993
FPUS53 KLSX 270259
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
959 PM CDT Sun Jul 26 2026

ILZ100-101-MOZ061-063-064-271000-
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
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Partly cloudy. Lows in the upper 70s. Southwest winds
5 to 10 mph, becoming south after midnight. Heat index values up
to 121 early this evening.
.MONDAY...Sunny, hot with highs in the mid 90s. South winds 5 to
10 mph. Heat index values up to 113.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
West 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. North
winds 5 to 10 mph. Heat index values up to 105.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows around 70. Northeast winds 5 to 10 mph. 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 chance of showers after midnight. Lows around 70.
Chance of rain 30 percent.
.FRIDAY...Partly sunny. A 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 50 percent.
.FRIDAY NIGHT...A chance of thunderstorms in the evening. Partly
cloudy with a chance of showers. Lows in the upper 60s. Chance of
rain 50 percent.
.SATURDAY...Mostly 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 lower 80s. Chance of
rain 50 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 60s.
Highs in the mid 80s.

$$

MOZ042-049-050-271000-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to
10 mph. Heat index values up to 112 early this evening.
.MONDAY...Sunny, hot with highs in the mid 90s. Southwest winds
10 to 15 mph. Heat index values up to 107.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
West winds 5 to 10 mph. Heat index values up to 106 early in the
evening.
.TUESDAY...Mostly sunny. Humid with highs in the lower 90s. North
winds 5 to 10 mph. Heat index values up to 103.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Northeast
winds 5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows in the upper 60s.
.THURSDAY...Mostly sunny. Highs around 90.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight. Lows around 70. Chance of rain
50 percent.
.FRIDAY...Partly sunny. A chance of showers with a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s. Chance of
rain 50 percent.
.FRIDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms, mainly in the evening. Lows in the upper 60s.
Chance of rain 50 percent.
.SATURDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the lower 80s. Chance of rain 20 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 80s.

$$

MOZ041-047-048-271000-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to
10 mph. Heat index values up to 111 early this 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 109.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
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...Mostly sunny. Humid with highs in the mid 90s. North
winds around 5 mph. Heat index values up to 104.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. East winds
around 5 mph. Heat index values up to 101 early in the evening.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows in the upper 60s.
.THURSDAY...Mostly sunny. Highs in the lower 90s.
.THURSDAY NIGHT...Mostly 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 lower 70s. Chance
of rain 50 percent.
.FRIDAY...Partly sunny. A chance of showers with a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 50 percent.
.FRIDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms, mainly in the evening. Lows in the upper 60s.
Chance of rain 40 percent.
.SATURDAY...Mostly sunny. Highs in the mid 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 60s.
Highs in the mid 80s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-271000-
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
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the upper 70s. Southwest winds 5 to 10 mph. Heat
index values up to 117 early this evening.
.MONDAY...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 109.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Humid with lows in the mid 70s. West winds 5 to
10 mph with gusts up to 20 mph, becoming northwest after
midnight. Heat index values up to 109 early in the evening.
.TUESDAY...Mostly sunny. Humid with highs in the upper 80s. North
winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. Northeast
winds 5 to 10 mph.
.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...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Lows in the upper 60s.
Highs in the lower 80s. Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 60s. Chance of
rain 50 percent.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Chance of rain 20 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 80s.

$$

ILZ069-070-074-271000-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Partly cloudy with a chance of showers and
thunderstorms this evening, then mostly cloudy after midnight.
Lows in the mid 70s. Southeast winds 5 to 10 mph. Gusts up to
25 mph this evening. Chance of rain 50 percent. Heat index values
up to 112 early this evening.
.MONDAY...Sunny, hot with highs in the mid 90s. South winds 5 to
10 mph. Heat index values up to 115.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
Southwest winds around 5 mph. Heat index values up to 114 early
in the evening.
.TUESDAY...Mostly sunny. Humid with highs around 90. North winds
5 to 10 mph. Heat index values up to 105.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. Northeast
winds 5 to 10 mph.
.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 chance of showers. A slight chance
of thunderstorms in the afternoon. Highs in the mid 80s. Chance
of rain 40 percent.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A chance of showers. Lows in the upper 60s. Chance
of rain 50 percent.
.SATURDAY...Mostly 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 lower 80s. Chance of
rain 50 percent.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 60s.
.SUNDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

$$

MOZ074-084-085-099-271000-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the mid 70s. Southwest winds around 5 mph. Heat
index values up to 111 early this 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 108.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Northeast
winds around 5 mph. Heat index values up to 102 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. A chance of showers with a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 50 percent.
.FRIDAY NIGHT...Partly cloudy with a chance of showers. A chance
of thunderstorms, mainly in the evening. Lows in the upper 60s.
Chance of rain 50 percent.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Chance of rain 20 percent.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 60s.
.SUNDAY...Sunny. Highs in the mid 80s.

$$

MOZ051-052-060-271000-
Montgomery MO-Lincoln MO-Warren MO-
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the mid 70s. Southwest winds around 5 mph. Heat
index values up to 119 early this evening.
.MONDAY...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 110.
.MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s.
West winds around 5 mph. Heat index values up to 109 early in the
evening.
.TUESDAY...Mostly sunny. Humid with highs in the lower 90s. North
winds around 5 mph. Heat index values up to 103.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows around 70. Northeast winds around 5 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper
80s. Lows in the mid 60s.
.THURSDAY NIGHT...Mostly 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 upper 60s. Chance
of rain 40 percent.
.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 lower 80s. Chance of rain
50 percent.
.FRIDAY NIGHT...A chance of thunderstorms in the evening. Partly
cloudy with a chance of showers. Lows in the upper 60s. Chance of
rain 50 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the
lower 80s. Chance of rain 20 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 80s.

$$

ILZ058-059-098-099-271000-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Partly cloudy. Lows in the mid 70s. Southwest winds
around 5 mph, becoming south around 5 mph after midnight. Heat
index values up to 121 early this evening.
.MONDAY...Sunny with highs in the mid 90s. South 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, becoming west after midnight. Heat
index values up to 108 early in the evening.
.TUESDAY...Mostly sunny. Humid with highs in the upper 80s. North
winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. Northeast
winds 5 to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper
80s. Lows in the mid 60s.
.THURSDAY NIGHT...Mostly cloudy. A chance of showers with a
slight chance of thunderstorms after midnight. Lows in the upper
60s. Chance of rain 40 percent.
.FRIDAY...Partly sunny. A chance of showers in the morning, then
a chance of showers with a slight chance of thunderstorms in the
afternoon. Highs in the lower 80s. Chance of rain 50 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 50 percent.
.SATURDAY...Mostly 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 lower 80s. Chance of
rain 40 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 80s.

$$

ILZ060-064-065-271000-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Lows in the mid 70s. Southeast winds around 5 mph. Heat
index values up to 110 early this evening.
.MONDAY...Sunny with highs in the mid 90s. South winds 5 to
10 mph. Heat index values up to 112.
.MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s.
Southwest winds 5 to 10 mph, becoming west after midnight. Heat
index values up to 110 early in the evening.
.TUESDAY...Mostly sunny. Humid with highs in the upper 80s. North
winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Cooler with lows in the mid 60s.
North winds 5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the mid 80s.
Lows in the mid 60s.
.THURSDAY...Sunny. Highs in the mid 80s.
.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 AND FRIDAY NIGHT...Mostly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the lower 80s.
Lows in the upper 60s. Chance of rain 50 percent.
.SATURDAY...Mostly 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 lower 80s. Chance of
rain 50 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 80s.

$$

ILZ079-MOZ075-271000-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the mid 70s. Southwest winds around 5 mph. Heat
index values up to 121 early this 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. Humid with lows in the upper 70s.
Southwest winds around 5 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 108.
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Northeast winds
5 to 10 mph. Heat index values up to 103 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. A 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 50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A chance of showers with a slight chance of
thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the
lower 80s. Chance of rain 20 percent.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 60s.
.SUNDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

$$

MOZ059-062-072-073-271000-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the mid 70s. Southwest winds around 5 mph. Heat
index values up to 115 early this 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 107 early in the
evening.
.TUESDAY...Mostly sunny. Humid with highs in the mid 90s.
Northwest winds around 5 mph. Heat index values up to 105.
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Northeast winds
around 5 mph. Heat index values up to 100 early in the evening.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 90. Lows
in the mid 60s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. 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 40 percent.
.FRIDAY...Partly sunny. A chance of showers with a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 50 percent.
.FRIDAY NIGHT...Partly cloudy with a chance of showers. A chance
of thunderstorms, mainly in the evening. Lows in the upper 60s.
Chance of rain 50 percent.
.SATURDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the
lower 80s. Chance of rain 20 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 80s.

$$

ILZ102-MOZ065-271000-
Monroe IL-Jefferson MO-
959 PM CDT Sun Jul 26 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT MONDAY...

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Lows in the upper 70s. Southwest winds around 5 mph. Heat
index values up to 119 early this evening.
.MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds
around 5 mph. Heat index values up to 112.
.MONDAY 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.
.TUESDAY...Mostly sunny. Humid with highs in the lower 90s.
Northwest winds 5 to 10 mph. Heat index values up to 108.
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Northeast winds
5 to 10 mph. Heat index values up to 103 early in the evening.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 90. Lows
in the mid 60s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a chance of showers after midnight. Lows in the upper
60s. Chance of rain 30 percent.
.FRIDAY...Partly sunny. A 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 50 percent.
.FRIDAY NIGHT...A chance of thunderstorms in the evening. Partly
cloudy with a chance of showers. Lows in the upper 60s. Chance of
rain 50 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.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 60s.
Highs in the mid 80s.

$$