178
FPUS53 KLSX 271828
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
128 PM CDT THU AUG 27 2026
ILZ100-101-MOZ061-063-064-280200-
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
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE MID 80S.
NORTH WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE MID 90S.
SUNDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. HOT. LOWS IN THE
MID 70S. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 105.
MOZ042-049-050-280200-
AUDRAIN MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
80S. NORTH WINDS 5 TO 10 MPH.
TONIGHT
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. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
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 THROUGH WEDNESDAY
MOSTLY CLEAR. HOT. LOWS IN THE
MID 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 100.
MOZ041-047-048-280200-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
80S. NORTH WINDS AROUND 5 MPH.
TONIGHT
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 MID 60S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLEAR. HOT. LOWS IN
THE MID 70S. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 100.
MONDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. HOT. LOWS IN THE
MID 70S. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 105.
ILZ095>097-MOZ018-019-026-027-034>036-280200-
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
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
80S. NORTH WINDS AROUND 5 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTH WINDS AROUND 5 MPH
IN THE EVENING, BECOMING LIGHT AND VARIABLE.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. LIGHT AND VARIABLE WINDS.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH WITH GUSTS UP TO 20 MPH.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 90S.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 70S.
MONDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HOT WITH HIGHS IN THE MID 90S.
CHANCE OF RAIN 20 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 70S.
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 100.
TUESDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 70S. CHANCE OF RAIN
20 PERCENT.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO
100.
ILZ069-070-074-280200-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE MID 80S.
NORTHWEST WINDS AROUND 5 MPH.
TONIGHT
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. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 90S.
SUNDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. HOT. LOWS IN THE
MID 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.
MOZ074-084-085-099-280200-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE MID 80S.
NORTH WINDS AROUND 5 MPH.
TONIGHT
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. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS IN THE
UPPER 60S. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.
MOZ051-052-060-280200-
MONTGOMERY MO-LINCOLN MO-WARREN MO-
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
80S. NORTH WINDS AROUND 5 MPH.
TONIGHT
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.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 60S. LIGHT AND VARIABLE WINDS, BECOMING
SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
AROUND 5 MPH.
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 THROUGH WEDNESDAY
MOSTLY CLEAR. HOT. LOWS IN THE
MID 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.
ILZ058-059-098-099-280200-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
80S. NORTH WINDS 5 TO 10 MPH.
TONIGHT
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
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HOT. HIGHS IN THE MID
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 100.
ILZ060-064-065-280200-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
80S. NORTH WINDS AROUND 5 MPH.
TONIGHT
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. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 90S.
SUNDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. HOT. LOWS IN THE
MID 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 100.
ILZ079-MOZ075-280200-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE MID 80S.
NORTH WINDS 5 TO 10 MPH.
TONIGHT
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
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT THROUGH MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. HOT. LOWS IN THE
MID 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.
MOZ059-062-072-073-280200-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
80S. NORTH WINDS AROUND 5 MPH.
TONIGHT
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. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT AND
VARIABLE WINDS.
SATURDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND
5 MPH.
SATURDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS IN THE
LOWER 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.
ILZ102-MOZ065-280200-
MONROE IL-JEFFERSON MO-
128 PM CDT THU AUG 27 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE MID 80S.
NORTH WINDS AROUND 5 MPH.
TONIGHT
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. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT THROUGH MONDAY
MOSTLY CLEAR. HOT. LOWS IN THE
UPPER 60S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 100.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLEAR. HOT. LOWS IN THE
MID 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.
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