447
FPUS53 KLSX 191944
ZFPLSX
ZONE FORECASTS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
243 PM CDT SUN JUL 19 2026
ILZ100-101-MOZ061-063-064-200300-
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 SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. PATCHY SMOKE AFTER MIDNIGHT. LOWS IN
THE LOWER 70S. EAST WINDS AROUND 5 MPH. CHANCE OF RAIN
20 PERCENT.
MONDAY
PATCHY SMOKE IN THE MORNING. MOSTLY SUNNY. HUMID WITH
HIGHS IN THE LOWER 90S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING
SOUTH IN THE AFTERNOON. HEAT INDEX VALUES UP TO 105.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.
SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN
THE EVENING.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HOT WITH HIGHS IN THE MID 90S. WEST
WINDS 5 TO 10 MPH, BECOMING NORTHWEST WITH GUSTS UP TO 20 MPH IN
THE AFTERNOON. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO
109.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 102 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, COOLER WITH HIGHS IN THE MID 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF RAIN
20 PERCENT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S.
LOWS IN THE UPPER 60S. CHANCE OF RAIN 40 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES
UP TO 100.
MOZ049-050-200300-
OSAGE MO-CALLAWAY MO-
INCLUDING THE CITY OF FULTON
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY WITH HIGHS IN THE MID
90S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
HEAT INDEX VALUES UP TO 105.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105 EARLY
IN THE EVENING.
TUESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP TO 106.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 101 EARLY IN THE EVENING.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
80S. LOWS IN THE MID 60S.
THURSDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID
60S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 50 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. CHANCE OF RAIN 40 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 90S.
MOZ042-200300-
AUDRAIN MO-
INCLUDING THE CITY OF MEXICO
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT MONDAY
TONIGHT
PARTLY CLOUDY. LOWS AROUND 70. EAST WINDS 5 TO 10 MPH.
MONDAY
SUNNY WITH HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON. HEAT
INDEX VALUES UP TO 102.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 102 EARLY IN
THE EVENING.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS 5 TO 10 MPH,
BECOMING NORTHWEST WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
10 TO 15 MPH.
WEDNESDAY
SUNNY, COOLER WITH HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S.
THURSDAY 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 LOWER 60S. CHANCE OF
RAIN 40 PERCENT.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 80. CHANCE OF RAIN 50 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY 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 40 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE UPPER 80S.
MOZ041-047-048-200300-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. EAST WINDS
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO
100 EARLY THIS EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON. HEAT INDEX VALUES
UP TO 106.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY
IN THE EVENING.
TUESDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. WEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST WITH GUSTS UP TO 20 MPH IN THE
AFTERNOON. HEAT INDEX VALUES UP TO 106.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 101 EARLY IN THE EVENING.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
80S. LOWS IN THE MID 60S.
THURSDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 80S. CHANCE OF RAIN 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY 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 WITH A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 50 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. CHANCE OF RAIN 40 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS AROUND 70. HIGHS
IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.
ILZ095-MOZ018-019-026-027-034>036-200300-
ADAMS IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-
PIKE MO-
INCLUDING THE CITIES OF QUINCY, HANNIBAL, AND BOWLING GREEN
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT MONDAY
TONIGHT
PARTLY CLOUDY. PATCHY SMOKE AFTER MIDNIGHT. LOWS
AROUND 70. EAST WINDS AROUND 5 MPH.
MONDAY
PATCHY SMOKE IN THE MORNING. SUNNY WITH HIGHS IN THE
LOWER 90S. SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 104.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN
THE EVENING.
TUESDAY
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING. HIGHS IN THE LOWER 90S. NORTHWEST WINDS 10 TO
15 MPH. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. COOLER WITH LOWS IN THE UPPER 60S.
NORTH WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID
60S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS, MAINLY IN THE MORNING. HIGHS IN THE LOWER 80S.
CHANCE OF RAIN 50 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY 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 30 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS AROUND 90.
ILZ096-097-200300-
BROWN IL-PIKE IL-
INCLUDING THE CITIES OF MOUNT STERLING AND PITTSFIELD
243 PM CDT SUN JUL 19 2026
TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. LOWS IN THE UPPER 60S.
EAST WINDS AROUND 5 MPH.
MONDAY
PATCHY SMOKE IN THE MORNING. SUNNY WITH HIGHS IN THE
LOWER 90S. SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO
104 IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN PARTLY CLOUDY
WITH A CHANCE OF THUNDERSTORMS WITH A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS
AROUND 5 MPH. GUSTS UP TO 20 MPH AFTER MIDNIGHT. CHANCE OF RAIN
40 PERCENT. HEAT INDEX VALUES UP TO 103 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS IN THE LOWER 90S. NORTHWEST
WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF RAIN 20 PERCENT.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN
40 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY 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 30 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS AROUND 90.
ILZ069-074-200300-
CLINTON IL-WASHINGTON IL-
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. PATCHY SMOKE AFTER MIDNIGHT. LOWS
AROUND 70. NORTHEAST WINDS AROUND 5 MPH THIS EVENING, BECOMING
LIGHT AND VARIABLE. CHANCE OF RAIN 20 PERCENT.
MONDAY
PATCHY FOG AND SMOKE IN THE MORNING. MOSTLY SUNNY.
HUMID WITH HIGHS IN THE LOWER 90S. LIGHT AND VARIABLE WINDS. HEAT
INDEX VALUES UP TO 104.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.
SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN
THE EVENING.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HOT WITH HIGHS IN THE MID 90S.
SOUTHWEST WINDS 5 TO 10 MPH, BECOMING WEST IN THE AFTERNOON.
CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 111.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, COOLER WITH HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE LOWER 60S. HIGHS IN THE LOWER 80S.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S.
LOWS IN THE MID 60S. CHANCE OF RAIN 30 PERCENT.
SATURDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE MID 80S. CHANCE OF RAIN 30 PERCENT.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 90S.
ILZ070-200300-
MARION IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
243 PM CDT SUN JUL 19 2026
TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. LOWS IN THE UPPER 60S.
NORTHEAST WINDS AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND
VARIABLE.
MONDAY
PATCHY SMOKE IN THE MORNING. MOSTLY SUNNY. HIGHS AROUND
90. LIGHT AND VARIABLE WINDS.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND
5 MPH. HEAT INDEX VALUES UP TO 100 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HUMID WITH HIGHS IN THE MID 90S.
WEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX
VALUES UP TO 107.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 100 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, COOLER WITH HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE LOWER 60S. HIGHS AROUND 80.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S.
LOWS IN THE MID 60S. CHANCE OF RAIN 30 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90.
MOZ074-084-085-099-200300-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. LOWS IN THE LOWER 70S. LIGHT AND
VARIABLE WINDS. CHANCE OF RAIN 50 PERCENT.
MONDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HUMID WITH HIGHS IN THE LOWER 90S. LIGHT AND VARIABLE WINDS.
CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.
LIGHT AND VARIABLE WINDS, BECOMING SOUTHWEST AROUND 5 MPH AFTER
MIDNIGHT. HEAT INDEX VALUES UP TO 103 EARLY IN THE EVENING.
TUESDAY
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HOT WITH HIGHS IN THE UPPER 90S. WEST WINDS AROUND
5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 109.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTH WINDS AROUND
5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
80S. LOWS IN THE LOWER 60S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF RAIN
20 PERCENT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN THE MID 60S.
CHANCE OF RAIN 40 PERCENT.
SATURDAY
PARTLY SUNNY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING. HIGHS IN THE MID 80S.
CHANCE OF RAIN 40 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
MOZ051-060-200300-
MONTGOMERY MO-WARREN MO-
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. LOWS AROUND 70. EAST WINDS AROUND
5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN
20 PERCENT.
MONDAY
PATCHY FOG IN THE MORNING. SUNNY WITH HIGHS IN THE
LOWER 90S. LIGHT AND VARIABLE WINDS. HEAT INDEX VALUES UP TO 106.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY
IN THE EVENING.
TUESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP TO 106.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 100 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, COOLER WITH HIGHS IN THE MID 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER
60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE LOWER 80S. CHANCE OF RAIN 50 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. CHANCE OF RAIN 40 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.
MOZ052-200300-
LINCOLN MO-
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT MONDAY
TONIGHT
PARTLY CLOUDY. PATCHY SMOKE AFTER MIDNIGHT. LOWS
AROUND 70. EAST WINDS AROUND 5 MPH.
MONDAY
PATCHY FOG AND SMOKE IN THE MORNING. SUNNY WITH HIGHS
IN THE LOWER 90S. SOUTHEAST WINDS AROUND 5 MPH IN THE MORNING,
BECOMING LIGHT AND VARIABLE. HEAT INDEX VALUES UP TO 105.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY
IN THE EVENING.
TUESDAY
SUNNY WITH HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP TO 105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY, COOLER WITH HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF
RAIN 20 PERCENT.
FRIDAY
PARTLY SUNNY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS.
HIGHS IN THE LOWER 80S. CHANCE OF RAIN 40 PERCENT.
FRIDAY 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 30 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 90S.
ILZ058-059-098-099-200300-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
243 PM CDT SUN JUL 19 2026
TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. LOWS IN THE UPPER 60S.
EAST WINDS 5 TO 10 MPH.
MONDAY
PATCHY SMOKE IN THE MORNING. SUNNY. HIGHS IN THE LOWER
90S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE
AFTERNOON. HEAT INDEX VALUES UP TO 101.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.
SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 102 EARLY IN
THE EVENING.
TUESDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S. WEST
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 101.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY, COOLER WITH HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN
THE LOWER 60S. CHANCE OF RAIN 20 PERCENT.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. CHANCE OF RAIN
40 PERCENT.
FRIDAY 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 30 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
ILZ060-064-065-200300-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
243 PM CDT SUN JUL 19 2026
TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. LOWS IN THE UPPER 60S.
EAST WINDS AROUND 5 MPH.
MONDAY
PATCHY SMOKE IN THE MORNING. MOSTLY SUNNY. HIGHS IN THE
UPPER 80S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN
THE AFTERNOON. HEAT INDEX VALUES UP TO 100 IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HUMID WITH HIGHS IN THE LOWER 90S. WEST WINDS 5 TO
10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS AROUND 80.
LOWS IN THE UPPER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80.
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 IN THE AFTERNOON. HIGHS AROUND
80. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY 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 30 PERCENT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. HIGHS IN THE MID 80S. CHANCE OF RAIN 20 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
ILZ079-MOZ075-200300-
RANDOLPH IL-SAINTE GENEVIEVE MO-
INCLUDING THE CITIES OF CHESTER AND SPARTA
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. LOWS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF
RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 100 EARLY THIS EVENING.
MONDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HUMID WITH
HIGHS IN THE LOWER 90S. LIGHT AND VARIABLE WINDS. HEAT INDEX
VALUES UP TO 106.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.
SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN
THE EVENING.
TUESDAY
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HOT WITH HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 112.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, COOLER WITH HIGHS IN THE MID 80S.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE LOWER 60S. HIGHS IN THE LOWER 80S.
FRIDAY
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.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS, MAINLY IN THE EVENING. LOWS IN THE MID 60S.
CHANCE OF RAIN 30 PERCENT.
SATURDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE UPPER 80S. CHANCE OF RAIN 30 PERCENT.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.
MOZ059-062-072-073-200300-
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY
TONIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE LOWER 70S.
EAST WINDS AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND
VARIABLE. CHANCE OF RAIN 40 PERCENT.
MONDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HUMID WITH
HIGHS IN THE LOWER 90S. LIGHT AND VARIABLE WINDS. HEAT INDEX
VALUES UP TO 106.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.
LIGHT AND VARIABLE WINDS, BECOMING SOUTHWEST AROUND 5 MPH AFTER
MIDNIGHT. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 108.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 102 EARLY IN THE EVENING.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
80S. LOWS IN THE LOWER 60S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID
60S. CHANCE OF RAIN 30 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 IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. CHANCE OF RAIN 40 PERCENT.
SATURDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE UPPER 80S. CHANCE OF RAIN 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES
UP TO 100 IN THE AFTERNOON.
ILZ102-MOZ065-200300-
MONROE IL-JEFFERSON MO-
243 PM CDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. LOWS IN THE LOWER 70S. EAST WINDS
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF
RAIN 40 PERCENT.
MONDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HUMID WITH
HIGHS IN THE LOWER 90S. LIGHT AND VARIABLE WINDS. HEAT INDEX
VALUES UP TO 107.
MONDAY NIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.
SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN
THE EVENING.
TUESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. WEST WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 111.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70. NORTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.
WEDNESDAY
SUNNY. NOT AS WARM WITH HIGHS IN THE MID 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF
RAIN 20 PERCENT.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE LOWER 80S. CHANCE OF RAIN 40 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS. LOWS IN THE MID 60S. CHANCE
OF RAIN 40 PERCENT.
SATURDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE UPPER 80S. CHANCE OF RAIN 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES
UP TO 100.
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