857  
FPUS53 KLSX 151748  
ZFPLSX  
 
ZONE FORECASTS  
NATIONAL WEATHER SERVICE SAINT LOUIS MO  
1248 PM CDT TUE SEP 15 2026  
 
ILZ100-101-MOZ061-063-064-160100-  
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  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. WARMER WITH HIGHS IN THE UPPER 90S. SOUTHWEST  
WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES  
UP TO 105.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. HUMID WITH LOWS IN  
THE MID 70S. SOUTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN  
50 PERCENT. HEAT INDEX VALUES UP TO 100 EARLY IN THE EVENING.    
WEDNESDAY
 
PARTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HUMID WITH HIGHS IN THE MID 90S. EAST  
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON. CHANCE OF  
RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 104.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 102 EARLY IN THE EVENING.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST  
WINDS AROUND 5 MPH, BECOMING NORTHWEST AROUND 5 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 106.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
LOWER 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 100.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 90S.    
SATURDAY 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  
UPPER 60S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. COOLER WITH HIGHS IN THE MID 80S. CHANCE OF RAIN  
40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.  
 

 
 
MOZ049-160100-  
OSAGE MO-  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE  
LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.  
CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 101.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. HUMID WITH LOWS IN  
THE LOWER 70S. EAST WINDS AROUND 5 MPH. CHANCE OF RAIN  
40 PERCENT.    
WEDNESDAY
 
PARTLY SUNNY IN THE MORNING, THEN CLEARING. ISOLATED  
SHOWERS AND THUNDERSTORMS. HUMID 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 103.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH. CHANCE OF RAIN  
30 PERCENT. HEAT INDEX VALUES UP TO 100 EARLY IN THE EVENING.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.  
HEAT INDEX VALUES UP TO 104.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
LOWER 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 100.    
SATURDAY
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 20 PERCENT.    
SATURDAY 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 UPPER 60S. CHANCE OF  
RAIN 40 PERCENT.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 80. LOWS IN THE LOWER 60S. CHANCE OF  
RAIN 40 PERCENT.    
MONDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
MOZ042-050-160100-  
AUDRAIN MO-CALLAWAY MO-  
INCLUDING THE CITIES OF MEXICO AND FULTON  
1248 PM CDT TUE SEP 15 2026  
   
THIS AFTERNOON
 
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE AROUND 90. SOUTHWEST WINDS  
10 TO 15 MPH. CHANCE OF RAIN 20 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS IN  
THE EVENING, THEN NUMEROUS SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.  
CHANCE OF RAIN 70 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN MOSTLY SUNNY WITH ISOLATED  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 90. EAST  
WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON. CHANCE  
OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 100 IN THE AFTERNOON.   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. SOUTHEAST  
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT. CHANCE OF RAIN  
20 PERCENT.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 102.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND  
70. HIGHS AROUND 90.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.   
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.  
CHANCE OF RAIN 50 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
MOZ047-048-160100-  
MONITEAU MO-COLE MO-  
INCLUDING THE CITY OF JEFFERSON CITY  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE MID  
90S. WEST WINDS 10 TO 15 MPH. CHANCE OF RAIN 30 PERCENT. HEAT  
INDEX VALUES UP TO 103.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. HUMID WITH LOWS IN  
THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN  
50 PERCENT.    
WEDNESDAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN SUNNY WITH ISOLATED 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 40 PERCENT. HEAT INDEX VALUES UP TO  
103 IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 102 EARLY IN THE EVENING.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 104.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. HOT. LOWS IN  
THE LOWER 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 100.   
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 90S. CHANCE OF RAIN 20 PERCENT.   
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS AROUND 80. CHANCE  
OF RAIN 50 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 60S. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
MOZ041-160100-  
BOONE MO-  
INCLUDING THE CITY OF COLUMBIA  
1248 PM CDT TUE SEP 15 2026  
   
THIS AFTERNOON
 
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE LOWER 90S.  
SOUTHWEST WINDS 10 TO 15 MPH. CHANCE OF RAIN 20 PERCENT. HEAT  
INDEX VALUES UP TO 101.    
TONIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS IN  
THE EVENING, THEN NUMEROUS SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.  
CHANCE OF RAIN 70 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN SUNNY WITH ISOLATED SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 90. EAST WINDS  
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON. CHANCE OF RAIN  
50 PERCENT. HEAT INDEX VALUES UP TO 100 IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. HUMID WITH LOWS IN THE LOWER 70S.  
SOUTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 103.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
LOWER 70S. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 20 PERCENT.   
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.  
CHANCE OF RAIN 50 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
AROUND 60. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
ILZ095>097-MOZ018-019-026-027-034>036-160100-  
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  
1248 PM CDT TUE SEP 15 2026  
   
THIS AFTERNOON
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE UPPER 80S. WEST  
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN  
20 PERCENT.    
TONIGHT
 
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S.  
NORTH WINDS 5 TO 10 MPH. CHANCE OF RAIN 80 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS AND NUMEROUS  
THUNDERSTORMS IN THE MORNING, THEN PARTLY SUNNY WITH SCATTERED  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER  
80S. EAST WINDS AROUND 5 MPH. CHANCE OF RAIN 80 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. HUMID WITH LOWS IN THE LOWER 70S. EAST WINDS  
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT. CHANCE OF RAIN  
20 PERCENT.    
THURSDAY
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. HUMID WITH HIGHS IN THE UPPER 80S.  
NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT  
INDEX VALUES UP TO 100.    
THURSDAY NIGHT AND FRIDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE  
UPPER 80S. CHANCE OF RAIN 20 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 70.    
SATURDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. CHANCE OF RAIN 40 PERCENT.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 70S.  
CHANCE OF RAIN 50 PERCENT.    
SUNDAY NIGHT AND MONDAY
 
MOSTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE  
LOWER 70S. CHANCE OF RAIN 20 PERCENT.  
 

 
 
ILZ069-070-074-160100-  
CLINTON IL-MARION IL-WASHINGTON IL-  
INCLUDING THE CITIES OF CENTRALIA AND SALEM  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
SUNNY, WARMER. NEAR STEADY TEMPERATURE IN THE  
MID 90S. SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO  
106.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. HUMID WITH LOWS IN  
THE MID 70S. SOUTH WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.  
HEAT INDEX VALUES UP TO 100 EARLY IN THE EVENING.    
WEDNESDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HOT WITH HIGHS IN THE MID 90S. SOUTHEAST  
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE  
AFTERNOON. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO  
104.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 102 EARLY IN THE EVENING.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST  
WINDS AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 106.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 70S. HEAT INDEX  
VALUES UP TO 100 EARLY IN THE EVENING.    
FRIDAY
 
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 20 PERCENT.  
HEAT INDEX VALUES UP TO 100.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS IN THE LOWER 70S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. CHANCE OF RAIN  
20 PERCENT.    
SUNDAY
 
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.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 60S.  
CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.  
 

 
 
MOZ074-084-085-099-160100-  
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-  
INCLUDING THE CITY OF FARMINGTON  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID  
90S. SOUTH WINDS AROUND 5 MPH.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH.    
WEDNESDAY
 
SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HOT WITH HIGHS IN THE MID 90S. SOUTH WINDS AROUND  
5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 102.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 70S. SOUTH  
WINDS AROUND 5 MPH.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 104.    
THURSDAY NIGHT THROUGH SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 70.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 100.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SUNDAY
 
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.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 60S.  
CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HIGHS IN THE UPPER 70S. CHANCE OF RAIN  
40 PERCENT.  
 

 
 
MOZ060-160100-  
WARREN MO-  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
SUNNY WITH A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE  
LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
30 PERCENT. HEAT INDEX VALUES UP TO 102.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. HUMID WITH LOWS IN  
THE LOWER 70S. LIGHT AND VARIABLE WINDS. CHANCE OF RAIN  
50 PERCENT.    
WEDNESDAY
 
PARTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HUMID WITH HIGHS IN THE LOWER 90S. EAST  
WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON. CHANCE OF  
RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 103 IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
HUMID WITH LOWS IN THE LOWER 70S. LIGHT AND VARIABLE WINDS,  
BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT. CHANCE OF RAIN  
30 PERCENT. HEAT INDEX VALUES UP TO 101 EARLY IN THE EVENING.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE MID 90S. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 IN THE AFTERNOON.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND  
70. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.    
SATURDAY
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 20 PERCENT.    
SATURDAY 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  
UPPER 60S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS AROUND 60. CHANCE OF  
RAIN 40 PERCENT.    
MONDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
MOZ051-052-160100-  
MONTGOMERY MO-LINCOLN MO-  
1248 PM CDT TUE SEP 15 2026  
   
THIS AFTERNOON
 
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE LOWER 90S.  
SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT  
INDEX VALUES UP TO 102.    
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS. SCATTERED  
THUNDERSTORMS IN THE EVENING, THEN NUMEROUS THUNDERSTORMS AFTER  
MIDNIGHT. HUMID WITH LOWS IN THE LOWER 70S. EAST WINDS AROUND  
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT. CHANCE OF RAIN  
70 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN MOSTLY SUNNY WITH ISOLATED  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HUMID WITH HIGHS IN  
THE LOWER 90S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH IN  
THE AFTERNOON. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO  
101 IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
HUMID WITH LOWS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 5 MPH.  
CHANCE OF RAIN 20 PERCENT.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 105.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 70. HIGHS  
IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS AROUND 70.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 90. CHANCE OF RAIN 20 PERCENT.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. CHANCE  
OF RAIN 50 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 60. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
ILZ058-059-098-099-160100-  
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-  
1248 PM CDT TUE SEP 15 2026  
   
THIS AFTERNOON
 
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. WARMER. NEAR STEADY TEMPERATURE IN THE MID 90S.  
SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT.    
TONIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS  
IN THE EVENING, THEN MOSTLY CLOUDY WITH NUMEROUS SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHEAST  
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT. CHANCE OF  
RAIN 70 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH NUMEROUS SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN MOSTLY SUNNY WITH ISOLATED  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HUMID WITH HIGHS IN  
THE LOWER 90S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH IN  
THE AFTERNOON. CHANCE OF RAIN 70 PERCENT. HEAT INDEX VALUES UP TO  
100 IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 90S. SOUTHWEST WINDS AROUND  
5 MPH, BECOMING NORTHWEST IN THE AFTERNOON. HEAT INDEX VALUES UP  
TO 103.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS AROUND 70.    
FRIDAY
 
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF RAIN 20 PERCENT.   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 70.    
SATURDAY
 
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 20 PERCENT.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.  
CHANCE OF RAIN 40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.  
 

 
 
ILZ060-065-160100-  
MONTGOMERY IL-FAYETTE IL-  
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA  
1248 PM CDT TUE SEP 15 2026  
   
THIS AFTERNOON
 
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. WARMER. NEAR STEADY TEMPERATURE IN THE MID 90S.  
SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 102.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER  
70S. SOUTH WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
CHANCE OF RAIN 50 PERCENT.    
WEDNESDAY
 
PARTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HIGHS IN THE LOWER 90S. EAST WINDS AROUND  
5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON. CHANCE OF  
RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 100.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 103.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS AROUND 70.    
FRIDAY
 
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF RAIN 20 PERCENT.   
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS IN THE UPPER 60S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 60S. CHANCE OF RAIN 20 PERCENT.    
SUNDAY
 
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 40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 60. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.  
 

 
 
ILZ064-160100-  
BOND IL-  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. WARMER WITH HIGHS IN THE UPPER 90S. SOUTH WINDS  
5 TO 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN 20 PERCENT.  
HEAT INDEX VALUES UP TO 104.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. HUMID WITH LOWS IN  
THE LOWER 70S. SOUTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN  
50 PERCENT.    
WEDNESDAY
 
PARTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HUMID WITH HIGHS IN THE LOWER 90S. EAST  
WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.  
CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 102.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. LIGHT AND  
VARIABLE WINDS, BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.  
CHANCE OF RAIN 20 PERCENT.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 105.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
LOWER 70S. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. CHANCE OF RAIN  
20 PERCENT.    
SUNDAY
 
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.    
SUNDAY NIGHT AND MONDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE  
UPPER 70S. CHANCE OF RAIN 20 PERCENT.  
 

 
 
ILZ079-MOZ075-160100-  
RANDOLPH IL-SAINTE GENEVIEVE MO-  
INCLUDING THE CITIES OF CHESTER AND SPARTA  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID  
90S. SOUTH WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX  
VALUES UP TO 105.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS AROUND  
5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. HOT WITH HIGHS IN THE MID 90S. SOUTH WINDS AROUND  
5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
CLEAR. LOWS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH. HEAT  
INDEX VALUES UP TO 101 EARLY IN THE EVENING.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 105.    
THURSDAY NIGHT THROUGH SATURDAY
 
MOSTLY CLEAR. LOWS IN THE  
LOWER 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 100.    
SATURDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
RAIN 20 PERCENT.    
SUNDAY AND SUNDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE LOWER 60S.  
CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE MORNING. HIGHS IN THE UPPER 70S. CHANCE OF RAIN  
30 PERCENT.  
 

 
 
MOZ059-062-072-073-160100-  
GASCONADE MO-FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-  
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
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 102.    
TONIGHT
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS,  
MAINLY IN THE EVENING. LOWS IN THE LOWER 70S. SOUTHEAST WINDS  
AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HUMID WITH HIGHS IN THE MID 90S. SOUTHEAST WINDS  
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON. CHANCE OF RAIN  
40 PERCENT. HEAT INDEX VALUES UP TO 103.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO  
100 EARLY IN THE EVENING.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 105.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
LOWER 70S. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO 100.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
SATURDAY 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 UPPER 60S. CHANCE OF  
RAIN 40 PERCENT.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS AROUND 60. CHANCE OF  
RAIN 40 PERCENT.    
MONDAY
 
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.  
 

 
 
ILZ102-MOZ065-160100-  
MONROE IL-JEFFERSON MO-  
1248 PM CDT TUE SEP 15 2026  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY
 
 
   
THIS AFTERNOON
 
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID  
90S. SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 104.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 70S.  
SOUTH WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. HOT WITH HIGHS IN THE MID 90S. SOUTH WINDS AROUND  
5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 106.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO  
102 EARLY IN THE EVENING.    
THURSDAY
 
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST  
WINDS AROUND 5 MPH, BECOMING NORTHWEST AROUND 5 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
LOWER 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 60S. CHANCE OF  
RAIN 20 PERCENT.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE LOWER 60S.  
CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.  
 

 
 
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