389
FPUS53 KLSX 211148
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
647 AM CDT MON SEP 21 2026
ILZ100-101-MOZ061-063-064-211900-
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
648 AM CDT MON SEP 21 2026
TODAY
CLOUDY. PATCHY FOG THIS MORNING. A SLIGHT CHANCE OF
SHOWERS THIS AFTERNOON. MUCH COOLER WITH HIGHS IN THE MID 70S.
NORTH WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE MID 50S. HIGHS IN THE MID 70S.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MOZ042-049-050-211900-
AUDRAIN MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
648 AM CDT MON SEP 21 2026
TODAY
PATCHY FOG THIS MORNING. CLOUDY. MUCH COOLER WITH HIGHS
IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
TONIGHT
CLOUDY. LOWS AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS AROUND 70. NORTHEAST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE LOWER 50S. NORTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER
70S. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 70S.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.
MOZ041-047-048-211900-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
648 AM CDT MON SEP 21 2026
TODAY
CLOUDY. A SLIGHT CHANCE OF SHOWERS THIS MORNING. PATCHY
FOG THIS MORNING. MUCH COOLER WITH HIGHS IN THE LOWER 70S.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT.
TONIGHT
CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
70S. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF
RAIN 20 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN PARTLY SUNNY IN THE
AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 30 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SHOWERS. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
ILZ095>097-MOZ018-019-026-027-034>036-211900-
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
648 AM CDT MON SEP 21 2026
TODAY
PATCHY FOG THIS MORNING. CLOUDY, COOLER WITH HIGHS IN
THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
TONIGHT
CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF
RAIN 20 PERCENT.
TUESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE LOWER 50S. NORTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 70. NORTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. HIGHS AROUND
70.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.
ILZ069-070-074-211900-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
648 AM CDT MON SEP 21 2026
TODAY
MOSTLY CLOUDY. MUCH COOLER WITH HIGHS IN THE UPPER 70S.
NORTH WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. COOLER WITH LOWS AROUND 60. NORTHEAST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTHEAST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE MID 50S. HIGHS IN THE UPPER 70S.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S.
MOZ074-084-085-099-211900-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
648 AM CDT MON SEP 21 2026
TODAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS THIS MORNING,
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. MUCH
COOLER WITH HIGHS IN THE LOWER 80S. NORTH WINDS AROUND 5 MPH.
CHANCE OF RAIN 40 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE EVENING. LOWS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.
CHANCE OF RAIN 40 PERCENT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
THURSDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS IN THE MID 50S.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MOZ051-052-060-211900-
MONTGOMERY MO-LINCOLN MO-WARREN MO-
648 AM CDT MON SEP 21 2026
TODAY
PATCHY FOG THIS MORNING. CLOUDY. MUCH COOLER WITH HIGHS
IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS AROUND 70. NORTHEAST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE LOWER 50S. NORTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER
70S. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE
LOWER 70S.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS AROUND 80. CHANCE OF RAIN 20 PERCENT.
ILZ058-059-098-099-211900-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
648 AM CDT MON SEP 21 2026
TODAY
PATCHY FOG THIS MORNING. CLOUDY. MUCH COOLER WITH HIGHS
IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE LOWER 50S. HIGHS IN THE MID 70S.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
ILZ060-064-065-211900-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
648 AM CDT MON SEP 21 2026
TODAY
PATCHY FOG THIS MORNING. CLOUDY. MUCH COOLER WITH HIGHS
IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE LOWER 50S. HIGHS IN THE MID 70S.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS AROUND 80.
ILZ079-MOZ075-211900-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
648 AM CDT MON SEP 21 2026
TODAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS THIS
AFTERNOON. MUCH COOLER WITH HIGHS AROUND 80. NORTH WINDS 5 TO
10 MPH. CHANCE OF RAIN 20 PERCENT.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS IN THE MID 50S.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MOZ059-062-072-073-211900-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
648 AM CDT MON SEP 21 2026
TODAY
MOSTLY CLOUDY. PATCHY FOG THIS MORNING. A SLIGHT CHANCE
OF SHOWERS THIS AFTERNOON. MUCH COOLER WITH HIGHS IN THE MID 70S.
NORTH WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
70S. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE
MID 70S.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.
ILZ102-MOZ065-211900-
MONROE IL-JEFFERSON MO-
648 AM CDT MON SEP 21 2026
TODAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS THIS
AFTERNOON. MUCH COOLER WITH HIGHS IN THE UPPER 70S. NORTH WINDS
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTHEAST WINDS
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE
MID 50S. HIGHS IN THE MID 70S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
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