Zone Forecast Product
Issued by NWS St. Louis, MO

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FPUS53 KLSX 200919
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
419 AM CDT Wed Aug 20 2025

ILZ100-101-MOZ061-063-064-201700-
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
419 AM CDT Wed Aug 20 2025

.TODAY...Mostly sunny. Highs in the upper 80s. Northeast winds
5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the mid 60s. Northeast winds
5 to 10 mph.
.THURSDAY...Sunny. Highs in the mid 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Northeast
winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 60s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the mid 50s.
Highs in the mid 70s.

$$

MOZ042-049-050-201700-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
419 AM CDT Wed Aug 20 2025

.TODAY...Mostly sunny. Highs in the upper 80s. Northeast winds
5 to 10 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Clear. Lows in the lower 60s. Northeast winds
5 to 10 mph.
.FRIDAY...Sunny. Highs in the mid 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 60s.
.SATURDAY...Mostly sunny. Highs in the mid 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the mid 70s.
Lows in the lower 50s.
.TUESDAY...Mostly sunny with a 20 percent chance of showers.
Highs in the lower 70s.

$$

MOZ041-047-048-201700-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
419 AM CDT Wed Aug 20 2025

.TODAY...Sunny. Highs in the upper 80s. Northeast winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows in the upper 60s. Northeast winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT...Clear. Lows in the lower 60s. Northeast winds
5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 60s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows in the
upper 50s. Highs in the lower 80s.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the mid 70s.
Lows in the lower 50s.
.TUESDAY...Mostly sunny with a 20 percent chance of showers.
Highs in the mid 70s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-201700-
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
419 AM CDT Wed Aug 20 2025

.TODAY...Mostly sunny. Patchy fog this morning. A slight chance
of showers and thunderstorms this afternoon. Highs in the mid
80s. Northeast winds around 5 mph. Chance of rain 20 percent.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
clear. Lows in the mid 60s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.FRIDAY...Sunny. Highs in the mid 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 60s.
Highs in the lower 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 50s.
Highs in the lower 70s.

$$

ILZ069-070-074-201700-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
419 AM CDT Wed Aug 20 2025

.TODAY...Mostly sunny. Highs in the mid 80s. Northeast winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows in the mid 60s. Northeast winds
5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Northeast
winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 50s.
Highs in the upper 70s.

$$

MOZ074-084-085-099-201700-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
419 AM CDT Wed Aug 20 2025

.TODAY...Patchy fog this morning. Mostly sunny. Highs in the
upper 80s. Northeast winds 5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the mid 60s. Northeast winds
around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. North winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the upper 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the upper 70s.
Lows in the lower 50s.
.TUESDAY...Mostly sunny with a 20 percent chance of showers.
Highs in the mid 70s.

$$

MOZ051-052-060-201700-
Montgomery MO-Lincoln MO-Warren MO-
419 AM CDT Wed Aug 20 2025

.TODAY...Mostly sunny. Highs in the mid 80s. Northeast winds 5 to
10 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
clear. Lows in the mid 60s. Northeast winds around 5 mph.
.THURSDAY...Sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Clear. Lows in the lower 60s. Northeast winds
around 5 mph in the evening, becoming light and variable.
.FRIDAY...Sunny. Highs in the mid 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 60s.
Highs in the mid 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the mid 70s.
Lows in the lower 50s.
.TUESDAY...Mostly sunny with a 20 percent chance of showers.
Highs in the lower 70s.

$$

ILZ058-059-098-099-201700-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
419 AM CDT Wed Aug 20 2025

.TODAY...Patchy fog this morning. Mostly sunny. Highs in the mid
80s. Northeast winds 5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. Northeast winds
5 to 10 mph.
.THURSDAY...Sunny. Highs in the lower 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the mid 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 60s.
Highs in the mid 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 50s.
Highs in the lower 70s.

$$

ILZ060-064-065-201700-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
419 AM CDT Wed Aug 20 2025

.TODAY...Mostly sunny. Highs in the mid 80s. Northeast winds 5 to
10 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. Northeast winds
5 to 10 mph.
.THURSDAY...Sunny. Highs in the mid 80s. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the mid 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SATURDAY...Mostly sunny. Highs in the mid 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 50s.
Highs around 80.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 50s.
Highs in the mid 70s.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 50s.
Highs in the mid 70s.

$$

ILZ079-MOZ075-201700-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
419 AM CDT Wed Aug 20 2025

.TODAY...Patchy fog this morning. Mostly sunny. Highs in the
upper 80s. Northeast winds 5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the mid 60s. Northeast winds
5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 80s. North winds
5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 80s. North winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SATURDAY...Mostly sunny. Highs around 90.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the upper 70s.
Lows in the mid 50s.
.TUESDAY...Mostly sunny. A slight chance of showers in the
afternoon. Highs in the upper 70s. Chance of rain 20 percent.

$$

MOZ059-062-072-073-201700-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
419 AM CDT Wed Aug 20 2025

.TODAY...Partly sunny this morning, then clearing. Patchy fog
this morning. Highs in the upper 80s. Northeast winds 5 to
10 mph.
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 60s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. Northeast winds
around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the lower 60s. Northeast winds
around 5 mph in the evening, becoming light and variable.
.FRIDAY...Sunny. Highs in the upper 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows in the
upper 50s. Highs in the lower 80s.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the mid 70s.
Lows in the lower 50s.
.TUESDAY...Mostly sunny with a 20 percent chance of showers.
Highs in the mid 70s.

$$

ILZ102-MOZ065-201700-
Monroe IL-Jefferson MO-
419 AM CDT Wed Aug 20 2025

.TODAY...Mostly sunny. Highs in the upper 80s. Northeast winds
5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the mid 60s. Northeast winds
5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 80s. North winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Northeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the upper 80s. Northeast winds around
5 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 60s.
.SATURDAY...Mostly sunny. Highs in the upper 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the upper 70s.
Lows in the mid 50s.
.TUESDAY...Mostly sunny. A slight chance of showers in the
afternoon. Highs in the upper 70s. Chance of rain 20 percent.

$$