652
FPUS53 KLSX 241934
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
233 PM CDT Fri Jul 24 2026

ILZ100-101-MOZ061-063-064-250300-
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
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Cloudy with scattered showers. Near steady
temperature in the mid 70s. Southeast winds around 5 mph. Chance
of rain 50 percent.
.TONIGHT...Cloudy with scattered showers with isolated
thunderstorms. Lows in the upper 60s. Southeast winds around
5 mph. Chance of rain 50 percent.
.SATURDAY...Mostly cloudy with scattered showers with isolated
thunderstorms in the morning, then partly sunny with isolated
showers in the afternoon. Highs in the mid 80s. South winds
around 5 mph. Chance of rain 50 percent.
.SATURDAY NIGHT...Partly cloudy. Humid with lows in the lower
70s. Southeast winds around 5 mph in the evening, becoming light
and variable.
.SUNDAY...Mostly sunny. Humid with highs in the lower 90s.
Southwest winds around 5 mph. Heat index values up to 106.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index
values up to 105 early in the evening.
.MONDAY...Mostly sunny. Hot with highs in the upper 90s. Heat
index values up to 110.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 70s.
Highs in the mid 90s. Heat index values up to 110.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
lower 70s. Highs in the lower 90s. Heat index values up to 105.

$$

MOZ042-049-050-250300-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Cloudy with scattered showers. Near steady
temperature in the lower 70s. Southeast winds 5 to 10 mph. Chance
of rain 50 percent.
.TONIGHT...Cloudy with scattered showers with isolated
thunderstorms. Lows in the upper 60s. Southeast winds 5 to
10 mph. Chance of rain 50 percent.
.SATURDAY...Mostly cloudy with scattered showers with isolated
thunderstorms in the morning, then mostly sunny in the afternoon.
Warmer with highs in the upper 80s. South winds around 5 mph,
becoming west in the afternoon. Chance of rain 40 percent. Heat
index values up to 101 in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Humid with lows in the lower
70s. Southeast winds around 5 mph in the evening, becoming light
and variable. Heat index values up to 101 early in the evening.
.SUNDAY...Partly sunny in the morning, then clearing. Humid with
highs in the lower 90s. South winds around 5 mph. Heat index
values up to 109 in the afternoon.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Hot. Lows in
the mid 70s. Highs in the mid 90s. Heat index values up to 110.
.TUESDAY...Mostly sunny. Highs in the lower 90s. Heat index
values up to 105.
.TUESDAY NIGHT...Partly cloudy. 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.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the
lower 90s. Lows in the lower 70s.
.THURSDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

MOZ041-047-048-250300-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 1 PM SATURDAY TO 9 PM CDT
MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Cloudy with scattered showers. Highs in the mid
70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.
.TONIGHT...Cloudy with scattered showers with isolated
thunderstorms. Lows in the upper 60s. Southeast winds around
5 mph. Chance of rain 50 percent.
.SATURDAY...Mostly cloudy with scattered showers with isolated
thunderstorms in the morning, then mostly sunny in the afternoon.
Warmer with highs around 90. Southwest winds around 5 mph,
becoming west around 5 mph in the afternoon. Chance of rain
30 percent. Heat index values up to 104 in the afternoon.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Humid with lows in the mid 70s. Southeast winds
around 5 mph in the evening, becoming light and variable. Heat
index values up to 104 early in the evening.
.SUNDAY...Partly sunny in the morning, then clearing. Hot with
highs in the mid 90s. South winds around 5 mph. Heat index values
up to 113 in the afternoon.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Hot. Lows in
the upper 70s. Highs in the mid 90s. Heat index values up to 110.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs in the mid 90s.
Lows in the mid 70s. Heat index values up to 105.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. A 20 percent
chance of showers. Lows in the lower 70s. Highs in the upper 80s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-250300-
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
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Cloudy with scattered showers. Near steady
temperature in the mid 70s. South winds around 5 mph. Chance of
rain 50 percent.
.TONIGHT...Cloudy with scattered showers with isolated
thunderstorms. Lows in the upper 60s. Southeast winds around
5 mph. Chance of rain 50 percent.
.SATURDAY...Mostly cloudy with scattered showers with isolated
thunderstorms in the morning, then partly sunny in the afternoon.
Warmer with highs in the upper 80s. Southwest winds around 5 mph.
Chance of rain 40 percent.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Humid with lows in the lower 70s. South winds
around 5 mph in the evening, becoming light and variable.
.SUNDAY...Mostly sunny. Humid with highs in the lower 90s.
Southwest winds around 5 mph. Heat index values up to 107.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 70s. Heat index values up to 105 early in
the evening.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs in the mid 90s.
Lows in the mid 70s. Heat index values up to 110.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
70s. Highs in the lower 90s. Heat index values up to 100.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 70s.
.THURSDAY...Mostly sunny. Highs around 90.

$$

ILZ069-070-074-250300-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Numerous showers. Near steady temperature in
the upper 70s. Light and variable winds. Chance of rain
70 percent.
.TONIGHT...Cloudy with scattered showers with isolated
thunderstorms. Lows in the mid 60s. Light and variable winds.
Chance of rain 50 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
sunny. Scattered showers with isolated thunderstorms. Highs in
the lower 80s. South winds around 5 mph. Chance of rain
50 percent.
.SATURDAY NIGHT...Partly cloudy. Humid with lows around 70. Light
and variable winds.
.SUNDAY...Mostly sunny. Humid with highs in the lower 90s. Light
and variable winds. Heat index values up to 106.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Hot. Lows in the mid
70s. Highs in the mid 90s. Heat index values up to 115.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the upper 70s.
Highs in the mid 90s. Heat index values up to 110.
.TUESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 70s. Heat index values up to
105 early in the evening.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows around 70.
.THURSDAY...Mostly sunny. Highs around 90.

$$

MOZ074-084-085-099-250300-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Cloudy with numerous showers. Highs in the
upper 70s. Southeast winds around 5 mph. Chance of rain
70 percent.
.TONIGHT...Cloudy with isolated thunderstorms. Scattered showers
in the evening, then numerous showers after midnight. Lows in the
mid 60s. Southeast winds around 5 mph. Chance of rain 60 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
sunny. Scattered showers with isolated thunderstorms. Humid with
highs in the mid 80s. Southwest winds around 5 mph. Chance of
rain 50 percent.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Humid with lows in the lower 70s. Light and
variable winds.
.SUNDAY...Partly sunny in the morning, then clearing. Humid with
highs in the lower 90s. Light and variable winds. Heat index
values up to 106.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the
mid 70s. Highs in the mid 90s. Heat index values up to 105.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat index
values up to 105 early in the evening.
.WEDNESDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the lower 90s. Chance of rain 20 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 70.
Highs around 90.

$$

MOZ051-052-060-250300-
Montgomery MO-Lincoln MO-Warren MO-
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Cloudy with scattered showers. Highs in the
upper 70s. Southeast winds around 5 mph. Chance of rain
50 percent.
.TONIGHT...Cloudy with scattered showers with isolated
thunderstorms. Lows in the upper 60s. Southeast winds around
5 mph. Chance of rain 50 percent.
.SATURDAY...Mostly cloudy with scattered showers with isolated
thunderstorms in the morning, then partly sunny in the afternoon.
Warmer with highs in the upper 80s. South winds around 5 mph,
becoming west in the afternoon. Chance of rain 50 percent.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Humid with lows around 70. Light and variable
winds.
.SUNDAY...Partly sunny in the morning, then clearing. Humid with
highs in the lower 90s. Light and variable winds, becoming
southwest around 5 mph in the afternoon. Heat index values up to
107.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the
mid 70s. Highs in the mid 90s. Heat index values up to 110.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
lower 70s. Highs in the lower 90s. Heat index values up to 105.

$$

ILZ058-059-098-099-250300-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Cloudy with scattered showers. Highs in the
upper 70s. South winds around 5 mph. Chance of rain 50 percent.
.TONIGHT...Cloudy with scattered showers with isolated
thunderstorms. Lows in the mid 60s. South winds around 5 mph.
Chance of rain 50 percent.
.SATURDAY...Mostly cloudy with scattered showers with isolated
thunderstorms in the morning, then partly sunny in the afternoon.
Highs in the mid 80s. South winds around 5 mph. Chance of rain
50 percent.
.SATURDAY NIGHT...Partly cloudy. Humid with lows in the upper
60s. South winds around 5 mph in the evening, becoming light and
variable.
.SUNDAY...Mostly sunny. Humid with highs in the lower 90s.
Southwest winds around 5 mph. Heat index values up to 106.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the lower 70s. Heat index values up to 105 early
in the evening.
.MONDAY THROUGH TUESDAY...Mostly clear. Hot. Highs in the mid
90s. Lows in the mid 70s. Heat index values up to 110.
.TUESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 70s. Heat index values up to
100 early in the evening.
.WEDNESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the lower 90s. Chance of rain 20 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper
60s. Highs around 90.

$$

ILZ060-064-065-250300-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Numerous showers. Near steady temperature in
the mid 70s. Southwest winds around 5 mph. Chance of rain
70 percent.
.TONIGHT...Cloudy with scattered showers. Isolated thunderstorms
after midnight. Lows in the mid 60s. Southwest winds around 5 mph
in the evening, becoming light and variable. Chance of rain
40 percent.
.SATURDAY...Mostly cloudy with scattered showers with isolated
thunderstorms in the morning, then partly sunny in the afternoon.
Highs in the lower 80s. South winds around 5 mph. Chance of rain
40 percent.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds around 5 mph in the evening, becoming light and variable.
.SUNDAY...Mostly sunny. Humid with highs around 90. Light and
variable winds, becoming southwest around 5 mph in the afternoon.
Heat index values up to 103.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 70s.
Highs in the mid 90s. Heat index values up to 110.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows in the mid 70s.
Highs in the lower 90s. Heat index values up to 110.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows
around 70. Highs around 90. Heat index values up to 100.
.THURSDAY...Mostly sunny. Highs in the upper 80s.

$$

ILZ079-MOZ075-250300-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Numerous showers. Near steady temperature in
the mid 70s. East winds around 5 mph. Chance of rain 70 percent.
.TONIGHT...Cloudy with isolated thunderstorms. Scattered showers
in the evening, then numerous showers after midnight. Lows in the
mid 60s. Southeast winds around 5 mph. Chance of rain 60 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
sunny. Scattered showers with isolated thunderstorms. Humid with
highs in the mid 80s. South winds around 5 mph. Chance of rain
50 percent.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Humid with lows around 70. Southeast winds around
5 mph in the evening, becoming light and variable.
.SUNDAY...Partly sunny in the morning, then clearing. Humid with
highs in the lower 90s. Light and variable winds. Heat index
values up to 107.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index
values up to 110 early in the evening.
.MONDAY...Mostly sunny. Hot with highs in the upper 90s. Heat
index values up to 110.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Hot. Lows in the upper
70s. Highs in the mid 90s. Heat index values up to 110.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat index
values up to 105 early in the evening.
.WEDNESDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the lower 90s. Chance of rain 20 percent. Heat
index values up to 100.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows around 70.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 90s. Chance of
rain 20 percent.

$$

MOZ059-062-072-073-250300-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Numerous showers. Highs in the upper 70s.
Southeast winds around 5 mph. Chance of rain 70 percent.
.TONIGHT...Cloudy with isolated thunderstorms. Scattered showers
in the evening, then numerous showers after midnight. Lows in the
upper 60s. Southeast winds around 5 mph. Chance of rain
60 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
sunny. Isolated thunderstorms. Scattered showers, mainly in the
morning. Warmer with highs in the upper 80s. Southwest winds
around 5 mph, becoming west in the afternoon. Chance of rain
50 percent. Heat index values up to 101 in the afternoon.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Humid with lows in the lower 70s. Light and
variable winds. Heat index values up to 100 early in the evening.
.SUNDAY...Partly sunny in the morning, then clearing. Humid with
highs in the mid 90s. Light and variable winds. Heat index values
up to 108.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Hot. Lows in the
mid 70s. Highs in the mid 90s. Heat index values up to 110.
.TUESDAY NIGHT...Partly cloudy. 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.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the
lower 90s. Lows around 70.
.THURSDAY...Mostly sunny. A slight chance of showers in the
morning. Highs around 90. Chance of rain 20 percent.

$$

ILZ102-MOZ065-250300-
Monroe IL-Jefferson MO-
234 PM CDT Fri Jul 24 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...Numerous showers. Near steady temperature in
the mid 70s. Southeast winds around 5 mph. Chance of rain
70 percent.
.TONIGHT...Cloudy with isolated thunderstorms. Scattered showers
in the evening, then numerous showers after midnight. Lows in the
upper 60s. Southeast winds around 5 mph. Chance of rain
60 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
sunny. Scattered showers with isolated thunderstorms. Humid with
highs in the mid 80s. South winds around 5 mph, becoming west in
the afternoon. Chance of rain 50 percent.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Humid with lows around 70. Southeast winds around
5 mph in the evening, becoming light and variable.
.SUNDAY...Mostly sunny. Humid with highs in the lower 90s. Light
and variable winds. Heat index values up to 107.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index
values up to 105 early in the evening.
.MONDAY...Mostly sunny. Hot with highs in the upper 90s. Heat
index values up to 110.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Hot. Lows in the upper
70s. Highs in the mid 90s. Heat index values up to 110.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows in the
lower 70s. Highs in the lower 90s. Heat index values up to 105.

$$