872
FPUS53 KLSX 261349
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
848 AM CDT Sun Jul 26 2026

ILZ100-101-MOZ061-063-064-262100-
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
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Mostly sunny. Patchy fog this morning. Scattered showers
and thunderstorms this afternoon. Hot with highs in the mid 90s.
Southwest winds around 5 mph. Chance of rain 30 percent. Heat
index values up to 114.
.TONIGHT...Partly cloudy. Scattered showers and thunderstorms in
the evening. Humid with lows in the upper 70s. South winds around
5 mph. Chance of rain 30 percent. Heat index values up to
113 early in the evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
5 to 10 mph. Heat index values up to 114.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds 5 to 10 mph. Heat index values up to 112 early in
the evening.
.TUESDAY...Mostly sunny. Humid with highs in the lower 90s.
Northwest winds 5 to 10 mph. Heat index values up to 105.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat index
values up to 100 early in the evening.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper
80s. Lows in the upper 60s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a slight chance of showers after midnight. Lows in
the upper 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 20 percent.
.FRIDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the upper 60s.
Chance of rain 40 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Chance of rain 20 percent.

$$

MOZ042-049-050-262100-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
848 AM CDT Sun Jul 26 2026

...HEAT ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING...
...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Sunny, hot with highs in the upper 90s. Southwest winds
around 5 mph. Heat index values up to 113.
.TONIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Heat index values up to 110 early
in the evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
10 to 15 mph with gusts up to 25 mph. Heat index values up to
107.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
West winds 5 to 10 mph. Heat index values up to 107 early in the
evening.
.TUESDAY...Mostly sunny. Highs in the lower 90s. Northwest winds
around 5 mph. Heat index values up to 101.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat index
values up to 100 early in the evening.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows in the upper 60s.
.THURSDAY...Mostly sunny. A slight chance of showers in the
afternoon. Highs in the upper 80s. Chance of rain 20 percent.
.THURSDAY NIGHT...Mostly cloudy. A chance of showers with a
slight chance of thunderstorms after midnight. Lows in the upper
60s. Chance of rain 30 percent.
.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 mid 80s. Chance of rain
40 percent.
.FRIDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms in the evening, then mostly clear
with a slight chance of showers after midnight. Lows in the upper
60s. Chance of rain 30 percent.
.SATURDAY...Mostly sunny. Highs in the mid 80s.

$$

MOZ041-047-048-262100-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
848 AM CDT Sun Jul 26 2026

...HEAT ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING...
...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Sunny, hot with highs in the upper 90s. Southwest winds
around 5 mph. Heat index values up to 113.
.TONIGHT...Mostly clear. Humid with lows in the upper 70s. South
winds around 5 mph. Heat index values up to 111 early in the
evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
5 to 10 mph with gusts up to 20 mph. Heat index values up to 110.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds 5 to 10 mph. Heat index values up to 108 early in
the evening.
.TUESDAY...Mostly sunny. Highs in the mid 90s. Northwest winds
around 5 mph. Heat index values up to 103.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat index
values up to 100 early in the evening.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows in the upper 60s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 90s. Chance of
rain 20 percent.
.THURSDAY NIGHT...Mostly cloudy. A chance of showers with a
slight chance of thunderstorms after midnight. Lows around 70.
Chance of rain 30 percent.
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms in the evening, then mostly clear with a slight
chance of showers and thunderstorms after midnight. Lows in the
upper 60s. Chance of rain 30 percent.
.SATURDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-262100-
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
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Mostly sunny. Patchy fog this morning. Isolated showers
and thunderstorms this afternoon. Hot with highs in the upper
90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat
index values up to 114.
.TONIGHT...Partly cloudy. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Gusts up to 20 mph after midnight.
Heat index values up to 111 early in the evening.
.MONDAY...Sunny, hot with highs in the mid 90s. Southwest winds
10 to 15 mph with gusts up to 25 mph. Heat index values up to
109.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming
west after midnight. Heat index values up to 109 early in the
evening.
.TUESDAY...Mostly sunny. Highs in the lower 90s. North winds
around 5 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 70.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the upper 80s.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers.
A slight chance of thunderstorms after midnight. Lows in the
upper 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a chance of showers with a slight
chance of thunderstorms. Highs in the mid 80s. Chance of rain
40 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.

$$

ILZ069-070-074-262100-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Mostly sunny. Patchy fog this morning. Isolated showers
and thunderstorms this afternoon. Highs in the lower 90s.
Southeast winds around 5 mph, becoming southwest this afternoon.
Chance of rain 20 percent. Heat index values up to 113 this
afternoon.
.TONIGHT...Partly cloudy. Scattered showers and thunderstorms in
the evening. Humid with lows in the upper 70s. Southwest winds
around 5 mph. Chance of rain 30 percent. Heat index values up to
112 early in the evening.
.MONDAY...Sunny, hot with highs in the mid 90s. Southwest winds
5 to 10 mph. Heat index values up to 115.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds 5 to 10 mph. Heat index values up to 114 early in
the evening.
.TUESDAY...Mostly sunny. Humid with highs in the lower 90s.
Northwest winds 5 to 10 mph. Heat index values up to 105.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 60s. Chance of
rain 20 percent. Heat index values up to 100 early in the
evening.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper
80s. Lows in the mid 60s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.FRIDAY...Partly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 20 percent.
.FRIDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the upper 60s.
Chance of rain 40 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Chance of rain 20 percent.

$$

MOZ074-084-085-099-262100-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Mostly sunny. Patchy fog this morning. Isolated showers
and thunderstorms this afternoon. Hot with highs in the upper
90s. Light and variable winds, becoming west around 5 mph this
afternoon. Chance of rain 20 percent. Heat index values up to
111.
.TONIGHT...Partly cloudy. Humid with lows in the mid 70s. Light
and variable winds, becoming southwest around 5 mph after
midnight. Heat index values up to 108 early in the evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
5 to 10 mph. Heat index values up to 108.
.MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest
winds around 5 mph. Heat index values up to 105 early in the
evening.
.TUESDAY...Mostly sunny. Hot with highs in the mid 90s. Northwest
winds around 5 mph. Heat index values up to 106.
.TUESDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a slight chance of showers. Lows in the lower
70s. Chance of rain 20 percent. Heat index values up to 100 early
in the evening.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper
80s. Lows in the mid 60s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the upper 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 20 percent.
.FRIDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the mid 60s. Chance of
rain 40 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Chance of rain 20 percent.

$$

MOZ051-052-060-262100-
Montgomery MO-Lincoln MO-Warren MO-
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Mostly sunny. Patchy fog this morning. Isolated showers
and thunderstorms this afternoon. Hot with highs in the upper
90s. Southwest winds around 5 mph. Chance of rain 20 percent.
Heat index values up to 116.
.TONIGHT...Partly cloudy with isolated showers and thunderstorms
in the evening, then mostly clear after midnight. Humid with lows
in the upper 70s. Southwest winds around 5 mph. Chance of rain
20 percent. Heat index values up to 112 early in the evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
5 to 10 mph with gusts up to 20 mph. Heat index values up to 111.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Humid with lows in the upper 70s. West winds 5 to 10 mph.
Heat index values up to 110 early in the evening.
.TUESDAY...Mostly sunny. Humid with highs in the lower 90s.
Northwest winds around 5 mph. Heat index values up to 103.
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Heat index values
up to 100 early in the evening.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the upper 80s.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the upper 60s.
.FRIDAY...Partly sunny with a chance of showers with a slight
chance of thunderstorms. Highs in the mid 80s. Chance of rain
40 percent.
.FRIDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the mid 60s.
Chance of rain 30 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Chance of rain 20 percent.

$$

ILZ058-059-098-099-262100-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Mostly sunny. Patchy fog this morning. Scattered showers
and thunderstorms this afternoon. Hot with highs in the mid 90s.
South winds around 5 mph, becoming southwest around 5 mph this
afternoon. Chance of rain 30 percent. Heat index values up to
114.
.TONIGHT...Partly cloudy. Scattered showers and thunderstorms in
the evening. Humid with lows in the mid 70s. South winds around
5 mph. Chance of rain 30 percent. Heat index values up to
110 early in the evening.
.MONDAY...Sunny, hot with highs in the mid 90s. Southwest winds
5 to 10 mph. Heat index values up to 111.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Humid with lows in the mid 70s. Southwest winds 5 to
10 mph, becoming west after midnight. Heat index values up to
109 early in the evening.
.TUESDAY...Mostly sunny. Humid with highs around 90. North winds
5 to 10 mph. Heat index values up to 101.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper
80s. Lows in the mid 60s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a slight chance of showers after midnight. Lows in
the mid 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening, then a slight chance of
showers after midnight. Lows in the mid 60s. Chance of rain
30 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Chance of rain 20 percent.

$$

ILZ060-064-065-262100-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Partly sunny. Patchy fog this morning. Isolated showers
and thunderstorms this afternoon. Warmer with highs in the lower
90s. Southeast winds around 5 mph, becoming southwest around
5 mph this afternoon. Chance of rain 20 percent. Heat index
values up to 112 this afternoon.
.TONIGHT...Partly cloudy. Isolated showers and thunderstorms in
the evening. Humid with lows in the mid 70s. Southwest winds
around 5 mph. Chance of rain 20 percent. Heat index values up to
110 early in the evening.
.MONDAY...Sunny, hot with highs in the mid 90s. South winds 5 to
10 mph, becoming southwest with gusts up to 20 mph in the
afternoon. Heat index values up to 113.
.MONDAY NIGHT...Mostly clear. A slight chance of showers in the
evening. Humid with lows in the mid 70s. Southwest winds 5 to
10 mph, becoming west after midnight. Chance of rain 20 percent.
Heat index values up to 110 early in the evening.
.TUESDAY...Sunny with highs around 90. Northwest winds 5 to
10 mph. Heat index values up to 101.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 60s.
.WEDNESDAY...Sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT...Clear. Lows in the lower 60s.
.THURSDAY...Sunny. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s.
.FRIDAY...Partly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 20 percent.
.FRIDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the mid 60s.
Chance of rain 30 percent.
.SATURDAY...Sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 20 percent.

$$

ILZ079-MOZ075-262100-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Mostly sunny. Patchy fog this morning. Scattered showers
and thunderstorms this afternoon. Hot with highs in the mid 90s.
Southwest winds around 5 mph. Chance of rain 30 percent. Heat
index values up to 115.
.TONIGHT...Partly cloudy. Scattered showers and thunderstorms in
the evening. Humid with lows in the upper 70s. Southwest winds
around 5 mph. Chance of rain 30 percent. Heat index values up to
113 early in the evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
5 to 10 mph. Heat index values up to 113.
.MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest
winds 5 to 10 mph. Heat index values up to 112 early in the
evening.
.TUESDAY...Mostly sunny. Humid with highs in the mid 90s.
Northwest winds 5 to 10 mph. Heat index values up to 106.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the lower 70s. Chance of
rain 20 percent. Heat index values up to 100 early in the
evening.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper
80s. Lows in the mid 60s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a slight chance of showers after midnight. Lows in
the upper 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 20 percent.
.FRIDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the upper 60s.
Chance of rain 40 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Chance of rain 20 percent.

$$

MOZ059-062-072-073-262100-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Sunny. Isolated showers and thunderstorms this
afternoon. Hot with highs in the upper 90s. Southwest winds
around 5 mph. Chance of rain 20 percent. Heat index values up to
113.
.TONIGHT...Partly cloudy. Humid with lows in the mid 70s.
Southwest winds around 5 mph. Heat index values up to 110 early
in the evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
5 to 10 mph. Heat index values up to 109.
.MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest
winds around 5 mph. Heat index values up to 108 early in the
evening.
.TUESDAY...Mostly sunny. Highs in the mid 90s. Northwest winds
around 5 mph. Heat index values up to 103.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Heat index
values up to 100 early in the evening.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 90.
Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs around 90.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of
showers. Lows in the upper 60s.
.FRIDAY...Partly 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 mid 80s. Chance of rain
40 percent.
.FRIDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the mid 60s.
Chance of rain 40 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Chance of rain 20 percent.

$$

ILZ102-MOZ065-262100-
Monroe IL-Jefferson MO-
848 AM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

.TODAY...Mostly sunny. Patchy fog this morning. Scattered showers
and thunderstorms this afternoon. Hot with highs in the upper
90s. Southwest winds around 5 mph. Chance of rain 30 percent.
Heat index values up to 115.
.TONIGHT...Partly cloudy. Scattered showers and thunderstorms in
the evening. Humid with lows in the upper 70s. South winds around
5 mph. Chance of rain 30 percent. Heat index values up to
113 early in the evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
5 to 10 mph. Heat index values up to 113.
.MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest
winds around 5 mph. Heat index values up to 110 early in the
evening.
.TUESDAY...Mostly sunny. Humid with highs in the mid 90s.
Northwest winds around 5 mph. Heat index values up to 106.
.TUESDAY NIGHT...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 upper
80s. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs around 90.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a slight chance of showers after midnight. Lows in
the upper 60s. Chance of rain 20 percent.
.FRIDAY...Partly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 20 percent.
.FRIDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the upper 60s.
Chance of rain 40 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Chance of rain 20 percent.

$$