Zone Forecast Product
Issued by NWS St. Louis, MO

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FPUS53 KLSX 182239
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
538 PM CDT Sat Jul 18 2026

ILZ100-101-MOZ061-063-064-190600-
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
538 PM CDT Sat Jul 18 2026

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

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. A slight chance of showers and thunderstorms. Lows in the
mid 70s. West winds 5 to 10 mph. Chance of rain 20 percent. Heat
index values up to 101 early this evening.
.SUNDAY...Mostly sunny. Thunderstorms likely with a chance of
showers in the afternoon. Humid with highs around 90. Northeast
winds around 5 mph. Chance of rain 70 percent.
.SUNDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the lower 70s. East winds
around 5 mph in the evening, becoming light and variable. Chance
of rain 40 percent.
.MONDAY...Mostly sunny. Humid with highs in the lower 90s. South
winds around 5 mph. Heat index values up to 104.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Humid with lows in the upper 70s. South winds around
5 mph. Heat index values up to 104 early in the evening.
.TUESDAY...Sunny with a slight chance of showers and
thunderstorms. Hot with highs in the mid 90s. Chance of rain
20 percent. Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 70.
Highs in the mid 80s. Heat index values up to 100.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.FRIDAY...Partly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs in the mid 80s.
Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. Highs around 90.

$$

MOZ049-050-190600-
Osage MO-Callaway MO-
Including the city of Fulton
538 PM CDT Sat Jul 18 2026

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

.TONIGHT...Mostly clear with a slight chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Lows in the lower 70s. West winds 5 to 10 mph. Chance of rain
20 percent.
.SUNDAY...Mostly sunny. Showers and thunderstorms likely in the
afternoon. Humid with highs in the lower 90s. West winds around
5 mph, becoming north in the afternoon. Chance of rain
60 percent. Heat index values up to 101.
.SUNDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Humid with lows in the lower 70s.
East winds around 5 mph in the evening, becoming light and
variable. Chance of rain 40 percent.
.MONDAY...Sunny with highs in the lower 90s. Southwest winds
around 5 mph. Heat index values up to 104.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Heat index values up to 104 early
in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the mid 90s.
Lows in the upper 60s. Heat index values up to 105.
.WEDNESDAY...Sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 80s. Chance of
rain 20 percent.
.THURSDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
40 percent.
.FRIDAY...Mostly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs in the mid 80s.
Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. Highs around 90.

$$

MOZ042-190600-
Audrain MO-
Including the city of Mexico
538 PM CDT Sat Jul 18 2026

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. A slight chance of showers and thunderstorms. Lows in the
lower 70s. West winds 5 to 10 mph. Chance of rain 20 percent.
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Humid with highs in the upper 80s. Northeast winds
around 5 mph. Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Lows around 70. Southeast winds
around 5 mph. Chance of rain 30 percent.
.MONDAY...Sunny with highs in the lower 90s. South winds around
5 mph. Heat index values up to 101.
.MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Southwest
winds 5 to 10 mph. Heat index values up to 101 early in the
evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows in the mid 60s.
.WEDNESDAY...Sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 80s. Chance of
rain 20 percent.
.THURSDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
40 percent.
.FRIDAY...Partly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs in the lower 80s.
Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. Highs in the upper 80s.

$$

MOZ041-047-048-190600-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
538 PM CDT Sat Jul 18 2026

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

.TONIGHT...Mostly clear with a slight chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Lows in the mid 70s. West winds around 5 mph. Chance of rain
20 percent.
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Humid with highs in the lower 90s. Light and
variable winds, becoming north around 5 mph in the afternoon.
Chance of rain 50 percent. Heat index values up to 103.
.SUNDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Humid with lows in the mid 70s.
East winds around 5 mph in the evening, becoming light and
variable. Chance of rain 30 percent.
.MONDAY...Sunny, hot with highs in the mid 90s. Southwest winds
around 5 mph. Heat index values up to 106.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Heat index values up to 106 early
in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the upper 60s. Heat index values up to 105.
.WEDNESDAY...Sunny. Highs in the upper 80s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 80s. Chance of
rain 20 percent.
.THURSDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 50 percent.
.FRIDAY...Mostly sunny. A chance of showers with a slight chance
of thunderstorms in the morning. Highs in the upper 80s. Chance
of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows around 70. Chance of rain
20 percent.
.SATURDAY...Mostly sunny. Highs in the lower 90s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-190600-
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
538 PM CDT Sat Jul 18 2026

.TONIGHT...Partly cloudy with a slight chance of showers. A
chance of thunderstorms, mainly this evening. Lows in the lower
70s. West winds 5 to 10 mph, becoming north after midnight.
Chance of rain 30 percent.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Northeast
winds around 5 mph. Chance of rain 20 percent.
.SUNDAY NIGHT...Partly cloudy. Lows around 70. East winds around
5 mph.
.MONDAY...Mostly sunny. Humid with highs in the lower 90s. South
winds around 5 mph. Heat index values up to 103.
.MONDAY NIGHT...Mostly clear. A chance of showers and
thunderstorms after midnight. Humid with lows in the upper 70s.
Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat
index values up to 103 early in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows in the upper 60s.
.WEDNESDAY...Sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A slight chance of
showers and thunderstorms. Highs in the lower 80s. Lows in the
mid 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny. A chance of showers and thunderstorms,
mainly in the morning. Highs in the mid 80s. Chance of rain
50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers and thunderstorms after midnight.
Lows in the upper 60s. Chance of rain 20 percent.
.SATURDAY...Mostly sunny. Highs in the upper 80s.

$$

ILZ069-074-190600-
Clinton IL-Washington IL-
538 PM CDT Sat Jul 18 2026

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

.TONIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 70s. West winds around 5 mph this
evening, becoming light and variable. Chance of rain 20 percent.
Heat index values up to 100 early this evening.
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Humid with highs in the upper 80s. North winds
around 5 mph. Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy. Lows around 70. Northeast winds
around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Humid with highs in the lower 90s. Light
and variable winds. Heat index values up to 103.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Humid with lows in the mid 70s. South winds around 5 mph.
Heat index values up to 102 early in the evening.
.TUESDAY...Sunny with a slight chance of showers and
thunderstorms. Hot with highs in the mid 90s. Chance of rain
20 percent. Heat index values up to 110.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the mid 80s. Heat index values up to 105.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 60s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the lower
80s. Lows in the mid 60s.
.FRIDAY...Mostly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs in the lower 80s.
Chance of rain 40 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers and thunderstorms after midnight.
Lows in the upper 60s. Chance of rain 20 percent.
.SATURDAY...Mostly sunny. Highs in the upper 80s.

$$

ILZ070-190600-
Marion IL-
Including the cities of Centralia and Salem
538 PM CDT Sat Jul 18 2026

.TONIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the lower 70s. West winds 5 to 10 mph this
evening, becoming light and variable. Chance of rain 20 percent.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Northeast
winds around 5 mph. Chance of rain 20 percent.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Patchy smoke in the evening. Lows in the upper 60s. East
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs around 90. Light and variable
winds.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Humid with lows in the mid 70s. South winds around 5 mph.
.TUESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the lower 80s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower
60s. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 60s.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 80s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. Highs in the upper 80s.

$$

MOZ074-084-085-099-190600-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
538 PM CDT Sat Jul 18 2026

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

.TONIGHT...Partly cloudy with a chance of showers and
thunderstorms this evening, then mostly clear after midnight.
Lows in the lower 70s. West winds around 5 mph this evening,
becoming light and variable. Chance of rain 40 percent.
.SUNDAY...Mostly sunny. Showers and thunderstorms likely in the
afternoon. Humid with highs around 90. Northwest winds around
5 mph. Chance of rain 70 percent. Heat index values up to 102.
.SUNDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Humid with lows in the lower 70s.
Light and variable winds. Chance of rain 40 percent.
.MONDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Humid with highs in the lower 90s. Light and
variable winds, becoming southwest around 5 mph in the afternoon.
Chance of rain 30 percent. Heat index values up to 103.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds around 5 mph. Heat index values up to 102 early
in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the upper 60s. Heat index values up to 105.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.FRIDAY...Mostly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs in the lower 80s.
Chance of rain 50 percent.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the upper 60s. Highs in the
upper 80s. Chance of rain 20 percent.

$$

MOZ051-060-190600-
Montgomery MO-Warren MO-
538 PM CDT Sat Jul 18 2026

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

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. A slight chance of showers and thunderstorms. Lows in the
lower 70s. West winds around 5 mph this evening, becoming light
and variable. Chance of rain 20 percent.
.SUNDAY...Mostly sunny. Showers and thunderstorms likely in the
afternoon. Humid with highs around 90. Light and variable winds,
becoming northeast around 5 mph in the afternoon. Chance of rain
60 percent. Heat index values up to 101.
.SUNDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Humid with lows around 70. East
winds around 5 mph in the evening, becoming light and variable.
Chance of rain 40 percent.
.MONDAY...Sunny with highs in the lower 90s. Light and variable
winds, becoming southwest around 5 mph in the afternoon. Heat
index values up to 105.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds around 5 mph. Heat index values up to 105 early
in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the mid 90s.
Lows in the mid 60s. Heat index values up to 100.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
30 percent.
.FRIDAY...Partly sunny. A chance of showers and thunderstorms,
mainly in the morning. Highs in the mid 80s. Chance of rain
50 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. Highs around 90.

$$

MOZ052-190600-
Lincoln MO-
538 PM CDT Sat Jul 18 2026

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. A slight chance of showers and thunderstorms. Lows in the
lower 70s. West winds around 5 mph this evening, becoming light
and variable. Chance of rain 20 percent. Heat index values up to
100 early this evening.
.SUNDAY...Mostly sunny. Showers and thunderstorms likely in the
afternoon. Humid with highs in the upper 80s. Northeast winds
around 5 mph. Chance of rain 60 percent.
.SUNDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the lower 70s. East winds
around 5 mph in the evening, becoming light and variable. Chance
of rain 40 percent.
.MONDAY...Sunny with highs in the lower 90s. South winds around
5 mph. Heat index values up to 105.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Heat index values up to 105 early
in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows in the upper 60s. Heat index values up to 105.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.FRIDAY...Partly sunny. A chance of showers and thunderstorms,
mainly in the morning. Highs in the mid 80s. Chance of rain
50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of showers and thunderstorms after midnight.
Lows in the upper 60s. Chance of rain 20 percent.
.SATURDAY...Mostly sunny. Highs around 90.

$$

ILZ058-059-098-099-190600-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
538 PM CDT Sat Jul 18 2026

.TONIGHT...Partly cloudy. A chance of showers and thunderstorms,
mainly this evening. Lows in the lower 70s. West winds 5 to
10 mph, becoming north after midnight. Chance of rain 40 percent.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Northeast
winds around 5 mph. Chance of rain 20 percent.
.SUNDAY NIGHT...Patchy smoke in the evening. Partly cloudy. Lows
in the upper 60s. East winds around 5 mph.
.MONDAY...Mostly sunny. Highs in the lower 90s. South winds
around 5 mph. Heat index values up to 102.
.MONDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Humid with lows in the mid 70s.
South winds 5 to 10 mph. Chance of rain 20 percent. Heat index
values up to 101 early in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows in the upper 60s. Heat index values up to 100.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the lower 60s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the lower
80s. Lows in the lower 60s.
.FRIDAY...Partly sunny. A chance of showers and thunderstorms,
mainly in the morning. Highs in the mid 80s. Chance of rain
40 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.

$$

ILZ060-064-065-190600-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
538 PM CDT Sat Jul 18 2026

.TONIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. West winds around 5 mph,
becoming north after midnight. Chance of rain 40 percent.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Northeast
winds around 5 mph. Chance of rain 20 percent.
.SUNDAY NIGHT...Partly cloudy. Patchy smoke. Lows in the upper
60s. East winds around 5 mph in the evening, becoming light and
variable.
.MONDAY...Mostly sunny. Highs around 90. South winds around
5 mph.
.MONDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 70s. South winds
around 5 mph. Chance of rain 20 percent.
.TUESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
60s. Highs in the lower 80s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the lower
60s. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 80s. Chance of
rain 20 percent.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 60s.
Highs in the upper 80s.

$$

ILZ079-MOZ075-190600-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
538 PM CDT Sat Jul 18 2026

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

.TONIGHT...Partly cloudy. A slight chance of showers and
thunderstorms this evening. Lows in the lower 70s. West winds
around 5 mph. Chance of rain 20 percent. Heat index values up to
102 early this evening.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. Humid with highs around 90. Northwest
winds around 5 mph. Chance of rain 70 percent. Heat index values
up to 103.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Humid with lows in the lower 70s. East winds around 5 mph in the
evening, becoming light and variable. Chance of rain 40 percent.
.MONDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Humid with highs in the lower
90s. South winds around 5 mph. Chance of rain 20 percent. Heat
index values up to 105.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Humid with lows in the mid 70s. South winds around 5 mph.
Heat index values up to 104 early in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the upper 60s. Heat index values up to 110.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the mid 60s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the lower
80s. Lows in the mid 60s.
.FRIDAY...Mostly sunny with a chance of showers. A slight chance
of thunderstorms in the morning, then a chance of thunderstorms
in the afternoon. Highs in the lower 80s. Chance of rain
50 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. Highs around 90.

$$

MOZ059-062-072-073-190600-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
538 PM CDT Sat Jul 18 2026

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

.TONIGHT...Mostly clear with a slight chance of showers and
thunderstorms this evening, then partly cloudy after midnight.
Lows in the lower 70s. West winds around 5 mph this evening,
becoming light and variable. Chance of rain 20 percent.
.SUNDAY...Mostly sunny. Showers and thunderstorms likely in the
afternoon. Humid with highs around 90. Northwest winds around
5 mph. Chance of rain 70 percent. Heat index values up to 100.
.SUNDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Humid with lows in the lower 70s.
Light and variable winds. Chance of rain 40 percent.
.MONDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Humid with highs in the lower 90s. Light and
variable winds, becoming west around 5 mph in the afternoon.
Chance of rain 20 percent. Heat index values up to 104.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Light and variable winds, becoming southwest around 5 mph after
midnight. Heat index values up to 103 early in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the upper 60s. Heat index values up to 105.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.FRIDAY...Mostly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs in the mid 80s.
Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. Highs around 90.

$$

ILZ102-MOZ065-190600-
Monroe IL-Jefferson MO-
538 PM CDT Sat Jul 18 2026

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

.TONIGHT...Mostly clear this evening, then partly cloudy with a
slight chance of showers and thunderstorms after midnight. Lows
in the lower 70s. West winds around 5 mph. Chance of rain
20 percent. Heat index values up to 100 early this evening.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. Humid with highs around 90. Northwest
winds around 5 mph, becoming north in the afternoon. Chance of
rain 70 percent. Heat index values up to 102.
.SUNDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Humid with lows in the lower 70s.
East winds around 5 mph in the evening, becoming light and
variable. Chance of rain 40 percent.
.MONDAY...Mostly sunny. Humid with highs in the lower 90s. Light
and variable winds. Heat index values up to 106.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds around 5 mph. Heat index values up to 105 early
in the evening.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Hot. Highs in the mid
90s. Lows in the upper 60s. Heat index values up to 105.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.FRIDAY...Partly sunny. A chance of showers with a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 50 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the upper 60s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. Highs in the lower 90s.

$$