346
FPUS53 KLSX 260548
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
1247 AM CDT Sun Jul 26 2026

ILZ100-101-MOZ061-063-064-261300-
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
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Partly cloudy. Near steady temperature in the
mid 70s. South winds around 5 mph.
.SUNDAY...Partly sunny. A chance of showers and thunderstorms,
mainly in the morning. Humid with highs in the mid 90s. Southwest
winds around 5 mph. Chance of rain 30 percent. Heat index values
up to 108.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Chance of rain 20 percent. 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 112.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds 5 to 10 mph. Heat index values up to 111 early in
the evening.
.TUESDAY...Sunny. Highs in the lower 90s. Heat index values up to
105.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
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. A slight chance of showers and
thunderstorms 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 upper 80s.
Chance of rain 20 percent.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows around 70. Highs in the upper
80s. Chance of rain 20 percent.

$$

MOZ042-049-050-261300-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Partly cloudy. Lows in the mid 70s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms in
the morning. Hot with highs in the mid 90s. West winds around
5 mph. Chance of rain 30 percent. Heat index values up to 110.
.SUNDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds around 5 mph. Heat index values up to 109 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
107.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds 5 to 10 mph. Heat index values up to 106 early in
the evening.
.TUESDAY...Sunny. Highs in the lower 90s. Heat index values up to
100.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the lower 70s. Chance of rain 20 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 90.
Lows in the upper 60s.
.THURSDAY...Mostly sunny. Highs in the upper 80s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the upper 60s. Highs in the
upper 80s. Chance of rain 20 percent.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms in the evening, then mostly clear with a chance of
showers and thunderstorms after midnight. Lows in the upper 60s.
Chance of rain 30 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

MOZ041-047-048-261300-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Partly cloudy. Lows in the mid 70s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Hot with highs in the upper 90s.
West winds around 5 mph. Chance of rain 20 percent. Heat index
values up to 112.
.SUNDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest 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 in the afternoon.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds 5 to 10 mph. Heat index values up to 109 early in
the evening.
.TUESDAY...Sunny. Highs in the mid 90s. Heat index values up to
105.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers 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...Mostly clear. Highs in the lower
90s. Lows around 70.
.THURSDAY...Mostly sunny. Highs in the lower 90s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the lower 70s. Chance of
rain 20 percent.
.FRIDAY...Mostly sunny with a slight chance of thunderstorms. A
chance of showers, mainly in the morning. Highs around 90. Chance
of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. A slight chance of showers and thunderstorms. Lows
around 70. Chance of rain 20 percent.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the morning. Highs in the upper 80s. Chance of
rain 20 percent.

$$

ILZ095>097-MOZ018-019-026-027-034>036-261300-
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
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Mostly cloudy. Near steady temperature in the
mid 70s. South winds around 5 mph.
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms in
the morning. Hot with highs in the mid 90s. Southwest winds
around 5 mph. Chance of rain 50 percent. Heat index values up to
109.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Gusts up to 20 mph after midnight.
Chance of rain 20 percent. Heat index values up to 109 early in
the evening.
.MONDAY...Mostly 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.
West winds 5 to 10 mph. Heat index values up to 108 early in the
evening.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the lower
90s. Lows around 70.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows in the upper 60s.
.THURSDAY...Mostly sunny. Highs in the upper 80s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the upper 60s. Highs in the
upper 80s. Chance of rain 20 percent.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A slight chance of showers and thunderstorms. Lows in the
upper 60s. Chance of rain 20 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

ILZ069-070-074-261300-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Mostly cloudy. Near steady temperature in the
mid 70s. Light and variable winds.
.SUNDAY...Mostly cloudy with a chance of showers and
thunderstorms in the morning, then mostly sunny with a slight
chance of showers and thunderstorms in the afternoon. Humid with
highs in the lower 90s. Light and variable winds. Chance of rain
30 percent. Heat index values up to 106.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Humid with lows in the mid 70s.
Light and variable winds, becoming south around 5 mph after
midnight. Chance of rain 20 percent. Heat index values up to
106 early in the evening.
.MONDAY...Mostly sunny. Hot with highs in the mid 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...Sunny. Highs in the lower 90s. Heat index values up to
105.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 60s. 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. Lows in the upper 60s.
.FRIDAY THROUGH SATURDAY...Partly cloudy with a slight chance of
showers and thunderstorms. Highs in the upper 80s. Lows in the
upper 60s. Chance of rain 20 percent.

$$

MOZ074-084-085-099-261300-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Partly cloudy. Lows in the lower 70s. Light
and variable winds.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Hot with highs in the mid 90s. Light and variable
winds. Chance of rain 20 percent. Heat index values up to 108.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming 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 106 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...Sunny, hot with 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 100 early in the evening.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 90. Lows
in the upper 60s.
.THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy with a slight
chance of showers and thunderstorms. Lows in the upper 60s. Highs
in the upper 80s. Chance of rain 20 percent.

$$

MOZ051-052-060-261300-
Montgomery MO-Lincoln MO-Warren MO-
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Partly cloudy. Lows in the mid 70s. South
winds around 5 mph.
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms in
the morning. Hot with highs in the mid 90s. West winds around
5 mph. Chance of rain 30 percent. Heat index values up to 109.
.SUNDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds around 5 mph. Heat index values up to 109 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 mid 70s.
Southwest winds 5 to 10 mph. Heat index values up to 107 early in
the evening.
.TUESDAY...Sunny. Highs in the lower 90s. Heat index values up to
100.
.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 upper 60s.
.THURSDAY...Mostly sunny. Highs in the upper 80s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the upper 60s. Highs in the
upper 80s. Chance of rain 20 percent.
.FRIDAY NIGHT...Mostly clear with a slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight. Lows in the upper 60s. Chance
of rain 30 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the upper 80s. Chance of rain 20 percent.

$$

ILZ058-059-098-099-261300-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Mostly cloudy. Near steady temperature in the
mid 70s. South winds around 5 mph.
.SUNDAY...Partly 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 107.
.SUNDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Humid with lows in the mid 70s.
Southwest winds around 5 mph. Chance of rain 20 percent. Heat
index values up to 108 early in the evening.
.MONDAY...Mostly sunny. Hot with highs in the mid 90s. Southwest
winds 5 to 10 mph. Heat index values up to 110.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds 5 to 10 mph. Heat index values up to 108 early in
the evening.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 80s.
Lows in the upper 60s. Heat index values up to 100.
.THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy with a slight
chance of showers and thunderstorms. Lows in the upper 60s. Highs
in the upper 80s. Chance of rain 20 percent.

$$

ILZ060-064-065-261300-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Mostly cloudy. Near steady temperature in the
lower 70s. Southeast winds around 5 mph.
.SUNDAY...Mostly cloudy with a chance of showers and
thunderstorms in the morning, then mostly sunny with a slight
chance of showers and thunderstorms in the afternoon. Warmer 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 105.
.SUNDAY NIGHT...Partly cloudy in the evening, then mostly clear
with a slight chance of showers and thunderstorms after midnight.
Humid with lows in the mid 70s. South winds around 5 mph. Chance
of rain 20 percent. Heat index values up to 105 early in the
evening.
.MONDAY...Mostly sunny. Humid with highs in the mid 90s.
Southwest winds 5 to 10 mph. Heat index values up to 111.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds 5 to 10 mph. Heat index values up to 109 early in
the evening.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 80s.
Lows in the mid 60s. Heat index values up to 100.
.THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy with a slight
chance of showers and thunderstorms. Lows in the upper 60s. Highs
in the mid 80s. Chance of rain 20 percent.

$$

ILZ079-MOZ075-261300-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Partly cloudy. Lows in the lower 70s.
Southwest winds around 5 mph.
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms,
mainly in the morning. Humid with highs in the mid 90s. Light and
variable winds. Chance of rain 30 percent. Heat index values up
to 109.
.SUNDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s.
South winds around 5 mph. Heat index values up to 108 early in
the evening.
.MONDAY...Mostly sunny. Hot with highs in the upper 90s.
Southwest winds 5 to 10 mph. Heat index values up to 113.
.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...Sunny. Highs in the mid 90s. Heat index values up to
105.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. 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. Lows in the upper 60s.
.FRIDAY THROUGH SATURDAY...Partly cloudy with a slight chance of
showers and thunderstorms. Highs in the upper 80s. Lows in the
upper 60s. Chance of rain 20 percent.

$$

MOZ059-062-072-073-261300-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Partly cloudy. Lows in the mid 70s. Southwest
winds around 5 mph.
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Hot with highs in the mid 90s. West winds around
5 mph. Chance of rain 20 percent. Heat index values up to 109.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming 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 109 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 106 early in the
evening.
.TUESDAY...Sunny. Highs in the mid 90s. Heat index values up to
100.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 70s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 90. Lows
in the upper 60s.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the upper 60s. Highs in the
upper 80s. Chance of rain 20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. A
slight chance of thunderstorms. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the
upper 60s. Chance of rain 30 percent.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.

$$

ILZ102-MOZ065-261300-
Monroe IL-Jefferson MO-
1247 AM CDT Sun Jul 26 2026

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

.REST OF TONIGHT...Partly cloudy. Lows in the mid 70s. Light and
variable winds.
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms,
mainly in the morning. Hot with highs in the mid 90s. Light and
variable winds. Chance of rain 30 percent. Heat index values up
to 110.
.SUNDAY NIGHT...Partly cloudy. Humid with lows in the mid 70s.
South winds around 5 mph. Heat index values up to 109 early in
the evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
5 to 10 mph. Heat index values up to 111.
.MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest
winds around 5 mph. Heat index values up to 109 early in the
evening.
.TUESDAY...Sunny. Highs in the mid 90s. Heat index values up to
105.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. 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 THROUGH SATURDAY...Partly cloudy with a slight
chance of showers and thunderstorms. Lows in the upper 60s. Highs
in the upper 80s. Chance of rain 20 percent.

$$