257
FPUS53 KLSX 190953
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
453 AM CDT SAT SEP 19 2026
ILZ100-101-MOZ061-063-064-191700-
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
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST
WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. WEST
WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. COOLER WITH HIGHS IN THE UPPER 70S. NORTHEAST WINDS
10 TO 15 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. CHANCE OF RAIN 20 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE LOWER
70S. LOWS IN THE MID 50S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS IN THE MID
70S. LOWS IN THE MID 50S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S.
MOZ049-191700-
OSAGE MO-
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST
WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 90. WEST WINDS
AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT.
LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN
80 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. COOLER WITH HIGHS IN THE MID 70S.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. HIGHS AROUND 70.
TUESDAY NIGHT THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
FRIDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
MOZ042-050-191700-
AUDRAIN MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
453 AM CDT SAT SEP 19 2026
TODAY
PARTLY SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS 5 TO
10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY 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.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT. LOWS IN
THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN
90 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. MUCH COOLER WITH HIGHS AROUND 70.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE MID 50S.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. HIGHS IN THE MID 60S.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE LOWER 50S. HIGHS AROUND 70.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE LOWER
70S. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
MOZ047-048-191700-
MONITEAU MO-COLE MO-
INCLUDING THE CITY OF JEFFERSON CITY
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST
WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN MOSTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS
IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN
20 PERCENT.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 90. WEST WINDS
AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
A CHANCE OF THUNDERSTORMS. SHOWERS. LOWS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN
90 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. COOLER WITH HIGHS IN THE MID 70S.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 60 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. HIGHS IN THE LOWER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
FRIDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.
MOZ041-191700-
BOONE MO-
INCLUDING THE CITY OF COLUMBIA
453 AM CDT SAT SEP 19 2026
TODAY
PARTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. SOUTHWEST
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND
70. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS. NOT AS WARM WITH HIGHS IN THE MID 80S.
NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
A CHANCE OF THUNDERSTORMS. SHOWERS. LOWS IN THE
MID 60S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 90 PERCENT.
MONDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON. COOLER
WITH HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE
OF RAIN 60 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. HIGHS IN THE UPPER 60S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
ILZ095>097-MOZ018-019-026-027-034>036-191700-
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
453 AM CDT SAT SEP 19 2026
TODAY
PARTLY SUNNY THIS MORNING, THEN BECOMING MOSTLY CLOUDY.
HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP
TO 20 MPH.
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT. CHANCE OF RAIN
50 PERCENT.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. COOLER WITH HIGHS AROUND 80. NORTH WINDS 5 TO
10 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP
TO 20 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON. COOLER
WITH HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH WITH
GUSTS UP TO 20 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE MID 60S.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE LOWER 50S. HIGHS IN THE UPPER 60S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
ILZ069-070-074-191700-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST
WINDS AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN
THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S.
WEST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
MONDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. COOLER
WITH HIGHS AROUND 80. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN
70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S. CHANCE OF
RAIN 40 PERCENT.
TUESDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S.
MOZ074-084-085-099-191700-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS
AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLEAR. LOWS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. WEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. NORTH
WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN PARTLY SUNNY WITH
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
COOLER WITH HIGHS IN THE LOWER 80S. NORTH WINDS AROUND 5 MPH.
CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.
TUESDAY
PARTLY SUNNY. COOLER WITH HIGHS IN THE LOWER 70S.
TUESDAY NIGHT THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 70S.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF RAIN 20 PERCENT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
MOZ060-191700-
WARREN MO-
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
PARTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. SOUTHWEST
WINDS AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY
PARTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S. WEST WINDS AROUND 5 MPH.
CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT.
LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN
80 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. COOLER WITH HIGHS IN THE MID 70S.
NORTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. HIGHS IN THE UPPER 60S.
TUESDAY NIGHT THROUGH THURSDAY
PARTLY CLOUDY. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
MOZ051-052-191700-
MONTGOMERY MO-LINCOLN MO-
453 AM CDT SAT SEP 19 2026
TODAY
PARTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. SOUTHWEST
WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS AROUND
5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S.
NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF
RAIN 80 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. COOLER WITH HIGHS IN THE LOWER 70S.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE MID 50S.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE UPPER
60S. LOWS IN THE LOWER 50S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS IN THE LOWER
70S. LOWS IN THE LOWER 50S.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
ILZ058-059-098-099-191700-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
453 AM CDT SAT SEP 19 2026
TODAY
PARTLY SUNNY THIS MORNING, THEN BECOMING MOSTLY CLOUDY.
HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. NORTHWEST
WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
CHANCE OF RAIN 70 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. COOLER WITH HIGHS IN THE MID 70S.
NORTHEAST WINDS 10 TO 15 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS IN THE MID 50S.
ILZ060-065-191700-
MONTGOMERY IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
453 AM CDT SAT SEP 19 2026
TODAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS THIS MORNING.
HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS AROUND 5 MPH.
CHANCE OF RAIN 20 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 90. NORTHWEST WINDS
5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
CHANCE OF RAIN 70 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY. MUCH
COOLER WITH HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS AROUND 70.
CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS IN THE MID 50S.
ILZ064-191700-
BOND IL-
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
SUNNY THIS MORNING, THEN BECOMING PARTLY SUNNY. HOT WITH
HIGHS IN THE MID 90S. SOUTHWEST WINDS AROUND 5 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. WEST
WINDS AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 60 PERCENT.
MONDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. COOLER
WITH HIGHS IN THE UPPER 70S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE
OF RAIN 70 PERCENT.
MONDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. CHANCE OF RAIN 20 PERCENT.
TUESDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS AROUND 70. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S.
ILZ079-MOZ075-191700-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST
WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN
THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. WEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. NORTH
WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
MONDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. COOLER
WITH HIGHS IN THE LOWER 80S. NORTH WINDS 5 TO 10 MPH. CHANCE OF
RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.
TUESDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S.
MOZ059-062-072-073-191700-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST
WINDS AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. WEST
WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S.
NORTH WINDS AROUND 5 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. COOLER
WITH HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH. CHANCE OF
RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE EVENING. LOWS
IN THE UPPER 50S. CHANCE OF RAIN 50 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS AROUND 70. LOWS
IN THE LOWER 50S.
WEDNESDAY THROUGH THURSDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
MID 70S. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
ILZ102-MOZ065-191700-
MONROE IL-JEFFERSON MO-
453 AM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TODAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST
WINDS AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S.
WEST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX
VALUES UP TO 100.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT. LOWS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. COOLER
WITH HIGHS AROUND 80. NORTH WINDS 5 TO 10 MPH. CHANCE OF RAIN
70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE EVENING. LOWS
IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE LOWER
70S. LOWS IN THE LOWER 50S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS IN THE MID
70S. LOWS IN THE LOWER 50S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S.
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