540  
FNUS53 KLOT 261527  
FWFLOT  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1027 AM CDT THU MAR 26 2026  
   
DISCUSSION  
 
A SHARP COLD FRONT IS CURRENTLY JUST SOUTH OF THE  
ILLINOIS/WISCONSIN STATE LINE. THIS WILL CONTINUE TO MOVE SOUTH  
THIS MORNING. ONCE IT PASSES, EXPECT AN ABRUPT NORTH TO NORTHEAST  
WIND SHIFT (WINDS WILL GUST UP TO 25 TO 30 MPH) AND SHARPLY  
FALLING TEMPERATURES AND MIXING HEIGHTS. THE FRONT IS EXPECTED TO  
BE NEAR A ROCHELLE TO AURORA TO VALPARAISO LINE BY 2 PM, AND THEN  
SOUTH OF A PONTIAC TO RENSSELAER LINE BY 4-5 PM.  
 
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND BEHIND  
THE FRONT MID TO LATE AFTERNOON, WITH STRONG TO SEVERE  
THUNDERSTORMS WITH LARGE HAIL POSSIBLE ACROSS NORTHERN ILLINOIS.  
TOWARD CENTRAL ILLINOIS, THE SEVERE THUNDERSTORM THREAT WILL BE  
HIGHER AND CONTAIN BOTH THE POTENTIAL FOR LARGE HAIL AND DAMAGING  
WINDS.  
 
RAIN WILL END OVERNIGHT, WITH A COOLER AND DRIER FORECAST  
EXPECTED FRIDAY INTO THE WEEKEND. FOCUS WILL TURN TOWARD A  
POTENTIAL ELEVATED FIRE WEATHER DAY ON SUNDAY AS A SLOW RETURN OF  
LOW-LEVEL MOISTURE AMID GUSTY SOUTH TO SOUTHWEST WINDS PUSHES RH  
VALUES OF 35 PERCENT OR LOWER.  
 
ILZ014-270915-  
COOK-  
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,  
LEMONT, ORLAND PARK, AND PARK FOREST  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 80 50  
MAX TEMP (24HR TREND) 77 (+6) 44  
MIN RH % (24HR TREND) 40 (+20) 42  
MIN TEMP (24HR TREND) 30 (-18) 26  
MAX RH % (24HR TREND) 89 (+4) 66  
20FT WIND AM (MPH) SW 15-20 N 8-11  
20FT WIND PM (MPH) N 15-20 N 15-20 N 8-11 NW 5-6  
PEAK WIND GUSTS (MPH) 37 39 20  
PRECIP AMOUNT (IN) 0.10-0.25 0.10-0.25 0.00 0.00  
11 AM MIXING HGT (FT) 2000 3200  
MAX MIXING HGT (FT) 2700 5100  
TRANSPORT WND (MPH) NW 16 N 16  
VENT RATE (MPH-FT) 43200 81600  
VENT RATE CATEGORY POOR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS  
AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS  
AROUND 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. NORTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTH WINDS 10 TO 15 MPH.    
TUESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S. SOUTHWEST WINDS  
AROUND 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ006-270915-  
LAKE IL-  
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,  
AND GURNEE  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 70 40  
MAX TEMP (24HR TREND) 66 (-5) 44  
MIN RH % (24HR TREND) 42 (+21) 39  
MIN TEMP (24HR TREND) 28 (-14) 23  
MAX RH % (24HR TREND) 95 (+9) 69  
20FT WIND AM (MPH) NE 15-20 N 7-9  
20FT WIND PM (MPH) NE 15-20 N 15-20 N 7-9 LGT/VAR  
PEAK WIND GUSTS (MPH) 36 38 19  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00  
11 AM MIXING HGT (FT) 1600 3300  
MAX MIXING HGT (FT) 1600 6000  
TRANSPORT WND (MPH) NE 10 N 19  
VENT RATE (MPH-FT) 16000 120000  
VENT RATE CATEGORY POOR GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. WEST WINDS  
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS  
AROUND 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A  
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER  
MIDNIGHT. LOWS IN THE MID 40S. NORTHEAST WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. SOUTH WINDS AROUND 10 MPH.    
TUESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER 50S. SOUTHWEST  
WINDS AROUND 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 40S. NORTHEAST WINDS AROUND 10 MPH.  
 
 
 
INZ001-270915-  
LAKE IN-  
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 80 80  
MAX TEMP (24HR TREND) 79 (+8) 40  
MIN RH % (24HR TREND) 43 (+22) 58  
MIN TEMP (24HR TREND) 31 (-15) 26  
MAX RH % (24HR TREND) 90 (-8) 76  
20FT WIND AM (MPH) SW 15-20 N 9-12  
20FT WIND PM (MPH) N 15-20 N 15-20 N 9-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 36 38 20  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2000 3000  
MAX MIXING HGT (FT) 3900 3200  
TRANSPORT WND (MPH) SW 21 N 18  
VENT RATE (MPH-FT) 85800 57600  
VENT RATE CATEGORY GOOD FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS AROUND 60. SOUTH WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH.    
MONDAY  
PARTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND  
10 MPH.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 50S. SOUTHWEST WINDS AROUND  
15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
70. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 40S. NORTH WINDS AROUND 15 MPH, BECOMING EAST AFTER  
MIDNIGHT.  
 
 
 
INZ002-270915-  
PORTER-  
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 80 80  
MAX TEMP (24HR TREND) 78 (+8) 39  
MIN RH % (24HR TREND) 48 (+27) 55  
MIN TEMP (24HR TREND) 31 (-14) 27  
MAX RH % (24HR TREND) 92 (-5) 76  
20FT WIND AM (MPH) SW 10-15 N 9-11  
20FT WIND PM (MPH) NW 10-15 N 15-20 N 9-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 35 37 19  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2000 2900  
MAX MIXING HGT (FT) 4000 3100  
TRANSPORT WND (MPH) SW 21 N 19  
VENT RATE (MPH-FT) 88000 62000  
VENT RATE CATEGORY FAIR FAIR  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE UPPER 50S.  
SOUTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. NORTH WINDS AROUND 10 MPH,  
BECOMING SOUTH AFTER MIDNIGHT.    
TUESDAY  
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE MORNING.  
HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 40S. NORTH WINDS AROUND 15 MPH, BECOMING EAST AFTER  
MIDNIGHT.  
 
 
 
ILZ013-270915-  
DUPAGE-  
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, AND CAROL STREAM  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 80 60  
MAX TEMP (24HR TREND) 76 (+4) 45  
MIN RH % (24HR TREND) 38 (+17) 39  
MIN TEMP (24HR TREND) 29 (-19) 25  
MAX RH % (24HR TREND) 84 (-1) 64  
20FT WIND AM (MPH) SW 10-15 N 9-11  
20FT WIND PM (MPH) NE 10-15 N 15-20 N 9-11 NW 6-8  
PEAK WIND GUSTS (MPH) 33 35 19 15  
PRECIP AMOUNT (IN) 0.10-0.25 0.05-0.10 0.00 0.00  
11 AM MIXING HGT (FT) 1800 3200  
MAX MIXING HGT (FT) 2900 5900  
TRANSPORT WND (MPH) W 16 NW 20  
VENT RATE (MPH-FT) 46400 123900  
VENT RATE CATEGORY POOR GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 50S. SOUTHWEST WINDS AROUND  
15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. SOUTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ012-270915-  
KANE-  
INCLUDING THE CITIES OF AURORA AND ELGIN  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 80 50  
MAX TEMP (24HR TREND) 75 (+4) 45  
MIN RH % (24HR TREND) 43 (+20) 39  
MIN TEMP (24HR TREND) 27 (-17) 23  
MAX RH % (24HR TREND) 87 (-2) 68  
20FT WIND AM (MPH) SE 10-15 N 11  
20FT WIND PM (MPH) NE 10-15 N 15-20 NW 11 NW 5-9  
PEAK WIND GUSTS (MPH) 33 33 20 17  
PRECIP AMOUNT (IN) 0.10-0.25 0.05-0.10 0.00 0.00  
11 AM MIXING HGT (FT) 1800 3100  
MAX MIXING HGT (FT) 3100 5900  
TRANSPORT WND (MPH) NW 14 NW 23  
VENT RATE (MPH-FT) 46500 135700  
VENT RATE CATEGORY POOR VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. EAST WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S. SOUTHWEST WINDS  
AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ005-270915-  
MCHENRY-  
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,  
AND WOODSTOCK  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 70 40  
MAX TEMP (24HR TREND) 68 (-3) 44  
MIN RH % (24HR TREND) 39 (+15) 38  
MIN TEMP (24HR TREND) 26 (-16) 22  
MAX RH % (24HR TREND) 94 (+7) 69  
20FT WIND AM (MPH) NE 10-15 N 10  
20FT WIND PM (MPH) NE 10-15 N 10-15 NW 10 LGT/VAR  
PEAK WIND GUSTS (MPH) 29 31 19 17  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00  
11 AM MIXING HGT (FT) 1900 3200  
MAX MIXING HGT (FT) 1900 6100  
TRANSPORT WND (MPH) E 10 NW 24  
VENT RATE (MPH-FT) 19000 146400  
VENT RATE CATEGORY POOR VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS  
5 TO 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS  
AROUND 10 MPH, BECOMING EAST IN THE AFTERNOON.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. EAST WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
70. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ004-270915-  
BOONE-  
INCLUDING THE CITY OF BELVIDERE  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY MCLEAR CLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 70 40  
MAX TEMP (24HR TREND) 70 (-2) 44  
MIN RH % (24HR TREND) 42 (+16) 35  
MIN TEMP (24HR TREND) 25 (-17) 22  
MAX RH % (24HR TREND) 82 (-3) 69  
20FT WIND AM (MPH) NE 10-15 N 10-12  
20FT WIND PM (MPH) NE 10-15 N 10-15 NW 10-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 28 30 19 18  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00  
11 AM MIXING HGT (FT) 2000 3100  
MAX MIXING HGT (FT) 2000 6400  
TRANSPORT WND (MPH) E 10 NW 26  
VENT RATE (MPH-FT) 20000 166400  
VENT RATE CATEGORY POOR VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS  
AROUND 5 MPH, INCREASING TO AROUND 15 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS  
5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND  
10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. EAST WINDS 10 TO 15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ011-270915-  
DE KALB-  
INCLUDING THE CITIES OF DEKALB AND SYCAMORE  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 80 50  
MAX TEMP (24HR TREND) 76 (+4) 45  
MIN RH % (24HR TREND) 49 (+24) 37  
MIN TEMP (24HR TREND) 27 (-15) 23  
MAX RH % (24HR TREND) 82 (-5) 69  
20FT WIND AM (MPH) SW 10-15 N 12  
20FT WIND PM (MPH) NE 10-15 NE 15-20 NW 12 LGT/VAR  
PEAK WIND GUSTS (MPH) 32 32 20 18  
PRECIP AMOUNT (IN) 0.10-0.25 0.05-0.10 0.00 0.00  
11 AM MIXING HGT (FT) 1900 3100  
MAX MIXING HGT (FT) 3300 6000  
TRANSPORT WND (MPH) NW 17 NW 25  
VENT RATE (MPH-FT) 56100 150000  
VENT RATE CATEGORY FAIR VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND  
5 MPH, INCREASING TO SOUTH AROUND 15 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 15 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS 10 TO  
15 MPH.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTHEAST WINDS AROUND  
15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S. SOUTHWEST WINDS  
AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ003-270915-  
WINNEBAGO-  
INCLUDING THE CITY OF ROCKFORD  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 60 40  
MAX TEMP (24HR TREND) 70 (-3) 45  
MIN RH % (24HR TREND) 45 (+17) 32  
MIN TEMP (24HR TREND) 26 (-16) 22  
MAX RH % (24HR TREND) 78 (-9) 68  
20FT WIND AM (MPH) NE 10-15 N 10-12  
20FT WIND PM (MPH) NE 10-15 N 10-15 NW 10-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 29 30 20 20  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00  
11 AM MIXING HGT (FT) 2200 3100  
MAX MIXING HGT (FT) 2600 6500  
TRANSPORT WND (MPH) N 16 NW 26  
VENT RATE (MPH-FT) 41600 169000  
VENT RATE CATEGORY POOR VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS  
AROUND 5 MPH, INCREASING TO SOUTH AROUND 15 MPH IN THE AFTERNOON.   
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS  
5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. EAST  
WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. SHOWERS LIKELY, MAINLY IN THE  
EVENING. LOWS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ008-270915-  
OGLE-  
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY PCLDY MCLEAR CLEAR  
PRECIP TYPE TSTMS SHOWERS NONE NONE  
CHANCE PRECIP (%) 70 40  
MAX TEMP (24HR TREND) 74 (0) 46  
MIN RH % (24HR TREND) 48 (+23) 33  
MIN TEMP (24HR TREND) 26 (-15) 22  
MAX RH % (24HR TREND) 78 (-10) 67  
20FT WIND AM (MPH) NW 10-15 N 11-12  
20FT WIND PM (MPH) NE 10-15 N 15-20 NW 11-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 30 31 20 20  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00  
11 AM MIXING HGT (FT) 2000 3000  
MAX MIXING HGT (FT) 2500 6300  
TRANSPORT WND (MPH) NW 13 NW 26  
VENT RATE (MPH-FT) 35000 163800  
VENT RATE CATEGORY POOR VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS AROUND 50. WEST WINDS AROUND 5 MPH,  
INCREASING TO SOUTH AROUND 15 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE MID 60S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTHEAST WINDS 10 TO  
15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 60S. WEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ010-270915-  
LEE-  
INCLUDING THE CITY OF DIXON  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY MCLEAR CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 70 60  
MAX TEMP (24HR TREND) 77 (+4) 47  
MIN RH % (24HR TREND) 49 (+25) 35  
MIN TEMP (24HR TREND) 27 (-16) 23  
MAX RH % (24HR TREND) 81 (-7) 68  
20FT WIND AM (MPH) SW 10-15 N 12  
20FT WIND PM (MPH) N 10-15 NE 15-20 NW 12 LGT/VAR  
PEAK WIND GUSTS (MPH) 31 32 20 19  
PRECIP AMOUNT (IN) 0.05-0.10 0.01-0.05 0.00 0.00  
11 AM MIXING HGT (FT) 2000 2900  
MAX MIXING HGT (FT) 3400 6100  
TRANSPORT WND (MPH) W 18 NW 26  
VENT RATE (MPH-FT) 61200 158600  
VENT RATE CATEGORY FAIR VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS AROUND 50. SOUTHWEST WINDS AROUND 5 MPH,  
INCREASING TO SOUTH AROUND 15 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 10 MPH.    
SUNDAY  
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. SOUTHEAST WINDS 10 TO 15 MPH.   
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S. SOUTHWEST WINDS  
AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. WEST  
WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ019-270915-  
LA SALLE-  
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,  
AND MARSEILLES  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 80 70  
MAX TEMP (24HR TREND) 83 (+10) 47  
MIN RH % (24HR TREND) 46 (+24) 38  
MIN TEMP (24HR TREND) 29 (-19) 24  
MAX RH % (24HR TREND) 83 (0) 68  
20FT WIND AM (MPH) SW 10-15 N 10-15  
20FT WIND PM (MPH) NW 10-15 NE 15-20 NW 10-15 LGT/VAR  
PEAK WIND GUSTS (MPH) 32 33 23 18  
PRECIP AMOUNT (IN) 0.05-0.10 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2100 3000  
MAX MIXING HGT (FT) 4200 5600  
TRANSPORT WND (MPH) SW 25 NW 24  
VENT RATE (MPH-FT) 105000 134400  
VENT RATE CATEGORY GOOD VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS AROUND 50. NORTHWEST WINDS AROUND 5 MPH,  
BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 10 MPH.    
SUNDAY  
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY  
PARTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID 50S. SOUTHEAST  
WINDS 10 TO 15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND  
15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 40S.  
NORTH WINDS AROUND 15 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
ILZ020-270915-  
KENDALL-  
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 90 70  
MAX TEMP (24HR TREND) 79 (+6) 46  
MIN RH % (24HR TREND) 44 (+23) 41  
MIN TEMP (24HR TREND) 29 (-17) 24  
MAX RH % (24HR TREND) 85 (-6) 70  
20FT WIND AM (MPH) SW 10-15 N 11-12  
20FT WIND PM (MPH) N 10-15 N 15-20 NW 11-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 33 33 20 17  
PRECIP AMOUNT (IN) 0.10-0.25 0.10-0.25 0.00 0.00  
11 AM MIXING HGT (FT) 2100 3100  
MAX MIXING HGT (FT) 3900 5600  
TRANSPORT WND (MPH) W 20 NW 23  
VENT RATE (MPH-FT) 81900 128800  
VENT RATE CATEGORY GOOD VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. EAST WINDS AROUND 10 MPH,  
BECOMING SOUTHEAST AFTER MIDNIGHT.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 50S. SOUTHWEST WINDS AROUND  
15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 40S. NORTHEAST WINDS AROUND 15 MPH.  
 
 
 
ILZ021-270915-  
GRUNDY-  
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 90 80  
MAX TEMP (24HR TREND) 82 (+8) 47  
MIN RH % (24HR TREND) 46 (+27) 43  
MIN TEMP (24HR TREND) 30 (-19) 25  
MAX RH % (24HR TREND) 88 (+3) 73  
20FT WIND AM (MPH) SW 10-15 N 10-11  
20FT WIND PM (MPH) NW 10-15 N 15-20 NW 10-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 33 33 20  
PRECIP AMOUNT (IN) 0.05-0.10 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2200 3100  
MAX MIXING HGT (FT) 4200 5600  
TRANSPORT WND (MPH) W 26 NW 21  
VENT RATE (MPH-FT) 109200 123200  
VENT RATE CATEGORY GOOD VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS AROUND 50. LIGHT WINDS, BECOMING SOUTH  
AROUND 10 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 10 MPH.    
SUNDAY  
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
5 TO 10 MPH.    
MONDAY  
PARTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 10 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID 50S. SOUTHEAST  
WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND  
15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 40S.  
NORTH WINDS AROUND 15 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
ILZ022-270915-  
WILL-  
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER MCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 90 80  
MAX TEMP (24HR TREND) 80 (+8) 46  
MIN RH % (24HR TREND) 41 (+21) 45  
MIN TEMP (24HR TREND) 30 (-18) 25  
MAX RH % (24HR TREND) 87 (-2) 72  
20FT WIND AM (MPH) SW 15-20 N 9-11  
20FT WIND PM (MPH) N 15-20 N 15-20 N 9-11 NW 5-6  
PEAK WIND GUSTS (MPH) 35 36 19  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2100 3100  
MAX MIXING HGT (FT) 3800 5800  
TRANSPORT WND (MPH) SW 21 NW 20  
VENT RATE (MPH-FT) 83600 121800  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY  
PARTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS AROUND 10 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID 50S. NORTHEAST  
WINDS AROUND 10 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. SOUTH WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND  
15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 40S.  
NORTH WINDS AROUND 15 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
ILZ032-270915-  
LIVINGSTON-  
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 80 90  
MAX TEMP (24HR TREND) 86 (+12) 47  
MIN RH % (24HR TREND) 39 (+23) 46  
MIN TEMP (24HR TREND) 31 (-19) 24  
MAX RH % (24HR TREND) 92 (+13) 74  
20FT WIND AM (MPH) SW 15-20 N 10-15  
20FT WIND PM (MPH) W 15-20 NE 15-20 NW 10-15 NW 5-9  
PEAK WIND GUSTS (MPH) 31 35 23 17  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2000 2900  
MAX MIXING HGT (FT) 5000 5300  
TRANSPORT WND (MPH) W 28 NW 21  
VENT RATE (MPH-FT) 145000 116600  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS AROUND 50. NORTH WINDS AROUND 5 MPH,  
BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 15 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY  
PARTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. SOUTH  
WINDS AROUND 15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS 15 TO 20 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 20 MPH.    
WEDNESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.  
SOUTH WINDS AROUND 15 MPH.  
 
 
 
ILZ023-270915-  
KANKAKEE-  
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 80 90  
MAX TEMP (24HR TREND) 83 (+10) 45  
MIN RH % (24HR TREND) 48 (+30) 50  
MIN TEMP (24HR TREND) 31 (-17) 25  
MAX RH % (24HR TREND) 91 (+1) 75  
20FT WIND AM (MPH) SW 15-20 N 10-12  
20FT WIND PM (MPH) NW 15-20 N 15-20 N 10-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 34 36 19  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2100 3000  
MAX MIXING HGT (FT) 4300 5400  
TRANSPORT WND (MPH) SW 27 NW 20  
VENT RATE (MPH-FT) 120400 113400  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 10 MPH.    
SUNDAY  
MOSTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY  
PARTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 10 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID 50S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A  
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER  
MIDNIGHT. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50. SOUTHWEST  
WINDS AROUND 15 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ039-270915-  
FORD-  
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 80 100  
MAX TEMP (24HR TREND) 87 (+14) 46  
MIN RH % (24HR TREND) 38 (+22) 49  
MIN TEMP (24HR TREND) 31 (-19) 24  
MAX RH % (24HR TREND) 90 (+7) 74  
20FT WIND AM (MPH) SW 15-20 N 10-15  
20FT WIND PM (MPH) W 15-20 N 15-20 N 10-15 NW 6-8  
PEAK WIND GUSTS (MPH) 31 35 23 17  
PRECIP AMOUNT (IN) 0.10-0.25 0.50-0.75 0.00 0.00  
11 AM MIXING HGT (FT) 2000 2800  
MAX MIXING HGT (FT) 5700 5000  
TRANSPORT WND (MPH) W 32 NW 21  
VENT RATE (MPH-FT) 182400 110000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS AROUND 50. NORTH WINDS AROUND 5 MPH,  
BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 15 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH.    
MONDAY  
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. SOUTH  
WINDS AROUND 15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS 15 TO 20 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. SOUTHWEST WINDS 15 TO 20 MPH.    
WEDNESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.  
SOUTH WINDS AROUND 15 MPH.  
 
 
 
ILZ033-270915-  
IROQUOIS-  
INCLUDING THE CITIES OF WATSEKA AND GILMAN  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 90 100  
MAX TEMP (24HR TREND) 85 (+12) 45  
MIN RH % (24HR TREND) 36 (+20) 49  
MIN TEMP (24HR TREND) 31 (-20) 24  
MAX RH % (24HR TREND) 87 (-1) 73  
20FT WIND AM (MPH) SW 15-20 N 10-15  
20FT WIND PM (MPH) W 15-20 N 15-20 N 10-15 LGT/VAR  
PEAK WIND GUSTS (MPH) 31 36 20  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2100 2900  
MAX MIXING HGT (FT) 5000 5000  
TRANSPORT WND (MPH) SW 31 NW 21  
VENT RATE (MPH-FT) 155000 110000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS AROUND 60. SOUTH WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH.    
MONDAY  
PARTLY SUNNY. WARMER. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. SOUTH  
WINDS 10 TO 15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND  
15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.  
SOUTH WINDS AROUND 15 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
INZ010-270915-  
NEWTON-  
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 90 90  
MAX TEMP (24HR TREND) 84 (+12) 43  
MIN RH % (24HR TREND) 46 (+26) 55  
MIN TEMP (24HR TREND) 31 (-17) 25  
MAX RH % (24HR TREND) 88 (-5) 77  
20FT WIND AM (MPH) SW 15-20 N 9-12  
20FT WIND PM (MPH) W 15-20 N 15-20 N 9-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 33 36 19  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2200 2900  
MAX MIXING HGT (FT) 4400 4200  
TRANSPORT WND (MPH) W 29 N 20  
VENT RATE (MPH-FT) 132000 88200  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE UPPER 50S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY  
PARTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS AROUND 10 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. SOUTH  
WINDS 10 TO 15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND  
15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.  
SOUTHWEST WINDS AROUND 15 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
INZ011-270915-  
JASPER-  
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE  
1027 AM CDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 90 90  
MAX TEMP (24HR TREND) 83 (+12) 42  
MIN RH % (24HR TREND) 46 (+25) 56  
MIN TEMP (24HR TREND) 31 (-17) 26  
MAX RH % (24HR TREND) 89 (-3) 76  
20FT WIND AM (MPH) SW 15-20 N 10-11  
20FT WIND PM (MPH) W 15-20 N 15-20 N 10-11 LGT/VAR  
PEAK WIND GUSTS (MPH) 34 36 19  
PRECIP AMOUNT (IN) 0.10-0.25 0.25-0.50 0.00 0.00  
11 AM MIXING HGT (FT) 2300 2900  
MAX MIXING HGT (FT) 4100 3600  
TRANSPORT WND (MPH) SW 28 N 21  
VENT RATE (MPH-FT) 118900 79200  
VENT RATE CATEGORY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY  
PARTLY SUNNY. NOT AS COOL. HIGHS IN THE UPPER 50S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS  
AROUND 10 MPH.    
MONDAY  
PARTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS AROUND 10 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. SOUTH  
WINDS 10 TO 15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS. A  
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER  
MIDNIGHT. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.  
 
 
 
INZ019-270915-  
BENTON-  
INCLUDING THE CITIES OF FOWLER AND OXFORD  
1127 AM EDT THU MAR 26 2026  
 
TODAY TONIGHT FRI FRI NIGHT  
 
CLOUD COVER PCLDY MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (%) 80 100 10  
MAX TEMP (24HR TREND) 84 (+13) 44  
MIN RH % (24HR TREND) 39 (+19) 54  
MIN TEMP (24HR TREND) 32 (-18) 26  
MAX RH % (24HR TREND) 90 (-2) 76  
20FT WIND AM (MPH) SW 15-20 N 11-12  
20FT WIND PM (MPH) SW 15-20 N 15-20 N 11-12 LGT/VAR  
PEAK WIND GUSTS (MPH) 30 34 19  
PRECIP AMOUNT (IN) 0.25-0.50 0.50-0.75 0.00 0.00  
11 AM MIXING HGT (FT) 2200 2800  
MAX MIXING HGT (FT) 4700 4200  
TRANSPORT WND (MPH) SW 32 N 21  
VENT RATE (MPH-FT) 150400 92400  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
SATURDAY  
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS 5 TO 10 MPH.    
SUNDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTH WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY. NOT AS COOL. LOWS IN THE UPPER  
40S. SOUTH WINDS AROUND 10 MPH.    
MONDAY  
PARTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
MONDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. SOUTH  
WINDS 10 TO 15 MPH.    
TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 60. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY NIGHT  
A CHANCE OF THUNDERSTORMS IN THE EVENING.  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID 50S.  
SOUTH WINDS AROUND 15 MPH.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
The Nexlab IN Page
Main Text Page