Zone Forecast Product
Issued by NWS St. Louis, MO

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FPUS53 KLSX 101828
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
128 PM CDT Mon Aug 10 2026

ILZ100-101-MOZ061-063-064-110200-
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
128 PM CDT Mon Aug 10 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Partly sunny. Highs in the mid 90s. Southwest
winds 5 to 10 mph. Heat index values up to 107.
.TONIGHT...Partly cloudy. Lows in the upper 70s. South winds 5 to
10 mph. Heat index values up to 106 early in the evening.
.TUESDAY...Sunny, hot with highs in the upper 90s. Southwest
winds 5 to 10 mph. Heat index values up to 110.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 70s. Southwest
winds around 5 mph. Heat index values up to 111 early in the
evening.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Humid with highs in the lower 90s. Southwest winds
5 to 10 mph. Chance of rain 20 percent. Heat index values up to
106.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 70s. Highs in the
lower 90s. Chance of rain 20 percent. Heat index values up to
110.
.THURSDAY NIGHT...Partly cloudy with a slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight. Lows in the mid 70s. Chance of
rain 50 percent. Heat index values up to 105 early in the
evening.
.FRIDAY...Partly sunny. Highs in the lower 90s. Heat index values
up to 105 in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index
values up to 105 early in the evening.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Hot. Highs in the
mid 90s. Lows in the mid 70s. Heat index values up to 105.
.SUNDAY...Mostly sunny. Highs in the mid 90s. Heat index values
up to 105.

$$

MOZ049-050-110200-
Osage MO-Callaway MO-
Including the city of Fulton
128 PM CDT Mon Aug 10 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Mostly sunny. Highs in the mid 90s. Southwest
winds 5 to 10 mph with gusts up to 20 mph. Heat index values up
to 105.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows in
the upper 70s. South winds 5 to 10 mph. Heat index values up to
103 early in the evening.
.TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds
5 to 10 mph with gusts up to 20 mph. Heat index values up to 106.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 70s. Southwest winds around 5 mph. Heat index
values up to 107 early in the evening.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the mid 90s. Southwest
winds 5 to 10 mph with gusts up to 20 mph. Chance of rain
20 percent. Heat index values up to 105.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the mid
70s. Highs in the mid 90s. Heat index values up to 105.
.THURSDAY NIGHT...Partly cloudy with a slight chance of
thunderstorms. A chance of showers, mainly in the evening. Lows
in the mid 70s. Chance of rain 40 percent. Heat index values up
to 105 early in the evening.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 90s.
Lows in the mid 70s. Heat index values up to 105.
.SATURDAY...Sunny, hot with highs in the mid 90s.
.SATURDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 70s. Chance of rain
20 percent. Heat index values up to 100 early in the evening.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 90s. Chance of
rain 20 percent.

$$

MOZ042-110200-
Audrain MO-
Including the city of Mexico
128 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Partly sunny. Highs in the lower 90s. Southwest
winds 10 to 15 mph with gusts up to 25 mph. Heat index values up
to 102.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows in
the upper 70s. South winds 5 to 10 mph. Heat index values up to
101 early in the evening.
.TUESDAY...Sunny. Highs in the lower 90s. Southwest winds 10 to
15 mph with gusts up to 25 mph. Heat index values up to 103.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index
values up to 104 early in the evening.
.WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms
in the morning. Humid with highs around 90. Southwest winds 5 to
10 mph with gusts up to 20 mph. Chance of rain 40 percent. Heat
index values up to 100.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 70s. Highs in the
upper 80s. Chance of rain 20 percent. Heat index values up to
100.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A chance of showers and thunderstorms. Lows in the
lower 70s. Chance of rain 50 percent.
.FRIDAY...Mostly sunny. Highs in the upper 80s.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 70s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. Highs in the lower 90s. Heat index
values up to 100.
.SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a slight chance of showers and thunderstorms after midnight.
Lows in the lower 70s. Chance of rain 20 percent. Heat index
values up to 100 early in the evening.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.

$$

MOZ041-047-048-110200-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
128 PM CDT Mon Aug 10 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Mostly sunny. Hot with highs in the mid 90s.
Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index
values up to 106.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows in
the upper 70s. South winds 5 to 10 mph. Heat index values up to
105 early in the evening.
.TUESDAY...Sunny, hot with highs in the upper 90s. Southwest
winds 5 to 10 mph with gusts up to 25 mph. Heat index values up
to 107.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 70s. Southwest winds around 5 mph. Heat index
values up to 108 early in the evening.
.WEDNESDAY...Sunny. A slight chance of showers and thunderstorms
in the morning. Hot with highs in the mid 90s. Southwest winds
5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
Heat index values up to 107.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Hot. Lows in the
upper 70s. Highs in the mid 90s. Heat index values up to 105.
.THURSDAY NIGHT...Partly cloudy with a slight chance of
thunderstorms. A chance of showers, mainly in the evening. Lows
in the mid 70s. Chance of rain 40 percent. Heat index values up
to 105 early in the evening.
.FRIDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index
values up to 105 in the afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear
with a slight chance of showers and thunderstorms after midnight.
Lows in the mid 70s. Chance of rain 20 percent. Heat index values
up to 100 early in the evening.
.SATURDAY...Sunny, hot with highs in the mid 90s. Heat index
values up to 105 in the afternoon.
.SATURDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 70s. Chance of rain
20 percent. Heat index values up to 105 early in the evening.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 90s. Chance of
rain 20 percent. Heat index values up to 100.

$$

ILZ095>097-MOZ018-019-026-027-034>036-110200-
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
128 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Partly sunny. Near steady temperature around
90. Southwest winds 5 to 10 mph with gusts up to 25 mph. Heat
index values up to 103.
.TONIGHT...Partly cloudy in the evening, then clearing. Humid
with lows in the upper 70s. South winds 5 to 10 mph. Heat index
values up to 103 early in the evening.
.TUESDAY...Mostly sunny. Humid with highs in the lower 90s.
Southwest winds 5 to 10 mph with gusts up to 25 mph. Heat index
values up to 107 in the afternoon.
.TUESDAY NIGHT...Partly cloudy with isolated showers and
thunderstorms. Humid with lows in the mid 70s. Southwest winds
5 to 10 mph. Chance of rain 20 percent. Heat index values up to
108 early in the evening.
.WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms
in the morning. Humid with highs around 90. Southwest winds 5 to
10 mph with gusts up to 20 mph. Chance of rain 50 percent. Heat
index values up to 102.
.WEDNESDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms after midnight. Lows in the lower 70s. Chance of
rain 50 percent. Heat index values up to 100 early in the
evening.
.THURSDAY...Partly sunny. Showers and thunderstorms likely,
mainly in the morning. Highs in the upper 80s. Chance of rain
70 percent. Heat index values up to 100 in the afternoon.
.THURSDAY NIGHT...Mostly cloudy with a chance of thunderstorms.
Showers likely. Lows around 70. Chance of rain 70 percent.
.FRIDAY...Mostly cloudy with a slight chance of showers and
thunderstorms in the morning, then mostly sunny in the afternoon.
Highs in the upper 80s. Chance of rain 20 percent.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy with a
slight chance of showers and thunderstorms. Lows in the lower
70s. Highs in the lower 90s. Chance of rain 20 percent. Heat
index values up to 100.
.SUNDAY...Mostly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs in the upper 80s.
Chance of rain 30 percent.

$$

ILZ069-074-110200-
Clinton IL-Washington IL-
128 PM CDT Mon Aug 10 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Mostly sunny. Highs in the mid 90s. Southwest
winds 5 to 10 mph. Heat index values up to 107.
.TONIGHT...Partly cloudy. Humid with lows in the upper 70s. South
winds 5 to 10 mph. Heat index values up to 105 early in the
evening.
.TUESDAY...Sunny, hot with highs in the upper 90s. Southwest
winds 5 to 10 mph. Heat index values up to 111.
.TUESDAY NIGHT...Partly cloudy. Isolated showers and
thunderstorms after midnight. Humid with lows in the mid 70s.
Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat
index values up to 110 early in the evening.
.WEDNESDAY...Mostly sunny. Isolated showers and thunderstorms in
the morning, then a chance of showers and thunderstorms in the
afternoon. Humid with highs in the mid 90s. Southwest winds
around 5 mph. Chance of rain 40 percent. Heat index values up to
109.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 70s. Highs in the
lower 90s. Chance of rain 20 percent. Heat index values up to
110.
.THURSDAY 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 70s. Chance of rain 40 percent. Heat
index values up to 105 early in the evening.
.FRIDAY...Partly sunny. Highs in the lower 90s. Heat index values
up to 105 in the afternoon.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 70s. Heat index values up to 105 early in the evening.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Hot. Highs in the
mid 90s. Lows in the mid 70s. Heat index values up to 105.
.SUNDAY...Mostly sunny. Highs in the mid 90s. Heat index values
up to 105.

$$

ILZ070-110200-
Marion IL-
Including the cities of Centralia and Salem
128 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Mostly sunny. Near steady temperature in the
lower 90s. Southwest winds around 10 mph. Heat index values up to
106.
.TONIGHT...Partly cloudy. Lows in the upper 70s. South winds 5 to
10 mph. Heat index values up to 102 early in the evening.
.TUESDAY...Mostly sunny. Hot with highs in the mid 90s. Southwest
winds 5 to 10 mph. Heat index values up to 107.
.TUESDAY NIGHT...Partly cloudy. Isolated showers and
thunderstorms in the evening. Lows in the mid 70s. Southwest
winds around 5 mph. Chance of rain 20 percent. Heat index values
up to 106 early in the evening.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Humid with highs in the lower
90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat
index values up to 103.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 70s. Highs in the
lower 90s. Chance of rain 20 percent. Heat index values up to
105.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A chance of showers. A chance of thunderstorms,
mainly in the evening. Lows in the lower 70s. Chance of rain
50 percent. Heat index values up to 100 early in the evening.
.FRIDAY...Partly sunny. A slight chance of showers and
thunderstorms in the morning. Highs around 90. Chance of rain
20 percent. Heat index values up to 100.
.FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear
with a slight chance of showers and thunderstorms after midnight.
Lows in the lower 70s. Chance of rain 20 percent.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows in the mid 70s. Heat index values up to 105.
.SUNDAY...Mostly sunny. Highs in the lower 90s. Heat index values
up to 100.

$$

MOZ074-084-085-099-110200-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
128 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Sunny. Near steady temperature in the lower
90s. South winds 5 to 10 mph. Heat index values up to 103.
.TONIGHT...Mostly clear. Lows in the mid 70s. South winds around
5 mph. Gusts up to 20 mph after midnight. Heat index values up to
102 early in the evening.
.TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds
5 to 10 mph. Heat index values up to 104.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Southwest
winds around 5 mph. Heat index values up to 103 early in the
evening.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Hot with highs in the mid 90s. Southwest winds
around 5 mph. Chance of rain 20 percent. Heat index values up to
104.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Hot. Lows in the
mid 70s. Highs in the mid 90s. Heat index values up to 105.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Hot. Lows in the mid
70s. Highs in the mid 90s. Heat index values up to 105.

$$

MOZ051-060-110200-
Montgomery MO-Warren MO-
128 PM CDT Mon Aug 10 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Partly sunny. Highs in the lower 90s. Southwest
winds 5 to 10 mph with gusts up to 20 mph. Heat index values up
to 104.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows in
the mid 70s. South winds 5 to 10 mph. Heat index values up to
103 early in the evening.
.TUESDAY...Sunny with highs in the mid 90s. Southwest winds 5 to
10 mph with gusts up to 20 mph. Heat index values up to 108.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 70s. Southwest winds around 5 mph. Heat index
values up to 109 early in the evening.
.WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms
in the morning. Humid with highs in the lower 90s. Southwest
winds 5 to 10 mph. Chance of rain 40 percent. Heat index values
up to 105.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 70s. Highs in the
lower 90s. Chance of rain 20 percent. Heat index values up to
105.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. A
chance of thunderstorms, mainly in the evening. Lows in the lower
70s. Chance of rain 40 percent. Heat index values up to 105 early
in the evening.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 90s.
Lows in the lower 70s. Heat index values up to 105.
.SATURDAY...Sunny. Highs in the mid 90s. Heat index values up to
105 in the afternoon.
.SATURDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 70s. Chance of
rain 20 percent. Heat index values up to 105 early in the
evening.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the lower 90s. Chance of
rain 20 percent. Heat index values up to 100.

$$

MOZ052-110200-
Lincoln MO-
128 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Partly sunny. Highs in the lower 90s. South
winds 5 to 10 mph with gusts up to 20 mph. Heat index values up
to 104.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows in
the upper 70s. South winds around 5 mph. Heat index values up to
104 early in the evening.
.TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds
5 to 10 mph with gusts up to 20 mph. Heat index values up to 108.
.TUESDAY NIGHT...Partly cloudy. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Heat index values up to 110 early
in the evening.
.WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms,
mainly in the morning. Humid with highs in the lower 90s.
Southwest winds around 5 mph. Chance of rain 40 percent. Heat
index values up to 105.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 70s. Highs in the
lower 90s. Chance of rain 20 percent. Heat index values up to
105.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A chance of showers. A chance of thunderstorms,
mainly in the evening. Lows in the lower 70s. Chance of rain
50 percent. Heat index values up to 105 early in the evening.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Highs in the lower 90s.
Lows in the lower 70s. Heat index values up to 105.
.SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a slight chance of showers and thunderstorms after midnight.
Lows in the mid 70s. Chance of rain 20 percent. Heat index values
up to 105 early in the evening.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
Heat index values up to 100.

$$

ILZ058-059-098-099-110200-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
128 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Mostly sunny. Highs in the lower 90s. Southwest
winds 5 to 10 mph. Heat index values up to 103.
.TONIGHT...Partly cloudy. Lows in the mid 70s. South winds 5 to
10 mph. Heat index values up to 101 early in the evening.
.TUESDAY...Sunny with highs in the mid 90s. Southwest winds 5 to
10 mph. Heat index values up to 108.
.TUESDAY NIGHT...Partly cloudy. Isolated showers and
thunderstorms in the evening. Humid with lows in the mid 70s.
Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat
index values up to 107 early in the evening.
.WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms,
mainly in the morning. Humid with highs in the lower 90s.
Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat
index values up to 102.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. Chance of rain
20 percent. Heat index values up to 100 early in the evening.
.THURSDAY...Partly sunny. A chance of showers and thunderstorms,
mainly in the morning. Highs around 90. Chance of rain
40 percent. Heat index values up to 100.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A chance of showers and thunderstorms. Lows around
70. Chance of rain 50 percent. Heat index values up to 100 early
in the evening.
.FRIDAY...Partly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the upper 80s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 70s. Chance of
rain 20 percent.
.SATURDAY...Sunny. Highs in the lower 90s. Heat index values up
to 105.
.SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy
with a slight chance of showers and thunderstorms after midnight.
Lows in the lower 70s. Chance of rain 20 percent. Heat index
values up to 100 early in the evening.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Chance of rain 20 percent.

$$

ILZ060-064-065-110200-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
128 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Mostly sunny. Highs in the lower 90s. Southwest
winds 5 to 10 mph. Heat index values up to 103.
.TONIGHT...Partly cloudy. Humid with lows in the mid 70s. South
winds 5 to 10 mph. Heat index values up to 102 early in the
evening.
.TUESDAY...Mostly sunny. Humid with highs in the lower 90s.
Southwest winds 5 to 10 mph. Heat index values up to 108.
.TUESDAY NIGHT...Partly cloudy. Scattered showers and
thunderstorms, mainly in the evening. Humid with lows in the mid
70s. Southwest winds around 5 mph. Chance of rain 50 percent.
Heat index values up to 107 early in the evening.
.WEDNESDAY...Mostly sunny with a chance of showers and
thunderstorms. Humid with highs in the lower 90s. Southwest winds
5 to 10 mph. Chance of rain 50 percent. Heat index values up to
104.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. Chance of rain
20 percent. Heat index values up to 100 early in the evening.
.THURSDAY...Partly sunny. A chance of showers and thunderstorms,
mainly in the morning. Highs in the upper 80s. Chance of rain
40 percent. Heat index values up to 105.
.THURSDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight. Lows in the lower 70s. Chance of rain 70 percent. Heat
index values up to 100 early in the evening.
.FRIDAY...Partly 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 in the lower 70s. Chance of
rain 20 percent.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows in the lower 70s. Heat index values up to 105.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs around 90. Chance of rain 20 percent. Heat
index values up to 100.

$$

ILZ079-110200-
Randolph IL-
Including the cities of Chester and Sparta
128 PM CDT Mon Aug 10 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Sunny, hot. Near steady temperature in the mid
90s. South winds around 5 mph. Heat index values up to 107.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Humid with lows in the mid 70s. South winds 5 to 10 mph.
Heat index values up to 106 early in the evening.
.TUESDAY...Sunny, hot with highs in the upper 90s. Southwest
winds around 5 mph. Heat index values up to 111.
.TUESDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s.
South winds 5 to 10 mph. Heat index values up to 110 early in the
evening.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Hot with highs in the mid 90s.
Southwest winds around 5 mph. Chance of rain 20 percent. Heat
index values up to 109.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index
values up to 105 early in the evening.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Hot with highs in the mid 90s.
Chance of rain 20 percent. Heat index values up to 110 in the
afternoon.
.THURSDAY NIGHT...Partly cloudy with a slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight. Lows in the mid 70s. Chance of
rain 30 percent. Heat index values up to 105 early in the
evening.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the mid 90s.
Lows in the lower 70s. Heat index values up to 105.
.SATURDAY THROUGH SUNDAY...Mostly clear. Hot. Highs in the upper
90s. Lows in the mid 70s. Heat index values up to 105.

$$

MOZ075-110200-
Sainte Genevieve MO-
128 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Sunny, hot. Near steady temperature in the mid
90s. South winds 5 to 10 mph. Heat index values up to 106.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index
values up to 105 early in the evening.
.TUESDAY...Sunny, hot with highs in the upper 90s. Southwest
winds 5 to 10 mph. Heat index values up to 108.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Southwest
winds 5 to 10 mph. Heat index values up to 107 early in the
evening.
.WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms,
mainly in the morning. Hot with highs in the mid 90s. Southwest
winds 5 to 10 mph. Chance of rain 30 percent. Heat index values
up to 107.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index
values up to 105 early in the evening.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A slight chance of
showers and thunderstorms. Hot. Highs in the mid 90s. Lows in the
mid 70s. Chance of rain 20 percent. Heat index values up to 110.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Hot. Highs in the mid
90s. Lows in the mid 70s. Heat index values up to 105.
.SATURDAY THROUGH SUNDAY...Mostly clear. Hot. Highs in the upper
90s. Lows in the mid 70s. Heat index values up to 105.

$$

MOZ059-062-110200-
Gasconade MO-Franklin MO-
Including the cities of Washington, Union, and Sullivan
128 PM CDT Mon Aug 10 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Mostly sunny. Hot with highs in the mid 90s.
Southwest winds 5 to 10 mph. Heat index values up to 105.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
clear. Lows in the upper 70s. South winds around 5 mph. Heat
index values up to 104 early in the evening.
.TUESDAY...Sunny, hot with highs in the upper 90s. Southwest
winds 5 to 10 mph. Heat index values up to 107.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 70s. Southwest winds around 5 mph. Heat index
values up to 109 early in the evening.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Humid with highs in the mid 90s. Southwest winds
around 5 mph. Chance of rain 20 percent. Heat index values up to
106.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Hot. Lows in the
mid 70s. Highs in the mid 90s. Heat index values up to 105.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 70s. Chance of rain
20 percent. Heat index values up to 105 early in the evening.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the mid 90s.
Lows in the mid 70s. Heat index values up to 105.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Hot. Highs in the
mid 90s. Lows in the mid 70s. Heat index values up to 105.
.SUNDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index
values up to 105.

$$

MOZ072-073-110200-
Crawford MO-Washington MO-
128 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Sunny. Near steady temperature in the lower
90s. South winds 5 to 10 mph. Heat index values up to 104.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
clear. Lows in the upper 70s. South winds around 5 mph. Gusts up
to 20 mph after midnight. Heat index values up to 102 early in
the evening.
.TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds
5 to 10 mph. Heat index values up to 105.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 70s. Southwest winds around
5 mph. Heat index values up to 104 early in the evening.
.WEDNESDAY...Sunny. A chance of showers and thunderstorms, mainly
in the morning. Hot with highs in the mid 90s. Southwest winds
5 to 10 mph. Chance of rain 30 percent. Heat index values up to
103.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Hot. Lows in the
mid 70s. Highs in the mid 90s. Heat index values up to 105.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 70s. Chance of rain
20 percent. Heat index values up to 100 early in the evening.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Hot. Highs in the mid
90s. Lows in the mid 70s. Heat index values up to 105.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Hot. Highs in the
mid 90s. Lows in the mid 70s. Heat index values up to 105.
.SUNDAY...Mostly sunny. Hot with highs in the mid 90s.

$$

ILZ102-MOZ065-110200-
Monroe IL-Jefferson MO-
128 PM CDT Mon Aug 10 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.THIS AFTERNOON...Mostly sunny. Hot. Near steady temperature in
the mid 90s. Southwest winds around 5 mph. Heat index values up
to 106.
.TONIGHT...Partly cloudy. Lows in the upper 70s. South winds 5 to
10 mph. Heat index values up to 106 early in the evening.
.TUESDAY...Sunny, hot with highs in the upper 90s. Southwest
winds 5 to 10 mph. Heat index values up to 110.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 70s. Southwest winds around
5 mph. Heat index values up to 110 early in the evening.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Hot with highs in the mid 90s. Southwest winds
around 5 mph. Chance of rain 20 percent. Heat index values up to
107.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index
values up to 105 early in the evening.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Hot with highs in the mid 90s.
Chance of rain 20 percent. Heat index values up to 110.
.THURSDAY NIGHT...Partly cloudy with a slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight. Lows in the mid 70s. Chance of
rain 30 percent. Heat index values up to 105 early in the
evening.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the mid 90s.
Lows in the mid 70s. Heat index values up to 105.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Hot. Highs in the
upper 90s. Lows in the mid 70s. Heat index values up to 110.
.SUNDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index
values up to 105.

$$