473  
FNUS53 KLOT 252042  
FWFLOT  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
342 PM CDT MON OCT 25 2021  
   
DISCUSSION
 
 
DRY CONDITIONS ARE EXPECTED THROUGH WEDNESDAY WITH THE EXCEPTION  
OF ISOLATED TO SCATTERED LAKE EFFECT RAIN SHOWERS NEAR LAKE  
MICHIGAN THROUGH TONIGHT. TEMPERATURES WILL BE SEASONABLE  
THROUGH THE END OF THE WEEK, WITH MINIMUM AFTERNOON RH VALUES  
REMAINING ABOVE 50 PERCENT TUESDAY AND WEDNESDAY. ANOTHER ROUND OF  
WIDESPREAD RAIN IS EXPECTED TO MOVE THROUGH THE AREA THURSDAY  
AFTERNOON INTO FRIDAY MORNING, WITH TOTAL FORECAST RAINFALL  
AMOUNTS OF AROUND ONE HALF INCH.  
 
ILZ014-261015-  
COOK-  
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,  
LEMONT, ORLAND PARK, AND PARK FOREST  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE SHOWERS SHOWERS NONE NONE  
CHANCE PRECIP (%) 20 10 0 10  
MAX TEMP (24HR TREND) 55-56 (+4) 56-57  
MIN RH % (24HR TREND) 57-60 (-15) 55-62  
MIN TEMP (24HR TREND) 42-45 (-3) 40-43  
MAX RH % (24HR TREND) 84-89 (-10) 89-98  
20FT WIND AM (MPH) N 6 SE 5-7  
20FT WIND PM (MPH) N 7-10 N 6 LGT/VAR SE 5-7  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3500 2200  
MAX MIXING HGT (FT) 4300 2400  
1700FT MIXING TEMP 49 51  
TRANSPORT WND (MPH) N 12 SE 11  
VENT RATE (MPH-FT) 51900 25700  
VENT RATE CATEGORY FAIR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE LOWER 50S. NORTHEAST  
WINDS AROUND 10 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ006-261015-  
LAKE IL-  
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,  
AND GURNEE  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE SHOWERS SHOWERS NONE NONE  
CHANCE PRECIP (%) 20 10 0 10  
MAX TEMP (24HR TREND) 54-55 (+4) 55-56  
MIN RH % (24HR TREND) 55-58 (-16) 61-67  
MIN TEMP (24HR TREND) 39-42 (-4) 39-42  
MAX RH % (24HR TREND) 87-90 (-10) 95-100  
20FT WIND AM (MPH) N 6-7 LGT/VAR  
20FT WIND PM (MPH) N 8-10 NE 6-7 LGT/VAR SE 4-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3300 2400  
MAX MIXING HGT (FT) 4200 2500  
1700FT MIXING TEMP 47 49  
TRANSPORT WND (MPH) N 11 SE 12  
VENT RATE (MPH-FT) 46800 29300  
VENT RATE CATEGORY FAIR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. SOUTHEAST WINDS  
AROUND 10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
INZ001-261015-  
LAKE IN-  
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE SHOWERS SHOWERS NONE NONE  
CHANCE PRECIP (%) 20 20 0 0  
MAX TEMP (24HR TREND) 55-56 (+5) 56-57  
MIN RH % (24HR TREND) 59-62 (-20) 58-63  
MIN TEMP (24HR TREND) 42-45 (-1) 37-39  
MAX RH % (24HR TREND) 88-95 (-5) 95-100  
20FT WIND AM (MPH) N 6 LGT/VAR  
20FT WIND PM (MPH) N 7-11 N 6 LGT/VAR SE 4-6  
PEAK WIND GUSTS (MPH) 34  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3700 1900  
MAX MIXING HGT (FT) 4300 2300  
1700FT MIXING TEMP 50 51  
TRANSPORT WND (MPH) N 12 SE 10  
VENT RATE (MPH-FT) 54100 24600  
VENT RATE CATEGORY FAIR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS AROUND 50. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS AROUND  
5 MPH.  
 

 
 
INZ002-261015-  
PORTER-  
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE SHOWERS SHOWERS NONE NONE  
CHANCE PRECIP (%) 20 10 0 0  
MAX TEMP (24HR TREND) 54-55 (+5) 56-57  
MIN RH % (24HR TREND) 59-62 (-21) 57-60  
MIN TEMP (24HR TREND) 41-44 (-1) 35-38  
MAX RH % (24HR TREND) 88-93 (-7) 96-100  
20FT WIND AM (MPH) NE 7 LGT/VAR  
20FT WIND PM (MPH) NE 7-11 N 7 LGT/VAR SE 4-5  
PEAK WIND GUSTS (MPH) 34  
PRECIP AMOUNT (IN) 0.01-0.05 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3600 1900  
MAX MIXING HGT (FT) 4200 2400  
1700FT MIXING TEMP 49 50  
TRANSPORT WND (MPH) N 13 SE 9  
VENT RATE (MPH-FT) 57200 20700  
VENT RATE CATEGORY FAIR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ013-261015-  
DUPAGE-  
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, AND CAROL STREAM  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 10 0 0 10  
MAX TEMP (24HR TREND) 56 (+5) 56-57  
MIN RH % (24HR TREND) 57-58 (-16) 55-60  
MIN TEMP (24HR TREND) 40-43 (-4) 40-41  
MAX RH % (24HR TREND) 86-91 (-8) 94-99  
20FT WIND AM (MPH) N 5 SE 5-6  
20FT WIND PM (MPH) N 6-9 NE 5 LGT/VAR SE 5-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3000 2100  
MAX MIXING HGT (FT) 4200 2400  
1700FT MIXING TEMP 49 51  
TRANSPORT WND (MPH) NE 11 SE 10  
VENT RATE (MPH-FT) 46200 25400  
VENT RATE CATEGORY FAIR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS AROUND 50. NORTHEAST WINDS  
AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS AROUND  
5 MPH.  
 

 
 
ILZ012-261015-  
KANE-  
INCLUDING THE CITIES OF AURORA AND ELGIN  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 55-56 (+5) 55-56  
MIN RH % (24HR TREND) 55-57 (-16) 60-63  
MIN TEMP (24HR TREND) 38-39 (-7) 38-39  
MAX RH % (24HR TREND) 90-95 (-5) 99-100  
20FT WIND AM (MPH) LGT/VAR SE 6-7  
20FT WIND PM (MPH) N 7-10 NE 4-6 LGT/VAR SE 6-7  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2900 1900  
MAX MIXING HGT (FT) 4000 2300  
1700FT MIXING TEMP 47 51  
TRANSPORT WND (MPH) NE 8 SE 11  
VENT RATE (MPH-FT) 30400 24500  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS  
AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ005-261015-  
MCHENRY-  
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,  
AND WOODSTOCK  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 10 0 0 10  
MAX TEMP (24HR TREND) 54-55 (+5) 56-57  
MIN RH % (24HR TREND) 53-56 (-16) 60-63  
MIN TEMP (24HR TREND) 37-38 (-7) 37-38  
MAX RH % (24HR TREND) 91-96 (-4) 100  
20FT WIND AM (MPH) N 5-6 LGT/VAR  
20FT WIND PM (MPH) N 8-10 NE 5-6 LGT/VAR SE 4-7  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2700 2100  
MAX MIXING HGT (FT) 3600 2400  
1700FT MIXING TEMP 45 49  
TRANSPORT WND (MPH) NE 6 SE 11  
VENT RATE (MPH-FT) 22400 26500  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ004-261015-  
BOONE-  
INCLUDING THE CITY OF BELVIDERE  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 54-55 (+4) 56-57  
MIN RH % (24HR TREND) 53-56 (-14) 57-60  
MIN TEMP (24HR TREND) 36 (-8) 37-38  
MAX RH % (24HR TREND) 97-100 (0) 99-100  
20FT WIND AM (MPH) LGT/VAR SE 6-8  
20FT WIND PM (MPH) N 6-10 NE 4-6 E 4-5 SE 6-8  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2300 2000  
MAX MIXING HGT (FT) 3300 2400  
1700FT MIXING TEMP 45 49  
TRANSPORT WND (MPH) NE 4 SE 13  
VENT RATE (MPH-FT) 14800 30600  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ011-261015-  
DE KALB-  
INCLUDING THE CITIES OF DEKALB AND SYCAMORE  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 55-56 (+5) 56-57  
MIN RH % (24HR TREND) 54-57 (-13) 58-61  
MIN TEMP (24HR TREND) 35-38 (-7) 38-39  
MAX RH % (24HR TREND) 92-99 (-1) 97-100  
20FT WIND AM (MPH) N 5-6 SE 7-9  
20FT WIND PM (MPH) N 7-10 NE 5-6 E 4-5 SE 7-9  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2500 1900  
MAX MIXING HGT (FT) 3600 2200  
1700FT MIXING TEMP 47 51  
TRANSPORT WND (MPH) E 4 SE 12  
VENT RATE (MPH-FT) 16000 28700  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ003-261015-  
WINNEBAGO-  
INCLUDING THE CITY OF ROCKFORD  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 54-55 (+3) 57  
MIN RH % (24HR TREND) 53-54 (-11) 53-56  
MIN TEMP (24HR TREND) 35-36 (-8) 38-39  
MAX RH % (24HR TREND) 95-100 (0) 91-98  
20FT WIND AM (MPH) LGT/VAR SE 7-9  
20FT WIND PM (MPH) N 6-9 NE 4-5 E 4-5 SE 7-9  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2100 2000  
MAX MIXING HGT (FT) 3300 2500  
1700FT MIXING TEMP 46 50  
TRANSPORT WND (MPH) E 5 SE 14  
VENT RATE (MPH-FT) 16500 36900  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 5-MED  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. NORTHEAST WINDS  
AROUND 10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ008-261015-  
OGLE-  
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 10 10  
MAX TEMP (24HR TREND) 55-56 (+4) 57  
MIN RH % (24HR TREND) 51-54 (-12) 53-56  
MIN TEMP (24HR TREND) 34-35 (-9) 39-40  
MAX RH % (24HR TREND) 95-100 (0) 90-95  
20FT WIND AM (MPH) NE 5 SE 8-10  
20FT WIND PM (MPH) N 6-8 E 5 E 5 SE 8-10  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2100 2000  
MAX MIXING HGT (FT) 3400 2300  
1700FT MIXING TEMP 47 51  
TRANSPORT WND (MPH) E 4 SE 17  
VENT RATE (MPH-FT) 16000 36800  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 5-MED  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ010-261015-  
LEE-  
INCLUDING THE CITY OF DIXON  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 10 10  
MAX TEMP (24HR TREND) 56-57 (+5) 57  
MIN RH % (24HR TREND) 51-54 (-14) 55-60  
MIN TEMP (24HR TREND) 35-36 (-10) 39-40  
MAX RH % (24HR TREND) 94-99 (-1) 93-98  
20FT WIND AM (MPH) LGT/VAR SE 8-10  
20FT WIND PM (MPH) N 6-9 E 4-5 SE 6 SE 8-10  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2400 1600  
MAX MIXING HGT (FT) 3400 2200  
1700FT MIXING TEMP 49 53  
TRANSPORT WND (MPH) E 4 SE 16  
VENT RATE (MPH-FT) 17400 36000  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 5-MED  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. SOUTHEAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ019-261015-  
LA SALLE-  
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,  
AND MARSEILLES  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 57-58 (+6) 57-58  
MIN RH % (24HR TREND) 52-55 (-17) 55-58  
MIN TEMP (24HR TREND) 38-39 (-9) 40  
MAX RH % (24HR TREND) 90-95 (-5) 96-99  
20FT WIND AM (MPH) LGT/VAR SE 8-9  
20FT WIND PM (MPH) N 6-9 NE 4-5 SE 5 SE 8-9  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3200 1600  
MAX MIXING HGT (FT) 3900 2300  
1700FT MIXING TEMP 50 54  
TRANSPORT WND (MPH) NE 5 SE 14  
VENT RATE (MPH-FT) 23100 32700  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 5-MED  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ020-261015-  
KENDALL-  
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 56-57 (+6) 57  
MIN RH % (24HR TREND) 54-57 (-16) 57-59  
MIN TEMP (24HR TREND) 39-40 (-8) 39-40  
MAX RH % (24HR TREND) 89-91 (-9) 100  
20FT WIND AM (MPH) N 5-6 SE 6-8  
20FT WIND PM (MPH) N 7-10 NE 5-6 LGT/VAR SE 6-8  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3100 1800  
MAX MIXING HGT (FT) 4100 2300  
1700FT MIXING TEMP 50 53  
TRANSPORT WND (MPH) NE 9 SE 12  
VENT RATE (MPH-FT) 34800 27800  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
ILZ021-261015-  
GRUNDY-  
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 57-58 (+6) 58-59  
MIN RH % (24HR TREND) 54-57 (-18) 56-57  
MIN TEMP (24HR TREND) 40-41 (-7) 40  
MAX RH % (24HR TREND) 89-92 (-8) 100  
20FT WIND AM (MPH) N 5 SE 6-7  
20FT WIND PM (MPH) N 7-9 NE 5 LGT/VAR SE 6-7  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3300 1700  
MAX MIXING HGT (FT) 4400 2200  
1700FT MIXING TEMP 51 54  
TRANSPORT WND (MPH) NE 8 SE 13  
VENT RATE (MPH-FT) 36200 29600  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS AROUND 50. NORTH WINDS  
AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ022-261015-  
WILL-  
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 10 0 0 10  
MAX TEMP (24HR TREND) 56-57 (+6) 57  
MIN RH % (24HR TREND) 56-61 (-18) 57-61  
MIN TEMP (24HR TREND) 41-42 (-6) 38-39  
MAX RH % (24HR TREND) 88-93 (-7) 99-100  
20FT WIND AM (MPH) N 5 SE 5-6  
20FT WIND PM (MPH) N 6-9 NE 5 LGT/VAR SE 5-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3300 1900  
MAX MIXING HGT (FT) 4300 2300  
1700FT MIXING TEMP 50 52  
TRANSPORT WND (MPH) N 10 SE 11  
VENT RATE (MPH-FT) 45700 27200  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
10 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ032-261015-  
LIVINGSTON-  
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 56-57 (+6) 57-58  
MIN RH % (24HR TREND) 56-59 (-17) 57-60  
MIN TEMP (24HR TREND) 38-39 (-9) 39-40  
MAX RH % (24HR TREND) 95-100 (0) 100  
20FT WIND AM (MPH) N 5 SE 7-9  
20FT WIND PM (MPH) N 7-10 NE 5 SE 4-5 SE 7-9  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 2900 1600  
MAX MIXING HGT (FT) 4000 2200  
1700FT MIXING TEMP 50 54  
TRANSPORT WND (MPH) NE 6 SE 13  
VENT RATE (MPH-FT) 27400 30500  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 5-MED  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 50S. NORTH WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ023-261015-  
KANKAKEE-  
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 10 0 0 10  
MAX TEMP (24HR TREND) 56-57 (+6) 57-58  
MIN RH % (24HR TREND) 57-60 (-22) 57-60  
MIN TEMP (24HR TREND) 40-41 (-6) 37-38  
MAX RH % (24HR TREND) 94-97 (-3) 100  
20FT WIND AM (MPH) N 5 LGT/VAR  
20FT WIND PM (MPH) N 6-9 N 5 LGT/VAR SE 4-6  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3400 1700  
MAX MIXING HGT (FT) 4300 2300  
1700FT MIXING TEMP 51 53  
TRANSPORT WND (MPH) N 10 SE 11  
VENT RATE (MPH-FT) 42700 26100  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
ILZ039-261015-  
FORD-  
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 56-57 (+6) 57-58  
MIN RH % (24HR TREND) 57-59 (-21) 57-58  
MIN TEMP (24HR TREND) 39-40 (-9) 39  
MAX RH % (24HR TREND) 97-100 (0) 99-100  
20FT WIND AM (MPH) N 5 SE 7-9  
20FT WIND PM (MPH) N 7-11 NE 5 SE 4-5 SE 7-9  
PEAK WIND GUSTS (MPH) 24  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3200 1500  
MAX MIXING HGT (FT) 4200 2200  
1700FT MIXING TEMP 50 54  
TRANSPORT WND (MPH) N 8 SE 12  
VENT RATE (MPH-FT) 32700 27700  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 5 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE MID 50S. NORTH WINDS  
AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS AROUND  
5 MPH.  
 

 
 
ILZ033-261015-  
IROQUOIS-  
INCLUDING THE CITIES OF WATSEKA AND GILMAN  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0 10  
MAX TEMP (24HR TREND) 56 (+5) 57-58  
MIN RH % (24HR TREND) 57-60 (-22) 57-59  
MIN TEMP (24HR TREND) 40-41 (-8) 37-38  
MAX RH % (24HR TREND) 95-100 (0) 100  
20FT WIND AM (MPH) N 5 SE 5-7  
20FT WIND PM (MPH) N 6-10 N 5 LGT/VAR SE 5-7  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3400 1600  
MAX MIXING HGT (FT) 4200 2200  
1700FT MIXING TEMP 51 54  
TRANSPORT WND (MPH) N 9 SE 11  
VENT RATE (MPH-FT) 36800 25200  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
INZ010-261015-  
NEWTON-  
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 10 0 0 0  
MAX TEMP (24HR TREND) 56 (+5) 57-58  
MIN RH % (24HR TREND) 57-60 (-24) 57-60  
MIN TEMP (24HR TREND) 41-42 (-6) 37  
MAX RH % (24HR TREND) 94-97 (-3) 100  
20FT WIND AM (MPH) N 5 LGT/VAR  
20FT WIND PM (MPH) N 5-9 N 5 LGT/VAR SE 4-5  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3500 1700  
MAX MIXING HGT (FT) 4300 2300  
1700FT MIXING TEMP 51 52  
TRANSPORT WND (MPH) N 10 SE 10  
VENT RATE (MPH-FT) 44800 22300  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 5 MPH.   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
INZ011-261015-  
JASPER-  
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE  
342 PM CDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE SHOWERS NONE NONE NONE  
CHANCE PRECIP (%) 20 0 0 0  
MAX TEMP (24HR TREND) 55-56 (+5) 57  
MIN RH % (24HR TREND) 58-61 (-24) 56-59  
MIN TEMP (24HR TREND) 41-42 (-6) 36  
MAX RH % (24HR TREND) 91-94 (-6) 100  
20FT WIND AM (MPH) N 5-6 LGT/VAR  
20FT WIND PM (MPH) N 5-9 N 5-6 LGT/VAR SE 4-5  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3200 1800  
MAX MIXING HGT (FT) 4200 2500  
1700FT MIXING TEMP 50 51  
TRANSPORT WND (MPH) N 13 SE 9  
VENT RATE (MPH-FT) 55900 21400  
VENT RATE CATEGORY FAIR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS AROUND 50. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
INZ019-261015-  
BENTON-  
INCLUDING THE CITIES OF FOWLER AND OXFORD  
442 PM EDT MON OCT 25 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE NONE  
CHANCE PRECIP (%) 10 0 0 0  
MAX TEMP (24HR TREND) 56 (+5) 57-58  
MIN RH % (24HR TREND) 58-59 (-25) 57-60  
MIN TEMP (24HR TREND) 41-42 (-8) 36-37  
MAX RH % (24HR TREND) 90-95 (-5) 100  
20FT WIND AM (MPH) N 5 LGT/VAR  
20FT WIND PM (MPH) N 5-9 N 5 LGT/VAR SE 4-5  
PEAK WIND GUSTS (MPH)  
PRECIP AMOUNT (IN) 0.00 0.00 0.00 0.00  
11 AM MIXING HGT (FT) 3300 1600  
MAX MIXING HGT (FT) 4100 2300  
1700FT MIXING TEMP 51 52  
TRANSPORT WND (MPH) N 11 SE 10  
VENT RATE (MPH-FT) 45200 21300  
VENT RATE CATEGORY POOR POOR  
HAINES INDEX 4-LOW 4-LOW  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
(WINDS ARE 20 FT LEVEL)  
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS AROUND 5 MPH.    
THURSDAY
 
RAIN SHOWERS. HIGHS IN THE MID 50S. EAST WINDS AROUND  
5 MPH.    
THURSDAY NIGHT
 
RAIN SHOWERS. LOWS AROUND 50. NORTHEAST WINDS  
AROUND 5 MPH.    
FRIDAY
 
RAIN SHOWERS LIKELY. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS AROUND  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
AROUND 5 MPH.  
 

 
 
KLUBER  
 
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