346
FPUS53 KLSX 250808
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
308 AM CDT TUE AUG 25 2026
ILZ100-101-MOZ061-063-064-251600-
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
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS AROUND
5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER
MIDNIGHT. LOWS IN THE UPPER 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 THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
MID 60S. HIGHS IN THE MID 80S.
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 MID 70S.
MONDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 100 IN THE AFTERNOON.
MOZ042-049-050-251600-
AUDRAIN MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND
5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 80S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S.
MONDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 90S. CHANCE OF RAIN 20 PERCENT.
MOZ041-047-048-251600-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 70. EAST WINDS AROUND
5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S. NORTH WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND
5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
MID 60S. HIGHS IN THE MID 80S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S.
SUNDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S.
MONDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HOT WITH HIGHS IN THE MID 90S. CHANCE OF RAIN
20 PERCENT. HEAT INDEX VALUES UP TO 105 IN THE AFTERNOON.
ILZ095>097-MOZ018-019-026-027-034>036-251600-
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
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS
5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 80S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
80S. LOWS AROUND 70.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE
LOWER 90S. CHANCE OF RAIN 20 PERCENT.
ILZ069-070-074-251600-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
308 AM CDT TUE AUG 25 2026
TODAY
SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT AND VARIABLE
WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS IN THE UPPER 60S. SOUTHWEST 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 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 AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 90S.
LOWS IN THE LOWER 70S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 100 IN THE AFTERNOON.
MOZ074-084-085-099-251600-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY
MOSTLY SUNNY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. LIGHT AND VARIABLE WINDS,
BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON. CHANCE OF RAIN
20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE
MID 60S. LIGHT AND VARIABLE WINDS. 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 LOWER 60S.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
80S. LOWS IN THE MID 60S.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S.
LOWS IN THE UPPER 60S. HEAT INDEX VALUES UP TO 100.
MOZ051-052-060-251600-
MONTGOMERY MO-LINCOLN MO-WARREN MO-
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 60S. NORTHWEST WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT AND VARIABLE.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND
5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 80S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
80S. 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 LOWER 90S. HEAT INDEX VALUES
UP TO 100 IN THE AFTERNOON.
ILZ058-059-098-099-251600-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH,
BECOMING WEST IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS IN THE MID 60S. NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN
20 PERCENT.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 80S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
80S. 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 LOWER 90S.
ILZ060-064-065-251600-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
308 AM CDT TUE AUG 25 2026
TODAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH.
TONIGHT
PARTLY 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
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
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 40 PERCENT.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 80S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 90S.
LOWS IN THE LOWER 70S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
ILZ079-MOZ075-251600-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS AROUND
5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH,
BECOMING SOUTHWEST IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT.
HEAT INDEX VALUES UP TO 100 IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE UPPER 60S.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
CHANCE OF RAIN 50 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 THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
MID 60S. HIGHS IN THE UPPER 80S.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S.
LOWS AROUND 70. HEAT INDEX VALUES UP TO 105.
MOZ059-062-072-073-251600-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH,
BECOMING WEST IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND 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
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 AND SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 80S.
SATURDAY NIGHT THROUGH MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.
ILZ102-MOZ065-251600-
MONROE IL-JEFFERSON MO-
308 AM CDT TUE AUG 25 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON. HEAT INDEX VALUES UP TO
100 IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN 40 PERCENT.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND
5 MPH.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE UPPER 80S.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 90S.
LOWS IN THE LOWER 70S.
MONDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 105 IN THE AFTERNOON.
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