641
FPUS53 KLSX 261023
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
523 AM CDT WED AUG 26 2026
ILZ100-101-MOZ061-063-064-261800-
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
523 AM CDT WED AUG 26 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND
5 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP TO 100.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN
THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST 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 MID 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
MID 60S. HIGHS IN THE UPPER 80S.
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.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S.
MOZ042-049-050-261800-
AUDRAIN MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
523 AM CDT WED AUG 26 2026
TODAY
SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS 5 TO
10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
CLEAR. LOWS AROUND 60. NORTH WINDS AROUND 5 MPH
IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE LOWER 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 THROUGH SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
UPPER 60S. HIGHS IN THE LOWER 90S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLEAR
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
LOWS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS AROUND 90. CHANCE OF RAIN 20 PERCENT.
MOZ041-047-048-261800-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
523 AM CDT WED AUG 26 2026
TODAY
PATCHY FOG THIS MORNING. SUNNY. HIGHS AROUND 90.
NORTHWEST WINDS 5 TO 10 MPH.
TONIGHT
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
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. LIGHT AND VARIABLE WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
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
LOWER 70S. HIGHS IN THE LOWER 90S.
MONDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE
LOWER 90S. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO
100.
ILZ095>097-MOZ018-019-026-027-034>036-261800-
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
523 AM CDT WED AUG 26 2026
TODAY
PATCHY FOG THIS MORNING. SUNNY. HIGHS IN THE UPPER 80S.
WEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
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
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. LIGHT AND VARIABLE WINDS,
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. 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
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
LOWS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
MONDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS IN THE LOWER 90S. CHANCE OF
RAIN 20 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. CHANCE OF
RAIN 40 PERCENT.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS AROUND 90. CHANCE OF RAIN
20 PERCENT.
ILZ069-070-074-261800-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
523 AM CDT WED AUG 26 2026
TODAY
MOSTLY SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND
5 MPH.
TONIGHT
PARTLY CLOUDY WITH ISOLATED 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 20 PERCENT.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. NORTH 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 THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
MID 60S. HIGHS IN THE MID 80S.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER
90S. LOWS IN THE LOWER 70S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX
VALUES UP TO 100.
MOZ074-084-085-099-261800-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
523 AM CDT WED AUG 26 2026
TODAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS
THIS MORNING, THEN PARTLY SUNNY WITH ISOLATED SHOWERS AND
THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE UPPER 80S. LIGHT AND
VARIABLE WINDS, BECOMING SOUTHWEST AROUND 5 MPH THIS AFTERNOON.
CHANCE OF RAIN 50 PERCENT.
TONIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS
IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS IN THE MID
60S. LIGHT AND VARIABLE WINDS. 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. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 80S.
SUNDAY NIGHT THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.
MOZ051-052-060-261800-
MONTGOMERY MO-LINCOLN MO-WARREN MO-
523 AM CDT WED AUG 26 2026
TODAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND
5 MPH, BECOMING WEST THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. 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
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. LIGHT AND VARIABLE WINDS,
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
80S. LOWS IN THE MID 60S.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 90S.
LOWS IN THE LOWER 70S.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 100.
ILZ058-059-098-099-261800-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
523 AM CDT WED AUG 26 2026
TODAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS THIS
AFTERNOON. HIGHS AROUND 90. SOUTH WINDS AROUND 5 MPH, BECOMING
WEST THIS AFTERNOON. CHANCE OF RAIN 20 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING 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
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS 5 TO 10 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
80S. LOWS IN THE MID 60S.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 90S.
LOWS IN THE LOWER 70S.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.
LOWS IN THE LOWER 70S.
ILZ060-064-065-261800-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
523 AM CDT WED AUG 26 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
TONIGHT
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
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 80S.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S.
LOWS AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
LOWS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
ILZ079-MOZ075-261800-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
523 AM CDT WED AUG 26 2026
TODAY
PARTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS THIS
MORNING. HIGHS AROUND 90. SOUTH WINDS AROUND 5 MPH. CHANCE OF
RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 102 THIS AFTERNOON.
TONIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS
IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. WEST 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 MID 60S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 80S.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 70S. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX
VALUES UP TO 100.
MOZ059-062-072-073-261800-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
523 AM CDT WED AUG 26 2026
TODAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS THIS
MORNING. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH,
BECOMING WEST THIS AFTERNOON. CHANCE OF RAIN 20 PERCENT. HEAT
INDEX VALUES UP TO 100 THIS AFTERNOON.
TONIGHT
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
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS
IN THE MID 80S.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 90S.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 70S. HIGHS IN THE LOWER 90S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX
VALUES UP TO 100.
ILZ102-MOZ065-261800-
MONROE IL-JEFFERSON MO-
523 AM CDT WED AUG 26 2026
TODAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS THIS
MORNING. HIGHS AROUND 90. SOUTH WINDS AROUND 5 MPH, BECOMING WEST
AROUND 5 MPH THIS AFTERNOON. CHANCE OF RAIN 20 PERCENT. HEAT
INDEX VALUES UP TO 103 THIS AFTERNOON.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN
THE MID 60S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 80S.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
90S. LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 100.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 105.
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