761
FPUS53 KLSX 121923
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
222 PM CDT Sat Sep 12 2026

ILZ100-101-MOZ061-063-064-130300-
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
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the lower
90s. West winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows around 70. West winds around 5 mph in the evening,
becoming light and variable.
.SUNDAY...Partly sunny with isolated showers and thunderstorms.
Highs in the upper 80s. North winds 5 to 10 mph. Chance of rain
20 percent.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Isolated showers. Isolated thunderstorms after
midnight. Lows in the mid 60s. Northeast winds 5 to 10 mph.
Chance of rain 20 percent.
.MONDAY...Mostly sunny. Highs in the upper 80s. East winds 5 to
10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Hot. Lows around 70.
Highs in the upper 90s. Heat index values up to 105.
.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...Mostly sunny. Hot with highs in the mid 90s. Heat
index values up to 105 in the afternoon.
.WEDNESDAY 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 100 early in the evening.
.THURSDAY...Mostly sunny with a chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the lower 90s.
Chance of rain 40 percent.
.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 upper 60s. Chance
of rain 30 percent.
.FRIDAY...Mostly 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.

$$

MOZ042-049-050-130300-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the upper
80s. Northwest winds 5 to 10 mph.
.TONIGHT...Partly cloudy. Scattered showers with isolated
thunderstorms after midnight. Lows in the mid 60s. North winds
around 5 mph. Chance of rain 40 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming mostly
sunny. Scattered showers. Isolated thunderstorms in the morning,
then scattered thunderstorms in the afternoon. Highs in the lower
80s. North winds 5 to 10 mph. Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Isolated showers and thunderstorms. Lows in the
lower 60s. Northeast winds 5 to 10 mph. Chance of rain
20 percent.
.MONDAY...Partly sunny with isolated showers in the morning, then
sunny in the afternoon. Highs in the mid 80s. Southeast winds
10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
.MONDAY NIGHT...Mostly clear. Lows in the lower 70s.
.TUESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
Heat index values up to 105 in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.
.WEDNESDAY...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 in the afternoon.
.WEDNESDAY 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 around 70. Chance of rain
40 percent.
.THURSDAY...Mostly sunny with a chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 50 percent.
.THURSDAY 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.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 80s. Chance of rain 20 percent.

$$

MOZ041-047-048-130300-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the upper
80s. Northwest winds 5 to 10 mph.
.TONIGHT...Partly cloudy. Scattered showers and thunderstorms
after midnight. Lows in the upper 60s. North winds around 5 mph.
Chance of rain 40 percent.
.SUNDAY...Mostly cloudy with scattered showers with isolated
thunderstorms in the morning, then mostly sunny with scattered
showers and thunderstorms in the afternoon. Highs in the lower
80s. Northeast winds around 5 mph. Chance of rain 50 percent.
.SUNDAY NIGHT...Mostly cloudy with isolated showers and
thunderstorms. Lows in the mid 60s. East winds 5 to 10 mph.
Chance of rain 20 percent.
.MONDAY...Partly sunny with isolated showers in the morning, then
sunny in the afternoon. Highs in the lower 90s. Southeast winds
5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
Heat index values up to 100 in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the lower 70s.
.TUESDAY...Sunny. A slight chance of showers and thunderstorms in
the afternoon. Highs in the mid 90s. Chance of rain 20 percent.
Heat index values up to 105 in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.
Heat index values up to 100 early in the evening.
.WEDNESDAY...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 in the afternoon.
.WEDNESDAY 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 lower 70s. Chance
of rain 40 percent. Heat index values up to 100 early in the
evening.
.THURSDAY...Mostly sunny with a chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the upper 80s.
Chance of rain 50 percent.
.THURSDAY 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.
.FRIDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.

$$

ILZ095>097-MOZ018-019-026-027-034>036-130300-
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
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Mostly sunny. Near steady temperature in the
mid 80s. Northwest winds 5 to 10 mph.
.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
isolated showers and thunderstorms after midnight. Lows in the
mid 60s. North winds around 5 mph. Chance of rain 20 percent.
.SUNDAY...Partly sunny with scattered showers. Isolated
thunderstorms in the morning, then scattered thunderstorms in the
afternoon. Cooler with highs in the mid 70s. North winds 5 to
10 mph. Chance of rain 50 percent.
.SUNDAY NIGHT...Mostly cloudy with isolated thunderstorms.
Isolated showers in the evening, then scattered showers after
midnight. Lows around 60. Northeast winds 5 to 10 mph. Chance of
rain 30 percent.
.MONDAY...Mostly cloudy with a chance of showers with a slight
chance of thunderstorms in the morning, then mostly sunny in the
afternoon. Highs in the lower 80s. Southeast winds 10 to 15 mph
with gusts up to 25 mph. Chance of rain 50 percent.
.MONDAY NIGHT...Mostly clear. Not as cool with lows in the lower
70s.
.TUESDAY...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 upper 80s. Chance of rain
50 percent. Heat index values up to 100.
.TUESDAY NIGHT...A chance of thunderstorms. Showers likely. Lows
in the upper 60s. Chance of rain 70 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
sunny. A slight chance of thunderstorms. A chance of showers,
mainly in the morning. Highs in the mid 80s. Chance of rain
50 percent.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.
.THURSDAY...Partly sunny with a chance of showers with a slight
chance of thunderstorms. Highs in the lower 80s. Chance of rain
50 percent.
.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 60s. Chance of
rain 40 percent.
.FRIDAY...Partly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs around 80. Chance
of rain 20 percent.

$$

ILZ069-070-074-130300-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Sunny. Near steady temperature around 90. West
winds 5 to 10 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 60s. Light and variable winds.
.SUNDAY...Mostly sunny. Isolated showers in the afternoon. Highs
in the upper 80s. Northwest winds around 5 mph. Chance of rain
20 percent.
.SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with isolated showers and thunderstorms after midnight. Lows in
the lower 60s. Northeast winds 5 to 10 mph. Chance of rain
20 percent.
.MONDAY...Mostly sunny. Highs in the mid 80s. East winds 5 to
10 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Hot. Lows
around 70. Highs in the mid 90s. Heat index values up to 105.
.WEDNESDAY...Mostly sunny. Hot with highs in the mid 90s. Heat
index values up to 105.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat
index values up to 100 early in the evening.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the lower 90s.
Lows in the upper 60s. Chance of rain 30 percent.
.FRIDAY...Mostly 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.

$$

MOZ074-084-085-099-130300-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Sunny, warmer. Near steady temperature in the
lower 90s. Northwest winds around 5 mph.
.TONIGHT...Partly cloudy. Lows in the mid 60s. Light and variable
winds.
.SUNDAY...Mostly sunny with isolated showers and thunderstorms.
Highs around 90. Northwest winds around 5 mph. Chance of rain
20 percent.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Northeast
winds around 5 mph.
.MONDAY...Partly sunny in the morning, then clearing. Highs in
the upper 80s. East winds around 5 mph.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the
upper 60s. Highs in the mid 90s. Heat index values up to 105.
.THURSDAY...Sunny. A slight chance of showers in the morning,
then a chance of showers and thunderstorms in the afternoon.
Highs in the lower 90s. Chance of rain 30 percent. Heat index
values up to 100.
.THURSDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the mid 60s. Chance of rain 20 percent.
.FRIDAY...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 upper 80s. Chance of rain 30 percent.

$$

MOZ051-052-060-130300-
Montgomery MO-Lincoln MO-Warren MO-
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Mostly sunny. Near steady temperature in the
upper 80s. West winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 60s. Light and variable winds, becoming
north around 5 mph after midnight.
.SUNDAY...Partly sunny with scattered showers. Isolated
thunderstorms in the morning, then scattered thunderstorms in the
afternoon. Highs in the lower 80s. North winds around 5 mph.
Chance of rain 50 percent.
.SUNDAY NIGHT...Mostly cloudy with isolated showers and
thunderstorms. Lows in the lower 60s. Northeast winds around
5 mph. Chance of rain 20 percent.
.MONDAY...Partly sunny with isolated showers and thunderstorms in
the morning, then sunny in the afternoon. Highs in the mid 80s.
Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of
rain 20 percent.
.MONDAY NIGHT...Mostly clear. Lows around 70.
.TUESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the mid 90s. Chance of rain 20 percent.
Heat index values up to 105 in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 60s. Chance of
rain 40 percent. Heat index values up to 100 early in the
evening.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance
of showers and thunderstorms. Highs in the lower 90s. Lows around
70. Chance of rain 20 percent. Heat index values up to 100.
.THURSDAY...Mostly sunny with a chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the upper 80s.
Chance of rain 40 percent.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 60s. Highs in the mid
80s. Chance of rain 20 percent.

$$

ILZ058-059-098-099-130300-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Mostly sunny. Near steady temperature around
90. West winds around 5 mph.
.TONIGHT...Partly cloudy. Lows in the mid 60s. Northwest winds
around 5 mph.
.SUNDAY...Partly sunny with isolated showers and thunderstorms.
Highs in the mid 80s. North winds 5 to 10 mph. Chance of rain
20 percent.
.SUNDAY NIGHT...Mostly cloudy with isolated thunderstorms.
Isolated showers in the evening, then scattered showers after
midnight. Lows around 60. Northeast winds 5 to 10 mph. Chance of
rain 30 percent.
.MONDAY...Mostly cloudy with scattered showers with isolated
thunderstorms in the morning, then mostly sunny in the afternoon.
Highs in the mid 80s. Southeast winds 5 to 10 mph with gusts up
to 20 mph. Chance of rain 30 percent.
.MONDAY NIGHT...Mostly clear. Lows in the upper 60s.
.TUESDAY...Sunny with a slight chance of showers and
thunderstorms. Warmer with highs in the mid 90s. Chance of rain
20 percent. Heat index values up to 105 in the afternoon.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A chance of showers with a slight chance of
thunderstorms. Lows in the upper 60s. Chance of rain 40 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance
of showers and thunderstorms. Highs in the lower 90s. Lows around
70. Chance of rain 20 percent. Heat index values up to 100.
.THURSDAY...Mostly sunny with a chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the upper 80s.
Chance of rain 50 percent.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 60s. Highs in the mid
80s. Chance of rain 20 percent.

$$

ILZ060-064-065-130300-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Sunny. Near steady temperature around 90. West
winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 60s. West winds around 5 mph in the
evening, becoming light and variable.
.SUNDAY...Partly sunny. Isolated showers and thunderstorms in the
afternoon. Highs in the upper 80s. North winds 5 to 10 mph.
Chance of rain 20 percent.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Isolated showers and thunderstorms. Lows around
60. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
.MONDAY...Mostly sunny. Isolated showers and thunderstorms in the
morning. Highs in the mid 80s. East winds 5 to 10 mph. Chance of
rain 20 percent.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Hot. Lows in the upper
60s. Highs in the mid 90s. Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows around 70. Highs in the mid 90s.
Chance of rain 20 percent. Heat index values up to 100.
.WEDNESDAY NIGHT...Mostly clear. A slight chance of showers after
midnight. Lows in the lower 70s. Chance of rain 20 percent.
.THURSDAY...Mostly sunny with a chance of showers. A slight
chance of thunderstorms in the afternoon. Highs around 90. Chance
of rain 40 percent.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 60s. Highs in the
upper 80s. Chance of rain 20 percent.

$$

ILZ079-MOZ075-130300-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Sunny, warmer. Near steady temperature in the
lower 90s. Northwest winds around 5 mph.
.TONIGHT...Mostly clear. Lows in the upper 60s. Light and
variable winds.
.SUNDAY...Mostly sunny. Isolated showers and thunderstorms in the
afternoon. Highs in the upper 80s. Northwest winds around 5 mph.
Chance of rain 20 percent.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s. Northeast winds around 5 mph.
.MONDAY...Partly sunny in the morning, then clearing. Highs in
the upper 80s. East winds 5 to 10 mph.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Hot. Lows
around 70. Highs in the mid 90s. Heat index values up to 105.
.THURSDAY...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 90s. Chance of rain 30 percent.
Heat index values up to 100.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the mid 60s. Highs in the
upper 80s. Chance of rain 20 percent.

$$

MOZ059-062-072-073-130300-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Sunny. Near steady temperature around 90.
Northwest winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 60s. Light and variable winds.
.SUNDAY...Mostly cloudy in the morning, then becoming mostly
sunny. Scattered showers. Isolated thunderstorms in the morning,
then scattered thunderstorms in the afternoon. Highs in the upper
80s. Northwest winds around 5 mph. Chance of rain 40 percent.
.SUNDAY NIGHT...Isolated thunderstorms in the evening. Partly
cloudy with isolated showers. Lows in the lower 60s. Northeast
winds around 5 mph. Chance of rain 20 percent.
.MONDAY...Partly sunny in the morning, then clearing. Highs in
the upper 80s. East winds 5 to 10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Hot. Lows around 70.
Highs in the mid 90s. Heat index values up to 105.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the lower 70s. Highs in the
mid 90s. Chance of rain 20 percent. Heat index values up to 105.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly
clear with a slight chance of showers after midnight. Lows around
70. Chance of rain 20 percent.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs around 90. Lows in
the mid 60s. Chance of rain 40 percent.
.FRIDAY...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-MOZ065-130300-
Monroe IL-Jefferson MO-
223 PM CDT Sat Sep 12 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the lower
90s. Northwest winds around 5 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 60s. Light and variable winds.
.SUNDAY...Partly sunny with isolated showers and thunderstorms.
Highs in the upper 80s. Northwest winds around 5 mph. Chance of
rain 20 percent.
.SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with isolated showers and thunderstorms after midnight. Lows in
the lower 60s. Northeast winds around 5 mph. Chance of rain
20 percent.
.MONDAY...Partly sunny in the morning, then clearing. Highs in
the upper 80s. East winds 5 to 10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Hot. Lows in the upper
60s. Highs in the upper 90s. Heat index values up to 110.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Hot. Lows in the
lower 70s. Highs in the mid 90s. Heat index values up to 105.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly
clear with a slight chance of showers after midnight. Lows in the
lower 70s. Chance of rain 20 percent. Heat index values up to
100 early in the evening.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. A chance of showers
with a slight chance of thunderstorms. Highs in the lower 90s.
Lows in the mid 60s. Chance of rain 30 percent. Heat index values
up to 100.
.FRIDAY...Mostly 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.

$$