Zone Forecast Product
Issued by NWS St. Louis, MO

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443
FPUS53 KLSX 292120
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
420 PM CDT Fri Aug 29 2025

ILZ100-101-MOZ061-063-064-300500-
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
420 PM CDT Fri Aug 29 2025

.TONIGHT...Mostly clear. Lows around 60. East winds around 5 mph.
.SATURDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 80s. East winds around 5 mph. Chance of rain
20 percent.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. East winds around 5 mph.
.SUNDAY...Partly sunny. Highs in the lower 80s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.LABOR DAY AND MONDAY NIGHT...Mostly cloudy. A 20 percent chance
of showers. Highs in the upper 70s. Lows around 60.
.TUESDAY...Partly sunny with a chance of showers. A slight chance
of thunderstorms in the afternoon. Highs in the upper 70s. Chance
of rain 40 percent.
.TUESDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a slight chance of showers. Lows in the upper
50s. Chance of rain 20 percent.
.WEDNESDAY...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 around 80. Chance of rain
30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers in
the evening. Lows in the lower 50s. Chance of rain 20 percent.
.THURSDAY...Mostly sunny. Highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the upper 70s.

$$

MOZ042-049-050-300500-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
420 PM CDT Fri Aug 29 2025

.TONIGHT...Partly cloudy this evening, then clearing. Lows in the
upper 50s. East winds around 5 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Southeast winds
around 5 mph.
.SATURDAY NIGHT...Mostly cloudy. Lows in the mid 60s. Southeast
winds around 5 mph.
.SUNDAY...Mostly cloudy. Highs in the upper 70s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the lower 60s. East winds around 5 mph. Chance
of rain 20 percent.
.LABOR DAY...Mostly cloudy in the morning, then becoming partly
sunny. A chance of showers. A slight chance of thunderstorms in
the afternoon. Highs in the mid 70s. Chance of rain 30 percent.
.MONDAY NIGHT...Mostly cloudy with a 40 percent chance of
showers. Lows in the upper 50s.
.TUESDAY...Partly sunny with a chance of showers. A slight chance
of thunderstorms in the afternoon. Highs in the upper 70s. Chance
of rain 40 percent.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers in
the evening, then mostly clear after midnight. Lows in the mid
50s. Chance of rain 20 percent.
.WEDNESDAY...Mostly sunny. A chance of showers with a slight
chance of thunderstorms in the afternoon. Highs in the upper 70s.
Chance of rain 30 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper
40s. Highs around 70.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the upper 70s.

$$

MOZ041-047-048-300500-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
420 PM CDT Fri Aug 29 2025

.TONIGHT...Partly cloudy this evening, then clearing. Lows in the
upper 50s. Southeast winds around 5 mph.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Southeast winds
around 5 mph.
.SATURDAY NIGHT...Mostly cloudy. Lows in the mid 60s. Southeast
winds around 5 mph.
.SUNDAY...Mostly cloudy with a 20 percent chance of showers.
Highs around 80. Southeast winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of showers. A
slight chance of thunderstorms after midnight. Lows in the lower
60s. East winds around 5 mph. Chance of rain 20 percent.
.LABOR DAY THROUGH TUESDAY...Mostly cloudy with a chance of
showers with a slight chance of thunderstorms. Highs in the upper
70s. Lows around 60. Chance of rain 40 percent.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers in
the evening, then mostly clear after midnight. Lows in the upper
50s. Chance of rain 20 percent.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 20 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 40s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the lower
70s. Lows in the upper 40s.
.FRIDAY...Sunny. Highs in the upper 70s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-300500-
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
420 PM CDT Fri Aug 29 2025

.TONIGHT...Partly cloudy this evening, then becoming mostly
clear. Lows in the upper 50s. Southeast winds around 5 mph.
.SATURDAY...Mostly sunny. A slight chance of showers in the
afternoon. Highs in the lower 80s. Southeast winds around 5 mph.
Chance of rain 20 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East
winds around 5 mph.
.SUNDAY...Mostly cloudy with a 20 percent chance of showers.
Highs around 80. Southeast winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows around 60. East winds around 5 mph. Chance of rain
20 percent.
.LABOR DAY THROUGH TUESDAY...Mostly cloudy with a 20 percent
chance of showers. Highs in the upper 70s. Lows in the upper 50s.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing. A
20 percent chance of showers. Lows in the upper 50s.
.WEDNESDAY...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 mid 70s. Chance of
rain 30 percent.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows in the upper 40s.
.THURSDAY...Mostly sunny. Highs in the upper 60s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the mid 70s.

$$

ILZ069-070-074-300500-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
420 PM CDT Fri Aug 29 2025

.TONIGHT...Mostly clear. Lows in the upper 50s. East winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. East winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. East winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
5 to 10 mph.
.LABOR DAY...Partly sunny. Highs around 80.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the upper 50s. Chance of rain 20 percent.
.TUESDAY...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 around 80. Chance of rain
30 percent.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A chance of showers
with a slight chance of thunderstorms. Lows in the upper 50s.
Highs around 80. Chance of rain 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers in
the evening. Lows in the lower 50s. Chance of rain 20 percent.
.THURSDAY...Mostly sunny. Highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the upper 70s.

$$

MOZ074-084-085-099-300500-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
420 PM CDT Fri Aug 29 2025

.TONIGHT...Partly cloudy this evening, then clearing. Lows in the
upper 50s. Light and variable winds.
.SATURDAY...Sunny. Highs in the mid 80s. East winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 50s. East winds around 5 mph.
.SUNDAY...Partly sunny. Highs in the lower 80s. East winds around
5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Northeast
winds around 5 mph.
.LABOR DAY...Partly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 20 percent.
.MONDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 50s. Chance of
rain 40 percent.
.TUESDAY...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 70s. Chance of rain
50 percent.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms in the evening, then partly cloudy
with a slight chance of showers after midnight. Lows in the upper
50s. Chance of rain 50 percent.
.WEDNESDAY...Mostly sunny. A chance of showers with a slight
chance of thunderstorms in the afternoon. Highs around 80. Chance
of rain 30 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
50s. Highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the upper 70s.

$$

MOZ051-052-060-300500-
Montgomery MO-Lincoln MO-Warren MO-
420 PM CDT Fri Aug 29 2025

.TONIGHT...Partly cloudy this evening, then clearing. Lows in the
upper 50s. East winds around 5 mph.
.SATURDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 80s. Southeast winds around 5 mph. Chance of
rain 20 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East
winds around 5 mph.
.SUNDAY...Partly sunny in the morning, then becoming mostly
cloudy. Highs around 80. East winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows around 60. East winds around
5 mph.
.LABOR DAY...Partly sunny with a 20 percent chance of showers.
Highs in the mid 70s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows in the
upper 50s. Chance of rain 30 percent.
.TUESDAY...Partly sunny with a chance of showers. A slight chance
of thunderstorms in the afternoon. Highs in the upper 70s. Chance
of rain 40 percent.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers in the
evening. Lows in the upper 50s. Chance of rain 20 percent.
.WEDNESDAY...Mostly sunny. A chance of showers with a slight
chance of thunderstorms in the afternoon. Highs in the upper 70s.
Chance of rain 30 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers
in the evening, then partly cloudy after midnight. Lows in the
upper 40s. Chance of rain 20 percent.
.THURSDAY...Mostly sunny. Highs around 70.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the mid 70s.

$$

ILZ058-059-098-099-300500-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
420 PM CDT Fri Aug 29 2025

.TONIGHT...Mostly clear. Lows in the upper 50s. East winds around
5 mph.
.SATURDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the lower 80s. Southeast winds around 5 mph. Chance of
rain 20 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East
winds around 5 mph.
.SUNDAY...Partly sunny. Highs in the lower 80s. East winds around
5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.LABOR DAY...Partly sunny. Highs in the upper 70s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the upper 50s. Chance of rain 20 percent.
.TUESDAY...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 upper 70s. Chance of
rain 30 percent.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers in the
evening. Lows in the upper 50s. Chance of rain 20 percent.
.WEDNESDAY...Mostly sunny. A chance of showers with a slight
chance of thunderstorms in the afternoon. Highs in the upper 70s.
Chance of rain 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers in
the evening. Lows around 50. Chance of rain 20 percent.
.THURSDAY...Mostly sunny. Highs in the upper 60s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the mid 70s.

$$

ILZ060-064-065-300500-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
420 PM CDT Fri Aug 29 2025

.TONIGHT...Mostly clear. Lows in the mid 50s. East winds around
5 mph.
.SATURDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the lower 80s. East winds around 5 mph. Chance of rain
20 percent.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. East
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. East winds around
5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.LABOR DAY AND MONDAY NIGHT...Mostly cloudy. Highs in the upper
70s. Lows in the upper 50s.
.TUESDAY...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 upper 70s. Chance of
rain 30 percent.
.TUESDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows in the upper 50s.
.WEDNESDAY...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 upper 70s. Chance of
rain 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers in
the evening. Lows around 50. Chance of rain 20 percent.
.THURSDAY...Mostly sunny. Highs around 70.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 40s.
Highs in the mid 70s.

$$

ILZ079-MOZ075-300500-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
420 PM CDT Fri Aug 29 2025

.TONIGHT...Mostly clear. Lows in the upper 50s. East winds around
5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. East winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. East winds around 5 mph.
.SUNDAY...Partly sunny. Highs in the mid 80s. East winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Northeast
winds around 5 mph.
.LABOR DAY...Partly sunny. Highs in the lower 80s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers in the
evening, then a chance of showers after midnight. Lows around 60.
Chance of rain 30 percent.
.TUESDAY...Partly sunny with a chance of showers. A chance of
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 40 percent.
.TUESDAY NIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening, then a slight chance of
showers after midnight. Lows around 60. Chance of rain
40 percent.
.WEDNESDAY...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 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers in
the evening. Lows in the lower 50s. Chance of rain 20 percent.
.THURSDAY...Mostly sunny. Highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the upper 70s.

$$

MOZ059-062-072-073-300500-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
420 PM CDT Fri Aug 29 2025

.TONIGHT...Partly cloudy this evening, then clearing. Lows in the
upper 50s. East winds around 5 mph this evening, becoming light
and variable.
.SATURDAY...Mostly sunny. Highs in the mid 80s. Southeast winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. East winds around 5 mph.
.SUNDAY...Partly sunny. Highs in the lower 80s. East winds around
5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.LABOR DAY...Partly sunny with a 20 percent chance of showers.
Highs in the upper 70s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening, then a chance of showers after
midnight. Lows in the upper 50s. Chance of rain 40 percent.
.TUESDAY...Partly sunny with a chance of showers. A chance of
thunderstorms in the afternoon. Highs in the mid 70s. Chance of
rain 50 percent.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 50s. Chance of
rain 20 percent.
.WEDNESDAY...Mostly sunny. A chance of showers with a slight
chance of thunderstorms in the afternoon. Highs in the upper 70s.
Chance of rain 30 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
50s. Highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the upper 70s.

$$

ILZ102-MOZ065-300500-
Monroe IL-Jefferson MO-
420 PM CDT Fri Aug 29 2025

.TONIGHT...Partly cloudy this evening, then becoming mostly
clear. Lows in the upper 50s. East winds around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. East winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s. East winds around 5 mph.
.SUNDAY...Partly sunny. Highs in the lower 80s. East winds around
5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.LABOR DAY AND MONDAY NIGHT...Mostly cloudy. A 20 percent chance
of showers. Highs in the upper 70s. Lows in the upper 50s.
.TUESDAY...Partly sunny with a chance of showers. A slight chance
of thunderstorms in the afternoon. Highs in the upper 70s. Chance
of rain 40 percent.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms in the evening, then partly cloudy
with a slight chance of showers after midnight. Lows in the upper
50s. Chance of rain 40 percent.
.WEDNESDAY...Mostly sunny. A chance of showers with a slight
chance of thunderstorms in the afternoon. Highs in the lower 80s.
Chance of rain 30 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower
50s. Highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the upper 70s.

$$