412  
FNUS53 KLOT 122040  
FWFLOT  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
340 PM CDT MON MAY 12 2025  
   
DISCUSSION  
 
THERE IS A CHANCE FOR SHOWERS AND PERHAPS AN ISOLATED  
THUNDERSTORM MAINLY VERY LATE THIS AFTERNOON AND INTO THE EVENING.  
OTHERWISE, TEMPERATURES WILL RANGE FROM NEAR 60 AT THE ILLINOIS  
LAKESHORE TO THE MID 80S INLAND. SCATTERED SHOWERS AND STORMS ARE  
AGAIN POSSIBLE ON TUESDAY AND WEDNESDAY AFTERNOONS. WARM, ABOVE  
NORMAL HIGH TEMPERATURES WILL CONTINUE INLAND OF LAKE MICHIGAN.  
ONSHORE WINDS WILL KEEP AFTERNOON TEMPERATURES COOLER AND MIXING  
HEIGHTS LOWER NEAR THE LAKE.  
 
ON THURSDAY, VERY WARM TO HOT, HUMID, AND BREEZY CONDITIONS MAY  
SET THE STAGE FOR THUNDERSTORM DEVELOPMENT (POSSIBLY SEVERE) AHEAD  
OF A COLD FRONT INTO THE EVENING. ON FRIDAY, THE POTENTIAL EXISTS  
FOR STRONG SOUTHWESTERLY WINDS, POSSIBLY GUSTING ABOVE 40 MPH,  
ALONG WITH AFTERNOON RH VALUES FALLING BELOW 25 PERCENT WHICH MAY  
YIELD ELEVATED TO NEAR RED FLAG FIRE CONDITIONS. THEREAFTER, COOLER  
AND PRIMARILY DRY CONDITIONS ARE EXPECTED INTO THE WEEKEND.  
 
ILZ014-130930-  
COOK-  
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,  
LEMONT, ORLAND PARK, AND PARK FOREST  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 30 10 30  
MAX TEMP (24HR TREND) 76 (-1) 81  
MIN RH % (24HR TREND) 58 (+21) 51  
MIN TEMP (24HR TREND) 58 (+10) 56  
MAX RH % (24HR TREND) 94 (+9) 94  
20FT WIND AM (MPH) SE 5 LGT/VAR  
20FT WIND PM (MPH) LGT/VAR E 5 LGT/VAR SE 4-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2600 2800  
MAX MIXING HGT (FT) 4000 4500  
TRANSPORT WND (MPH) E 8 SE 9  
VENT RATE (MPH-FT) 32000 40500  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 
 
 
ILZ006-130930-  
LAKE IL-  
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,  
AND GURNEE  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 30 10 20  
MAX TEMP (24HR TREND) 74 (-4) 78  
MIN RH % (24HR TREND) 63 (+28) 57  
MIN TEMP (24HR TREND) 55 (+11) 54  
MAX RH % (24HR TREND) 91 (+6) 99  
20FT WIND AM (MPH) SE 5-6 LGT/VAR  
20FT WIND PM (MPH) LGT/VAR E 5-6 LGT/VAR E 4-7  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2000 2400  
MAX MIXING HGT (FT) 3600 3800  
TRANSPORT WND (MPH) E 9 SE 9  
VENT RATE (MPH-FT) 32400 34200  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 60. SOUTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
AROUND 15 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND  
10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 5 MPH.  
 
 
 
INZ001-130930-  
LAKE IN-  
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 40 10 30  
MAX TEMP (24HR TREND) 76 (-4) 80  
MIN RH % (24HR TREND) 59 (+22) 52  
MIN TEMP (24HR TREND) 59 (+10) 57  
MAX RH % (24HR TREND) 95 (+15) 98  
20FT WIND AM (MPH) SE 5 LGT/VAR  
20FT WIND PM (MPH) SE 5-6 E 5 LGT/VAR SE 4-5  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2900 3200  
MAX MIXING HGT (FT) 4200 4900  
TRANSPORT WND (MPH) E 6 SE 9  
VENT RATE (MPH-FT) 29400 44100  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. EAST  
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS 10 TO  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 70. NORTHWEST WINDS 5 TO  
10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS  
AROUND 5 MPH.  
 
 
 
INZ002-130930-  
PORTER-  
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 30 40 20 40  
MAX TEMP (24HR TREND) 76 (-5) 79  
MIN RH % (24HR TREND) 58 (+23) 52  
MIN TEMP (24HR TREND) 60 (+11) 58  
MAX RH % (24HR TREND) 92 (+17) 97  
20FT WIND AM (MPH) SE 5 LGT/VAR  
20FT WIND PM (MPH) SE 5-6 E 5 LGT/VAR SE 3-5  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.01-0.05 0.01-0.05  
11 AM MIXING HGT (FT) 2900 3300  
MAX MIXING HGT (FT) 3800 4500  
TRANSPORT WND (MPH) E 6 SE 8  
VENT RATE (MPH-FT) 26600 36000  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 10 TO  
15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
10 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS  
5 TO 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS AROUND 5 MPH.  
 
 
 
ILZ013-130930-  
DUPAGE-  
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, AND CAROL STREAM  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 40 10 30  
MAX TEMP (24HR TREND) 76 (-5) 81  
MIN RH % (24HR TREND) 58 (+26) 50  
MIN TEMP (24HR TREND) 61 (+12) 59  
MAX RH % (24HR TREND) 94 (+10) 96  
20FT WIND AM (MPH) SE 5 LGT/VAR  
20FT WIND PM (MPH) LGT/VAR SE 5 LGT/VAR SE 4-7  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2400 3100  
MAX MIXING HGT (FT) 4000 4700  
TRANSPORT WND (MPH) SE 8 SE 10  
VENT RATE (MPH-FT) 32000 47000  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 
 
 
ILZ012-130930-  
KANE-  
INCLUDING THE CITIES OF AURORA AND ELGIN  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 40 10 30  
MAX TEMP (24HR TREND) 77 (-4) 81  
MIN RH % (24HR TREND) 57 (+24) 50  
MIN TEMP (24HR TREND) 60 (+12) 58  
MAX RH % (24HR TREND) 94 (+12) 98  
20FT WIND AM (MPH) SE 5 LGT/VAR  
20FT WIND PM (MPH) LGT/VAR SE 5 LGT/VAR SE 4-7  
PEAK WIND GUSTS (MPH) 13  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2400 3100  
MAX MIXING HGT (FT) 3900 4700  
TRANSPORT WND (MPH) SE 8 SE 10  
VENT RATE (MPH-FT) 31200 47000  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 50. NORTHWEST WINDS  
5 TO 10 MPH.    
SUNDAY  
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 
 
 
ILZ005-130930-  
MCHENRY-  
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,  
AND WOODSTOCK  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 30 10 30  
MAX TEMP (24HR TREND) 75 (-6) 79  
MIN RH % (24HR TREND) 60 (+26) 53  
MIN TEMP (24HR TREND) 58 (+11) 57  
MAX RH % (24HR TREND) 92 (+12) 100  
20FT WIND AM (MPH) SE 5 LGT/VAR  
20FT WIND PM (MPH) LGT/VAR SE 5 LGT/VAR SE 4-7  
PEAK WIND GUSTS (MPH) 13  
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2200 2900  
MAX MIXING HGT (FT) 4000 4400  
TRANSPORT WND (MPH) SE 8 SE 10  
VENT RATE (MPH-FT) 32000 44000  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS  
AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS 15 TO 20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
AROUND 15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 5 MPH.  
 
 
 
ILZ004-130930-  
BOONE-  
INCLUDING THE CITY OF BELVIDERE  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 40 10 30  
MAX TEMP (24HR TREND) 76 (-6) 80  
MIN RH % (24HR TREND) 57 (+26) 51  
MIN TEMP (24HR TREND) 59 (+10) 58  
MAX RH % (24HR TREND) 90 (+12) 98  
20FT WIND AM (MPH) SE 5 LGT/VAR  
20FT WIND PM (MPH) LGT/VAR SE 5 LGT/VAR SE 4-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.01-0.05 0.05-0.10 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2400 3100  
MAX MIXING HGT (FT) 4000 4900  
TRANSPORT WND (MPH) SE 8 SE 10  
VENT RATE (MPH-FT) 32000 49000  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
AROUND 15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ011-130930-  
DE KALB-  
INCLUDING THE CITIES OF DEKALB AND SYCAMORE  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 50 10 30  
MAX TEMP (24HR TREND) 77 (-6) 81  
MIN RH % (24HR TREND) 54 (+23) 45  
MIN TEMP (24HR TREND) 61 (+11) 59  
MAX RH % (24HR TREND) 93 (+15) 98  
20FT WIND AM (MPH) SE 5 SE 5-7  
20FT WIND PM (MPH) E 5-6 SE 5 LGT/VAR SE 5-7  
PEAK WIND GUSTS (MPH) 14  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00  
11 AM MIXING HGT (FT) 2400 3500  
MAX MIXING HGT (FT) 4000 5200  
TRANSPORT WND (MPH) SE 8 S 10  
VENT RATE (MPH-FT) 32000 52000  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 15 TO  
20 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 50. NORTHWEST WINDS  
5 TO 10 MPH.    
SUNDAY  
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS AROUND 10 MPH.  
 
 
 
ILZ003-130930-  
WINNEBAGO-  
INCLUDING THE CITY OF ROCKFORD  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 20 40 10 30  
MAX TEMP (24HR TREND) 77 (-7) 81  
MIN RH % (24HR TREND) 55 (+27) 46  
MIN TEMP (24HR TREND) 60 (+10) 58  
MAX RH % (24HR TREND) 88 (+14) 98  
20FT WIND AM (MPH) SE 5-6 SE 5-7  
20FT WIND PM (MPH) LGT/VAR SE 5-6 LGT/VAR SE 5-7  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2700 3500  
MAX MIXING HGT (FT) 4200 5200  
TRANSPORT WND (MPH) SE 9 SE 11  
VENT RATE (MPH-FT) 37800 62400  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
AROUND 15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
SUNNY. HIGHS AROUND 70. NORTHWEST WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ008-130930-  
OGLE-  
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 20 50 10 30  
MAX TEMP (24HR TREND) 78 (-7) 83  
MIN RH % (24HR TREND) 52 (+25) 43  
MIN TEMP (24HR TREND) 61 (+10) 59  
MAX RH % (24HR TREND) 91 (+18) 97  
20FT WIND AM (MPH) SE 5-6 SE 5-7  
20FT WIND PM (MPH) LGT/VAR SE 5-6 LGT/VAR SE 5-7  
PEAK WIND GUSTS (MPH) 13  
PRECIP AMOUNT (IN) 0.01-0.05 0.05-0.10 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2800 3900  
MAX MIXING HGT (FT) 4200 5400  
TRANSPORT WND (MPH) SE 9 S 11  
VENT RATE (MPH-FT) 37800 64800  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 60. SOUTHWEST WINDS  
AROUND 15 MPH.    
FRIDAY  
SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS 15 TO 20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 50. NORTHWEST WINDS  
5 TO 10 MPH.    
SUNDAY  
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS  
AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ010-130930-  
LEE-  
INCLUDING THE CITY OF DIXON  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 50 10 20  
MAX TEMP (24HR TREND) 78 (-7) 83  
MIN RH % (24HR TREND) 50 (+23) 43  
MIN TEMP (24HR TREND) 62 (+10) 60  
MAX RH % (24HR TREND) 90 (+19) 96  
20FT WIND AM (MPH) SE 5-6 SE 6-7  
20FT WIND PM (MPH) SE 5-6 SE 5-6 LGT/VAR SE 6-7  
PEAK WIND GUSTS (MPH) 14  
PRECIP AMOUNT (IN) 0.01-0.05 0.01-0.05 0.00 0.00  
11 AM MIXING HGT (FT) 3000 4000  
MAX MIXING HGT (FT) 4500 5800  
TRANSPORT WND (MPH) SE 9 SE 12  
VENT RATE (MPH-FT) 40500 75400  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 15 TO  
20 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS AROUND 10 MPH.  
 
 
 
ILZ019-130930-  
LA SALLE-  
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,  
AND MARSEILLES  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 50 10 20  
MAX TEMP (24HR TREND) 79 (-4) 83  
MIN RH % (24HR TREND) 50 (+18) 42  
MIN TEMP (24HR TREND) 62 (+11) 61  
MAX RH % (24HR TREND) 90 (+16) 93  
20FT WIND AM (MPH) SE 5 SE 5-7  
20FT WIND PM (MPH) LGT/VAR SE 5 LGT/VAR SE 5-7  
PEAK WIND GUSTS (MPH) 14  
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2800 4100  
MAX MIXING HGT (FT) 4600 6000  
TRANSPORT WND (MPH) SE 8 S 11  
VENT RATE (MPH-FT) 36800 72000  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS AROUND 90. SOUTH WINDS AROUND 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 10 MPH.  
 
 
 
ILZ020-130930-  
KENDALL-  
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 50 10 20  
MAX TEMP (24HR TREND) 78 (-5) 83  
MIN RH % (24HR TREND) 55 (+23) 47  
MIN TEMP (24HR TREND) 61 (+11) 60  
MAX RH % (24HR TREND) 94 (+15) 97  
20FT WIND AM (MPH) SE 5 SE 5-6  
20FT WIND PM (MPH) LGT/VAR SE 5 LGT/VAR SE 5-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.00  
11 AM MIXING HGT (FT) 2500 3600  
MAX MIXING HGT (FT) 3900 5600  
TRANSPORT WND (MPH) SE 8 SE 11  
VENT RATE (MPH-FT) 31200 67200  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS AROUND 90. SOUTH WINDS AROUND 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS  
5 TO 10 MPH.  
 
 
 
ILZ021-130930-  
GRUNDY-  
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 50 10 20  
MAX TEMP (24HR TREND) 78 (-6) 83  
MIN RH % (24HR TREND) 54 (+20) 46  
MIN TEMP (24HR TREND) 62 (+12) 61  
MAX RH % (24HR TREND) 93 (+16) 96  
20FT WIND AM (MPH) SE 5 LGT/VAR  
20FT WIND PM (MPH) LGT/VAR SE 5 LGT/VAR SE 4-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2800 3800  
MAX MIXING HGT (FT) 4100 5900  
TRANSPORT WND (MPH) SE 6 SE 11  
VENT RATE (MPH-FT) 28700 70800  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 90S. SOUTH WINDS AROUND  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 
 
 
ILZ022-130930-  
WILL-  
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 40 10 30  
MAX TEMP (24HR TREND) 77 (-7) 82  
MIN RH % (24HR TREND) 57 (+23) 49  
MIN TEMP (24HR TREND) 61 (+10) 60  
MAX RH % (24HR TREND) 96 (+20) 98  
20FT WIND AM (MPH) SE 5 LGT/VAR  
20FT WIND PM (MPH) SE 5-6 SE 5 LGT/VAR SE 4-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2900 3600  
MAX MIXING HGT (FT) 4100 5100  
TRANSPORT WND (MPH) SE 6 S 9  
VENT RATE (MPH-FT) 28700 45900  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 80S. SOUTH WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS  
5 TO 10 MPH.  
 
 
 
ILZ032-130930-  
LIVINGSTON-  
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 50 10 20  
MAX TEMP (24HR TREND) 78 (-4) 83  
MIN RH % (24HR TREND) 53 (+18) 44  
MIN TEMP (24HR TREND) 62 (+9) 61  
MAX RH % (24HR TREND) 92 (+16) 93  
20FT WIND AM (MPH) SE 5 S 5-7  
20FT WIND PM (MPH) SE 5-6 SE 5 LGT/VAR S 5-7  
PEAK WIND GUSTS (MPH) 14  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2900 4100  
MAX MIXING HGT (FT) 4400 6000  
TRANSPORT WND (MPH) SE 6 S 11  
VENT RATE (MPH-FT) 30800 72000  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS  
15 TO 20 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS AROUND 80. WEST WINDS AROUND 15 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH WINDS  
AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ023-130930-  
KANKAKEE-  
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 40 10 30  
MAX TEMP (24HR TREND) 77 (-5) 82  
MIN RH % (24HR TREND) 55 (+18) 49  
MIN TEMP (24HR TREND) 62 (+11) 60  
MAX RH % (24HR TREND) 93 (+18) 98  
20FT WIND AM (MPH) LGT/VAR LGT/VAR  
20FT WIND PM (MPH) SE 5-6 E 4-5 LGT/VAR S 4-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2900 3600  
MAX MIXING HGT (FT) 4500 5100  
TRANSPORT WND (MPH) E 6 S 9  
VENT RATE (MPH-FT) 31500 45900  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND  
15 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
5 TO 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS  
AROUND 5 MPH.  
 
 
 
ILZ039-130930-  
FORD-  
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 50 10 20  
MAX TEMP (24HR TREND) 78 (-3) 82  
MIN RH % (24HR TREND) 54 (+13) 46  
MIN TEMP (24HR TREND) 62 (+8) 61  
MAX RH % (24HR TREND) 92 (+18) 96  
20FT WIND AM (MPH) SE 5 S 5-7  
20FT WIND PM (MPH) SE 5-6 SE 5 LGT/VAR S 5-7  
PEAK WIND GUSTS (MPH) 13  
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3000 3600  
MAX MIXING HGT (FT) 4400 5500  
TRANSPORT WND (MPH) SE 6 S 11  
VENT RATE (MPH-FT) 30800 66000  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS AROUND  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 15 TO  
20 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY  
SUNNY. HIGHS AROUND 80. WEST WINDS AROUND 15 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS 5 TO 10 MPH.  
 
 
 
ILZ033-130930-  
IROQUOIS-  
INCLUDING THE CITIES OF WATSEKA AND GILMAN  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 50 10 20  
MAX TEMP (24HR TREND) 77 (-4) 81  
MIN RH % (24HR TREND) 54 (+12) 46  
MIN TEMP (24HR TREND) 62 (+10) 61  
MAX RH % (24HR TREND) 90 (+16) 98  
20FT WIND AM (MPH) LGT/VAR LGT/VAR  
20FT WIND PM (MPH) SE 5-6 LGT/VAR LGT/VAR S 4-5  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.05-0.10  
11 AM MIXING HGT (FT) 2900 3500  
MAX MIXING HGT (FT) 4400 5100  
TRANSPORT WND (MPH) SE 6 S 10  
VENT RATE (MPH-FT) 30800 51000  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SATURDAY  
SUNNY. HIGHS AROUND 80. WEST WINDS AROUND 15 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS  
5 TO 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 
 
 
INZ010-130930-  
NEWTON-  
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 40 10 30  
MAX TEMP (24HR TREND) 77 (-3) 80  
MIN RH % (24HR TREND) 56 (+15) 52  
MIN TEMP (24HR TREND) 62 (+11) 60  
MAX RH % (24HR TREND) 90 (+17) 97  
20FT WIND AM (MPH) LGT/VAR LGT/VAR  
20FT WIND PM (MPH) SE 5-6 LGT/VAR LGT/VAR S 3-5  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2900 3300  
MAX MIXING HGT (FT) 4500 4800  
TRANSPORT WND (MPH) E 5 S 9  
VENT RATE (MPH-FT) 27000 43200  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 10 TO  
15 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
5 TO 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS  
AROUND 5 MPH.  
 
 
 
INZ011-130930-  
JASPER-  
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE  
340 PM CDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 40 20 30  
MAX TEMP (24HR TREND) 77 (-3) 79  
MIN RH % (24HR TREND) 57 (+17) 52  
MIN TEMP (24HR TREND) 62 (+12) 61  
MAX RH % (24HR TREND) 90 (+19) 97  
20FT WIND AM (MPH) LGT/VAR LGT/VAR  
20FT WIND PM (MPH) SE 5-6 E 4-5 LGT/VAR S 3-5  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.10-0.25 0.01-0.05 0.01-0.05 0.01-0.05  
11 AM MIXING HGT (FT) 2900 3200  
MAX MIXING HGT (FT) 4500 4700  
TRANSPORT WND (MPH) E 5 S 9  
VENT RATE (MPH-FT) 27000 42300  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS  
10 TO 15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
5 TO 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50. NORTH WINDS AROUND  
5 MPH.  
 
 
 
INZ019-130930-  
BENTON-  
INCLUDING THE CITIES OF FOWLER AND OXFORD  
440 PM EDT MON MAY 12 2025  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 50 20 30  
MAX TEMP (24HR TREND) 76 (-2) 80  
MIN RH % (24HR TREND) 57 (+10) 51  
MIN TEMP (24HR TREND) 62 (+10) 61  
MAX RH % (24HR TREND) 90 (+15) 99  
20FT WIND AM (MPH) LGT/VAR LGT/VAR  
20FT WIND PM (MPH) SE 5-6 LGT/VAR LGT/VAR S 4-5  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.05-0.10 0.01-0.05  
11 AM MIXING HGT (FT) 2900 3100  
MAX MIXING HGT (FT) 4200 4400  
TRANSPORT WND (MPH) SE 5 S 10  
VENT RATE (MPH-FT) 25200 44000  
VENT RATE CATEGORY POOR POOR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY  
SUNNY. HIGHS AROUND 80. WEST WINDS AROUND 15 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
5 TO 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 5 MPH.  
 
 
 
CARLAW  
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