734
FPUS53 KLSX 171758
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
1258 PM CDT THU SEP 17 2026
ILZ100-101-MOZ061-063-064-180100-
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
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT WITH HIGHS IN THE UPPER 90S. WEST WINDS 5 TO
10 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 106.
TONIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. HUMID WITH LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 104 EARLY IN
THE EVENING.
FRIDAY
SUNNY. PATCHY FOG IN THE MORNING. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HOT WITH HIGHS IN THE
MID 90S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO
105 IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 101 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE
LOWER 90S. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
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. CHANCE OF RAIN 40 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF RAIN 50 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS AROUND 80. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE LOWER 80S.
MOZ049-180100-
OSAGE MO-
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT WITH HIGHS IN THE MID 90S. WEST WINDS AROUND
5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 106.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. SOUTH
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 101 EARLY IN THE
EVENING.
FRIDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 104 IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER
70S. CHANCE OF RAIN 20 PERCENT.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 90. CHANCE
OF RAIN 20 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 60S. CHANCE OF RAIN 50 PERCENT.
MONDAY
MOSTLY CLOUDY. 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 LOWER 80S.
CHANCE OF RAIN 60 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A
CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. CHANCE OF RAIN
50 PERCENT.
TUESDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN 20 PERCENT.
MOZ042-180100-
AUDRAIN MO-
INCLUDING THE CITY OF MEXICO
1258 PM CDT THU SEP 17 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 102.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 60S.
NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
HEAT INDEX VALUES UP TO 100 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
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. CHANCE OF
RAIN 50 PERCENT.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. 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 LOWER 60S.
CHANCE OF RAIN 70 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN
70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S.
TUESDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
MOZ050-180100-
CALLAWAY MO-
INCLUDING THE CITY OF FULTON
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
THIS AFTERNOON
SUNNY. HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 105.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS AROUND 70. SOUTH WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT. HEAT
INDEX VALUES UP TO 101 EARLY IN THE EVENING.
FRIDAY
SUNNY WITH HIGHS IN THE LOWER 90S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON. HEAT INDEX
VALUES UP TO 103 IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF
RAIN 20 PERCENT.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. CHANCE
OF RAIN 30 PERCENT.
SUNDAY NIGHT AND MONDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
CHANCE OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A 50 PERCENT CHANCE OF SHOWERS. LOWS AROUND 60.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S.
MOZ047-048-180100-
MONITEAU MO-COLE MO-
INCLUDING THE CITY OF JEFFERSON CITY
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. WEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 106.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S.
SOUTHEAST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 103 EARLY
IN THE EVENING.
FRIDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 104 IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 101 EARLY IN THE EVENING.
SATURDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 70S.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 90. CHANCE OF
RAIN 30 PERCENT.
SUNDAY NIGHT AND MONDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS AROUND 80. CHANCE OF
RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF RAIN 50 PERCENT.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80.
CHANCE OF RAIN 20 PERCENT.
MOZ041-180100-
BOONE MO-
INCLUDING THE CITY OF COLUMBIA
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
THIS AFTERNOON
SUNNY. HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 105.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE LOWER 70S. EAST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 103 EARLY IN THE
EVENING.
FRIDAY
SUNNY WITH HIGHS IN THE MID 90S. SOUTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON. HEAT INDEX VALUES UP
TO 103 IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 100 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
10 TO 15 MPH.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE
OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS AROUND 70. CHANCE OF RAIN 50 PERCENT.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. 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.
CHANCE OF RAIN 70 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. COOLER WITH HIGHS IN THE MID 70S. CHANCE
OF RAIN 70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. LOWS AROUND 60.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.
ILZ095>097-MOZ018-019-026-027-034>036-180100-
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
1258 PM CDT THU SEP 17 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 104.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG AFTER MIDNIGHT. HUMID WITH LOWS AROUND 70.
NORTHEAST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 101 EARLY
IN THE EVENING.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY WITH A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. HUMID WITH HIGHS IN THE
UPPER 80S. EAST WINDS 5 TO 10 MPH, BECOMING SOUTH IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO
100 IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH SHOWERS
LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS
IN THE UPPER 60S. CHANCE OF RAIN 60 PERCENT.
SUNDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. 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. 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 LOWER 60S.
CHANCE OF RAIN 70 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. HIGHS IN THE LOWER 70S. CHANCE OF RAIN
70 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. 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 AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S.
ILZ069-070-074-180100-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. HOT WITH HIGHS IN THE UPPER 90S. WEST WINDS
5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO
106.
TONIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. HUMID WITH LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 102 EARLY IN
THE EVENING.
FRIDAY
SUNNY. PATCHY FOG IN THE MORNING. A SLIGHT CHANCE OF
SHOWERS IN THE AFTERNOON. HOT WITH HIGHS IN THE MID 90S. EAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON. CHANCE
OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 103.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHEAST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 100 EARLY IN THE
EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
SHOWERS. HIGHS IN THE LOWER 90S. LOWS IN THE UPPER 60S.
MONDAY
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. CHANCE OF RAIN 50 PERCENT.
MONDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 60S.
CHANCE OF RAIN 50 PERCENT.
TUESDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.
MOZ074-084-085-099-180100-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE MID 90S.
SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT
INDEX VALUES UP TO 105.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT. HEAT INDEX
VALUES UP TO 101 EARLY IN THE EVENING.
FRIDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. LIGHT AND VARIABLE
WINDS, BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 90S.
LOWS IN THE UPPER 60S.
MONDAY
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. CHANCE OF RAIN 50 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER
60S. CHANCE OF RAIN 50 PERCENT.
TUESDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE LOWER 80S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE LOWER 80S.
MOZ060-180100-
WARREN MO-
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT WITH HIGHS IN THE MID 90S. WEST WINDS AROUND
5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 108.
TONIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. HUMID WITH LOWS AROUND 70.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 102 EARLY IN
THE EVENING.
FRIDAY
SUNNY WITH HIGHS IN THE MID 90S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON. HEAT INDEX VALUES UP TO
104 IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. LIGHT AND
VARIABLE WINDS, BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT. HEAT
INDEX VALUES UP TO 100 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S.
SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE UPPER
80S. CHANCE OF RAIN 20 PERCENT.
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 MID 60S. CHANCE OF
RAIN 50 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 50 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S.
MOZ051-052-180100-
MONTGOMERY MO-LINCOLN MO-
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS IN THE MID 90S. WEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107.
TONIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. HUMID WITH LOWS AROUND 70. WEST
WINDS AROUND 5 MPH, BECOMING NORTH AROUND 5 MPH AFTER MIDNIGHT.
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 103 EARLY IN
THE EVENING.
FRIDAY
SUNNY WITH HIGHS IN THE LOWER 90S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON. HEAT INDEX
VALUES UP TO 103 IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF RAIN
20 PERCENT.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING, THEN
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 80S. CHANCE OF RAIN 30 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS. LOWS IN THE MID 60S. CHANCE
OF RAIN 50 PERCENT.
MONDAY
SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 70S. CHANCE OF RAIN 60 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. LOWS AROUND 60.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S.
ILZ058-059-098-099-180100-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT WITH HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. HUMID WITH LOWS AROUND 70. WEST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH AFTER
MIDNIGHT. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO
101 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE LOWER 90S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND
5 MPH IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HEAT INDEX
VALUES UP TO 101.
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS IN THE LOWER
70S. SOUTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF RAIN
20 PERCENT.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A
SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. CHANCE OF RAIN
30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE
OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF RAIN 50 PERCENT.
MONDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING. HIGHS IN THE LOWER 80S. CHANCE OF RAIN
60 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. LOWS AROUND 60.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS AROUND 80.
ILZ060-065-180100-
MONTGOMERY IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
THIS AFTERNOON
SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT WITH HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 105.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. WEST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 101 EARLY IN
THE EVENING.
FRIDAY
SUNNY. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE LOWER 90S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 70. SOUTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN
20 PERCENT.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS AROUND
90. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 60S. CHANCE OF RAIN 20 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 80S. CHANCE OF RAIN 50 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S.
TUESDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.
ILZ064-180100-
BOND IL-
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT WITH HIGHS IN THE UPPER 90S. WEST WINDS 5 TO
10 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 106.
TONIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
HUMID WITH LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH,
BECOMING NORTHEAST AROUND 5 MPH AFTER MIDNIGHT. CHANCE OF RAIN
20 PERCENT. HEAT INDEX VALUES UP TO 102 EARLY IN THE EVENING.
FRIDAY
SUNNY. PATCHY FOG IN THE MORNING. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HUMID WITH HIGHS IN
THE MID 90S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH
IN THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP
TO 102.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHEAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 90S. CHANCE OF RAIN 20 PERCENT.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF
RAIN 50 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS AROUND 80. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S.
ILZ079-MOZ075-180100-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT WITH HIGHS IN THE UPPER 90S. WEST WINDS AROUND
5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 107.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 104 EARLY IN THE EVENING.
FRIDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. WEST WINDS AROUND
5 MPH. HEAT INDEX VALUES UP TO 105.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 100 EARLY IN THE EVENING.
SATURDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND
70. HIGHS IN THE MID 90S.
MONDAY
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. CHANCE OF RAIN 50 PERCENT.
MONDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 60S.
CHANCE OF RAIN 50 PERCENT.
TUESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS, MAINLY IN THE
MORNING. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 30 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.
MOZ059-062-072-073-180100-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT WITH HIGHS IN THE MID 90S. WEST WINDS AROUND
5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 107.
TONIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO
101 EARLY IN THE EVENING.
FRIDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 104.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 70.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S.
CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER
60S. CHANCE OF RAIN 50 PERCENT.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE MORNING,
THEN PARTLY SUNNY WITH SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF
RAIN 60 PERCENT.
MONDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 60S.
CHANCE OF RAIN 50 PERCENT.
TUESDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE UPPER 70S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS AROUND 80.
ILZ102-MOZ065-180100-
MONROE IL-JEFFERSON MO-
1258 PM CDT THU SEP 17 2026
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY
THIS AFTERNOON
SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT WITH HIGHS IN THE UPPER 90S. WEST WINDS AROUND
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 109.
TONIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. HUMID WITH LOWS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT
INDEX VALUES UP TO 105 EARLY IN THE EVENING.
FRIDAY
SUNNY. PATCHY FOG IN THE MORNING. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HOT WITH HIGHS IN THE
MID 90S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.
HEAT INDEX VALUES UP TO 106.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 101 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 90S. CHANCE OF RAIN 20 PERCENT. HEAT
INDEX VALUES UP TO 100 IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
LOWS IN THE UPPER 60S. CHANCE OF RAIN 20 PERCENT.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF
RAIN 50 PERCENT.
MONDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 60S.
CHANCE OF RAIN 50 PERCENT.
TUESDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS AROUND 80.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE LOWER 80S.
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