Zone Forecast Product
Issued by NWS St. Louis, MO

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FPUS53 KLSX 302120
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
419 PM CDT Sat Aug 30 2025

ILZ100-101-MOZ061-063-064-310500-
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 Sat Aug 30 2025

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

$$

MOZ042-049-050-310500-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
420 PM CDT Sat Aug 30 2025

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

$$

MOZ041-047-048-310500-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
420 PM CDT Sat Aug 30 2025

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

$$

ILZ095>097-MOZ018-019-026-027-034>036-310500-
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 Sat Aug 30 2025

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

$$

ILZ069-070-074-310500-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
420 PM CDT Sat Aug 30 2025

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

$$

MOZ074-084-085-099-310500-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
420 PM CDT Sat Aug 30 2025

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

$$

MOZ051-052-060-310500-
Montgomery MO-Lincoln MO-Warren MO-
420 PM CDT Sat Aug 30 2025

.TONIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the lower 60s. East winds around 5 mph. Chance
of rain 20 percent.
.SUNDAY...Partly sunny. Highs around 80. East winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.LABOR DAY...Partly sunny. A slight chance of showers in the
morning. Highs in the mid 70s. East winds around 5 mph. Chance of
rain 20 percent.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows in the upper 50s. Northeast winds around 5 mph in
the evening, becoming light and variable. Chance of rain
20 percent.
.TUESDAY...Partly sunny with a 20 percent chance of showers.
Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 50s.
.WEDNESDAY...Sunny in the morning, then partly sunny with a
chance of showers with a slight chance of thunderstorms in the
afternoon. Highs in the upper 70s. Temperature falling into the
lower 70s in the afternoon. Chance of rain 40 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms in the evening, then partly cloudy after
midnight. Cooler with lows in the mid 40s. Chance of rain
20 percent.
.THURSDAY...Sunny, cooler with highs in the upper 60s.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 40s.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the lower 70s.
Lows in the upper 40s.
.SATURDAY...Sunny. Highs in the upper 70s.

$$

ILZ058-059-098-099-310500-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
420 PM CDT Sat Aug 30 2025

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

$$

ILZ060-064-065-310500-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
420 PM CDT Sat Aug 30 2025

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

$$

ILZ079-MOZ075-310500-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
420 PM CDT Sat Aug 30 2025

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

$$

MOZ059-062-072-073-310500-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
420 PM CDT Sat Aug 30 2025

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

$$

ILZ102-MOZ065-310500-
Monroe IL-Jefferson MO-
420 PM CDT Sat Aug 30 2025

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

$$