793
FPUS53 KLSX 210123
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
822 PM CDT Mon Jul 20 2026

ILZ100-101-MOZ061-063-064-210900-
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
822 PM CDT Mon Jul 20 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.TONIGHT...Mostly clear this evening, then becoming mostly
cloudy. Lows in the upper 70s. Southwest winds 5 to 10 mph. Heat
index values up to 104 early this evening.
.TUESDAY...Partly sunny with a slight chance of showers and
thunderstorms in the morning, then sunny in the afternoon. Humid
with highs in the mid 90s. Northwest winds 10 to 15 mph. Chance
of rain 20 percent. Heat index values up to 107.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the upper 60s.
North winds 10 to 15 mph.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a slight chance of showers after midnight. Lows in
the lower 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny in the morning, then becoming mostly
cloudy. A chance of showers. A slight chance of thunderstorms in
the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of thunderstorms in the evening. A
slight chance of showers. Lows in the mid 60s. Chance of rain
20 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows in the
lower 70s. Highs in the mid 90s. Heat index values up to 105.
.MONDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index
values up to 105.

$$

MOZ049-050-210900-
Osage MO-Callaway MO-
Including the city of Fulton
822 PM CDT Mon Jul 20 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the upper 70s. South winds around 5 mph. Heat
index values up to 106 early this evening.
.TUESDAY...Mostly sunny. Highs in the lower 90s. Northwest winds
10 to 15 mph. Heat index values up to 102.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the upper 60s.
North winds 10 to 15 mph.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a chance of showers after midnight. Lows in the lower
60s. Chance of rain 30 percent.
.FRIDAY...Partly sunny with a chance of showers with a slight
chance of thunderstorms in the morning, then mostly cloudy with a
chance of showers and thunderstorms in the afternoon. Highs in
the upper 70s. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of thunderstorms. A slight chance
of showers in the evening, then a chance of showers after
midnight. Lows in the mid 60s. Chance of rain 50 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Warmer with highs in the upper 80s. Chance of rain
20 percent.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the lower
70s. Highs in the mid 90s. Heat index values up to 100.

$$

MOZ042-210900-
Audrain MO-
Including the city of Mexico
822 PM CDT Mon Jul 20 2026

.TONIGHT...Mostly clear this evening, then partly cloudy with a
slight chance of showers and thunderstorms after midnight. Lows
in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain
20 percent. Heat index values up to 106 early this evening.
.TUESDAY...Mostly sunny. A chance of thunderstorms with a slight
chance of showers in the morning. Highs around 90. Northwest
winds 10 to 15 mph. Chance of rain 30 percent.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the mid 60s.
North winds 10 to 15 mph.
.WEDNESDAY...Sunny. Highs in the lower 80s. North winds 5 to
10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a chance of showers after midnight. Lows in the lower
60s. Chance of rain 40 percent.
.FRIDAY...Partly sunny with a chance of showers with a slight
chance of thunderstorms in the morning, then mostly cloudy with a
chance of showers and thunderstorms in the afternoon. Highs in
the mid 70s. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of showers. A slight chance of
thunderstorms after midnight. Lows in the lower 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Not as cool with highs in the mid 80s. Chance of rain
20 percent.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows around
70. Highs in the lower 90s.
.MONDAY...Mostly sunny. Highs in the lower 90s.

$$

MOZ041-047-048-210900-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
822 PM CDT Mon Jul 20 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the upper 70s. South winds around 5 mph. Heat
index values up to 107 early this evening.
.TUESDAY...Mostly sunny. Highs in the mid 90s. Northwest winds
10 to 15 mph. Heat index values up to 102.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the upper 60s.
North winds 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the mid 80s. North winds 5 to
10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a chance of showers after midnight. Lows in the mid
60s. Chance of rain 40 percent.
.FRIDAY...Partly sunny with a chance of showers with a slight
chance of thunderstorms in the morning, then mostly cloudy with a
chance of showers and thunderstorms in the afternoon. Highs in
the upper 70s. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of thunderstorms. A slight chance
of showers. Lows in the upper 60s. Chance of rain 20 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Warmer with highs in the upper 80s. Chance of rain
20 percent.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the lower
70s. Highs in the mid 90s. Heat index values up to 105.

$$

ILZ095>097-MOZ018-019-026-027-034>036-210900-
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
822 PM CDT Mon Jul 20 2026

.TONIGHT...Mostly clear this evening, then becoming mostly
cloudy. A chance of thunderstorms. A chance of showers. Lows in
the upper 70s. Southwest winds 5 to 10 mph with gusts up to
20 mph. Chance of rain 50 percent. Heat index values up to
104 early this evening.
.TUESDAY...Mostly sunny. A chance of showers and thunderstorms in
the morning. Highs in the upper 80s. Northwest winds 10 to 15 mph
with gusts up to 25 mph. Chance of rain 50 percent.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the mid 60s.
North winds 10 to 15 mph with gusts up to 25 mph, diminishing to
around 5 mph after midnight.
.WEDNESDAY...Sunny. Highs in the lower 80s. North winds 5 to
10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 60. Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs around 80.
.THURSDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the lower 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny in the morning, then becoming mostly
cloudy. A slight chance of thunderstorms. A chance of showers.
Highs in the mid 70s. Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows in the mid 60s.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the upper 60s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs in the lower 90s.
Lows in the lower 70s. Heat index values up to 100.

$$

ILZ069-074-210900-
Clinton IL-Washington IL-
822 PM CDT Mon Jul 20 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the upper 70s. Southwest winds around 5 mph. Heat
index values up to 100 early this evening.
.TUESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Humid with highs in the lower 90s.
West winds 5 to 10 mph, becoming northwest with gusts up to
20 mph in the afternoon. Chance of rain 20 percent. Heat index
values up to 110.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the upper 60s.
North winds 5 to 10 mph. Heat index values up to 100 early in the
evening.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 60s.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A slight chance of
showers and thunderstorms. Highs around 80. Lows in the mid 60s.
Chance of rain 20 percent.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows in the
lower 70s. Highs in the lower 90s. Heat index values up to 105.
.MONDAY...Mostly sunny. Highs in the mid 90s. Heat index values
up to 105.

$$

ILZ070-210900-
Marion IL-
Including the cities of Centralia and Salem
822 PM CDT Mon Jul 20 2026

.TONIGHT...Mostly clear this evening, then becoming mostly
cloudy. Lows in the upper 70s. South winds 5 to 10 mph.
.TUESDAY...Partly sunny. A chance of showers and thunderstorms in
the morning. Humid with highs in the lower 90s. West winds 5 to
10 mph, becoming northwest with gusts up to 20 mph in the
afternoon. Chance of rain 30 percent. Heat index values up to
106.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. North winds
5 to 10 mph.
.WEDNESDAY...Sunny, cooler with highs around 80. North winds 5 to
10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 60. Northeast winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of
showers. Highs in the upper 70s. Lows in the mid 60s.
.SATURDAY...Mostly sunny. Highs in the mid 80s.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows around
70. Highs in the lower 90s. Heat index values up to 100.
.MONDAY...Mostly sunny. Highs in the lower 90s. Heat index values
up to 100.

$$

MOZ074-084-085-099-210900-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
822 PM CDT Mon Jul 20 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the mid 70s. Southwest winds around 5 mph. Heat
index values up to 102 early this evening.
.TUESDAY...Mostly sunny. Hot with highs in the mid 90s. West
winds 5 to 10 mph with gusts up to 20 mph. Heat index values up
to 112.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. North winds
5 to 10 mph. Heat index values up to 102 early in the evening.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the lower
80s. Lows in the lower 60s.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms. Highs around 80. Lows in the mid 60s. Chance of
rain 40 percent.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Chance of
rain 20 percent.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows around
70. Highs in the lower 90s. Heat index values up to 100.
.MONDAY...Mostly sunny. Highs in the mid 90s. Heat index values
up to 105.

$$

MOZ051-060-210900-
Montgomery MO-Warren MO-
822 PM CDT Mon Jul 20 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the upper 70s. Southwest winds around 5 mph. Heat
index values up to 104 early this evening.
.TUESDAY...Partly sunny with a slight chance of showers and
thunderstorms in the morning, then sunny in the afternoon. Highs
in the lower 90s. Northwest winds 10 to 15 mph. Chance of rain
20 percent. Heat index values up to 100.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the mid 60s.
North winds 10 to 15 mph, diminishing to around 5 mph after
midnight.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a slight chance of showers after midnight. Lows in
the lower 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a chance of showers with a slight
chance of thunderstorms in the morning, then mostly cloudy with a
chance of showers and thunderstorms in the afternoon. Highs in
the mid 70s. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of showers. A slight chance of
thunderstorms after midnight. Lows in the lower 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Warmer with highs in the upper 80s. Chance of rain
20 percent.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows around
70. Highs in the lower 90s. Heat index values up to 100.
.MONDAY...Mostly sunny. Highs in the mid 90s. Heat index values
up to 105.

$$

MOZ052-210900-
Lincoln MO-
822 PM CDT Mon Jul 20 2026

.TONIGHT...Mostly clear this evening, then mostly cloudy with a
slight chance of showers and thunderstorms after midnight. Lows
in the upper 70s. Southwest winds around 5 mph. Chance of rain
20 percent. Heat index values up to 104 early this evening.
.TUESDAY...Partly sunny with a chance of thunderstorms with a
slight chance of showers in the morning, then sunny in the
afternoon. Highs in the lower 90s. Northwest winds 5 to 10 mph.
Chance of rain 30 percent. Heat index values up to 101.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the upper 60s.
North winds 5 to 10 mph.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a slight chance of showers after midnight. Lows in
the lower 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a chance of showers in the morning,
then mostly cloudy with a chance of showers and thunderstorms in
the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of showers. Lows in the mid 60s. Highs in the mid 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 60s.
Highs in the mid 90s. Heat index values up to 100.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index
values up to 100 early in the evening.
.MONDAY...Mostly sunny. Highs in the mid 90s. Heat index values
up to 105.

$$

ILZ058-059-098-099-210900-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
822 PM CDT Mon Jul 20 2026

.TONIGHT...Mostly clear this evening, then mostly cloudy with a
chance of showers and thunderstorms after midnight. Not as cool
with lows in the upper 70s. Southwest winds 5 to 10 mph. Chance
of rain 50 percent. Heat index values up to 101 early this
evening.
.TUESDAY...Partly sunny with a chance of showers and
thunderstorms in the morning, then sunny in the afternoon. Highs
in the lower 90s. Northwest winds 10 to 15 mph. Chance of rain
40 percent.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the mid 60s.
North winds 10 to 15 mph.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 50s. Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs around 80.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows around 60. Chance of rain 20 percent.
.FRIDAY...Mostly sunny with a chance of showers in the morning,
then mostly cloudy with a slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 40 percent.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance
of showers. Lows in the lower 60s. Highs in the mid 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 60s.
Highs in the lower 90s. Heat index values up to 100.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index
values up to 100 early in the evening.
.MONDAY...Mostly sunny. Highs in the mid 90s. Heat index values
up to 100.

$$

ILZ060-064-065-210900-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
822 PM CDT Mon Jul 20 2026

.TONIGHT...Mostly clear this evening, then mostly cloudy with a
chance of showers and thunderstorms after midnight. Not as cool
with lows in the upper 70s. South winds 5 to 10 mph. Chance of
rain 40 percent.
.TUESDAY...Mostly sunny. A chance of showers and thunderstorms in
the morning. Humid with highs around 90. West winds 10 to 15 mph.
Chance of rain 40 percent. Heat index values up to 102.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the mid 60s.
Northwest winds 10 to 15 mph, becoming north around 5 mph after
midnight.
.WEDNESDAY...Sunny, cooler with highs in the upper 70s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 50s. Northeast winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Partly cloudy. Lows around 60.
.FRIDAY...Mostly sunny in the morning, then becoming mostly
cloudy. A 20 percent chance of showers. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 20 percent chance of showers. Lows in the lower
60s.
.SATURDAY...Mostly sunny. Highs in the mid 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 60s.
Highs in the lower 90s. Heat index values up to 100.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s.
.MONDAY...Mostly sunny. Highs in the lower 90s. Heat index values
up to 100.

$$

ILZ079-MOZ075-210900-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
822 PM CDT Mon Jul 20 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the upper 70s. South winds around 5 mph. Heat
index values up to 105 early this evening.
.TUESDAY...Mostly sunny. Hot with highs in the mid 90s. West
winds 5 to 10 mph, becoming northwest with gusts up to 20 mph in
the afternoon. Heat index values up to 111.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the upper 60s.
North winds 5 to 10 mph. Heat index values up to 103 early in the
evening.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 80.
Lows in the lower 60s.
.FRIDAY...Mostly sunny with a chance of showers in the morning,
then mostly cloudy with a slight chance of showers and
thunderstorms in the afternoon. Highs around 80. Chance of rain
30 percent.
.FRIDAY 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.
.SATURDAY...Mostly sunny. Highs in the mid 80s.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows around
70. Highs in the lower 90s. Heat index values up to 105.
.MONDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index
values up to 105.

$$

MOZ059-062-072-073-210900-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
822 PM CDT Mon Jul 20 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the upper 70s. Southwest winds around 5 mph. Heat
index values up to 106 early this evening.
.TUESDAY...Mostly sunny. Hot with highs in the mid 90s. West
winds 5 to 10 mph, becoming northwest with gusts up to 20 mph in
the afternoon. Heat index values up to 107.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the mid 60s.
North winds 5 to 10 mph.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds around 5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a slight chance of showers after midnight. Lows in
the lower 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a chance of showers in the morning,
then mostly cloudy with a chance of showers and thunderstorms in
the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of thunderstorms. A slight chance
of showers in the evening, then a chance of showers after
midnight. Lows in the mid 60s. Chance of rain 50 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows around
70. Highs in the lower 90s. Heat index values up to 100.
.MONDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index
values up to 105.

$$

ILZ102-MOZ065-210900-
Monroe IL-Jefferson MO-
822 PM CDT Mon Jul 20 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the upper 70s. South winds around 5 mph. Heat
index values up to 105 early this evening.
.TUESDAY...Mostly sunny. Hot with highs in the mid 90s. West
winds 5 to 10 mph, becoming northwest with gusts up to 20 mph in
the afternoon. Heat index values up to 109.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the upper 60s.
North winds 5 to 10 mph. Heat index values up to 100 early in the
evening.
.WEDNESDAY...Sunny, cooler with highs in the lower 80s. North
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a slight chance of showers after midnight. Lows in
the lower 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny in the morning, then becoming mostly
cloudy. A chance of showers. A chance of thunderstorms in the
afternoon. Highs around 80. Chance of rain 40 percent.
.FRIDAY 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.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 60s.
Highs in the mid 90s. Heat index values up to 105.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index
values up to 105 early in the evening.
.MONDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index
values up to 105.

$$