269
FPUS53 KLSX 181943
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
243 PM CDT MON MAY 18 2026
ILZ100-101-MOZ061-063-064-190300-
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
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. SHOWERS
LIKELY, MAINLY THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL. LOWS IN THE UPPER 60S. SOUTH WINDS 10 TO 15 MPH WITH
GUSTS UP TO 25 MPH. CHANCE OF RAIN 70 PERCENT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS
IN THE LOWER 80S. TEMPERATURE FALLING INTO THE MID 70S IN THE
AFTERNOON. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
CHANCE OF RAIN 70 PERCENT.
TUESDAY NIGHT
SHOWERS LIKELY. THUNDERSTORMS LIKELY, MAINLY IN
THE EVENING. COOLER WITH LOWS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. A 20 PERCENT CHANCE OF SHOWERS. COOLER WITH HIGHS IN THE
UPPER 60S. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF
RAIN 60 PERCENT.
FRIDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE MID 70S. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE EVENING. LOWS
AROUND 60. CHANCE OF RAIN 50 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE
OF RAIN 40 PERCENT.
SATURDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. CHANCE OF RAIN 20 PERCENT.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN
40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS. LOWS IN THE MID 60S.
MEMORIAL DAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
CHANCE OF RAIN 40 PERCENT.
MOZ042-049-050-190300-
AUDRAIN MO-OSAGE MO-CALLAWAY MO-
INCLUDING THE CITIES OF MEXICO AND FULTON
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS THIS EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOWS IN THE MID 60S.
SOUTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN
70 PERCENT.
TUESDAY
A CHANCE OF THUNDERSTORMS. SHOWERS. SOME THUNDERSTORMS
MAY PRODUCE HEAVY RAINFALL. HIGHS IN THE MID 70S. TEMPERATURE
FALLING INTO THE UPPER 60S IN THE AFTERNOON. SOUTH WINDS 10 TO
15 MPH, BECOMING NORTHWEST IN THE AFTERNOON. CHANCE OF RAIN
90 PERCENT.
TUESDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS. MUCH COOLER. LESS HUMID WITH
LOWS IN THE LOWER 50S. NORTH WINDS 5 TO 10 MPH WITH GUSTS UP TO
20 MPH. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP
TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF RAIN
70 PERCENT.
FRIDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE LOWER 70S. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE MID 50S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS IN THE UPPER 70S. LOWS IN THE
UPPER 50S. CHANCE OF RAIN 20 PERCENT.
SUNDAY
PARTLY SUNNY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE
OF RAIN 30 PERCENT.
SUNDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. CHANCE OF RAIN 20 PERCENT.
MEMORIAL DAY
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 MID 80S. CHANCE OF
RAIN 40 PERCENT.
MOZ041-047-048-190300-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS THIS EVENING, THEN SHOWERS AFTER MIDNIGHT. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOCALLY HEAVY RAINFALL
POSSIBLE AFTER MIDNIGHT. LOWS IN THE MID 60S. SOUTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 80 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. SHOWERS.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS IN THE MID
70S. TEMPERATURE FALLING INTO THE UPPER 60S IN THE AFTERNOON.
SOUTH WINDS 5 TO 10 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
GUSTS UP TO 25 MPH. CHANCE OF RAIN 90 PERCENT.
TUESDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS. COOLER. LESS HUMID WITH LOWS IN
THE LOWER 50S. NORTH WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
CHANCE OF RAIN 50 PERCENT.
WEDNESDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH WITH
GUSTS UP TO 20 MPH. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF RAIN
70 PERCENT.
FRIDAY
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. HIGHS IN
THE MID 70S. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE UPPER 50S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS AROUND 80. LOWS IN THE UPPER
50S. CHANCE OF RAIN 20 PERCENT.
SUNDAY
PARTLY SUNNY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE
OF RAIN 30 PERCENT.
SUNDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS IN THE LOWER
60S. CHANCE OF RAIN 20 PERCENT.
MEMORIAL DAY
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 MID 80S. CHANCE OF
RAIN 40 PERCENT.
ILZ095>097-MOZ018-019-026-027-190300-
ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, PITTSFIELD,
AND HANNIBAL
243 PM CDT MON MAY 18 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A SLIGHT
CHANCE OF SHOWERS THIS EVENING, THEN SHOWERS AFTER MIDNIGHT. LOWS
IN THE MID 60S. SOUTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.
CHANCE OF RAIN 90 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. SHOWERS
LIKELY, MAINLY IN THE MORNING. NEAR STEADY TEMPERATURE IN THE
UPPER 60S. TEMPERATURE FALLING INTO THE UPPER 60S IN THE
AFTERNOON. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST IN
THE AFTERNOON. GUSTS UP TO 30 MPH. CHANCE OF RAIN 70 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. MUCH COOLER. LESS
HUMID WITH LOWS AROUND 50. NORTH WINDS 5 TO 10 MPH WITH GUSTS UP
TO 20 MPH. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 50S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE UPPER 60S. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE EVENING. LOWS
IN THE MID 50S. CHANCE OF RAIN 50 PERCENT.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS AROUND 80. LOWS IN THE
UPPER 50S. CHANCE OF RAIN 20 PERCENT.
MEMORIAL DAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
80S. CHANCE OF RAIN 20 PERCENT.
MOZ034>036-190300-
MONROE MO-RALLS MO-PIKE MO-
INCLUDING THE CITY OF BOWLING GREEN
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS THIS EVENING, THEN SHOWERS AFTER MIDNIGHT. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOWS IN THE MID 60S.
SOUTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN
80 PERCENT.
TUESDAY
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS IN THE MID 70S.
TEMPERATURE FALLING INTO THE UPPER 60S IN THE AFTERNOON. SOUTH
WINDS 10 TO 15 MPH, BECOMING NORTHWEST IN THE AFTERNOON. GUSTS UP
TO 30 MPH. CHANCE OF RAIN 70 PERCENT.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. COOLER. LESS HUMID
WITH LOWS IN THE LOWER 50S. NORTH WINDS 5 TO 10 MPH WITH GUSTS UP
TO 20 MPH. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST WINDS 5 TO
10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF RAIN
60 PERCENT.
FRIDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. CHANCE OF
RAIN 50 PERCENT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS AROUND 80. LOWS IN THE UPPER
50S. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. CHANCE OF RAIN 30 PERCENT.
ILZ069-070-074-190300-
CLINTON IL-MARION IL-WASHINGTON IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS EVENING. LOWS
IN THE UPPER 60S. SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO
25 MPH. CHANCE OF RAIN 70 PERCENT.
TUESDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING, THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS 15 TO 20 MPH. CHANCE OF RAIN
90 PERCENT.
TUESDAY NIGHT
SHOWERS LIKELY. THUNDERSTORMS LIKELY, MAINLY IN
THE EVENING. LOWS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH,
BECOMING NORTH AFTER MIDNIGHT. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON. COOLER WITH HIGHS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 50S.
CHANCE OF RAIN 60 PERCENT.
FRIDAY
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 70S. CHANCE OF RAIN 80 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE LOWER 60S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN
40 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. CHANCE OF RAIN 40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS. LOWS IN THE MID 60S.
MEMORIAL DAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING
PARTLY SUNNY. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF
RAIN 40 PERCENT.
MOZ074-084-085-099-190300-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
243 PM CDT MON MAY 18 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. LOWS IN THE UPPER 60S. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 50 PERCENT.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN SHOWERS WITH THUNDERSTORMS
LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN NEAR
100 PERCENT.
TUESDAY NIGHT
SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING,
THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
COOLER WITH LOWS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
CHANCE OF RAIN 90 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. COOLER WITH HIGHS IN THE UPPER 60S. NORTHEAST WINDS
5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE
UPPER 50S. CHANCE OF RAIN 70 PERCENT.
FRIDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 80 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 50 PERCENT.
MEMORIAL DAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE
OF RAIN 50 PERCENT.
MOZ051-052-060-190300-
MONTGOMERY MO-LINCOLN MO-WARREN MO-
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL.
LOWS IN THE MID 60S. SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO
30 MPH. CHANCE OF RAIN 50 PERCENT.
TUESDAY
SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE MORNING. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE AFTERNOON. HIGHS
IN THE UPPER 70S. TEMPERATURE FALLING INTO THE LOWER 70S IN THE
AFTERNOON. SOUTH WINDS 10 TO 15 MPH, BECOMING WEST IN THE
AFTERNOON. CHANCE OF RAIN 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
COOLER. LESS HUMID WITH LOWS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN 60 PERCENT.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY IN THE AFTERNOON. COOLER WITH HIGHS
IN THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF RAIN
20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF RAIN
60 PERCENT.
FRIDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE LOWER 70S. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. CHANCE OF
RAIN 50 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN PARTLY SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
CHANCE OF RAIN 40 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 60S.
CHANCE OF RAIN 30 PERCENT.
MEMORIAL DAY
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 MID 80S. CHANCE OF
RAIN 40 PERCENT.
ILZ098-099-190300-
CALHOUN IL-JERSEY IL-
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY,
MAINLY THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL AFTER MIDNIGHT. LOWS IN THE MID 60S. SOUTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 70 PERCENT.
TUESDAY
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE AFTERNOON.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE MORNING.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. TEMPERATURE FALLING INTO THE LOWER 70S IN
THE AFTERNOON. SOUTH WINDS 10 TO 15 MPH, BECOMING WEST IN THE
AFTERNOON. CHANCE OF RAIN 90 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
COOLER. LESS HUMID WITH LOWS IN THE MID 50S. NORTH WINDS 5 TO
10 MPH. CHANCE OF RAIN 60 PERCENT.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. COOLER WITH HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF RAIN
50 PERCENT.
FRIDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S. CHANCE OF
RAIN 50 PERCENT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER
70S. LOWS IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.
SUNDAY
PARTLY 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.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. CHANCE OF RAIN 30 PERCENT.
ILZ058-059-190300-
GREENE IL-MACOUPIN IL-
243 PM CDT MON MAY 18 2026
TONIGHT
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY,
MAINLY THIS EVENING. LOWS IN THE MID 60S. SOUTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 70 PERCENT.
TUESDAY
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. TEMPERATURE FALLING INTO THE MID 70S IN
THE AFTERNOON. SOUTH WINDS 15 TO 20 MPH, BECOMING WEST 10 TO
15 MPH IN THE AFTERNOON. CHANCE OF RAIN 90 PERCENT.
TUESDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS. COOLER. LESS HUMID WITH LOWS IN
THE LOWER 50S. NORTH WINDS 5 TO 10 MPH. CHANCE OF RAIN
50 PERCENT.
WEDNESDAY
PARTLY SUNNY. COOLER WITH HIGHS IN THE UPPER 60S.
NORTH WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER
50S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE EVENING. LOWS
IN THE MID 50S. CHANCE OF RAIN 50 PERCENT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER
70S. LOWS IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.
SUNDAY
PARTLY 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.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLOUDY. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 60.
HIGHS IN THE MID 80S. CHANCE OF RAIN 30 PERCENT.
ILZ064-065-190300-
BOND IL-FAYETTE IL-
INCLUDING THE CITY OF VANDALIA
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS EVENING. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT. LOWS IN
THE UPPER 60S. SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
CHANCE OF RAIN 70 PERCENT.
TUESDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING, THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS
IN THE LOWER 80S. SOUTHWEST WINDS 15 TO 20 MPH. CHANCE OF RAIN
80 PERCENT.
TUESDAY NIGHT
A CHANCE OF THUNDERSTORMS. SHOWERS, COOLER WITH
LOWS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF
RAIN 80 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY IN THE AFTERNOON. COOLER WITH HIGHS
IN THE UPPER 60S. NORTH WINDS AROUND 10 MPH. CHANCE OF RAIN
20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID
50S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
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 70S. CHANCE OF RAIN 80 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE EVENING. LOWS
AROUND 60. CHANCE OF RAIN 50 PERCENT.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
SUNNY. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 30 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 60. HIGHS IN
THE LOWER 80S. CHANCE OF RAIN 30 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS, MAINLY IN THE
EVENING. LOWS IN THE LOWER 60S. CHANCE OF RAIN 30 PERCENT.
MEMORIAL DAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING
PARTLY SUNNY. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF
RAIN 40 PERCENT.
ILZ060-190300-
MONTGOMERY IL-
INCLUDING THE CITY OF LITCHFIELD
243 PM CDT MON MAY 18 2026
TONIGHT
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY
THIS EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID
60S. SOUTH WINDS AROUND 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF
RAIN 70 PERCENT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING, THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE
AFTERNOON. HIGHS AROUND 80. TEMPERATURE FALLING INTO THE MID 70S
IN THE AFTERNOON. SOUTHWEST WINDS 15 TO 20 MPH. CHANCE OF RAIN
90 PERCENT.
TUESDAY NIGHT
A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE EVENING. COOLER WITH LOWS IN THE MID 50S. NORTHWEST
WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY
PARTLY SUNNY. COOLER WITH HIGHS IN THE UPPER 60S.
NORTH WINDS AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER
50S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 70 PERCENT.
FRIDAY 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.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S.
LOWS IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S.
MEMORIAL DAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING
PARTLY SUNNY. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF
RAIN 30 PERCENT.
ILZ079-MOZ075-190300-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
243 PM CDT MON MAY 18 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 60S. SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO
30 MPH. CHANCE OF RAIN 50 PERCENT.
TUESDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING, THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE
AFTERNOON. HIGHS IN THE MID 80S. TEMPERATURE FALLING INTO THE
UPPER 70S IN THE AFTERNOON. SOUTHWEST WINDS 10 TO 15 MPH WITH
GUSTS UP TO 30 MPH. CHANCE OF RAIN 90 PERCENT.
TUESDAY NIGHT
SHOWERS LIKELY. THUNDERSTORMS LIKELY, MAINLY IN
THE EVENING. COOLER WITH LOWS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS, MAINLY IN THE
MORNING. MUCH COOLER WITH HIGHS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY SUNNY WITH
A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER
70S. CHANCE OF RAIN 20 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF RAIN 70 PERCENT.
FRIDAY
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE MID 70S. CHANCE OF RAIN 80 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE LOWER 80S. CHANCE
OF RAIN 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A
CHANCE OF SHOWERS. LOWS AROUND 60. CHANCE OF RAIN 50 PERCENT.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN
40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S.
MEMORIAL DAY
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.
MOZ059-062-072-073-190300-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY THIS
EVENING, THEN A CHANCE OF THUNDERSTORMS WITH A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL AFTER MIDNIGHT. LOWS IN THE UPPER 60S. SOUTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 70 PERCENT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS
AROUND 80. TEMPERATURE FALLING INTO THE MID 70S IN THE AFTERNOON.
SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF
RAIN 70 PERCENT.
TUESDAY NIGHT
SHOWERS LIKELY. THUNDERSTORMS LIKELY, MAINLY IN
THE EVENING. COOLER WITH LOWS IN THE MID 50S. NORTH WINDS AROUND
5 MPH. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY
PARTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. A 50 PERCENT CHANCE OF SHOWERS. COOLER WITH HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF RAIN
70 PERCENT.
FRIDAY
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE MID 70S. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE UPPER 50S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER
80S. LOWS AROUND 60. CHANCE OF RAIN 50 PERCENT.
MEMORIAL DAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF RAIN 40 PERCENT.
ILZ102-MOZ065-190300-
MONROE IL-JEFFERSON MO-
243 PM CDT MON MAY 18 2026
..FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS EVENING. LOWS
IN THE UPPER 60S. SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO
30 MPH. CHANCE OF RAIN 70 PERCENT.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING, THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS
IN THE LOWER 80S. TEMPERATURE FALLING INTO THE UPPER 70S IN THE
AFTERNOON. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 25 MPH.
CHANCE OF RAIN 90 PERCENT.
TUESDAY NIGHT
SHOWERS LIKELY. THUNDERSTORMS LIKELY, MAINLY IN
THE EVENING. COOLER WITH LOWS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON. COOLER WITH HIGHS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
NORTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY SUNNY WITH
A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER
70S. CHANCE OF RAIN 20 PERCENT.
THURSDAY NIGHT AND FRIDAY
SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. CHANCE
OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE UPPER 50S.
CHANCE OF RAIN 50 PERCENT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S.
LOWS AROUND 60. CHANCE OF RAIN 40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S.
MEMORIAL DAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
CHANCE OF RAIN 40 PERCENT.
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