545  
FNUS53 KLOT 010738  
FWFLOT  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
238 AM CDT WED JUL 1 2026  
   
DISCUSSION  
 
HOT AND HUMID WEATHER CONDITIONS WILL PERSIST ACROSS THE AREA FOR  
MUCH OF THE WEEK, WITH DAILY PEAK HEAT INDEX VALUES OVER 100  
DEGREES EACH AFTERNOON. A STRONG INVERSION WILL CONTINUE TO LIMIT  
MIXING HEIGHTS TO 4 TO 5 THOUSAND FEET TODAY, DESPITE BREEZY  
SOUTHWEST WINDS GUSTING AROUND 30 MPH AT TIMES DURING THE  
AFTERNOON HOURS. THUNDERSTORM CHANCES WILL BEGIN TO INCREASE LATE  
THURSDAY AND THURSDAY NIGHT, WITH THE WEATHER PATTERN LIKELY TO  
BECOME MORE ACTIVE INTO THE WEEKEND WITH AT LEAST PERIODIC STORM  
CHANCES.  
 
ILZ014-012115-  
COOK-  
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,  
LEMONT, ORLAND PARK, AND PARK FOREST  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 50  
MAX TEMP (24HR TREND) 95 (+2) 94  
MIN RH % (24HR TREND) 45 (-11) 44  
MIN TEMP (24HR TREND) 77 (-1) 75  
MAX RH % (24HR TREND) 84 (-5) 92  
20FT WIND AM (MPH) SW 10-15 SW 10-12  
20FT WIND PM (MPH) SW 10-15 SW 9-11 SW 10-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 25 23 24  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.05-0.10  
11 AM MIXING HGT (FT) 3700 3600  
MAX MIXING HGT (FT) 5500 6500  
TRANSPORT WND (MPH) SW 20 SW 17  
VENT RATE (MPH-FT) 115500 110500  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH SHOWERS AND  
THUNDERSTORMS LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 70. SOUTHEAST  
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. NORTH WINDS  
AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND  
5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,  
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT WINDS.  
 
 
 
ILZ006-012115-  
LAKE IL-  
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,  
AND GURNEE  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 40 60  
MAX TEMP (24HR TREND) 94 (+1) 93  
MIN RH % (24HR TREND) 46 (-10) 47  
MIN TEMP (24HR TREND) 76 (-2) 74  
MAX RH % (24HR TREND) 85 (-5) 93  
20FT WIND AM (MPH) SW 10-15 SW 10-11  
20FT WIND PM (MPH) SW 10-15 SW 9-11 SW 10-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 24 20 20  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.10-0.25  
11 AM MIXING HGT (FT) 3300 3000  
MAX MIXING HGT (FT) 5100 5300  
TRANSPORT WND (MPH) SW 21 SW 17  
VENT RATE (MPH-FT) 112200 90100  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY WITH SHOWERS AND THUNDERSTORMS LIKELY.  
HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY,  
MAINLY IN THE EVENING. LOWS IN THE UPPER 60S. SOUTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH,  
BECOMING NORTH IN THE AFTERNOON.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER 60S. EAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
SUNDAY  
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
SUNNY. A CHANCE OF SHOWERS. HIGHS IN THE MID 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH  
IN THE EVENING, BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,  
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
INZ001-012115-  
LAKE IN-  
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 40  
MAX TEMP (24HR TREND) 93 (+2) 93  
MIN RH % (24HR TREND) 54 (-5) 51  
MIN TEMP (24HR TREND) 76 (0) 75  
MAX RH % (24HR TREND) 89 (-9) 95  
20FT WIND AM (MPH) SW 8-12 SW 9-11  
20FT WIND PM (MPH) SW 8-12 SW 7-9 SW 9-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 24 20 23  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3400 3300  
MAX MIXING HGT (FT) 5100 5600  
TRANSPORT WND (MPH) SW 19 SW 17  
VENT RATE (MPH-FT) 102000 95200  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND THUNDERSTORMS  
LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.  
LOWS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH IN THE EVENING,  
BECOMING LIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. NORTH WINDS  
AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH IN THE EVENING,  
BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND  
5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,  
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
INZ002-012115-  
PORTER-  
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 40  
MAX TEMP (24HR TREND) 93 (+2) 93  
MIN RH % (24HR TREND) 57 (-4) 56  
MIN TEMP (24HR TREND) 76 (0) 75  
MAX RH % (24HR TREND) 88 (-8) 95  
20FT WIND AM (MPH) SW 8-11 SW 9-11  
20FT WIND PM (MPH) SW 8-11 SW 7-9 SW 9-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 20 17 19  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3200 3200  
MAX MIXING HGT (FT) 5200 4800  
TRANSPORT WND (MPH) SW 18 SW 16  
VENT RATE (MPH-FT) 93600 76800  
VENT RATE CATEGORY GOOD FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND THUNDERSTORMS  
LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER 60S. WEST  
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. NORTH WINDS  
AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH IN THE EVENING,  
BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND  
5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. EAST WINDS AROUND  
5 MPH, BECOMING NORTH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
ILZ013-012115-  
DUPAGE-  
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, AND CAROL STREAM  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR MCLEAR CLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 50  
MAX TEMP (24HR TREND) 94 (+2) 93  
MIN RH % (24HR TREND) 50 (-8) 46  
MIN TEMP (24HR TREND) 77 (0) 75  
MAX RH % (24HR TREND) 86 (-4) 94  
20FT WIND AM (MPH) SW 10-15 SW 10-12  
20FT WIND PM (MPH) SW 10-15 SW 9-11 SW 10-12 SW 5-7  
PEAK WIND GUSTS (MPH) 26 24 23  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.10-0.25  
11 AM MIXING HGT (FT) 3500 3400  
MAX MIXING HGT (FT) 5300 5900  
TRANSPORT WND (MPH) SW 20 SW 17  
VENT RATE (MPH-FT) 111300 100300  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE MID  
70S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 70. EAST WINDS  
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS  
AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTH WINDS  
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH IN  
THE EVENING, BECOMING LIGHT.  
 
 
 
ILZ012-012115-  
KANE-  
INCLUDING THE CITIES OF AURORA AND ELGIN  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 20 50  
MAX TEMP (24HR TREND) 92 (+2) 91  
MIN RH % (24HR TREND) 56 (-9) 55  
MIN TEMP (24HR TREND) 75 (-1) 74  
MAX RH % (24HR TREND) 87 (-8) 94  
20FT WIND AM (MPH) SW 10-15 SW 10-12  
20FT WIND PM (MPH) SW 10-15 SW 9-11 SW 10-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 25 20 23  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.10-0.25  
11 AM MIXING HGT (FT) 2900 3100  
MAX MIXING HGT (FT) 4700 4600  
TRANSPORT WND (MPH) SW 19 SW 19  
VENT RATE (MPH-FT) 94000 92000  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS  
LIKELY IN THE EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER 60S.  
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH.   
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS AROUND 5 MPH IN  
THE EVENING, BECOMING LIGHT.  
 
 
 
ILZ005-012115-  
MCHENRY-  
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,  
AND WOODSTOCK  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 40 50  
MAX TEMP (24HR TREND) 92 (+1) 91  
MIN RH % (24HR TREND) 55 (-9) 56  
MIN TEMP (24HR TREND) 75 (-1) 73  
MAX RH % (24HR TREND) 86 (-7) 94  
20FT WIND AM (MPH) SW 10-15 SW 10-11  
20FT WIND PM (MPH) SW 10-15 SW 9-11 SW 10-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 24 18 23  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.01-0.05  
11 AM MIXING HGT (FT) 2900 2700  
MAX MIXING HGT (FT) 4700 4600  
TRANSPORT WND (MPH) SW 20 SW 18  
VENT RATE (MPH-FT) 98700 82800  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
SHOWERS AND THUNDERSTORMS. HIGHS AROUND 90. SOUTHWEST  
WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS  
LIKELY IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER 60S. EAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
80S. NORTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH  
IN THE EVENING, BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,  
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.  
 
 
 
ILZ004-012115-  
BOONE-  
INCLUDING THE CITY OF BELVIDERE  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 10 40 60  
MAX TEMP (24HR TREND) 92 (+2) 91  
MIN RH % (24HR TREND) 54 (-10) 56  
MIN TEMP (24HR TREND) 75 (-1) 73  
MAX RH % (24HR TREND) 87 (-7) 95  
20FT WIND AM (MPH) SW 10-15 SW 10-11  
20FT WIND PM (MPH) SW 10-15 SW 9-11 SW 10-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 24 20 20  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.10-0.25  
11 AM MIXING HGT (FT) 3100 2400  
MAX MIXING HGT (FT) 4800 4400  
TRANSPORT WND (MPH) SW 20 SW 18  
VENT RATE (MPH-FT) 100800 79200  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
SHOWERS AND THUNDERSTORMS. HIGHS AROUND 90. SOUTHWEST  
WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS  
LIKELY IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY WITH SHOWERS AND THUNDERSTORMS LIKELY.  
HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER 60S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
80S. NORTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.  
 
 
 
ILZ011-012115-  
DE KALB-  
INCLUDING THE CITIES OF DEKALB AND SYCAMORE  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR MCLEAR CLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 20 50  
MAX TEMP (24HR TREND) 92 (+2) 91  
MIN RH % (24HR TREND) 57 (-11) 59  
MIN TEMP (24HR TREND) 75 (0) 74  
MAX RH % (24HR TREND) 87 (-10) 94  
20FT WIND AM (MPH) SW 10-15 SW 10-12  
20FT WIND PM (MPH) SW 10-15 SW 9-11 SW 10-12 SW 5-6  
PEAK WIND GUSTS (MPH) 25 20 23  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.10-0.25  
11 AM MIXING HGT (FT) 2900 3200  
MAX MIXING HGT (FT) 4700 4400  
TRANSPORT WND (MPH) SW 19 SW 19  
VENT RATE (MPH-FT) 94000 88000  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS  
LIKELY IN THE EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER 60S. SOUTH  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH.   
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS  
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS AROUND 5 MPH IN  
THE EVENING, BECOMING LIGHT.  
 
 
 
ILZ003-012115-  
WINNEBAGO-  
INCLUDING THE CITY OF ROCKFORD  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 10 40 60  
MAX TEMP (24HR TREND) 92 (+1) 91  
MIN RH % (24HR TREND) 52 (-10) 56  
MIN TEMP (24HR TREND) 75 (-1) 73  
MAX RH % (24HR TREND) 87 (-7) 95  
20FT WIND AM (MPH) SW 10-15 SW 10-11  
20FT WIND PM (MPH) SW 10-15 SW 9-11 SW 10-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 25 20 20  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.05-0.10  
11 AM MIXING HGT (FT) 3300 2500  
MAX MIXING HGT (FT) 5000 4400  
TRANSPORT WND (MPH) SW 20 SW 17  
VENT RATE (MPH-FT) 105000 74800  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
SHOWERS AND THUNDERSTORMS. HIGHS AROUND 90. SOUTHWEST  
WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS  
LIKELY IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS IN THE EVENING. SHOWERS  
LIKELY. LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH IN THE  
EVENING, BECOMING LIGHT.    
SUNDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE MID 80S. NORTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.  
 
 
 
ILZ008-012115-  
OGLE-  
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 30 50  
MAX TEMP (24HR TREND) 92 (+2) 91  
MIN RH % (24HR TREND) 55 (-11) 59  
MIN TEMP (24HR TREND) 75 (0) 74  
MAX RH % (24HR TREND) 85 (-10) 94  
20FT WIND AM (MPH) SW 10-15 SW 10-11  
20FT WIND PM (MPH) SW 10-15 SW 9-11 SW 10-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 25 23 20  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50  
11 AM MIXING HGT (FT) 3000 2900  
MAX MIXING HGT (FT) 4800 4400  
TRANSPORT WND (MPH) SW 20 SW 18  
VENT RATE (MPH-FT) 100800 79200  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY WITH SHOWERS AND THUNDERSTORMS LIKELY.  
HIGHS AROUND 90. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY,  
MAINLY IN THE EVENING. LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS IN THE EVENING. SHOWERS  
LIKELY. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH,  
BECOMING EAST AFTER MIDNIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
80S. NORTHEAST WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH  
IN THE EVENING, BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
ILZ010-012115-  
LEE-  
INCLUDING THE CITY OF DIXON  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR MCLEAR CLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 10 50  
MAX TEMP (24HR TREND) 92 (+2) 92  
MIN RH % (24HR TREND) 57 (-8) 59  
MIN TEMP (24HR TREND) 75 (0) 74  
MAX RH % (24HR TREND) 85 (-11) 94  
20FT WIND AM (MPH) SW 10-15 SW 10  
20FT WIND PM (MPH) SW 10-15 SW 8-11 SW 10 SW 5-6  
PEAK WIND GUSTS (MPH) 24 19 20  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.25-0.50  
11 AM MIXING HGT (FT) 2900 3100  
MAX MIXING HGT (FT) 4800 4300  
TRANSPORT WND (MPH) SW 20 SW 18  
VENT RATE (MPH-FT) 100800 77400  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY,  
MAINLY IN THE EVENING. LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS  
IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH, BECOMING EAST AFTER  
MIDNIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS  
AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS  
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
ILZ019-012115-  
LA SALLE-  
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,  
AND MARSEILLES  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 40  
MAX TEMP (24HR TREND) 92 (+1) 92  
MIN RH % (24HR TREND) 59 (-4) 59  
MIN TEMP (24HR TREND) 76 (0) 75  
MAX RH % (24HR TREND) 87 (-8) 94  
20FT WIND AM (MPH) SW 8-12 SW 9-10  
20FT WIND PM (MPH) SW 8-12 S 7-9 SW 9-10 LGT/VAR  
PEAK WIND GUSTS (MPH) 24 17 19  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.10-0.25  
11 AM MIXING HGT (FT) 2900 3100  
MAX MIXING HGT (FT) 4700 4300  
TRANSPORT WND (MPH) SW 18 SW 18  
VENT RATE (MPH-FT) 84600 77400  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND THUNDERSTORMS  
LIKELY AFTER MIDNIGHT. LOWS IN THE MID 70S. SOUTH WINDS AROUND  
5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS  
IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING  
SOUTHEAST AFTER MIDNIGHT.    
SUNDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 80S. NORTHEAST WINDS AROUND  
5 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS  
AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS  
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
ILZ020-012115-  
KENDALL-  
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 40  
MAX TEMP (24HR TREND) 92 (0) 92  
MIN RH % (24HR TREND) 59 (-4) 58  
MIN TEMP (24HR TREND) 77 (+2) 74  
MAX RH % (24HR TREND) 87 (-11) 94  
20FT WIND AM (MPH) SW 10-15 SW 9-11  
20FT WIND PM (MPH) SW 10-15 SW 8-10 SW 9-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 24 19 23  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.10-0.25  
11 AM MIXING HGT (FT) 3000 3400  
MAX MIXING HGT (FT) 4700 4300  
TRANSPORT WND (MPH) SW 19 SW 18  
VENT RATE (MPH-FT) 94000 77400  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS AROUND 90. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH SHOWERS AND  
THUNDERSTORMS LIKELY AFTER MIDNIGHT. LOWS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 70. SOUTH WINDS  
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. NORTH  
WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHEAST WINDS AROUND  
5 MPH IN THE EVENING, BECOMING LIGHT.  
 
 
 
ILZ021-012115-  
GRUNDY-  
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 40  
MAX TEMP (24HR TREND) 92 (0) 92  
MIN RH % (24HR TREND) 58 (-6) 57  
MIN TEMP (24HR TREND) 77 (+1) 75  
MAX RH % (24HR TREND) 84 (-13) 94  
20FT WIND AM (MPH) SW 8-11 SW 9-10  
20FT WIND PM (MPH) SW 8-11 SW 7-9 SW 9-10 LGT/VAR  
PEAK WIND GUSTS (MPH) 23 16 19  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3100 3400  
MAX MIXING HGT (FT) 4700 4400  
TRANSPORT WND (MPH) SW 18 SW 17  
VENT RATE (MPH-FT) 84600 74800  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND THUNDERSTORMS  
LIKELY AFTER MIDNIGHT. LOWS IN THE MID 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 60S. LIGHT WINDS.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
ILZ022-012115-  
WILL-  
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 40  
MAX TEMP (24HR TREND) 92 (0) 92  
MIN RH % (24HR TREND) 58 (-4) 54  
MIN TEMP (24HR TREND) 76 (0) 75  
MAX RH % (24HR TREND) 88 (-10) 94  
20FT WIND AM (MPH) SW 8-12 SW 9-11  
20FT WIND PM (MPH) SW 8-12 SW 8-10 SW 9-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 25 23 23  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.05-0.10  
11 AM MIXING HGT (FT) 3200 3500  
MAX MIXING HGT (FT) 4900 5000  
TRANSPORT WND (MPH) SW 19 SW 17  
VENT RATE (MPH-FT) 98000 85000  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH SHOWERS AND  
THUNDERSTORMS LIKELY AFTER MIDNIGHT. LOWS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 70. EAST WINDS  
AROUND 5 MPH.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. NORTHEAST  
WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH IN THE EVENING,  
BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
ILZ032-012115-  
LIVINGSTON-  
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 40  
MAX TEMP (24HR TREND) 92 (0) 93  
MIN RH % (24HR TREND) 60 (-8) 57  
MIN TEMP (24HR TREND) 76 (0) 75  
MAX RH % (24HR TREND) 85 (-14) 95  
20FT WIND AM (MPH) SW 8-11 SW 8-10  
20FT WIND PM (MPH) SW 8-11 S 7-9 SW 8-10 LGT/VAR  
PEAK WIND GUSTS (MPH) 23 16 19  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3000 3000  
MAX MIXING HGT (FT) 4400 4000  
TRANSPORT WND (MPH) SW 18 SW 17  
VENT RATE (MPH-FT) 79200 68000  
VENT RATE CATEGORY GOOD FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
SUNDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 5 MPH,  
BECOMING NORTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH IN  
THE EVENING, BECOMING LIGHT.    
MONDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 80S. NORTHEAST WINDS AROUND  
5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.    
TUESDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS  
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
ILZ023-012115-  
KANKAKEE-  
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 40  
MAX TEMP (24HR TREND) 92 (0) 93  
MIN RH % (24HR TREND) 58 (-3) 54  
MIN TEMP (24HR TREND) 76 (0) 75  
MAX RH % (24HR TREND) 88 (-11) 97  
20FT WIND AM (MPH) SW 7-10 SW 8-10  
20FT WIND PM (MPH) SW 7-10 SW 6-8 SW 8-10 LGT/VAR  
PEAK WIND GUSTS (MPH) 23 15 19  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3200 3400  
MAX MIXING HGT (FT) 4900 4700  
TRANSPORT WND (MPH) SW 18 SW 16  
VENT RATE (MPH-FT) 88200 75200  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND THUNDERSTORMS  
LIKELY AFTER MIDNIGHT. LOWS IN THE MID 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A  
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER  
MIDNIGHT. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH IN  
THE EVENING, BECOMING LIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. EAST  
WINDS AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 60S. LIGHT WINDS.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,  
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS,  
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.  
 
 
 
ILZ039-012115-  
FORD-  
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 30  
MAX TEMP (24HR TREND) 92 (+1) 93  
MIN RH % (24HR TREND) 59 (-12) 55  
MIN TEMP (24HR TREND) 76 (+1) 75  
MAX RH % (24HR TREND) 88 (-11) 96  
20FT WIND AM (MPH) SW 7-10 SW 8-10  
20FT WIND PM (MPH) SW 7-10 S 7-9 SW 8-10 LGT/VAR  
PEAK WIND GUSTS (MPH) 20 15 19  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3000 3000  
MAX MIXING HGT (FT) 4600 4100  
TRANSPORT WND (MPH) SW 17 SW 16  
VENT RATE (MPH-FT) 78200 65600  
VENT RATE CATEGORY GOOD FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.   
SATURDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 70. SOUTH WINDS AROUND 5 MPH.    
SUNDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 5 MPH,  
BECOMING WEST IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH IN  
THE EVENING, BECOMING LIGHT.    
MONDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. NORTH WINDS AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHEAST WINDS  
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
ILZ033-012115-  
IROQUOIS-  
INCLUDING THE CITIES OF WATSEKA AND GILMAN  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 30  
MAX TEMP (24HR TREND) 92 (0) 93  
MIN RH % (24HR TREND) 59 (-9) 54  
MIN TEMP (24HR TREND) 76 (0) 75  
MAX RH % (24HR TREND) 88 (-10) 96  
20FT WIND AM (MPH) SW 6-10 SW 7-9  
20FT WIND PM (MPH) SW 6-10 S 6-8 SW 7-9 LGT/VAR  
PEAK WIND GUSTS (MPH) 19 13 17  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3000 3000  
MAX MIXING HGT (FT) 4800 4500  
TRANSPORT WND (MPH) SW 17 SW 14  
VENT RATE (MPH-FT) 81600 67500  
VENT RATE CATEGORY GOOD FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY  
AFTER MIDNIGHT. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH  
IN THE EVENING, BECOMING LIGHT.    
SATURDAY  
PARTLY SUNNY WITH SHOWERS AND THUNDERSTORMS LIKELY.  
HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 70. LIGHT WINDS.    
SUNDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 5 MPH,  
BECOMING NORTH IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT WINDS.    
MONDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING NORTH  
AROUND 5 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
INZ010-012115-  
NEWTON-  
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 40  
MAX TEMP (24HR TREND) 93 (+2) 93  
MIN RH % (24HR TREND) 57 (-5) 51  
MIN TEMP (24HR TREND) 76 (0) 75  
MAX RH % (24HR TREND) 88 (-10) 96  
20FT WIND AM (MPH) SW 7-10 SW 8-9  
20FT WIND PM (MPH) SW 7-10 SW 6-8 SW 8-9 LGT/VAR  
PEAK WIND GUSTS (MPH) 19 13 19  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3200 3000  
MAX MIXING HGT (FT) 5100 4800  
TRANSPORT WND (MPH) SW 17 SW 16  
VENT RATE (MPH-FT) 86700 76800  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY  
AFTER MIDNIGHT. LOWS IN THE LOWER 70S. LIGHT WINDS, BECOMING  
SOUTH AROUND 5 MPH AFTER MIDNIGHT.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 60S. LIGHT WINDS.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. EAST  
WINDS AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 60S. LIGHT WINDS.    
MONDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING NORTH  
AROUND 5 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,  
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.  
 
 
 
INZ011-012115-  
JASPER-  
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE  
238 AM CDT WED JUL 1 2026  
 
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY  
NIGHT...  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 30  
MAX TEMP (24HR TREND) 93 (+2) 93  
MIN RH % (24HR TREND) 57 (-5) 53  
MIN TEMP (24HR TREND) 76 (0) 75  
MAX RH % (24HR TREND) 88 (-12) 96  
20FT WIND AM (MPH) SW 7-10 SW 8-10  
20FT WIND PM (MPH) SW 7-10 SW 6-8 SW 8-10 LGT/VAR  
PEAK WIND GUSTS (MPH) 19 13 19  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3200 3200  
MAX MIXING HGT (FT) 5200 4800  
TRANSPORT WND (MPH) SW 17 SW 16  
VENT RATE (MPH-FT) 88400 76800  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND THUNDERSTORMS  
LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHWEST WINDS AROUND  
5 MPH IN THE EVENING, BECOMING LIGHT.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. EAST  
WINDS AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 60S. LIGHT WINDS.    
MONDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. NORTH WINDS AROUND 5 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,  
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.  
 
 
 
INZ019-012115-  
BENTON-  
INCLUDING THE CITIES OF FOWLER AND OXFORD  
338 AM EDT WED JUL 1 2026  
   
..EXTREME HEAT WARNING IN EFFECT UNTIL 1 AM EDT FRIDAY  
 
TODAY TONIGHT THU THU NIGHT  
 
CLOUD COVER CLEAR CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 10 30  
MAX TEMP (24HR TREND) 92 (+1) 93  
MIN RH % (24HR TREND) 59 (-7) 55  
MIN TEMP (24HR TREND) 75 (-1) 75  
MAX RH % (24HR TREND) 90 (-9) 96  
20FT WIND AM (MPH) SW 6-9 SW 7-9  
20FT WIND PM (MPH) SW 6-9 S 6-7 SW 7-9 LGT/VAR  
PEAK WIND GUSTS (MPH) 19 17  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3200 3200  
MAX MIXING HGT (FT) 4800 4200  
TRANSPORT WND (MPH) SW 16 SW 16  
VENT RATE (MPH-FT) 76800 67200  
VENT RATE CATEGORY GOOD FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
FRIDAY  
MOSTLY SUNNY. SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 60S. LIGHT WINDS.    
SUNDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. EAST WINDS  
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.    
SUNDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 60S. LIGHT WINDS.   
MONDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. LIGHT WINDS, BECOMING NORTH  
AROUND 5 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. LIGHT WINDS,  
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. LIGHT  
WINDS.  
 
 
 
- IZZI  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
The Nexlab IN Page
Main Text Page