Zone Forecast Product
Issued by NWS St. Louis, MO

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687
FPUS53 KLSX 311450
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
949 AM CDT Sun Aug 31 2025

ILZ100-101-MOZ061-063-064-312200-
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
949 AM CDT Sun Aug 31 2025

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

$$

MOZ042-049-050-312200-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Mostly cloudy with a 20 percent chance of
showers. Highs around 80. East winds 5 to 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of showers after
midnight. Lows around 60. East winds around 5 mph. Chance of rain
20 percent.
.LABOR DAY...Partly sunny with a slight chance of showers in the
morning, then mostly cloudy in the afternoon. Highs in the lower
70s. East winds 5 to 10 mph. Chance of rain 20 percent.
.MONDAY 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.
.TUESDAY...Partly sunny. A chance of showers, mainly in the
morning. Highs in the mid 70s. East winds around 5 mph. Chance of
rain 30 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of
showers with a slight chance of thunderstorms. Highs in the lower
80s. Lows in the upper 40s. Chance of rain 50 percent.
.THURSDAY...Mostly sunny. Cooler with highs around 70.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows around 50.
Highs in the upper 70s.

$$

MOZ041-047-048-312200-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Mostly cloudy. A chance of showers late this
morning, then a slight chance of showers this afternoon. Highs
around 80. East winds 5 to 10 mph. Chance of rain 30 percent.
.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.
.LABOR DAY...Mostly cloudy. A chance of showers in the morning.
Highs in the lower 70s. East winds around 5 mph. Chance of rain
30 percent.
.MONDAY 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.
.TUESDAY...Mostly cloudy with a chance of showers in the morning,
then partly sunny with 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.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of
showers with a slight chance of thunderstorms. Highs in the lower
80s. Lows in the upper 40s. Chance of rain 40 percent.
.THURSDAY...Mostly sunny. Cooler with highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs around 80.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 50s.
Highs around 80.

$$

ILZ095>097-MOZ018-019-026-027-034>036-312200-
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
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Mostly cloudy with a 20 percent chance of
showers. Highs around 80. Southeast winds around 5 mph.
.TONIGHT...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...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. 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. East winds around 5 mph. Chance
of rain 20 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of
showers with a slight chance of thunderstorms. Highs around 80.
Lows in the upper 40s. Chance of rain 50 percent.
.THURSDAY...Mostly sunny. Cooler with highs in the upper 60s.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows around 50.
Highs in the upper 70s.

$$

ILZ069-070-074-312200-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Mostly sunny. Highs in the lower 80s. East winds
5 to 10 mph.
.TONIGHT...Partly 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...Partly sunny. A slight chance of showers in the
afternoon. Highs in the upper 70s. North winds around 5 mph.
Chance of rain 20 percent.
.TUESDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows in the upper 50s.
.WEDNESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 80s. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the lower 50s. Chance of
rain 30 percent.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the lower
70s. Lows in the upper 40s.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the lower 80s.
Lows in the lower 50s.

$$

MOZ074-084-085-099-312200-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Partly sunny. Highs in the lower 80s. East winds
around 5 mph.
.TONIGHT...Partly cloudy. Lows in the upper 50s. Northeast winds
around 5 mph.
.LABOR DAY...Mostly sunny. Highs in the upper 70s. Northeast
winds around 5 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. 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. Northeast
winds around 5 mph. Chance of rain 40 percent.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 20 percent chance of showers. Lows in the mid
50s.
.WEDNESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the lower 80s. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A slight chance of thunderstorms. A chance of
showers, mainly in the evening. Lows in the lower 50s. Chance of
rain 30 percent.
.THURSDAY...Mostly sunny. Cooler with highs in the lower 70s.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows in the
upper 40s. Highs around 80.

$$

MOZ051-052-060-312200-
Montgomery MO-Lincoln MO-Warren MO-
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Mostly cloudy. Highs around 80. East winds
around 5 mph.
.TONIGHT...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. Lows in the mid 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.TUESDAY...Partly sunny with a 20 percent chance of showers.
Highs in the mid 70s. East winds around 5 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 50s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A chance of
showers with a slight chance of thunderstorms. Highs in the lower
80s. Lows in the upper 40s. Chance of rain 40 percent.
.THURSDAY...Mostly sunny. Cooler with highs around 70.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows around 50.
Highs in the upper 70s.

$$

ILZ058-059-098-099-312200-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Partly sunny. Highs around 80. East winds around
5 mph.
.TONIGHT...Partly 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...Partly sunny. Highs in the upper 70s. Northeast winds
around 5 mph, becoming southeast around 5 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. 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. Lows around 50. Chance of rain 40 percent.
.THURSDAY...Mostly sunny. Cooler with highs in the upper 60s.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows around 50.
Highs in the upper 70s.

$$

ILZ060-064-065-312200-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Mostly sunny. Highs around 80. East winds around
5 mph.
.TONIGHT...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. Highs in the upper 70s. Northeast winds
around 5 mph, becoming southeast around 5 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 50s.
.WEDNESDAY...Mostly sunny. A slight chance of showers in the
afternoon. Highs in the lower 80s. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A chance of showers, mainly in the evening. Lows
around 50. Chance of rain 40 percent.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the upper
60s. Lows in the mid 40s.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the upper 70s.
Lows around 50.

$$

ILZ079-MOZ075-312200-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Partly sunny. Highs in the lower 80s. East winds
5 to 10 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Lows in the upper 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...Partly sunny. A slight chance of showers in the
afternoon. Highs in the upper 70s. Northeast winds around 5 mph.
Chance of rain 20 percent.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 20 percent chance of showers. Lows in the upper
50s.
.WEDNESDAY...Sunny. A slight chance of showers in the afternoon.
Highs in the mid 80s. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A slight chance of thunderstorms. A chance of
showers, mainly in the evening. Lows in the mid 50s. Chance of
rain 30 percent.
.THURSDAY...Mostly sunny. Cooler with highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 40s.
Highs in the lower 80s.
.FRIDAY NIGHT...Clear. Lows in the lower 50s.
.SATURDAY...Sunny. Highs in the lower 80s.

$$

MOZ059-062-072-073-312200-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Mostly cloudy late this morning, then becoming
partly sunny. Highs in the lower 80s. East winds around 5 mph.
.TONIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.LABOR DAY...Mostly sunny in the morning, then becoming mostly
cloudy. Highs in the mid 70s. Northeast winds around 5 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.TUESDAY...Partly sunny. A slight chance of showers in the
morning, then a chance of showers in the afternoon. Highs in the
mid 70s. Northeast winds around 5 mph. Chance of rain 40 percent.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A 20 percent chance
of showers. Lows in the mid 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. Lows in the lower
50s. Chance of rain 30 percent.
.THURSDAY...Mostly sunny. Cooler with highs in the lower 70s.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows around 50.
Highs around 80.

$$

ILZ102-MOZ065-312200-
Monroe IL-Jefferson MO-
949 AM CDT Sun Aug 31 2025

.REST OF TODAY...Partly sunny. Highs in the lower 80s. East winds
around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
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. Lows in the upper 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.TUESDAY...Partly sunny. A slight chance of showers in the
afternoon. Highs in the upper 70s. Northeast winds around 5 mph.
Chance of rain 20 percent.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. A 20 percent chance
of showers. Lows in the mid 50s. Highs in the mid 80s.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A chance of showers, mainly in the evening. Lows
in the lower 50s. Chance of rain 30 percent.
.THURSDAY...Mostly sunny. Cooler with highs in the lower 70s.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows in the
lower 50s. Highs in the lower 80s.

$$