848
FPUS53 KLSX 191828
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
127 PM CDT SAT SEP 19 2026
ILZ100-101-MOZ061-063-064-200200-
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
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
PARTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE MID 90S. WEST WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. WEST
WINDS AROUND 5 MPH. CHANCE OF RAIN 20 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 UPPER 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 AROUND 80. NORTHEAST
WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. LOWS AROUND 60. CHANCE OF RAIN
50 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE LOWER
70S. LOWS IN THE MID 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 70S. LOWS IN THE MID 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 UPPER 70S.
MOZ049-200200-
OSAGE MO-
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID
90S. SOUTHWEST WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 90S. WEST WINDS AROUND 5 MPH. CHANCE
OF RAIN 20 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
SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. COOLER
WITH HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH,
BECOMING NORTH IN THE AFTERNOON. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS AROUND 70.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 70S. LOWS IN THE LOWER 50S.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE MID
70S. LOWS IN THE UPPER 50S.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 70S.
MOZ042-050-200200-
AUDRAIN MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
127 PM CDT SAT SEP 19 2026
THIS AFTERNOON
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE
LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING, THEN
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH. CHANCE OF RAIN
40 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 90 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. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE MID 50S. CHANCE OF RAIN 20 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE UPPER
60S. LOWS AROUND 50.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 70.
LOWS IN THE LOWER 50S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.
MOZ047-048-200200-
MONITEAU MO-COLE MO-
INCLUDING THE CITY OF JEFFERSON CITY
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID
90S. SOUTHWEST WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS
AROUND 90. WEST WINDS AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT.
LOWS IN THE UPPER 60S. NORTH 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 UPPER 70S. NORTH
WINDS AROUND 5 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 70S.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE MID 50S. HIGHS IN THE MID 70S.
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 UPPER 70S.
MOZ041-200200-
BOONE MO-
INCLUDING THE CITY OF COLUMBIA
127 PM CDT SAT SEP 19 2026
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE MID 90S. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING, THEN
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 80S. WEST WINDS AROUND 5 MPH. CHANCE OF RAIN
40 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 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. NORTH WINDS 5 TO 10 MPH. CHANCE OF
RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE UPPER
60S. LOWS IN THE LOWER 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 70S. LOWS IN THE LOWER 50S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS, MAINLY IN THE
MORNING. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 30 PERCENT.
ILZ095>097-MOZ018-019-026-027-034>036-200200-
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
127 PM CDT SAT SEP 19 2026
THIS AFTERNOON
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE AROUND
90. SOUTHWEST WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH,
BECOMING WEST AROUND 5 MPH AFTER MIDNIGHT. CHANCE OF RAIN
50 PERCENT.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. COOLER WITH HIGHS IN THE LOWER 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 AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP
TO 20 MPH. CHANCE OF RAIN 90 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS, COOLER WITH
HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP
TO 20 MPH. CHANCE OF RAIN 90 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS, MAINLY IN THE
EVENING. LOWS IN THE MID 50S. CHANCE OF RAIN 50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY SUNNY IN THE AFTERNOON. HIGHS IN THE MID
60S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
UPPER 60S. LOWS IN THE LOWER 50S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
ILZ069-070-074-200200-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY WITH ISOLATED SHOWERS. HOT. NEAR
STEADY TEMPERATURE IN THE MID 90S. WEST WINDS AROUND 5 MPH.
CHANCE OF RAIN 20 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. WEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT. LOWS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
CHANCE OF RAIN 70 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
COOLER WITH HIGHS IN THE LOWER 80S. NORTHEAST WINDS 5 TO 10 MPH.
CHANCE OF RAIN 50 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 60. CHANCE OF RAIN
50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY SUNNY IN THE AFTERNOON. HIGHS IN THE LOWER
70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
70S. LOWS IN THE MID 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 UPPER 70S.
MOZ074-084-085-099-200200-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID
90S. SOUTHWEST WINDS AROUND 5 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. 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 SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S.
NORTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.
MONDAY
PARTLY SUNNY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
NORTHEAST WINDS AROUND 5 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 AROUND 60.
CHANCE OF RAIN 20 PERCENT.
TUESDAY
PARTLY SUNNY. COOLER WITH HIGHS IN THE MID 70S.
TUESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE MID 50S. HIGHS IN THE MID 70S.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 70S.
MOZ060-200200-
WARREN MO-
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
PARTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE MID 90S. SOUTHWEST WINDS AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 70. LIGHT AND VARIABLE
WINDS, BECOMING WEST AROUND 5 MPH AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S.
WEST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 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
90 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. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE UPPER
60S. LOWS IN THE LOWER 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 70S. 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 MID 50S. HIGHS IN THE UPPER 70S.
MOZ051-052-200200-
MONTGOMERY MO-LINCOLN MO-
127 PM CDT SAT SEP 19 2026
THIS AFTERNOON
PARTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE MID 90S. SOUTHWEST WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND 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 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. COOLER WITH HIGHS IN THE MID 70S.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. 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 IN THE UPPER
60S. LOWS IN THE LOWER 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 70S. 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 MID 50S. HIGHS IN THE UPPER 70S.
ILZ058-059-098-099-200200-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
127 PM CDT SAT SEP 19 2026
THIS AFTERNOON
MOSTLY CLOUDY. HOT. NEAR STEADY TEMPERATURE IN
THE LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS AROUND
5 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S. WEST 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 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 50 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 AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 70S. 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 MID 50S. HIGHS IN THE UPPER 70S.
ILZ060-065-200200-
MONTGOMERY IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
127 PM CDT SAT SEP 19 2026
THIS AFTERNOON
PARTLY SUNNY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE LOWER 90S.
SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 70. SOUTH WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 90S. WEST 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 UPPER 70S.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S.
TUESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY SUNNY IN THE AFTERNOON. HIGHS IN THE LOWER
70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 70S. 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 MID 50S. HIGHS IN THE UPPER 70S.
ILZ064-200200-
BOND IL-
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
PARTLY SUNNY WITH ISOLATED SHOWERS. HOT. NEAR
STEADY TEMPERATURE IN THE MID 90S. SOUTHWEST WINDS AROUND 5 MPH.
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 101.
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 AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. WEST
WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
LOWS IN THE MID 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 UPPER 70S.
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF RAIN
50 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE LOWER
70S. LOWS IN THE LOWER 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 70S. LOWS IN THE MID 50S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S.
ILZ079-MOZ075-200200-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE UPPER 90S. SOUTHWEST WINDS AROUND 5 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. WEST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S.
NORTHEAST 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 MID 80S. NORTHEAST WINDS 5 TO 10 MPH.
CHANCE OF RAIN 70 PERCENT.
MONDAY 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 AROUND 60. CHANCE OF RAIN
50 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS IN THE MID 50S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS IN THE MID
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 WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 70S.
MOZ059-062-072-073-200200-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE MID 90S. SOUTHWEST WINDS AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 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 WITH A SLIGHT CHANCE OF THUNDERSTORMS.
COOLER WITH HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH. CHANCE
OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 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 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 WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 70S.
ILZ102-MOZ065-200200-
MONROE IL-JEFFERSON MO-
127 PM CDT SAT SEP 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
THIS AFTERNOON
MOSTLY SUNNY. HOT. NEAR STEADY TEMPERATURE IN
THE MID 90S. SOUTHWEST WINDS AROUND 5 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS AROUND
5 MPH. HEAT INDEX VALUES UP TO 100.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY WITH
A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. COOLER WITH HIGHS IN
THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN
70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF RAIN
50 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 LOWER 50S.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 70S.
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