Zone Forecast Product
Issued by NWS Chicago, IL

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591
FPUS53 KLOT 200749
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
249 AM CDT Wed Aug 20 2025

ILZ104-202230-
Central Cook-
Including the cities of Chicago, Cicero, Oak Lawn, Oak Park,
and La Grange
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs in the
lower to mid 70s. North winds 10 to 15 mph, increasing to 15 to
20 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the mid to upper 60s. North
winds 15 to 20 mph, becoming northeast 10 to 15 mph after
midnight.
.THURSDAY...Mostly sunny. Highs in the upper 70s inland, but only
in the lower 70s near the lake. Northeast winds around 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid to upper 60s.
Northeast winds 10 to 15 mph, diminishing to 5 to 10 mph after
midnight.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower to mid 80s inland, but only in the
upper 70s near the lake. North winds around 5 mph, becoming
northeast in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs in the lower 80s.
.SATURDAY NIGHT...Clear. Lows in the upper 50s to lower 60s.
.SUNDAY...Mostly sunny. Highs in the lower to mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid to upper 50s.
.MONDAY...Partly cloudy. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the mid to upper 50s.
.TUESDAY...Partly cloudy. Highs in the lower to mid 70s.

$$

ILZ103-202230-
Northern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, and Northbrook
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Patchy fog
through mid morning. Highs in the mid 70s. North winds 10 to
15 mph, increasing to northeast 15 to 20 mph in the afternoon.
.TONIGHT...Clear. Lows in the mid 60s. North winds 15 to 20 mph,
becoming northeast 10 to 15 mph after midnight.
.THURSDAY...Sunny. Highs around 80 inland, but only in the lower
70s near the lake. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds 5 to 10 mph.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s inland, but only in the upper 70s
near the lake. North winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.SATURDAY...Mostly sunny. A chance of sprinkles in the morning.
Highs around 80.
.SATURDAY NIGHT...Clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s.
.MONDAY...Partly cloudy. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ105-202230-
Southern Cook-
Including the cities of Calumet City, Oak Forest, Lemont,
Orland Park, and Park Forest
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs in the
mid 70s. North winds 5 to 10 mph, increasing to northeast 10 to
15 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the mid 60s. Northeast winds
10 to 15 mph.
.THURSDAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs around 80. Northeast winds around 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds 5 to 10 mph.
.FRIDAY...Mostly sunny through mid afternoon, then becoming
partly cloudy. Highs in the lower 80s. North winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs in the lower 80s.
.SATURDAY NIGHT...Clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ006-202230-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs in the
mid 70s. Northeast winds 10 to 15 mph.
.TONIGHT...Clear. Lows in the lower 60s. Northeast winds 10 to
15 mph.
.THURSDAY...Sunny. Highs in the upper 70s inland, but only in the
mid 70s near the lake. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds 5 to 10 mph.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. Northwest winds around 5 mph,
becoming southwest in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of
precipitation 20 percent.
.SATURDAY...Mostly sunny. A chance of sprinkles in the morning.
Highs in the upper 70s.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Partly cloudy. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ005-202230-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Patchy fog
through mid morning. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows around 60. Northeast winds 5 to
10 mph.
.THURSDAY...Sunny. Highs around 80. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. West winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
precipitation 20 percent.
.SATURDAY...Mostly sunny. A chance of sprinkles in the morning.
Highs in the upper 70s.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs around 70.
.SUNDAY NIGHT...Mostly clear. Lows around 50.
.MONDAY...Partly cloudy. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs around 70.

$$

ILZ012-202230-
Kane-
Including the cities of Aurora and Elgin
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Patchy fog
through mid morning. Highs in the mid to upper 70s. Northeast
winds 5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds 5 to
10 mph.
.THURSDAY...Sunny. Highs around 80. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
around 5 mph.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. Northwest winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. Lows in the lower 60s.
.SATURDAY...Mostly sunny. A chance of sprinkles in the morning.
Highs in the upper 70s.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows around 50.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ013-202230-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Patchy fog
through mid morning. Highs in the mid 70s. Northeast winds 5 to
10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the mid 60s. North winds 10 to
15 mph, diminishing to 5 to 10 mph after midnight.
.THURSDAY...Mostly sunny. Highs around 80. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds 5 to 10 mph.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. Northwest winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. Lows in the mid 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs around 80.
.SATURDAY NIGHT...Clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Partly cloudy. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the mid 70s.

$$

ILZ020-202230-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy through mid morning then clearing. Patchy
fog through mid morning. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds 5 to
10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
around 5 mph.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. Light and variable winds,
becoming west around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. Lows in the mid 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs around 80.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ106-202230-
Northern Will-
Including the cities of Joliet, Bolingbrook, Plainfield,
and Mokena
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Patchy fog
through mid morning. Highs in the mid to upper 70s. North winds 5
to 10 mph, increasing to northeast 10 to 15 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds 10 to
15 mph, diminishing to 5 to 10 mph after midnight.
.THURSDAY...Mostly sunny. Highs around 80. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds 5 to 10 mph.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. Northwest winds around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs around 80.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ107-202230-
Southern Will-
Including the cities of Channahon, Manhattan, and Wilmington
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Patchy fog
through mid morning. Highs in the upper 70s. North winds 5 to
10 mph, increasing to northeast 10 to 15 mph in the afternoon.
.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows in the lower 60s. North winds 5 to
10 mph.
.THURSDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs around 80. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds around 5 mph.
.FRIDAY...Mostly sunny through mid afternoon, then becoming
partly cloudy. Highs in the lower 80s. Northwest winds around
5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs in the lower 80s.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ108-202230-
Eastern Will-
Including the cities of Crete, Peotone, and Beecher
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs in the
mid 70s. North winds 10 to 15 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. Northeast winds
5 to 10 mph.
.THURSDAY...Decreasing cloudiness. Highs around 80. Northeast
winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph, becoming northwest in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs around 80.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

INZ001-202230-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs in the
lower to mid 70s. North winds 10 to 15 mph.
.TONIGHT...Mostly clear. Lows around 60. North winds 10 to
15 mph, becoming northeast 5 to 10 mph after midnight.
.THURSDAY...Decreasing cloudiness. Highs in the upper 70s inland,
but only in the lower 70s near the lake. Northeast winds 5 to
10 mph, increasing to 10 to 15 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. East winds around
5 mph, becoming north in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs around 80.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

INZ002-202230-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy through mid morning then clearing. Highs
in the lower to mid 70s. North winds 5 to 10 mph, increasing to
10 to 15 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s. North winds 10 to
15 mph, becoming northeast 5 to 10 mph after midnight.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs around 80 inland, but only in the lower 70s
near the lake. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
5 to 10 mph, becoming east after midnight.
.FRIDAY...Mostly sunny. Highs in the lower 80s. East winds around
5 mph, becoming north in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs around 80.
.SATURDAY NIGHT...Clear. Lows in the upper 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ003-202230-
Winnebago-
Including the city of Rockford
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the upper 70s.
Northeast winds 5 to 10 mph.
.TONIGHT...Clear through the early overnight, then becoming
partly cloudy. Lows in the upper 50s. Northeast winds 5 to
10 mph.
.THURSDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. East winds
around 5 mph in the evening, becoming light and variable.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. West winds around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
precipitation 20 percent.
.SATURDAY...Mostly sunny. A chance of sprinkles in the morning.
Highs in the upper 70s.
.SATURDAY NIGHT...Clear. Lows in the lower 50s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Partly cloudy. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs around 70.

$$

ILZ004-202230-
Boone-
Including the city of Belvidere
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the upper 70s.
Northeast winds 5 to 10 mph.
.TONIGHT...Clear through the early overnight, then becoming
partly cloudy. Lows around 60. Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs around 80. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80. Light and variable winds, becoming west
around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
precipitation 20 percent.
.SATURDAY...Mostly sunny. A chance of sprinkles in the morning.
Highs in the upper 70s.
.SATURDAY NIGHT...Clear. Lows in the lower 50s.
.SUNDAY...Mostly sunny. Highs in the upper 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Partly cloudy. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs around 70.

$$

ILZ008-202230-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the lower 80s.
Northeast winds 5 to 10 mph.
.TONIGHT...Clear through the early overnight, then becoming
partly cloudy. Lows in the upper 50s. Northeast winds 5 to
10 mph.
.THURSDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds around 5 mph.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. Light and variable winds,
becoming west around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
precipitation 20 percent.
.SATURDAY...Mostly sunny. A chance of sprinkles in the morning.
Highs in the upper 70s.
.SATURDAY NIGHT...Clear. Lows in the lower 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Partly cloudy. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ011-202230-
De Kalb-
Including the cities of DeKalb and Sycamore
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy through mid morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the upper 70s.
Northeast winds 5 to 10 mph.
.TONIGHT...Clear through the early overnight, then becoming
partly cloudy. Lows around 60. Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. Northeast winds
around 5 mph.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. Light and variable winds,
becoming west around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
precipitation 20 percent.
.SATURDAY...Mostly sunny. A chance of sprinkles in the morning.
Highs in the upper 70s.
.SATURDAY NIGHT...Clear. Lows in the lower 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Partly cloudy. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ010-202230-
Lee-
Including the city of Dixon
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the lower 80s.
Northeast winds 5 to 10 mph.
.TONIGHT...Clear through the early overnight, then becoming
partly cloudy. Lows in the upper 50s. Northeast winds 5 to
10 mph.
.THURSDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. Northeast winds
around 5 mph.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. Light and variable winds,
becoming west around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
precipitation 20 percent.
.SATURDAY...Mostly sunny. A chance of sprinkles in the morning.
Highs in the upper 70s.
.SATURDAY NIGHT...Clear. Lows in the lower 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ019-202230-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy through mid morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the lower 80s.
Northeast winds 5 to 10 mph.
.TONIGHT...Clear through the early overnight, then becoming
partly cloudy. Lows around 60. Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds around 5 mph.
.FRIDAY...Mostly sunny through mid afternoon, then becoming
partly cloudy. Highs in the lower 80s. Light and variable winds.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs around 80.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ021-202230-
Grundy-
Including the cities of Morris, Coal City, and Minooka
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy through mid morning then clearing. Patchy
fog through mid morning. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows in the lower 60s. North winds 5 to
10 mph.
.THURSDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds around 5 mph.
.FRIDAY...Mostly sunny through mid afternoon, then becoming
partly cloudy. Highs in the lower 80s. Light and variable winds,
becoming northwest around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs in the lower 80s.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ032-202230-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy through mid morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the lower 80s.
Northeast winds 5 to 10 mph.
.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows in the lower 60s. North winds 5 to
10 mph.
.THURSDAY...Partly cloudy through mid morning, then becoming
mostly sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning,
then a slight chance of showers in the afternoon. Highs in the
lower 80s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the lower 70s.

$$

ILZ023-202230-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Patchy fog
through mid morning. Highs in the upper 70s. North winds 5 to
10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows around 60. North winds 5 to 10 mph.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs around 80. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows around 60. Northeast winds 5 to
10 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph, becoming northwest in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs in the lower 80s.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.

$$

ILZ039-202230-
Ford-
Including the cities of Paxton and Gibson City
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy through mid morning then clearing. Patchy
fog through mid morning. Highs in the lower 80s. North winds 5 to
10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows in the lower 60s. North winds 5 to
10 mph.
.THURSDAY...Partly cloudy. Highs in the lower 80s. Northeast
winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. North winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning,
then a slight chance of showers in the afternoon. Highs in the
lower 80s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the mid 70s.

$$

ILZ033-202230-
Iroquois-
Including the cities of Watseka and Gilman
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Patchy fog
through mid morning. Highs in the upper 70s. North winds 5 to
10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Clear in the evening, then becoming partly cloudy.
Lows around 60. North winds 5 to 10 mph.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows in the upper 50s. Northeast winds
around 5 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning,
then a slight chance of showers in the afternoon. Highs in the
lower 80s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the lower 70s.

$$

INZ010-202230-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning then clearing. Patchy fog
through mid morning. Highs in the upper 70s. North winds 5 to
10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows in the upper 50s. Northeast winds
5 to 10 mph.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows in the upper 50s. Northeast winds
5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. Light and
variable winds, becoming north around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning,
then a slight chance of showers in the afternoon. Highs in the
lower 80s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the lower 70s.

$$

INZ011-202230-
Jasper-
Including the cities of Rensselaer and DeMotte
249 AM CDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the upper 70s.
North winds 5 to 10 mph, increasing to 10 to 15 mph in the
afternoon.
.TONIGHT...Mostly clear. Lows in the upper 50s. Northeast winds
5 to 10 mph.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. Light and
variable winds, becoming north around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning.
Highs around 80.
.SATURDAY NIGHT...Clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the lower 70s.

$$

INZ019-202230-
Benton-
Including the cities of Fowler and Oxford
349 AM EDT Wed Aug 20 2025

.TODAY...Mostly cloudy in the morning, then becoming partly
cloudy. Patchy fog through mid morning. Highs in the upper 70s.
North winds 10 to 15 mph.
.TONIGHT...Mostly clear through the early overnight, then
becoming partly cloudy. Lows in the upper 50s. North winds 5 to
10 mph.
.THURSDAY...Partly cloudy through mid afternoon, then becoming
mostly sunny. Highs in the lower 80s. Northeast winds around
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Partly cloudy. A chance of sprinkles in the morning,
then a slight chance of showers in the afternoon. Highs in the
lower 80s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
.SUNDAY NIGHT...Clear. Lows in the lower 50s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear. Lows in the upper 40s.
.TUESDAY...Partly cloudy. Highs in the lower 70s.

$$