Zone Forecast Product
Issued by NWS St. Louis, MO

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539
FPUS53 KLSX 251828
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
127 PM CDT Tue Aug 25 2026

ILZ100-101-MOZ061-063-064-260200-
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
127 PM CDT Tue Aug 25 2026

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

$$

MOZ042-049-050-260200-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
127 PM CDT Tue Aug 25 2026

.THIS AFTERNOON...Mostly sunny. Near steady temperature in the
mid 80s. Southeast winds around 5 mph.
.TONIGHT...Mostly cloudy. Lows in the upper 60s. Southeast winds
around 5 mph.
.WEDNESDAY...Partly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Southwest winds around
5 mph, becoming northwest in the afternoon. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds around 5 mph.
.THURSDAY...Sunny. Highs in the mid 80s. North winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Mostly clear. Lows around 60.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs in the mid
80s. Lows in the mid 60s.
.SUNDAY...Mostly sunny. Highs in the lower 90s.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the lower 70s.
.MONDAY...Mostly sunny. Highs around 90.

$$

MOZ041-047-048-260200-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
127 PM CDT Tue Aug 25 2026

.THIS AFTERNOON...Partly sunny. Highs in the upper 80s. Southeast
winds around 5 mph.
.TONIGHT...Mostly cloudy. Lows in the upper 60s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Southwest winds around
5 mph, becoming northwest around 5 mph in the afternoon. Chance
of rain 20 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
around 5 mph.
.THURSDAY...Sunny. Highs in the mid 80s. North winds around
5 mph.
.THURSDAY NIGHT AND FRIDAY...Clear. Lows in the lower 60s. Highs
in the mid 80s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs in the upper
80s. Lows in the upper 60s.
.SUNDAY...Mostly sunny. Highs in the mid 90s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s.
.MONDAY...Mostly sunny. Highs in the lower 90s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-260200-
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
127 PM CDT Tue Aug 25 2026

.THIS AFTERNOON...Partly sunny. Near steady temperature in the
lower 80s. Southeast winds around 5 mph.
.TONIGHT...Mostly cloudy in the evening, then becoming partly
cloudy. Lows in the upper 60s. South winds around 5 mph.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. West
winds 5 to 10 mph with gusts up to 20 mph. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the mid 80s. North winds 5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Clear. Lows around 60. Highs in the
mid 80s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs in the mid
80s. Lows in the upper 60s.
.SUNDAY...Mostly sunny. Highs in the lower 90s.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. A slight chance of
showers and thunderstorms. Lows in the lower 70s. Highs around
90. Chance of rain 20 percent.

$$

ILZ069-070-074-260200-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
127 PM CDT Tue Aug 25 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the lower
80s. East winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Lows in the upper 60s. Light and variable winds.
.WEDNESDAY...Mostly sunny. Highs in the upper 80s. Southwest
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of thunderstorms. A chance of
showers, mainly in the evening. Lows in the mid 60s. West winds
around 5 mph in the evening, becoming light and variable. Chance
of rain 40 percent.
.THURSDAY...Mostly sunny. Highs in the mid 80s. North winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s.
.FRIDAY AND FRIDAY NIGHT...Clear. Highs in the mid 80s. Lows in
the lower 60s.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the upper 80s.
Lows in the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 70s.
.MONDAY...Mostly sunny. Highs in the lower 90s.

$$

MOZ074-084-085-099-260200-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
127 PM CDT Tue Aug 25 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the mid 80s.
Southeast winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
a slight chance of showers after midnight. Lows in the upper 60s.
Southeast winds around 5 mph in the evening, becoming light and
variable. Chance of rain 20 percent.
.WEDNESDAY...Partly sunny. A chance of showers and thunderstorms,
mainly in the morning. Highs in the upper 80s. South winds around
5 mph. Chance of rain 40 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy with a slight
chance of showers after midnight. Lows in the mid 60s. West winds
around 5 mph in the evening, becoming light and variable. Chance
of rain 50 percent.
.THURSDAY...Sunny. Highs in the mid 80s. North winds around
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY AND FRIDAY NIGHT...Clear. Highs in the mid 80s. Lows in
the upper 50s.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the mid
80s. Lows in the lower 60s.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs around 90. Lows in
the upper 60s.

$$

MOZ051-052-060-260200-
Montgomery MO-Lincoln MO-Warren MO-
127 PM CDT Tue Aug 25 2026

.THIS AFTERNOON...Mostly sunny. Near steady temperature in the
mid 80s. Southeast winds around 5 mph.
.TONIGHT...Mostly cloudy. Lows in the upper 60s. Southeast winds
around 5 mph in the evening, becoming light and variable.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Southwest
winds around 5 mph, becoming west around 5 mph in the afternoon.
Chance of rain 20 percent.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Lows in the lower 60s. Northwest winds around 5 mph in
the evening, becoming light and variable. Chance of rain
20 percent.
.THURSDAY...Sunny. Highs in the mid 80s. North winds around
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Sunny. Highs in the mid 80s.
.FRIDAY NIGHT...Mostly clear. Lows around 60.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs in the mid
80s. Lows in the mid 60s.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs in the lower 90s.
Lows around 70. Heat index values up to 100.

$$

ILZ058-059-098-099-260200-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
127 PM CDT Tue Aug 25 2026

.THIS AFTERNOON...Mostly sunny. Near steady temperature in the
lower 80s. Southeast winds around 5 mph.
.TONIGHT...Mostly cloudy. Lows in the upper 60s. Southeast winds
around 5 mph.
.WEDNESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Southwest
winds 5 to 10 mph. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms in the evening, then mostly clear after
midnight. Lows in the lower 60s. Northwest winds around 5 mph.
Chance of rain 20 percent.
.THURSDAY...Sunny. Highs in the mid 80s. North winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Sunny. Highs in the mid 80s.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows around 60. Highs
in the mid 80s.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 60s.
Highs in the lower 90s.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 70s.
Highs in the lower 90s.

$$

ILZ060-064-065-260200-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
127 PM CDT Tue Aug 25 2026

.THIS AFTERNOON...Sunny. Near steady temperature in the lower
80s. Southeast winds around 5 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Lows in the mid 60s. East winds around 5 mph in the
evening, becoming light and variable.
.WEDNESDAY...Mostly sunny. Highs in the upper 80s. Southwest
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
Lows in the mid 60s. West winds around 5 mph in the evening,
becoming light and variable. Chance of rain 30 percent.
.THURSDAY...Sunny. Highs in the mid 80s. North winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY AND FRIDAY NIGHT...Clear. Highs in the mid 80s. Lows
around 60.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the upper 80s.
Lows in the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows around 70.
.MONDAY...Mostly sunny. Highs in the lower 90s.

$$

ILZ079-MOZ075-260200-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
127 PM CDT Tue Aug 25 2026

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

$$

MOZ059-062-072-073-260200-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
127 PM CDT Tue Aug 25 2026

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

$$

ILZ102-MOZ065-260200-
Monroe IL-Jefferson MO-
127 PM CDT Tue Aug 25 2026

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

$$