203
FPUS53 KLSX 220148
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
847 PM CDT SUN JUN 21 2026
ILZ100-101-MOZ061-063-064-220900-
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
847 PM CDT SUN JUN 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE DAMAGING WINDS,
LARGE HAIL, HEAVY RAINFALL, AND TORNADOES THIS EVENING. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO
25 MPH, BECOMING NORTHWEST 5 TO 10 MPH AFTER MIDNIGHT. CHANCE OF
RAIN 50 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 60. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND
VARIABLE. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH 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.
WEDNESDAY NIGHT
PARTLY 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. CHANCE
OF RAIN 50 PERCENT.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE MID
60S. CHANCE OF RAIN 20 PERCENT.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 60S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE
LOWER 70S. CHANCE OF RAIN 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS IN THE MID 90S. CHANCE OF
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 IN THE AFTERNOON.
MOZ042-049-050-220900-
AUDRAIN MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
847 PM CDT SUN JUN 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS
EVENING. LOWS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH,
BECOMING NORTH 5 TO 10 MPH AFTER MIDNIGHT. CHANCE OF RAIN
50 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH WITH GUSTS UP TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
LOWS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH. CHANCE OF RAIN
20 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE MID 60S. CHANCE
OF RAIN 50 PERCENT.
THURSDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE
LOWER 80S. CHANCE OF RAIN 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF RAIN
40 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF
RAIN 50 PERCENT.
FRIDAY 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.
CHANCE OF RAIN 60 PERCENT.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. CHANCE OF RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE
LOWER 70S. CHANCE OF RAIN 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS IN THE LOWER 90S. CHANCE OF
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 IN THE AFTERNOON.
MOZ041-047-048-220900-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
847 PM CDT SUN JUN 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS
EVENING. LOWS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
GUSTS UP TO 25 MPH THIS EVENING. CHANCE OF RAIN 40 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 60. NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING, BECOMING
LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE. CHANCE
OF RAIN 40 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE UPPER 60S.
CHANCE OF RAIN 50 PERCENT.
THURSDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF
RAIN 30 PERCENT.
THURSDAY 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. CHANCE OF RAIN 40 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF
RAIN 50 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 70. CHANCE OF
RAIN 60 PERCENT.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. CHANCE OF
RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 70S. CHANCE OF RAIN 30 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES
UP TO 105 IN THE AFTERNOON.
ILZ095>097-MOZ018-019-026-027-034>036-220900-
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
847 PM CDT SUN JUN 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. LOWS AROUND 60. NORTH WINDS 10 TO 15 MPH WITH GUSTS
UP TO 25 MPH. CHANCE OF RAIN 40 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO 10 MPH WITH GUSTS
UP TO 20 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF THUNDERSTORMS.
A CHANCE OF SHOWERS, MAINLY IN THE MORNING. HIGHS IN THE LOWER
80S. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING, THEN
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 80. CHANCE OF RAIN 40 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE
LOWER 70S. CHANCE OF RAIN 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS AROUND 90. CHANCE OF RAIN
20 PERCENT. HEAT INDEX VALUES UP TO 100 IN THE AFTERNOON.
ILZ069-070-074-220900-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
847 PM CDT SUN JUN 21 2026
..FLOOD WATCH IN EFFECT UNTIL 7 AM CDT MONDAY
TONIGHT
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS, MAINLY THIS
EVENING. SOME THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS,
LARGE HAIL, TORNADOES, AND HEAVY RAINFALL, THEN SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT. LOWS IN
THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO
25 MPH, BECOMING WEST 5 TO 10 MPH AFTER MIDNIGHT. CHANCE OF RAIN
90 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS AROUND 60. NORTH WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF
RAIN 20 PERCENT.
WEDNESDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 60S.
CHANCE OF RAIN 40 PERCENT.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE MID
60S. CHANCE OF RAIN 20 PERCENT.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 60S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS,
MAINLY IN THE EVENING. LOWS IN THE LOWER 70S. CHANCE OF RAIN
50 PERCENT.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS IN THE LOWER 90S. CHANCE OF
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 IN THE AFTERNOON.
MOZ074-084-085-099-220900-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
847 PM CDT SUN JUN 21 2026
..FLOOD WATCH IN EFFECT UNTIL 7 AM CDT MONDAY
...SEVERE THUNDERSTORM WATCH 366 IN EFFECT UNTIL 1 AM CDT
MONDAY...
TONIGHT
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS, MAINLY THIS
EVENING. SOME THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS,
LARGE HAIL, AND HEAVY RAINFALL, THEN SOME THUNDERSTORMS MAY
PRODUCE DAMAGING WINDS, LARGE HAIL, AND HEAVY RAINFALL AFTER
MIDNIGHT. LOWS IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH WITH
GUSTS UP TO 25 MPH, BECOMING WEST AROUND 5 MPH AFTER MIDNIGHT.
CHANCE OF RAIN 90 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS
5 TO 10 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 60S.
EAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND
VARIABLE. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN THE
UPPER 60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE MID 60S.
CHANCE OF RAIN 50 PERCENT.
FRIDAY
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 LOWER 80S.
CHANCE OF RAIN 60 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
CHANCE OF RAIN 50 PERCENT.
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. HEAT INDEX VALUES UP TO
100.
MOZ051-052-060-220900-
MONTGOMERY MO-LINCOLN MO-WARREN MO-
847 PM CDT SUN JUN 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS
EVENING. LOWS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH WITH GUSTS
UP TO 25 MPH, BECOMING NORTHWEST AFTER MIDNIGHT. CHANCE OF RAIN
40 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH
IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND
VARIABLE. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE MID 60S. CHANCE
OF RAIN 40 PERCENT.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE MID
60S. CHANCE OF RAIN 20 PERCENT.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE UPPER 60S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE
LOWER 70S. CHANCE OF RAIN 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS IN THE LOWER 90S. CHANCE OF
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 IN THE AFTERNOON.
ILZ058-059-098-099-220900-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
847 PM CDT SUN JUN 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS
EVENING. LOWS IN THE LOWER 60S. WEST WINDS 10 TO 15 MPH WITH
GUSTS UP TO 25 MPH, BECOMING NORTHWEST 5 TO 10 MPH AFTER
MIDNIGHT. CHANCE OF RAIN 50 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF
RAIN 40 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE MID 60S. CHANCE
OF RAIN 40 PERCENT.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN THE
LOWER 60S. CHANCE OF RAIN 20 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING, THEN
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE LOWER 80S. CHANCE OF RAIN 40 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 80S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS AROUND
70. CHANCE OF RAIN 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS IN THE LOWER 90S. CHANCE OF
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 IN THE AFTERNOON.
ILZ060-064-065-220900-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
847 PM CDT SUN JUN 21 2026
..FLOOD WATCH IN EFFECT UNTIL 1 AM CDT MONDAY
TONIGHT
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY THIS
EVENING. SOME THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS,
LARGE HAIL, HEAVY RAINFALL, AND TORNADOES. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH, BECOMING
WEST 5 TO 10 MPH AFTER MIDNIGHT. CHANCE OF RAIN 70 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF
RAIN 20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS,
MAINLY IN THE EVENING. LOWS IN THE MID 60S. CHANCE OF RAIN
30 PERCENT.
THURSDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF RAIN 20 PERCENT.
FRIDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 40 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS,
MAINLY IN THE EVENING. LOWS AROUND 70. CHANCE OF RAIN 50 PERCENT.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.
HEAT INDEX VALUES UP TO 100 IN THE AFTERNOON.
ILZ079-MOZ075-220900-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
847 PM CDT SUN JUN 21 2026
..FLOOD WATCH IN EFFECT UNTIL 7 AM CDT MONDAY
TONIGHT
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS, MAINLY THIS
EVENING. SOME THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS,
LARGE HAIL, TORNADOES, AND HEAVY RAINFALL, THEN SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT. LOWS IN
THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO
25 MPH, BECOMING WEST 5 TO 10 MPH AFTER MIDNIGHT. CHANCE OF RAIN
80 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTH WINDS 5 TO
10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH IN THE
EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF
RAIN 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE MID 60S.
CHANCE OF RAIN 40 PERCENT.
FRIDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF
RAIN 50 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S.
CHANCE OF RAIN 50 PERCENT.
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. HEAT INDEX VALUES UP TO
105.
MOZ059-062-072-073-220900-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
847 PM CDT SUN JUN 21 2026
TONIGHT
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY THIS
EVENING. SOME THUNDERSTORMS MAY PRODUCE DAMAGING WINDS, LARGE
HAIL, AND HEAVY RAINFALL THIS EVENING. LOWS IN THE LOWER 60S.
WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH, BECOMING
NORTHWEST AROUND 5 MPH AFTER MIDNIGHT. CHANCE OF RAIN 70 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTH WINDS AROUND
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. LOWS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH IN
THE EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN
30 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE
AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 60 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE MID
60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE MID 60S.
CHANCE OF RAIN 40 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF
RAIN 50 PERCENT.
FRIDAY 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.
CHANCE OF RAIN 60 PERCENT.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. CHANCE OF
RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE LOWER 70S.
CHANCE OF RAIN 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS IN THE LOWER 90S. CHANCE OF
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 IN THE AFTERNOON.
ILZ102-MOZ065-220900-
MONROE IL-JEFFERSON MO-
847 PM CDT SUN JUN 21 2026
TONIGHT
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY THIS
EVENING. SOME THUNDERSTORMS MAY PRODUCE DAMAGING WINDS, LARGE
HAIL, HEAVY RAINFALL, AND TORNADOES THIS EVENING. LOWS IN THE
LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 25 MPH,
BECOMING WEST AFTER MIDNIGHT. CHANCE OF RAIN 70 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 50S. NORTH WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT AND VARIABLE.
TUESDAY
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND
VARIABLE. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
PARTLY 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.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE MID 60S.
CHANCE OF RAIN 40 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF
RAIN 50 PERCENT.
FRIDAY 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.
SATURDAY
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 UPPER 80S. CHANCE OF RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY 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 LOWER 70S. CHANCE
OF RAIN 40 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 110 IN THE AFTERNOON.
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