Zone Forecast Product
Issued by NWS St. Louis, MO

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FPUS53 KLSX 220843
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
342 AM CDT Sat Aug 22 2026

ILZ100-101-MOZ061-063-064-221600-
Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO-
Saint Louis City MO-
Including the cities of Alton, Edwardsville, Belleville, Cahokia,
Saint Charles, and Saint Louis
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows in the mid 60s. North winds 5 to
10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.TUESDAY...Mostly sunny. Highs in the mid 80s.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 20 percent.
.WEDNESDAY...Partly sunny. Highs in the upper 80s.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 60s. Chance of
rain 20 percent.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows in the upper 60s.
.FRIDAY...Mostly sunny. Highs in the upper 80s.

$$

MOZ042-049-050-221600-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. North winds around 5 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. North winds
around 5 mph.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. East winds
around 5 mph. Chance of rain 20 percent.
.MONDAY...Partly sunny. Highs in the upper 70s. Southeast winds
5 to 10 mph.
.MONDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the lower
80s. Lows in the mid 60s.
.WEDNESDAY...Partly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in
the mid 60s. Highs in the mid 80s.
.FRIDAY...Mostly sunny. Highs in the mid 80s.

$$

MOZ041-047-048-221600-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. North winds around 5 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds
around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph, becoming north in the afternoon.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. East winds
around 5 mph. Chance of rain 20 percent.
.MONDAY...Partly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Southeast
winds 5 to 10 mph. Chance of rain 20 percent.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the
upper 60s. Highs in the upper 80s.
.WEDNESDAY...Partly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the upper 80s. Chance of
rain 20 percent.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in
the upper 60s. Highs in the upper 80s.
.FRIDAY...Mostly sunny. Highs in the upper 80s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-221600-
Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO-
Monroe MO-Ralls MO-Pike MO-
Including the cities of Quincy, Mount Sterling, Pittsfield,
Hannibal, and Bowling Green
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds 5 to
10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. North winds
around 5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the
mid 60s. Highs in the lower 80s.
.WEDNESDAY...Partly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Chance of
rain 20 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly
clear with a slight chance of showers and thunderstorms after
midnight. Lows in the mid 60s. Chance of rain 20 percent.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the mid 60s.
.FRIDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ069-070-074-221600-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. Northwest winds
around 5 mph in the evening, becoming light and variable.
.SUNDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. North winds around
5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 60s.
Highs in the lower 80s.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 60s. Chance of rain
20 percent.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 80s.
Lows in the mid 60s.

$$

MOZ074-084-085-099-221600-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. Northwest winds around
5 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds
around 5 mph in the evening, becoming light and variable.
.SUNDAY...Sunny. Highs in the mid 80s. Light and variable winds,
becoming north around 5 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a slight chance of showers and thunderstorms after midnight.
Lows in the lower 60s. Northeast winds around 5 mph in the
evening, becoming light and variable. Chance of rain 20 percent.
.MONDAY...Partly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 80s. Southeast
winds around 5 mph. Chance of rain 20 percent.
.MONDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the lower 60s. Chance of rain 20 percent.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the mid 80s.
Lows in the mid 60s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance
of showers and thunderstorms. Highs in the mid 80s. Lows in the
mid 60s. Chance of rain 20 percent.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 80s.
Lows in the mid 60s.

$$

MOZ051-052-060-221600-
Montgomery MO-Lincoln MO-Warren MO-
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. North winds around 5 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds
around 5 mph in the evening, becoming light and variable.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Light and
variable winds, becoming north around 5 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows around 60. Light and variable
winds.
.MONDAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
rain 20 percent.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the lower
80s. Lows in the mid 60s.
.WEDNESDAY...Partly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 60s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the mid 60s.
.FRIDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ058-059-098-099-221600-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows around 60. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs around 80. Southeast winds around
5 mph.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 60s.
Highs in the mid 80s.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.WEDNESDAY...Partly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Lows in the mid 60s. Chance of rain 20 percent.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 80s.
Lows in the mid 60s.

$$

ILZ060-064-065-221600-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows around 60. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 50s. North winds around 5 mph in the
evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs around 80. Southeast winds around
5 mph.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 60s.
Highs in the lower 80s.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Chance of
rain 20 percent.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 60s. Chance of rain
20 percent.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the mid 80s.
Lows in the mid 60s.

$$

ILZ079-MOZ075-221600-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph, becoming north this afternoon.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds
around 5 mph in the evening, becoming light and variable.
.SUNDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers and thunderstorms after midnight.
Lows in the lower 60s. Chance of rain 20 percent.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs in the mid 80s.
Lows in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Lows in the mid 60s. Chance of rain 20 percent.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 80s.
Lows in the mid 60s.

$$

MOZ059-062-072-073-221600-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. Northwest winds around
5 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds
around 5 mph in the evening, becoming light and variable.
.SUNDAY...Mostly sunny. Highs in the lower 80s. North winds
around 5 mph.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 60s. Northeast
winds around 5 mph in the evening, becoming light and variable.
Chance of rain 20 percent.
.MONDAY...Partly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 80s. Southeast
winds around 5 mph. Chance of rain 20 percent.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of showers and thunderstorms. Lows
in the mid 60s. Chance of rain 20 percent.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the mid 80s.
Lows in the mid 60s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance
of showers and thunderstorms. Highs in the mid 80s. Lows in the
mid 60s. Chance of rain 20 percent.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 80s.
Lows in the mid 60s.

$$

ILZ102-MOZ065-221600-
Monroe IL-Jefferson MO-
342 AM CDT Sat Aug 22 2026

.TODAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. North winds
around 5 mph in the evening, becoming light and variable.
.SUNDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 5 mph.
.MONDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers and thunderstorms after midnight.
Lows in the mid 60s. Chance of rain 20 percent.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the mid 80s.
Lows in the mid 60s.
.WEDNESDAY...Partly sunny. Highs in the upper 80s.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 60s. Chance of rain
20 percent.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows in the mid 60s.
.FRIDAY...Mostly sunny. Highs in the upper 80s.

$$