747
FPUS53 KLSX 212023
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
323 PM CDT Fri Aug 21 2026

ILZ100-101-MOZ061-063-064-220400-
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
323 PM CDT Fri Aug 21 2026

.TONIGHT...Mostly clear. Lows in the upper 60s. Southwest winds
around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
5 to 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY THROUGH TUESDAY...Mostly cloudy. Highs in the lower 80s.
Lows in the mid 60s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.WEDNESDAY...Partly sunny. Highs in the upper 80s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in
the upper 60s. Highs in the upper 80s.
.FRIDAY...Mostly sunny. Highs in the upper 80s.

$$

MOZ042-049-050-220400-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
323 PM CDT Fri Aug 21 2026

.TONIGHT...Mostly clear. Lows in the upper 60s. Northwest winds
around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. North winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds around 5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East winds
around 5 mph.
.MONDAY...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.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 60s.
.TUESDAY...Partly sunny. Highs in the mid 80s.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the upper
60s. Highs in the mid 80s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in
the mid 60s. Highs in the mid 80s.
.FRIDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the mid 80s. Chance of rain 20 percent.

$$

MOZ041-047-048-220400-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
323 PM CDT Fri Aug 21 2026

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

$$

ILZ095>097-MOZ018-019-026-027-034>036-220400-
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
323 PM CDT Fri Aug 21 2026

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

$$

ILZ069-070-074-220400-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
323 PM CDT Fri Aug 21 2026

.TONIGHT...Mostly clear. Lows in the upper 60s. Light and
variable winds, becoming southwest around 5 mph after midnight.
.SATURDAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.SUNDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs in the lower 80s.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows in the mid 60s.
Highs in the mid 80s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.WEDNESDAY...Partly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in
the upper 60s. Highs in the upper 80s.
.FRIDAY...Mostly sunny. Highs in the upper 80s.

$$

MOZ074-084-085-099-220400-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
323 PM CDT Fri Aug 21 2026

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

$$

MOZ051-052-060-220400-
Montgomery MO-Lincoln MO-Warren MO-
323 PM CDT Fri Aug 21 2026

.TONIGHT...Mostly clear. Lows in the upper 60s. Light and
variable winds, becoming northwest around 5 mph after midnight.
.SATURDAY...Sunny. Highs in the mid 80s. Northwest winds around
5 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds around 5 mph in the evening, becoming light and variable.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Light and
variable winds, becoming north around 5 mph in the afternoon.
.SUNDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 60s. Light and variable winds.
.MONDAY...Partly sunny with a slight chance of showers in the
morning, then mostly cloudy in the afternoon. Highs around 80.
Chance of rain 20 percent.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows in the mid 60s.
Highs in the mid 80s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s.
.WEDNESDAY...Partly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in
the mid 60s. Highs in the mid 80s.
.FRIDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the mid 80s. Chance of rain 20 percent.

$$

ILZ058-059-098-099-220400-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
323 PM CDT Fri Aug 21 2026

.TONIGHT...Mostly clear. Lows in the upper 60s. Southwest winds
around 5 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds 5 to 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY THROUGH TUESDAY...Mostly cloudy. Highs in the lower 80s.
Lows in the lower 60s.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the mid
60s. Highs in the mid 80s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid
60s. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.FRIDAY...Mostly sunny. A slight chance of showers in the
morning. Highs in the mid 80s. Chance of rain 20 percent.

$$

ILZ060-064-065-220400-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
323 PM CDT Fri Aug 21 2026

.TONIGHT...Mostly clear this evening, then partly cloudy with a
slight chance of showers and thunderstorms after midnight. Lows
in the upper 60s. Southwest winds around 5 mph. Chance of rain
20 percent.
.SATURDAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest
winds 5 to 10 mph.
.SUNDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs around 80.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows in the lower 60s.
Highs in the lower 80s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.WEDNESDAY...Partly sunny. Highs in the mid 80s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in
the mid 60s. Highs in the mid 80s.
.FRIDAY...Mostly sunny. Highs in the mid 80s.

$$

ILZ079-MOZ075-220400-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
323 PM CDT Fri Aug 21 2026

.TONIGHT...Mostly clear. Lows in the upper 60s. Light and
variable winds, becoming southwest around 5 mph after midnight.
.SATURDAY...Sunny. Highs in the mid 80s. Northwest winds 5 to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. Northwest
winds around 5 mph.
.SUNDAY...Sunny. Highs in the lower 80s. North winds around
5 mph.
.SUNDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 60s. Northeast winds around
5 mph in the evening, becoming light and variable.
.MONDAY...Partly sunny. Highs in the lower 80s.
.MONDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
20 percent.
.TUESDAY...Mostly sunny. Highs in the mid 80s.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the upper 60s. Chance of rain 20 percent.
.WEDNESDAY...Partly sunny. Highs in the upper 80s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 60s.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the upper 80s.
Lows in the mid 60s.

$$

MOZ059-062-072-073-220400-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
323 PM CDT Fri Aug 21 2026

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

$$

ILZ102-MOZ065-220400-
Monroe IL-Jefferson MO-
323 PM CDT Fri Aug 21 2026

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

$$