646  
FOUS53 KLOT 171215  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
615 AM CST MON FEB 17 2025  
 
ILZ104-172200-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 11 -3 12 4 14  
TEMP 3 10 11 8 4 0 -2 -3 1 10 12 8 7 5 4 4 7 12 13 12  
DEWPT -5 -4 -4 -4 -7 -8 -9-10 -7 -3 -1 0 -1 -2 -1 0 1 5 6 6  
RH 68 52 50 57 59 68 71 71 68 55 55 69 69 72 79 83 76 73 73 76  
WIND DIR W W W NW NW NW NW NW NW NW N N N NW NW NW NW NW NW NW  
WIND SPD 14 17 16 12 11 11 11 9 10 9 9 6 6 6 6 6 8 10 10 9  
WIND GUST 21  
CLOUDS SC B1 B1 B1 B1 SC FW SC FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 0 10 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S C C C  
WIND CHILL -16 -8 -6 -8-12-17-20-19-15 -3 0 -3 -5 -7 -8 -8 -6 -1 0 0  
MIN CHILL -15 -16 -8 -17 -20 -20 -3 -7 -8 -8 0  
COLD WEATHER Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 2 18 6 24 10 28 20 36  
TEMP 6 2 16 16 9 6 21 19 13 10 24 25 22 22 32 32  
DEWPT 2 1 9 10 7 4 14 13 10 9 15 17 17 18 25 27  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 B1 SC SC SC FW SC SC SC B1 SC SC SC SC B1 B1  
POP 12HR 30 5 5 0 10 10 5 10  
SNOW C S  
 

 
ILZ003-172200-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 7 -9 8 -2 10  
TEMP 1 5 7 2 -2 -5 -8 -9 -5 4 8 4 2 -2 -2 -1 1 7 10 8  
DEWPT -7 -6 -7 -8 -9-10-12-12 -9 -5 -3 -3 -4 -5 -5 -4 -2 2 4 3  
RH 68 59 52 62 71 78 82 86 82 65 60 72 75 87 87 87 87 79 76 79  
WIND DIR W W NW NW NW NW NW NW N N N N N N N N N NW NW NW  
WIND SPD 14 16 16 10 9 10 9 8 9 8 8 5 5 6 6 6 8 9 10 8  
WIND GUST 19  
CLOUDS SC B1 B1 B1 B1 SC FW FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S  
WIND CHILL -18-14-11-14-18-22-25-25-21 -9 -4 -7 -9-15-15-14-13 -7 -4 -4  
MIN CHILL -19 -19 -14 -22 -25 -25 -7 -15 -15 -14 -5  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -4 15 -3 19 4 25 14 34  
TEMP -1 -4 11 11 2 -3 15 13 8 4 20 21 18 19 30 30  
DEWPT -3 -4 6 6 1 -3 10 9 5 4 15 16 15 16 26 27  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 SC FW SC SC FW SC SC B1 B1 SC SC SC SC B1 B1  
POP 12HR 10 0 0 0 10 5 5 5  
 

 
ILZ104-172200-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 11 -1 13 6 15  
TEMP 5 10 10 7 5 2 0 -1 3 11 13 10 8 6 6 6 7 13 14 12  
DEWPT -5 -4 -4 -4 -7 -7 -8 -8 -5 -2 0 1 1 0 0 2 2 5 7 6  
RH 62 52 52 60 57 65 68 71 68 55 55 66 72 76 76 83 79 70 73 76  
WIND DIR W W W NW NW NW NW NW NW NW N N N NW NW NW NW NW NW NW  
WIND SPD 14 16 14 11 10 11 11 10 11 9 9 9 9 9 9 8 9 10 10 10  
CLOUDS SC B1 B2 B2 B1 SC FW SC SC SC SC B1 B2 B2 B2 OV B2 B2 B2 B2  
POP 12HR 5 5 0 10 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S C C C  
WIND CHILL -13 -7 -7 -8-10-15-17-17-13 -2 1 -3 -5 -8 -8 -7 -7 0 1 -1  
MIN CHILL -12 -15 -8 -15 -18 -18 -3 -8 -8 -8 -1  
COLD WEATHER Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 3 19 6 24 11 28 20 36  
TEMP 8 4 16 16 10 7 21 20 14 11 25 25 22 22 32 32  
DEWPT 3 1 8 10 8 6 13 14 11 10 15 18 17 19 24 27  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC SC B1 SC SC SC SC SC B1  
POP 12HR 30 10 5 0 10 10 5 10  
SNOW C C  
 

 
ILZ021-172200-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 11 -4 11 4 13  
TEMP 5 10 10 7 4 0 -2 -3 1 8 11 8 6 5 4 4 7 11 12 10  
DEWPT -3 -3 -2 -3 -5 -7 -8 -9 -7 -4 -2 0 -1 -2 -1 0 2 6 7 6  
RH 69 55 57 63 65 71 75 75 68 57 55 69 72 72 79 83 79 80 80 83  
WIND DIR W W W NW NW NW N NW N N N N N N N N N NW NW NW  
WIND SPD 14 17 14 10 10 10 11 9 10 8 9 6 6 6 8 6 8 10 11 9  
CLOUDS SC B2 B2 B2 B1 SC FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 5 5 0 10 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOW C C S  
WIND CHILL -13 -8 -7 -8-11-16-20-19-15 -4 -2 -3 -6 -7 -9 -8 -6 -3 -2 -3  
MIN CHILL -14 -14 -8 -16 -21 -21 -3 -7 -9 -7 -3  
COLD WEATHER Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 0 16 1 21 8 28 17 36  
TEMP 5 0 13 12 5 1 18 17 9 9 25 23 20 20 32 31  
DEWPT 2 -2 7 8 4 1 12 12 9 8 17 18 17 18 27 27  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR GN GN LT LT LT LT LT GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC B1 B1  
POP 12HR 20 0 0 0 10 10 5 5  
SNOW S  
 

 
ILZ006-172200-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 9 -4 10 2 14  
TEMP 3 8 9 4 1 -2 -3 -4 0 8 10 7 5 3 2 2 5 12 14 11  
DEWPT -6 -4 -5 -6 -8 -9-10-11 -7 -2 0 0 -1 -2 -2 -2 1 5 6 6  
RH 65 57 52 62 65 71 71 71 71 63 63 72 76 79 83 83 83 73 70 80  
WIND DIR W W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW  
WIND SPD 16 18 17 11 11 13 12 12 12 10 9 8 8 8 9 9 10 11 11 9  
WIND GUST 21 24  
CLOUDS SC B1 B1 B1 SC SC FW FW FW FW SC B1 B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 5 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S C  
WIND CHILL -16-11 -9-12-16-21-22-23-18 -6 -3 -6 -8-11-13-13-10 -2 0 -2  
MIN CHILL -17 -17 -12 -21 -23 -23 -6 -11 -13 -12 -2  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 3 19 5 24 8 27 18 35  
TEMP 6 3 16 15 9 5 21 19 12 9 23 24 21 21 31 31  
DEWPT 2 0 10 11 7 3 14 14 9 7 15 17 16 17 26 26  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC B1  
POP 12HR 30 10 5 0 10 10 5 10  
SNOW C C  
 

 
ILZ021-172200-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 12 -3 11 4 13  
TEMP 7 11 12 8 5 2 -1 -2 2 8 11 9 7 6 5 4 7 11 12 9  
DEWPT -3 -2 -1 -1 -3 -5 -9 -9 -7 -5 -3 0 -1 -1 -1 -1 2 7 8 6  
RH 63 55 55 66 69 72 68 71 65 54 52 66 69 72 76 79 79 83 84 87  
WIND DIR W W W NW NW N N N N N N N N N N N N NW NW NW  
WIND SPD 13 14 13 10 10 11 11 10 10 8 8 5 5 5 5 5 5 8 9 8  
CLOUDS B1 B2 B2 B2 B1 B1 SC B1 SC B1 B1 B2 OV OV B2 B2 B2 B2 B2 B2  
POP 12HR 10 10 5 20 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
FLURRIES C  
SNOW S S S S C C S  
WIND CHILL -10 -5 -3 -6-10-15-18-19-14 -4 -1 -1 -3 -5 -6 -7 -3 -1 0 -3  
MIN CHILL -13 -13 -6 -15 -19 -21 -4 -6 -7 -6 -3  
COLD WEATHER Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -3 15 -1 21 7 28 17 36  
TEMP 2 -3 11 11 2 -1 17 15 9 8 25 23 19 20 32 31  
DEWPT 1 -3 6 8 2 -1 12 12 9 8 18 19 17 18 28 29  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC B1  
POP 12HR 20 0 0 0 10 10 0 5  
SNOW S  
 

 
INZ002-172200-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 13 0 14 8 16  
TEMP 7 12 13 9 6 3 0 0 5 12 14 12 11 9 8 8 10 15 16 14  
DEWPT -2 -1 -1 -1 -2 -4 -5 -5 0 4 6 5 5 5 6 6 7 9 9 8  
RH 66 55 53 63 69 72 79 79 79 70 70 73 76 83 91 91 87 77 73 76  
WIND DIR W W W NW NW NW NW W NW NW NW N N NW NW NW NW NW NW NW  
WIND SPD 14 16 14 11 11 11 11 11 11 11 11 8 5 5 5 5 5 9 9 9  
CLOUDS SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 OV B2 B2 B2 B2 B2  
POP 12HR 5 10 30 30 30  
QPF 12HR 0 0 0.01 0.01 0.05  
SNOW 12HR 00-00 00-00 T  
SNOW S S C C S S C C C C C C C  
WIND CHILL -10 -5 -3 -6-10-13-17-17-11 -2 0 0 2 -1 -2 -2 0 3 4 2  
MIN CHILL -12 -11 -6 -13 -17 -16 -1 -1 -2 -1 2  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 4 18 5 24 8 28 17 34  
TEMP 8 4 16 15 10 5 21 18 11 8 24 23 19 20 31 30  
DEWPT 5 2 9 11 9 5 14 13 10 8 16 17 15 16 24 25  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 B2 B1 SC B1 SC SC SC B1 B1 B1 SC SC SC SC B1  
POP 12HR 40 10 5 0 10 10 5 10  
SNOW C S  
 

 
ILZ005-172200-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 7 -8 8 -2 11  
TEMP 1 6 7 2 -2 -5 -8 -8 -4 5 8 3 2 -1 -2 -1 2 8 10 8  
DEWPT -7 -5 -6 -7 -9-10-11-12 -8 -4 -1 -1 -3 -4 -5 -4 0 4 6 5  
RH 68 60 54 65 71 78 86 82 82 65 66 83 79 87 87 87 91 83 83 87  
WIND DIR W W W NW NW NW NW NW N NW NW N N N N NW NW NW NW NW  
WIND SPD 14 16 16 10 9 11 9 9 10 9 8 5 5 6 6 6 8 10 10 8  
WIND GUST 20 19  
CLOUDS SC B1 B1 B1 SC SC FW FW FW FW SC B1 B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S S  
WIND CHILL -18-13-11-14-18-23-25-25-21 -9 -4 -8 -9-14-15-14-12 -6 -4 -4  
MIN CHILL -19 -20 -14 -23 -25 -25 -8 -14 -15 -14 -5  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -3 16 -1 21 5 25 14 34  
TEMP 1 -3 12 12 3 -1 16 14 8 5 20 20 18 18 29 29  
DEWPT 0 -3 9 8 3 -1 14 11 7 5 17 17 16 17 27 27  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC SC B1 SC SC SC SC SC B1  
POP 12HR 20 0 0 0 10 5 5 5  
SNOW S  
 

 
ILZ008-172200-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 8 -9 8 -1 10  
TEMP 0 6 8 4 -1 -4 -7 -9 -5 4 8 4 3 -1 -1 -1 2 7 9 8  
DEWPT -6 -5 -5 -6 -8-10-11-12 -9 -5 -3 -2 -3 -4 -4 -4 -1 2 4 3  
RH 75 60 54 62 71 75 82 86 82 65 60 75 75 87 87 87 87 79 80 79  
WIND DIR W W NW NW NW NW N N N N N N N N N N N NW NW NW  
WIND SPD 14 16 16 11 10 10 9 8 9 8 8 4 4 5 5 5 6 9 9 6  
WIND GUST 20  
CLOUDS SC B1 B1 B2 B1 SC FW SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S  
WIND CHILL -19-12-10-12-17-21-24-25-21 -9 -4 -5 -6-13-13-13-10 -7 -4 -3  
MIN CHILL -19 -22 -12 -21 -25 -25 -7 -13 -13 -13 -5  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -5 15 -3 18 4 25 15 34  
TEMP 0 -5 11 10 2 -3 14 13 8 4 20 21 19 19 30 31  
DEWPT -3 -5 6 6 0 -4 10 8 5 4 15 17 15 17 26 27  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT GN  
AVG CLOUDS B1 SC SC SC SC FW SC SC SC SC SC SC SC SC B1 B1  
POP 12HR 10 0 0 0 10 5 5 5  
 

 
ILZ011-172200-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 7 -8 7 -2 10  
TEMP 0 6 7 3 -1 -5 -7 -8 -4 4 7 4 2 -1 -2 -1 2 7 9 8  
DEWPT -6 -4 -5 -6 -7-10-11-12 -9 -4 -2 -2 -3 -4 -4 -3 0 4 6 5  
RH 75 62 57 65 75 78 82 82 78 68 66 75 79 87 91 91 91 87 87 87  
WIND DIR W W NW NW NW NW NW NW N N N N N N N N N NW NW NW  
WIND SPD 14 17 16 11 11 11 10 9 10 9 9 5 5 6 8 8 9 10 11 9  
CLOUDS SC B1 B1 B1 B1 SC FW SC FW SC SC B1 B2 B2 B2 OV B2 B2 B2 B2  
POP 12HR 0 0 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S S  
WIND CHILL -19-13-11-14-18-23-25-25-21-10 -7 -7 -9-14-17-15-13 -8 -6 -5  
MIN CHILL -21 -21 -15 -23 -25 -25 -8 -14 -17 -15 -6  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -3 15 -2 18 5 24 15 34  
TEMP 1 -3 11 10 2 -2 15 13 7 5 20 20 18 18 29 29  
DEWPT 0 -4 7 8 2 -2 12 10 6 5 16 17 16 17 27 27  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 SC SC SC SC FW SC SC B1 B1 SC SC SC SC B1 B1  
POP 12HR 20 0 0 0 10 10 5 5  
SNOW S  
 

 
ILZ010-172200-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 8 -8 9 0 10  
TEMP 1 7 8 4 0 -4 -5 -8 -3 5 9 4 3 1 0 0 2 6 9 7  
DEWPT -5 -3 -4 -6 -7 -9-10-11 -8 -4 -2 -1 -2 -3 -4 -3 0 4 5 4  
RH 75 63 57 62 71 78 78 86 78 65 60 79 79 83 83 87 91 91 83 87  
WIND DIR W W NW NW NW NW N N N N N N N N N N N NW NW NW  
WIND SPD 14 14 16 11 10 10 10 6 9 8 8 4 5 5 5 5 6 8 9 8  
CLOUDS B1 B1 B2 B2 B1 SC FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S  
WIND CHILL -18-10-10-12-16-21-22-23-19 -8 -3 -6 -7-10-11-12-10 -7 -4 -6  
MIN CHILL -19 -19 -12 -21 -23 -24 -7 -10 -12 -12 -7  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -5 14 -3 18 4 25 15 35  
TEMP 0 -5 10 9 1 -3 13 13 8 5 20 21 19 19 30 31  
DEWPT -2 -5 6 7 1 -4 10 10 6 4 17 18 17 18 28 28  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC FW FW SC SC SC SC SC SC SC SC B1 B1  
POP 12HR 10 0 0 0 10 5 5 5  
 

 
ILZ012-172200-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 9 -6 10 1 12  
TEMP 3 7 8 5 1 -3 -5 -6 -1 7 10 6 4 2 2 2 5 10 12 9  
DEWPT -6 -4 -4 -5 -7 -9-10-10 -7 -3 -2 0 -1 -3 -2 -2 1 5 7 6  
RH 65 60 57 62 68 75 78 82 75 63 57 76 79 79 83 83 83 80 80 87  
WIND DIR W W W NW NW NW NW NW N N NW N N N N N NW NW NW NW  
WIND SPD 14 17 17 11 11 11 10 9 10 9 9 6 6 8 8 8 9 10 11 9  
WIND GUST 21  
CLOUDS SC B1 B1 B2 B1 SC FW SC FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 0 10 30  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW C C S  
WIND CHILL -17-12-10-11-16-21-22-23-18 -7 -3 -6 -8-12-12-12-10 -4 -3 -4  
MIN CHILL -18 -19 -11 -21 -23 -24 -7 -12 -13 -12 -4  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -1 16 1 21 7 26 17 35  
TEMP 3 -1 14 12 5 2 18 15 9 7 23 23 19 20 31 31  
DEWPT 1 -1 9 8 4 1 13 12 8 7 17 18 17 18 27 27  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 B1 SC SC SC FW SC SC SC B1 SC SC SC SC B1 B1  
POP 12HR 20 5 0 0 10 10 5 10  
SNOW S S  
 

 
ILZ020-172200-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 10 -5 9 2 12  
TEMP 4 9 10 6 2 -2 -3 -5 -1 7 9 6 5 3 3 2 4 10 12 9  
DEWPT -4 -3 -3 -4 -6 -8 -9-10 -7 -3 -2 -1 -1 -3 -2 -1 2 5 7 6  
RH 68 57 55 62 68 75 75 78 75 63 60 72 76 75 79 87 91 80 80 87  
WIND DIR W W W NW NW NW N NW N N N N N N N N N NW NW NW  
WIND SPD 14 17 16 11 10 11 11 9 10 9 9 8 8 8 9 8 9 10 11 10  
CLOUDS SC B1 B2 B2 B1 SC FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 5 5 0 10 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOW C C S  
WIND CHILL -14 -9 -7-10-14-20-21-21-17 -7 -4 -7 -8-11-12-12-10 -4 -2 -5  
MIN CHILL -17 -17 -10 -20 -22 -22 -7 -11 -13 -12 -5  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -1 15 0 20 7 27 17 35  
TEMP 3 -1 13 12 4 1 17 15 9 8 23 23 19 20 31 31  
DEWPT 1 -2 7 8 4 1 12 11 8 8 17 18 17 18 27 27  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 SC SC SC SC FW SC SC SC B1 SC SC SC SC B1 B1  
POP 12HR 20 0 0 0 10 10 5 10  
SNOW S  
 

 
ILZ013-172200-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 10 -4 12 3 13  
TEMP 4 10 10 7 3 -1 -3 -4 1 9 11 8 6 4 4 4 6 11 12 11  
DEWPT -5 -4 -5 -5 -7 -8 -9-10 -7 -3 -2 -1 -1 -2 -2 -1 1 5 6 6  
RH 65 52 50 57 62 71 75 75 68 57 55 66 72 75 75 79 79 76 76 80  
WIND DIR W W W NW NW NW NW NW N N N N N N N NW NW NW NW NW  
WIND SPD 14 17 16 11 10 11 11 10 10 9 9 6 6 6 8 8 8 10 10 9  
WIND GUST 20  
CLOUDS SC B1 B2 B2 B1 SC FW SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 0 10 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOW C C C  
WIND CHILL -14 -8 -7 -9-12-18-21-21-15 -4 -2 -4 -6 -8-10 -9 -7 -3 -1 -2  
MIN CHILL -15 -16 -10 -18 -21 -22 -5 -8 -11 -9 -2  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 1 18 4 23 9 28 18 36  
TEMP 6 1 15 14 8 4 20 18 12 10 24 24 21 21 31 31  
DEWPT 2 0 9 9 6 3 13 13 10 9 15 17 17 18 26 27  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 B1 SC SC SC FW SC SC SC SC SC SC SC SC B1 B1  
POP 12HR 30 5 0 0 10 10 5 10  
SNOW C S  
 

 
ILZ019-172200-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 11 -3 10 3 11  
TEMP 5 10 11 9 5 1 -1 -3 0 7 10 7 6 4 3 3 5 9 11 9  
DEWPT -3 -2 -1 -2 -5 -7 -9-10 -8 -5 -3 -2 -2 -3 -3 -2 1 4 5 5  
RH 69 57 57 60 62 68 68 71 68 57 55 66 69 72 75 79 83 80 76 83  
WIND DIR W W W NW NW N N N N N N N N N N N N NW NW NW  
WIND SPD 14 14 13 10 10 11 11 9 10 8 9 6 6 6 8 8 8 9 10 9  
CLOUDS B1 B2 B2 B2 B1 SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 10 5 0 10 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOW C C S  
WIND CHILL -13 -7 -5 -6-10-16-18-19-16 -6 -3 -5 -6 -8-11-11 -8 -4 -3 -4  
MIN CHILL -14 -14 -6 -16 -20 -20 -5 -8 -11 -11 -4  
COLD WEATHER Y Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -2 14 -1 20 7 28 17 36  
TEMP 3 -2 11 11 3 -1 16 15 9 8 23 23 20 20 31 31  
DEWPT 0 -4 5 6 2 -2 10 10 7 7 16 17 16 18 26 27  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR GN GN LT LT LT LT LT GN  
AVG CLOUDS B2 SC SC SC SC SC SC SC B1 B1 SC SC SC SC B1 B1  
POP 12HR 20 0 0 0 10 10 5 5  
SNOW S  
 

 
ILZ106-172200-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 11 -3 12 4 13  
TEMP 5 10 10 7 4 0 -2 -3 1 9 12 9 7 5 4 4 7 12 13 11  
DEWPT -4 -3 -3 -3 -5 -7 -8 -8 -7 -4 -2 0 0 -2 -1 1 2 6 7 6  
RH 65 55 55 63 65 71 75 78 68 54 52 66 72 72 79 87 79 76 76 80  
WIND DIR W W W NW NW NW NW NW N N N N N N N NW NW NW NW NW  
WIND SPD 14 16 14 11 10 11 11 10 10 9 9 6 6 6 6 6 8 9 10 9  
CLOUDS SC B2 B2 B2 B1 SC FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 5 5 0 10 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S C C S  
WIND CHILL -13 -7 -7 -8-11-17-20-20-15 -4 0 -2 -5 -7 -8 -8 -6 0 0 -2  
MIN CHILL -14 -14 -8 -17 -21 -20 -3 -7 -8 -7 -2  
COLD WEATHER Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 0 17 2 22 9 28 18 36  
TEMP 5 0 14 14 6 2 19 18 12 9 25 24 20 20 32 31  
DEWPT 3 0 8 9 6 2 13 13 10 9 17 19 18 19 27 28  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 B1 SC SC SC FW SC SC SC B1 SC SC SC SC B1 B1  
POP 12HR 20 5 0 0 10 10 5 10  
SNOW S S  
 

 
ILZ023-172200-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 12 -3 12 5 14  
TEMP 6 11 12 8 6 2 0 -2 2 9 12 10 8 6 5 5 8 13 14 11  
DEWPT -3 -2 -2 -1 -3 -6 -8 -8 -7 -4 -2 0 0 -1 -1 1 3 7 8 6  
RH 66 55 52 66 66 68 68 75 65 54 52 63 69 72 76 83 79 76 76 80  
WIND DIR W W W NW NW NW NW NW N N N N N N N N NW NW NW NW  
WIND SPD 14 16 14 10 10 11 11 9 10 8 8 5 5 5 5 5 5 6 8 6  
CLOUDS SC B2 B2 B2 B1 B1 SC B1 SC SC B1 B2 B2 B2 OV B2 B2 B2 B2 B2  
POP 12HR 10 10 0 20 30  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S S S C C C  
WIND CHILL -12 -6 -4 -6-10-15-17-18-14 -3 0 0 -2 -4 -6 -6 -2 2 3 0  
MIN CHILL -12 -13 -7 -15 -19 -20 -1 -4 -6 -4 0  
COLD WEATHER Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 0 17 2 22 8 28 17 36  
TEMP 6 0 14 12 6 2 19 17 11 9 25 23 19 19 32 31  
DEWPT 3 -1 7 8 5 2 12 12 10 9 17 18 17 18 26 27  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC B1  
POP 12HR 30 5 0 0 10 10 5 5  
SNOW C  
 

 
ILZ033-172200-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 14 -2 13 6 15  
TEMP 7 11 14 10 7 4 2 -2 4 10 13 12 9 8 7 6 9 14 15 12  
DEWPT -2 0 0 1 -1 -4 -8 -9 -6 -4 -1 0 1 1 1 1 3 7 8 6  
RH 66 60 53 66 69 68 62 71 62 52 53 58 69 72 76 79 76 73 73 76  
WIND DIR W W W NW NW NW N N N N N N N N N N N NW NW NW  
WIND SPD 13 14 13 10 10 11 11 10 10 8 8 5 5 5 5 5 5 6 8 8  
CLOUDS SC B2 B2 B2 B2 B1 SC B1 B1 B1 B1 B2 B2 OV OV B2 B2 B2 B2 B2  
POP 12HR 10 10 5 20 30  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
FLURRIES C C  
SNOW S S S S C C C C S  
WIND CHILL -10 -5 -1 -4 -8-12-15-19-11 -2 2 3 -1 -2 -3 -4 -1 4 4 0  
MIN CHILL -11 -12 -4 -12 -19 -20 0 -2 -4 -3 0  
COLD WEATHER Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 0 17 2 23 8 29 17 36  
TEMP 5 0 13 12 5 2 19 18 12 9 25 24 19 20 32 31  
DEWPT 3 -2 6 7 4 1 12 12 10 9 17 18 16 16 26 27  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR GN GN LT LT LT LT LT GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC SC B1 SC SC SC SC SC SC  
POP 12HR 20 0 0 0 10 10 0 5  
SNOW S  
 

 
ILZ039-172200-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 15 0 13 6 15  
TEMP 9 13 15 11 8 4 2 1 4 10 13 11 9 7 6 6 9 14 15 11  
DEWPT -1 1 2 2 0 -4 -6 -8 -6 -4 -2 0 1 1 1 1 3 7 8 6  
RH 63 58 55 66 69 68 68 65 62 52 50 60 69 76 79 79 76 73 73 80  
WIND DIR W W W NW NW N N N N N N N N N N N N N NW NW  
WIND SPD 13 13 12 10 12 11 11 11 10 9 8 6 8 8 8 6 8 10 11 10  
CLOUDS B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 OV OV OV B2 B2 B2 B2 B2  
POP 12HR 20 20 5 30 30  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
FLURRIES C C C  
SNOW S S S S C C S S C C S  
WIND CHILL -8 -2 1 -3 -8-12-15-17-11 -3 2 0 -3 -6 -7 -6 -4 1 2 -3  
MIN CHILL -10 -10 -3 -12 -17 -18 -2 -6 -7 -6 -3  
COLD WEATHER Y Y Y Y Y  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX -1 15 1 23 8 29 17 37  
TEMP 4 -1 12 11 5 2 19 17 10 9 25 23 19 19 33 31  
DEWPT 2 -3 6 6 3 1 12 12 10 9 18 19 17 17 26 27  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR GN GN LT LT LT LT LT GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 0 0 0 5 10 0 5  
SNOW S  
 

 
INZ001-172200-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 12 -1 13 6 16  
TEMP 6 11 12 8 5 2 0 -1 3 10 13 10 9 7 6 6 9 14 15 12  
DEWPT -3 -1 -2 -1 -3 -6 -8 -8 -4 0 2 2 3 2 2 3 5 7 8 8  
RH 66 57 52 66 69 68 68 71 72 63 61 69 76 79 83 87 83 73 73 84  
WIND DIR W W W NW NW NW NW NW NW NW N N N N NW NW NW NW NW NW  
WIND SPD 13 14 14 10 9 10 10 9 10 10 9 5 5 5 5 5 5 6 8 8  
CLOUDS SC B1 B2 B2 B1 SC SC SC SC SC B1 B1 B2 B2 OV B2 B2 B2 B2 B2  
POP 12HR 5 5 5 20 30  
QPF 12HR 0 0 0 0 0.03  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S S S C C C C C  
WIND CHILL -11 -5 -4 -6 -9-14-16-16-12 -4 1 -1 -1 -3 -4 -4 -1 4 4 1  
MIN CHILL -15 -15 -7 -14 -16 -16 -1 -3 -4 -3 0  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 2 18 4 24 8 28 17 35  
TEMP 7 2 16 15 8 4 21 18 12 9 25 24 20 20 31 31  
DEWPT 4 1 9 10 7 4 14 13 10 9 16 18 17 17 25 26  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR GN GN LT LT LT LT LT GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC SC B1 SC SC SC SC SC B1  
POP 12HR 40 10 5 0 10 10 5 10  
SNOW C S  
 

 
INZ010-172200-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 14 1 14 7 16  
TEMP 7 12 14 11 7 5 2 1 4 11 14 12 9 8 7 7 10 14 16 12  
DEWPT -1 0 -1 1 -1 -4 -7 -8 -5 -2 2 2 3 3 3 3 5 9 9 7  
RH 69 58 50 63 69 65 65 65 65 55 58 63 76 79 83 83 80 80 73 80  
WIND DIR W W W NW NW NW NW NW N N N N N N N N N NW NW NW  
WIND SPD 13 16 13 10 10 11 10 9 9 8 8 5 5 5 5 5 5 6 8 6  
CLOUDS SC B2 B2 B2 B2 B1 SC B1 SC B1 B1 B2 B2 OV OV OV B1 B2 B2 B2  
POP 12HR 10 10 5 20 30  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
FLURRIES C  
SNOW S S C C C C C  
WIND CHILL -10 -5 -1 -3 -7-11-13-14-10 -1 3 3 -1 -2 -3 -3 0 4 5 1  
MIN CHILL -11 -12 -4 -12 -14 -15 0 -2 -3 -2 0  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 0 17 2 24 8 29 17 36  
TEMP 6 0 14 12 5 2 20 18 12 9 25 23 19 19 32 30  
DEWPT 5 -1 8 8 5 2 14 13 10 9 18 19 17 17 26 27  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT GN  
AVG CLOUDS B2 B2 SC SC SC SC SC SC SC B1 SC SC SC SC SC SC  
POP 12HR 30 5 0 0 5 10 0 5  
SNOW C  
 

 
INZ011-172200-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
615 AM CST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 14 1 14 7 18  
TEMP 7 12 14 11 7 5 3 2 5 12 14 12 10 8 7 7 10 16 17 14  
DEWPT -2 -1 -1 0 -1 -4 -7 -8 -4 1 4 5 4 4 4 4 7 9 10 8  
RH 66 55 50 60 69 65 62 62 65 60 64 73 76 83 87 87 87 73 73 76  
WIND DIR W W W W NW NW NW NW NW NW N N N N N N N NW NW NW  
WIND SPD 13 16 14 10 10 10 9 9 9 9 9 5 5 5 4 4 5 6 8 6  
CLOUDS SC B2 B2 B2 B1 B1 SC B1 SC B1 B1 B2 B2 OV OV OV B2 B2 B2 OV  
POP 12HR 5 5 5 20 30  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S S S C C C C C  
WIND CHILL -10 -5 -1 -3 -8-10-12-13 -9 0 2 3 1 -2 -2 -2 1 6 7 4  
MIN CHILL -11 -12 -3 -10 -14 -14 1 -2 -3 -1 3  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 2 18 4 24 9 29 17 36  
TEMP 8 2 15 14 8 4 21 18 12 9 26 24 20 19 32 30  
DEWPT 5 1 9 9 7 4 14 13 10 9 18 19 17 17 26 27  
PWIND DIR NW NW W W SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC B1 B1 B1 SC SC SC B1 SC  
POP 12HR 30 5 0 0 5 10 5 5  
SNOW C  
 

 
INZ019-172200-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
715 AM EST MON FEB 17 2025  
 
DATE MON 02/17/25 TUE 02/18/25 WED 02/19/25  
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 14 1 14 8 17  
TEMP 8 12 14 11 8 5 3 1 5 11 14 12 10 10 8 8 11 15 16 13  
DEWPT -1 1 1 2 1 -3 -5 -7 -5 0 3 4 4 4 4 4 7 10 11 8  
RH 66 60 55 66 72 69 68 68 62 60 61 70 76 76 83 83 83 80 80 80  
WIND DIR W W W NW NW NW NW NW N N N N N N N N N N NW NW  
WIND SPD 13 14 13 10 10 11 9 9 9 8 9 5 5 5 5 5 5 8 8 8  
CLOUDS B1 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B2 B2 OV OV OV B2 B2 B2 B2  
POP 12HR 10 10 5 20 30  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
FLURRIES C C  
SNOW S S S S C C C C C  
WIND CHILL -8 -4 -1 -3 -6-11-12-14 -9 -1 2 3 0 0 -2 -2 2 4 5 1  
MIN CHILL -10 -10 -4 -11 -14 -14 0 0 -2 -1 0  
 
DATE THU 02/20/25 FRI 02/21/25 SAT 02/22/25 SUN 02/23/25  
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 1 16 3 23 8 28 17 36  
TEMP 7 1 14 12 7 3 20 17 12 9 25 23 19 19 32 30  
DEWPT 5 -1 8 8 5 3 14 13 10 9 19 19 17 17 26 27  
PWIND DIR NW NW NW W SW SW SW SW  
WIND CHAR GN GN LT LT LT LT LT GN  
AVG CLOUDS B2 B1 SC SC SC SC SC SC SC B1 SC SC SC SC SC SC  
POP 12HR 30 5 0 0 5 10 0 5  
SNOW C  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page