670  
FNUS53 KLOT 190722  
FWFLOT  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
222 AM CDT SUN OCT 19 2025  
   
DISCUSSION
 
 
AFTER A WET NIGHT, RAIN WILL TAPER FROM WEST TO EAST ACROSS THE  
REGION AS A FALL STORM SYSTEM MOVES NORTHEASTWARD INTO SOUTHERN  
CANADA. MIXING INTO THE STRONG WIND FIELD BEHIND THE SYSTEM WILL  
SUPPORT NORTHWESTERLY WIND GUSTS IN EXCESS OF 35 THROUGHOUT THE  
DAY.  
 
TONIGHT, WINDS WILL SLOWLY BACK WESTERLY BEFORE SETTLING ON A  
SOUTHWESTERLY DIRECTION BY DAYBREAK MONDAY. AS ANOTHER FALL STORM  
SYSTEM APPROACHES, SOUTHWESTERLY WINDS WILL INCREASE IN MAGNITUDE  
MONDAY AFTERNOON WITH GUSTS IN EXCESS OF 35 MPH. A LARGELY DRY  
COLD FRONTAL PASSAGE WILL USHER IN GUSTY NORTHWESTERLY WINDS ON  
TUESDAY. NO WIDESPREAD OR SOAKING RAINFALL IS EXPECTED WITH THE  
NEXT FALL STORM SYSTEM.  
 
SEASONABLY COOL TEMPERATURES AND DRY CONDITIONS WILL THEN PREVAIL  
THROUGH THE REMAINDER OF THE WEEK.  
 
ILZ014-192115-  
COOK-  
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,  
LEMONT, ORLAND PARK, AND PARK FOREST  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 100 50  
MAX TEMP (24HR TREND) 58 (-16) 65  
MIN RH % (24HR TREND) 50 (-18) 44  
MIN TEMP (24HR TREND) 39 (-11) 46  
MAX RH % (24HR TREND) 84 (-12) 84  
20FT WIND AM (MPH) NW 15-20 SW 10-15  
20FT WIND PM (MPH) NW 15-20 W 5-9 S 10-15 S 10-15  
PEAK WIND GUSTS (MPH) 33 24 30 30  
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3700 2000  
MAX MIXING HGT (FT) 5200 3700  
TRANSPORT WND (MPH) NW 25 S 23  
VENT RATE (MPH-FT) 130000 85100  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH SCATTERED  
SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S. WEST WINDS 15 TO  
20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING.  
LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST  
WINDS AROUND 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS AROUND  
5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ006-192115-  
LAKE IL-  
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,  
AND GURNEE  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 50  
MAX TEMP (24HR TREND) 57 (-15) 65  
MIN RH % (24HR TREND) 52 (-16) 44  
MIN TEMP (24HR TREND) 37 (-12) 45  
MAX RH % (24HR TREND) 86 (-12) 87  
20FT WIND AM (MPH) NW 15-20 SW 10-15  
20FT WIND PM (MPH) NW 15-20 W 5-8 S 10-15 SW 10-15  
PEAK WIND GUSTS (MPH) 33 24 29 29  
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3600 1800  
MAX MIXING HGT (FT) 5200 3500  
TRANSPORT WND (MPH) NW 29 S 25  
VENT RATE (MPH-FT) 156000 87500  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
SCATTERED SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S. WEST  
WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING.  
LOWS IN THE LOWER 40S. WEST WINDS 15 TO 20 MPH.    
WEDNESDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST  
WINDS AROUND 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST  
WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS AROUND 5 MPH.  
 

 
 
INZ001-192115-  
LAKE IN-  
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER MCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 100 40  
MAX TEMP (24HR TREND) 57 (-18) 63  
MIN RH % (24HR TREND) 56 (-11) 48  
MIN TEMP (24HR TREND) 39 (-12) 46  
MAX RH % (24HR TREND) 89 (-10) 89  
20FT WIND AM (MPH) NW 15-20 SW 10-15  
20FT WIND PM (MPH) NW 15-20 W 5-8 S 10-15 S 10-15  
PEAK WIND GUSTS (MPH) 35 24 28 29  
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2700 1900  
MAX MIXING HGT (FT) 4500 4000  
TRANSPORT WND (MPH) NW 28 S 23  
VENT RATE (MPH-FT) 130500 92000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH SCATTERED  
SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. WEST WINDS  
15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING.  
LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST  
WINDS AROUND 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. LIGHT WINDS.   
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
INZ002-192115-  
PORTER-  
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER MCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 100 50  
MAX TEMP (24HR TREND) 56 (-21) 63  
MIN RH % (24HR TREND) 60 (-2) 48  
MIN TEMP (24HR TREND) 39 (-14) 46  
MAX RH % (24HR TREND) 89 (-11) 89  
20FT WIND AM (MPH) NW 15-20 SW 10-15  
20FT WIND PM (MPH) NW 15-20 W 6-9 S 10-15 S 10-15  
PEAK WIND GUSTS (MPH) 36 27 28 29  
PRECIP AMOUNT (IN) 0.25-0.50 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2500 1900  
MAX MIXING HGT (FT) 4100 3900  
TRANSPORT WND (MPH) NW 26 SW 21  
VENT RATE (MPH-FT) 106600 85800  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH SCATTERED  
SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. WEST WINDS  
15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING.  
LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST  
WINDS AROUND 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST WINDS AROUND  
5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. SOUTHEAST WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ013-192115-  
DUPAGE-  
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, AND CAROL STREAM  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 50  
MAX TEMP (24HR TREND) 58 (-15) 65  
MIN RH % (24HR TREND) 50 (-19) 44  
MIN TEMP (24HR TREND) 38 (-11) 46  
MAX RH % (24HR TREND) 85 (-11) 86  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 W 5-8 S 10-15 S 8-12  
PEAK WIND GUSTS (MPH) 34 19 28 27  
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3600 1900  
MAX MIXING HGT (FT) 5400 3800  
TRANSPORT WND (MPH) NW 26 S 24  
VENT RATE (MPH-FT) 140400 91200  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH SCATTERED  
SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S. WEST WINDS 15 TO  
20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING.  
LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST  
WINDS 5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST  
WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ012-192115-  
KANE-  
INCLUDING THE CITIES OF AURORA AND ELGIN  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 50  
MAX TEMP (24HR TREND) 58 (-15) 65  
MIN RH % (24HR TREND) 48 (-22) 43  
MIN TEMP (24HR TREND) 37 (-12) 44  
MAX RH % (24HR TREND) 86 (-11) 87  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 10-15 SW 8-11  
PEAK WIND GUSTS (MPH) 34 18 30 25  
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3400 1800  
MAX MIXING HGT (FT) 5400 3700  
TRANSPORT WND (MPH) NW 29 S 24  
VENT RATE (MPH-FT) 162000 88800  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE MID 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 40. WEST WINDS AROUND  
15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ005-192115-  
MCHENRY-  
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,  
AND WOODSTOCK  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 80 50  
MAX TEMP (24HR TREND) 57 (-17) 65  
MIN RH % (24HR TREND) 49 (-9) 44  
MIN TEMP (24HR TREND) 37 (-12) 43  
MAX RH % (24HR TREND) 87 (-9) 87  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 10-15 SW 8-12  
PEAK WIND GUSTS (MPH) 33 18 29 25  
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3300 1900  
MAX MIXING HGT (FT) 5200 3400  
TRANSPORT WND (MPH) NW 29 S 25  
VENT RATE (MPH-FT) 156000 85000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
SCATTERED SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S. WEST  
WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING.  
LOWS IN THE UPPER 30S. WEST WINDS 15 TO 20 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS  
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ004-192115-  
BOONE-  
INCLUDING THE CITY OF BELVIDERE  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 70 50  
MAX TEMP (24HR TREND) 59 (-15) 65  
MIN RH % (24HR TREND) 43 (-8) 41  
MIN TEMP (24HR TREND) 36 (-13) 43  
MAX RH % (24HR TREND) 88 (-6) 87  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 10-15 SW 8-11  
PEAK WIND GUSTS (MPH) 32 30 23  
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3100 2000  
MAX MIXING HGT (FT) 5300 3500  
TRANSPORT WND (MPH) NW 29 S 25  
VENT RATE (MPH-FT) 159000 87500  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
SCATTERED SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S. WEST  
WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING.  
LOWS IN THE UPPER 30S. WEST WINDS 15 TO 20 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30. LIGHT WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ011-192115-  
DE KALB-  
INCLUDING THE CITIES OF DEKALB AND SYCAMORE  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 80 40  
MAX TEMP (24HR TREND) 59 (-13) 66  
MIN RH % (24HR TREND) 45 (-23) 39  
MIN TEMP (24HR TREND) 37 (-11) 43  
MAX RH % (24HR TREND) 85 (-14) 85  
20FT WIND AM (MPH) NW 15-20 S 15-20  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 15-20 SW 8-11  
PEAK WIND GUSTS (MPH) 34 18 30 24  
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3000 1900  
MAX MIXING HGT (FT) 5600 3500  
TRANSPORT WND (MPH) NW 31 S 26  
VENT RATE (MPH-FT) 173600 91000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE MID 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ003-192115-  
WINNEBAGO-  
INCLUDING THE CITY OF ROCKFORD  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 50 50  
MAX TEMP (24HR TREND) 60 (-14) 66  
MIN RH % (24HR TREND) 39 (-11) 35  
MIN TEMP (24HR TREND) 36 (-13) 43  
MAX RH % (24HR TREND) 87 (-6) 85  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 10-15 SW 8-9  
PEAK WIND GUSTS (MPH) 31 31 21  
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3300 2100  
MAX MIXING HGT (FT) 6000 3800  
TRANSPORT WND (MPH) NW 31 S 32  
VENT RATE (MPH-FT) 186000 121600  
VENT RATE CATEGORY EXCELLENT VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
SCATTERED SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S. WEST  
WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30. NORTHWEST WINDS  
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ008-192115-  
OGLE-  
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 50 40  
MAX TEMP (24HR TREND) 60 (-13) 67  
MIN RH % (24HR TREND) 39 (-22) 34  
MIN TEMP (24HR TREND) 37 (-11) 43  
MAX RH % (24HR TREND) 84 (-10) 82  
20FT WIND AM (MPH) NW 15-20 S 15-20  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 15-20 SW 8-9  
PEAK WIND GUSTS (MPH) 32 32 23  
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3200 2000  
MAX MIXING HGT (FT) 6000 4100  
TRANSPORT WND (MPH) NW 31 S 32  
VENT RATE (MPH-FT) 186000 131200  
VENT RATE CATEGORY EXCELLENT VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE MID 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30. NORTHWEST WINDS  
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ010-192115-  
LEE-  
INCLUDING THE CITY OF DIXON  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 60 40  
MAX TEMP (24HR TREND) 60 (-13) 67  
MIN RH % (24HR TREND) 41 (-24) 37  
MIN TEMP (24HR TREND) 38 (-10) 43  
MAX RH % (24HR TREND) 82 (-14) 82  
20FT WIND AM (MPH) NW 15-20 S 15-20  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 15-20 SW 9-10  
PEAK WIND GUSTS (MPH) 33 31 21  
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3200 2100  
MAX MIXING HGT (FT) 5700 3900  
TRANSPORT WND (MPH) NW 31 S 33  
VENT RATE (MPH-FT) 176700 128700  
VENT RATE CATEGORY VERY GOOD VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE MID 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST  
WINDS AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ019-192115-  
LA SALLE-  
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,  
AND MARSEILLES  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR MCLEAR  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 80 40  
MAX TEMP (24HR TREND) 60 (-14) 66  
MIN RH % (24HR TREND) 42 (-25) 38  
MIN TEMP (24HR TREND) 39 (-10) 45  
MAX RH % (24HR TREND) 81 (-17) 81  
20FT WIND AM (MPH) NW 15-20 S 15-20  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 15-20 SW 9-12  
PEAK WIND GUSTS (MPH) 34 31 25  
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3400 2200  
MAX MIXING HGT (FT) 5800 3600  
TRANSPORT WND (MPH) NW 31 S 26  
VENT RATE (MPH-FT) 179800 93600  
VENT RATE CATEGORY EXCELLENT GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE UPPER 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ020-192115-  
KENDALL-  
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 40  
MAX TEMP (24HR TREND) 59 (-15) 66  
MIN RH % (24HR TREND) 48 (-20) 42  
MIN TEMP (24HR TREND) 38 (-11) 45  
MAX RH % (24HR TREND) 86 (-14) 86  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 10-15 SW 9-12  
PEAK WIND GUSTS (MPH) 34 18 30 25  
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3500 2100  
MAX MIXING HGT (FT) 5700 3800  
TRANSPORT WND (MPH) NW 31 S 25  
VENT RATE (MPH-FT) 176700 95000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE UPPER 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ021-192115-  
GRUNDY-  
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR MCLEAR  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 40  
MAX TEMP (24HR TREND) 59 (-17) 66  
MIN RH % (24HR TREND) 48 (-15) 42  
MIN TEMP (24HR TREND) 39 (-10) 46  
MAX RH % (24HR TREND) 85 (-15) 85  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 10-15 SW 10-15  
PEAK WIND GUSTS (MPH) 34 18 30 25  
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3600 2200  
MAX MIXING HGT (FT) 5700 3800  
TRANSPORT WND (MPH) NW 31 S 25  
VENT RATE (MPH-FT) 176700 95000  
VENT RATE CATEGORY EXCELLENT GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE UPPER 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ022-192115-  
WILL-  
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 40  
MAX TEMP (24HR TREND) 58 (-17) 65  
MIN RH % (24HR TREND) 50 (-13) 46  
MIN TEMP (24HR TREND) 39 (-10) 46  
MAX RH % (24HR TREND) 88 (-11) 88  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 W 5-8 S 10-15 S 10-15  
PEAK WIND GUSTS (MPH) 33 18 30 26  
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3600 2000  
MAX MIXING HGT (FT) 5500 3900  
TRANSPORT WND (MPH) NW 26 S 24  
VENT RATE (MPH-FT) 143000 93600  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE UPPER 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. LIGHT WINDS.   
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ032-192115-  
LIVINGSTON-  
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR MCLEAR  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 30  
MAX TEMP (24HR TREND) 60 (-16) 67  
MIN RH % (24HR TREND) 47 (-12) 42  
MIN TEMP (24HR TREND) 38 (-11) 45  
MAX RH % (24HR TREND) 86 (-13) 86  
20FT WIND AM (MPH) NW 15-20 S 15-20  
20FT WIND PM (MPH) NW 15-20 W 5-7 S 15-20 SW 10-15  
PEAK WIND GUSTS (MPH) 33 18 31 27  
PRECIP AMOUNT (IN) 0.05-0.10 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3500 2100  
MAX MIXING HGT (FT) 5400 3500  
TRANSPORT WND (MPH) NW 31 S 26  
VENT RATE (MPH-FT) 167400 91000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE UPPER 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS AROUND  
15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ023-192115-  
KANKAKEE-  
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR MCLEAR  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 30  
MAX TEMP (24HR TREND) 58 (-18) 65  
MIN RH % (24HR TREND) 51 (-10) 45  
MIN TEMP (24HR TREND) 38 (-12) 46  
MAX RH % (24HR TREND) 88 (-12) 89  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 10-15 S 10-15  
PEAK WIND GUSTS (MPH) 32 18 30 25  
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 3100 2100  
MAX MIXING HGT (FT) 5400 3900  
TRANSPORT WND (MPH) NW 26 S 24  
VENT RATE (MPH-FT) 140400 93600  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE UPPER 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ039-192115-  
FORD-  
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR MCLEAR  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 30  
MAX TEMP (24HR TREND) 59 (-17) 66  
MIN RH % (24HR TREND) 50 (-11) 41  
MIN TEMP (24HR TREND) 38 (-11) 45  
MAX RH % (24HR TREND) 85 (-15) 84  
20FT WIND AM (MPH) NW 15-20 S 15-20  
20FT WIND PM (MPH) NW 15-20 W 5-8 S 15-20 S 10-15  
PEAK WIND GUSTS (MPH) 33 18 30 28  
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3300 2200  
MAX MIXING HGT (FT) 5200 3500  
TRANSPORT WND (MPH) NW 31 S 26  
VENT RATE (MPH-FT) 161200 91000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 15 TO  
20 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS AROUND  
15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTHWEST  
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS AROUND 40. EAST WINDS AROUND 5 MPH.  
 

 
 
ILZ033-192115-  
IROQUOIS-  
INCLUDING THE CITIES OF WATSEKA AND GILMAN  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER PCLDY CLEAR CLEAR MCLEAR  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 30  
MAX TEMP (24HR TREND) 58 (-19) 65  
MIN RH % (24HR TREND) 52 (-6) 41  
MIN TEMP (24HR TREND) 38 (-12) 45  
MAX RH % (24HR TREND) 86 (-14) 85  
20FT WIND AM (MPH) NW 15-20 S 10-15  
20FT WIND PM (MPH) NW 15-20 LGT/VAR S 10-15 S 10-15  
PEAK WIND GUSTS (MPH) 33 30 26  
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2900 2100  
MAX MIXING HGT (FT) 4800 3800  
TRANSPORT WND (MPH) NW 25 S 25  
VENT RATE (MPH-FT) 120000 95000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 15 TO  
20 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS AROUND  
15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS  
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS AROUND 40. EAST WINDS AROUND 5 MPH.  
 

 
 
INZ010-192115-  
NEWTON-  
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER MCLDY CLEAR CLEAR MCLEAR  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 30  
MAX TEMP (24HR TREND) 56 (-22) 63  
MIN RH % (24HR TREND) 57 (-1) 45  
MIN TEMP (24HR TREND) 38 (-13) 46  
MAX RH % (24HR TREND) 88 (-12) 88  
20FT WIND AM (MPH) NW 10-15 SW 10-15  
20FT WIND PM (MPH) NW 10-15 W 5-8 S 10-15 S 10-15  
PEAK WIND GUSTS (MPH) 31 27 26  
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2600 2100  
MAX MIXING HGT (FT) 4200 3900  
TRANSPORT WND (MPH) NW 24 SW 23  
VENT RATE (MPH-FT) 100800 89700  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE UPPER 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS AROUND 5 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS  
AROUND 5 MPH.  
 

 
 
INZ011-192115-  
JASPER-  
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE  
222 AM CDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER MCLDY CLEAR CLEAR PCLDY  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 40  
MAX TEMP (24HR TREND) 56 (-23) 63  
MIN RH % (24HR TREND) 61 (+6) 48  
MIN TEMP (24HR TREND) 38 (-14) 46  
MAX RH % (24HR TREND) 90 (-10) 88  
20FT WIND AM (MPH) NW 10-15 SW 10-15  
20FT WIND PM (MPH) NW 10-15 W 5-8 S 10-15 S 10-15  
PEAK WIND GUSTS (MPH) 32 18 26 26  
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.01-0.05  
11 AM MIXING HGT (FT) 2400 2100  
MAX MIXING HGT (FT) 3900 4000  
TRANSPORT WND (MPH) NW 25 SW 21  
VENT RATE (MPH-FT) 97500 88000  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
SUNNY IN THE MORNING, THEN BECOMING PARTLY SUNNY.  
HIGHS IN THE UPPER 50S. WEST WINDS 15 TO 20 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST WINDS AROUND 5 MPH.   
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS AROUND 40. EAST WINDS AROUND 5 MPH.  
 

 
 
INZ019-192115-  
BENTON-  
INCLUDING THE CITIES OF FOWLER AND OXFORD  
322 AM EDT SUN OCT 19 2025  
 
TODAY TONIGHT MON MON NIGHT  
 
CLOUD COVER MCLDY CLEAR CLEAR MCLEAR  
PRECIP TYPE RAIN NONE NONE SHOWERS  
CHANCE PRECIP (%) 90 30  
MAX TEMP (24HR TREND) 56 (-24) 63  
MIN RH % (24HR TREND) 57 (+4) 43  
MIN TEMP (24HR TREND) 38 (-12) 47  
MAX RH % (24HR TREND) 86 (-14) 86  
20FT WIND AM (MPH) NW 15-20 SW 10-15  
20FT WIND PM (MPH) NW 15-20 W 5-8 S 10-15 S 10-15  
PEAK WIND GUSTS (MPH) 33 18 27 26  
PRECIP AMOUNT (IN) 0.10-0.25 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2500 1900  
MAX MIXING HGT (FT) 4100 3800  
TRANSPORT WND (MPH) NW 25 SW 23  
VENT RATE (MPH-FT) 102500 87400  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 15 TO  
20 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS  
AROUND 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. LIGHT  
WINDS.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND  
5 MPH, BECOMING EAST IN THE AFTERNOON.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS  
AROUND 5 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS AROUND 5 MPH.  
 

 
 
BORCHARDT  
 
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