905  
FOUS53 KLOT 180316  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
915 PM CST WED DEC 17 2025  
 
ILZ104-181000-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 34 49 12 27 22  
TEMP 38 42 45 48 44 40 31 24 15 13 12 14 21 24 26 23 26 29 32  
DEWPT 34 39 44 46 41 36 28 19 10 7 5 7 8 10 11 14 17 20 23  
RH 85 89 96 93 89 85 88 81 80 76 73 73 56 54 52 68 68 69 69  
WIND DIR S S S S SW W W W W W W W W W SW S S S S  
WIND SPD 14 17 18 19 17 18 21 24 21 20 18 14 11 10 8 10 13 14 14  
WIND GUST 29 33 31 37 36 36 35 33 29  
CLOUDS B1 OV OV OV OV B1 B1 B2 B2 B2 B1 SC SC SC B1 B2 B1 B2 B2  
POP 12HR 30 100 40 5 0  
QPF 12HR 0.02 0.26 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
RAIN SHWRS C D L C  
SNOWSHWRS C S S S  
WIND CHILL 29 33 38 37 30 18 8 -2 -5 -6 -1 9 14 17 12 14 18 21  
MIN CHILL 26 30 37 18 -2 -6 -6 11 12 16  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 18 30 21 38 34 45 29 40  
TEMP 41 36 27 19 28 27 23 26 35 36 35 36 43 39 34 30 39 38  
DEWPT 29 29 16 10 9 9 10 15 19 23 28 32 37 34 30 29 32 33  
PWIND DIR SW W W SW S S W NW E  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2  
POP 12HR 10 10 0 5 5 5 0 5 10  
 
 
ILZ003-181000-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 28 46 9 26 19  
TEMP 35 39 43 43 41 36 26 16 11 11 10 12 19 23 24 21 24 29 31  
DEWPT 33 38 42 40 38 31 21 12 7 5 4 5 7 9 11 14 17 20 23  
RH 92 96 96 89 89 82 81 84 83 76 76 73 59 54 57 74 74 69 72  
WIND DIR S S S S W W W W W W NW NW W SW S S S S S  
WIND SPD 14 16 17 17 14 21 24 24 21 20 17 12 10 10 9 12 14 16 14  
WIND GUST 28 29 29 39 39 37 35 33 27  
CLOUDS B1 B2 OV OV B2 B1 B2 B2 B2 B2 B1 SC SC SC B2 B2 B1 B2 B2  
POP 12HR 40 100 40 0 0  
QPF 12HR 0.03 0.23 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O  
FLURRIES C C  
RAIN SHWRS S C D S  
SNOWSHWRS C S  
WIND CHILL 26 30 35 35 33 24 11 -3 -8 -8 -8 -3 8 13 15 8 12 17 20  
MIN CHILL 23 28 33 11 -8 -8 -8 10 8 14  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 40 13 28 18 37 31 44 25 40  
TEMP 39 32 23 15 26 24 21 24 35 35 33 34 42 36 30 26 38 37  
DEWPT 29 25 14 9 8 10 11 14 19 25 29 32 35 32 27 26 32 32  
PWIND DIR SW NW NW S SE S W N SE  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B1 SC FW FW FW SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 10 5 0 5 5 5 0 0 5  
 
 
ILZ104-181000-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 34 50 13 27 23  
TEMP 38 42 46 48 46 41 32 26 17 13 13 16 21 25 26 24 26 30 32  
DEWPT 35 40 44 46 42 36 29 21 11 7 6 8 8 10 12 15 18 20 23  
RH 89 93 93 93 86 82 88 81 77 76 73 70 56 52 55 68 71 66 69  
WIND DIR S S S S SW W W W W W W W W W SW S S S S  
WIND SPD 13 16 19 20 19 17 20 24 21 20 18 16 13 11 10 11 13 14 16  
WIND GUST 26 31 34 32 35 36 36 35 33 29  
CLOUDS B1 OV OV OV OV B1 B2 B2 B2 B2 B1 SC SC SC B1 B2 B1 B2 B2  
POP 12HR 30 100 40 5 0  
QPF 12HR 0.02 0.28 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
RAIN SHWRS C D L C  
SNOWSHWRS C C S S  
WIND CHILL 29 34 38 38 32 20 11 0 -4 -4 0 8 13 16 13 15 19 22  
MIN CHILL 27 31 38 20 0 -5 -4 10 13 16  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 19 31 22 39 34 45 31 41  
TEMP 41 37 28 20 29 28 24 26 36 37 36 36 43 40 35 31 39 39  
DEWPT 29 30 17 10 9 11 12 16 19 24 29 33 37 35 31 30 32 34  
PWIND DIR SW W W SW S S W NW E  
WIND CHAR GN GN GN LT GN GN GN LT GN  
AVG CLOUDS B2 B2 SC FW FW FW SC B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1  
POP 12HR 10 10 0 5 5 5 0 5 10  
 
 
ILZ021-181000-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 50 12 28 22  
TEMP 36 41 46 49 45 40 30 25 16 13 12 16 23 27 25 23 27 30 32  
DEWPT 35 40 46 48 41 36 28 20 11 7 6 8 11 13 14 16 20 22 23  
RH 96 96100 96 86 85 92 81 80 76 76 70 59 55 62 74 74 72 69  
WIND DIR S S S S W W W W W W W W W W S S S S S  
WIND SPD 13 17 20 23 18 19 23 25 23 21 19 14 10 9 8 10 13 14 16  
WIND GUST 33 35 32 36 37 37 36 33 29  
CLOUDS B1 OV OV OV OV B1 B2 B2 B2 B2 B1 SC SC SC B1 B2 B1 B2 B2  
POP 12HR 30 100 40 0 0  
QPF 12HR 0.02 0.28 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
FLURRIES C C  
RAIN SHWRS C D C C  
SNOWSHWRS C C  
WIND CHILL 27 33 38 38 31 16 9 -2 -6 -6 1 12 17 16 13 15 19 21  
MIN CHILL 25 29 37 16 -2 -6 -4 14 13 17  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 44 19 33 22 40 33 47 28 43  
TEMP 42 35 27 20 31 28 24 26 37 36 35 35 45 40 35 29 41 40  
DEWPT 31 31 19 12 12 14 14 15 21 26 31 33 40 37 32 29 36 36  
PWIND DIR SW NW NW E SE S SW NW E  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B2 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 10 10 0 5 5 5 0 5 5  
 
 
ILZ006-181000-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 33 47 11 27 20  
TEMP 37 39 43 46 43 39 30 22 14 13 11 14 21 25 24 22 25 29 31  
DEWPT 33 37 42 45 40 35 28 18 10 8 5 8 9 11 12 15 17 20 23  
RH 85 92 96 96 89 85 92 84 84 80 76 76 59 55 60 74 71 69 72  
WIND DIR S S S S SW W W W W W W NW W W SW S S S S  
WIND SPD 17 18 19 20 18 19 21 24 20 20 18 16 12 10 8 10 12 13 14  
WIND GUST 33 32 39 36 37 36 35 31 24  
CLOUDS B1 B2 OV OV OV B1 B2 B2 B2 B2 B1 SC SC SC B2 B2 B1 B2 B2  
POP 12HR 30 100 40 5 0  
QPF 12HR 0.01 0.22 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
RAIN SHWRS C D L C  
SNOWSHWRS C S S S  
WIND CHILL 27 30 35 38 35 29 17 5 -4 -5 -8 -2 8 14 15 11 14 18 21  
MIN CHILL 24 28 35 17 -4 -8 -7 11 11 15  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 41 15 28 18 38 33 43 28 39  
TEMP 40 33 24 16 25 23 21 25 35 36 35 34 42 36 32 29 37 35  
DEWPT 29 27 15 9 9 10 11 16 21 24 28 31 35 32 28 27 31 31  
PWIND DIR SW W NW SW S S W NW E  
WIND CHAR GN GN GN LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2  
POP 12HR 20 10 0 5 5 10 5 0 5  
RAIN S  
SNOW S  
 
 
ILZ021-181000-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 30 50 11 29 22  
TEMP 38 43 47 49 46 41 31 24 17 13 12 18 24 28 24 23 27 30 32  
DEWPT 36 42 46 48 41 36 28 19 12 8 6 10 13 15 15 17 20 22 23  
RH 92 96 96 96 83 82 88 81 80 80 76 70 62 58 68 77 74 72 69  
WIND DIR S S S S W W W W W W W W W W S S S S S  
WIND SPD 17 19 20 24 17 19 23 26 25 23 20 14 11 10 9 12 16 18 18  
WIND GUST 29 34 37 33 37 36 39 37 34  
CLOUDS B1 OV OV OV OV B1 B1 B2 B2 B2 B1 SC FW SC SC B1 SC B1 B2  
POP 12HR 30 100 40 0 0  
QPF 12HR 0.02 0.29 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
FLURRIES C C  
RAIN SHWRS S C D C C  
SNOWSHWRS C C  
WIND CHILL 29 35 38 31 17 7 -2 -6 -7 3 13 18 15 11 14 18 20  
MIN CHILL 23 31 37 17 -2 -8 -3 15 11 15  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 44 19 34 22 40 33 48 28 45  
TEMP 42 35 26 20 32 28 24 26 38 36 35 36 46 40 35 30 43 41  
DEWPT 33 32 19 13 14 16 15 15 23 28 32 34 42 39 34 30 38 39  
PWIND DIR SW NW NW E SE S SW NW SE  
WIND CHAR BZ GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B1 SC FW FW FW SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 5 10 0 5 5 5 0 5 10  
 
 
INZ002-181000-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 34 49 13 25 20  
TEMP 35 40 44 47 47 42 34 28 20 14 13 17 21 24 24 22 24 28 30  
DEWPT 33 37 43 46 44 39 32 24 16 9 7 9 9 10 12 14 16 19 21  
RH 92 89 96 96 89 89 92 85 84 80 76 70 59 54 60 71 71 68 69  
WIND DIR S S S S S W W W W W W W W W SW S S S S  
WIND SPD 13 16 19 20 23 13 17 21 21 19 18 16 13 11 6 10 12 14 16  
WIND GUST 26 32 35 36 29 32 34 35 32 29 26  
CLOUDS SC OV OV OV OV B2 B2 B2 B2 B2 B2 B1 SC SC B1 B2 SC B1 B2  
POP 12HR 20 100 40 5 0  
QPF 12HR 0.01 0.33 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
RAIN SHWRS L D D S S  
SNOWSHWRS S C S S  
WIND CHILL 26 31 36 39 39 35 23 14 4 -3 -4 2 9 13 15 11 13 16 18  
MIN CHILL 26 28 37 23 4 -5 -2 11 11 14  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 20 31 20 38 32 45 29 41  
TEMP 40 36 29 21 29 27 22 25 35 35 34 35 42 39 35 30 39 39  
DEWPT 29 31 20 13 12 14 13 14 18 22 28 32 37 35 32 30 33 35  
PWIND DIR SW NW NW SW SE S SW NW SE  
WIND CHAR GN GN GN LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 10 10 0 0 5 10 5 5 10  
 
 
ILZ005-181000-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 28 46 8 25 18  
TEMP 35 38 42 45 41 37 27 17 11 11 9 11 18 22 23 20 24 28 30  
DEWPT 32 37 42 44 38 34 25 15 8 6 3 6 8 11 12 14 17 19 22  
RH 89 96100 96 89 89 92 92 87 80 76 80 64 62 62 77 74 68 72  
WIND DIR S S S S SW W W W W W W NW W W S S S S S  
WIND SPD 14 17 18 19 17 20 23 24 21 20 18 14 11 10 9 11 13 14 14  
WIND GUST 27 29 32 32 40 39 37 35 33 29  
CLOUDS B1 B2 OV OV OV B1 B2 B2 B2 B2 B1 SC SC SC B2 B2 B1 B2 B2  
POP 12HR 40 100 40 0 5  
QPF 12HR 0.02 0.27 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O  
FLURRIES C C  
RAIN SHWRS S C D C C  
SNOWSHWRS C S  
WIND CHILL 25 29 34 37 32 26 13 -2 -8 -8-10 -5 6 11 14 8 11 16 19  
MIN CHILL 22 26 32 13 -8 -10 -10 8 8 13  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 40 13 27 16 36 30 43 25 38  
TEMP 38 32 22 14 25 23 19 23 33 34 33 34 41 35 30 26 37 35  
DEWPT 30 26 14 8 9 9 9 13 20 23 28 31 36 32 27 25 32 31  
PWIND DIR SW W NW SW S S W NW E  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2  
POP 12HR 20 10 0 5 5 10 0 5 10  
SNOW S  
 
 
ILZ008-181000-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 29 47 10 27 20  
TEMP 36 41 44 43 40 35 26 16 11 11 10 13 20 23 25 21 25 29 32  
DEWPT 34 39 44 41 38 31 22 12 6 4 4 6 8 10 12 15 18 21 24  
RH 92 92100 93 92 85 85 84 80 73 76 73 59 57 57 77 74 72 72  
WIND DIR S S S SW W W W W W W NW NW W SW S S S S S  
WIND SPD 14 17 19 19 14 21 24 23 21 20 16 10 8 9 9 11 13 14 13  
WIND GUST 29 28 37 37 36 34 32 26  
CLOUDS B1 OV OV OV B2 B1 B2 B2 B2 B1 B1 SC SC SC B2 B2 B1 B2 B2  
POP 12HR 50 90 40 0 0  
QPF 12HR 0.04 0.23 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
FLURRIES C C  
RAIN SHWRS S C D S  
SNOWSHWRS C S  
WIND CHILL 27 32 36 34 32 24 11 -2 -8 -8 -7 -1 10 14 17 10 13 19 22  
MIN CHILL 24 29 32 11 -8 -8 -7 11 9 15  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 41 15 30 19 38 31 45 26 41  
TEMP 40 32 24 16 27 25 22 25 35 35 33 34 43 37 31 27 39 38  
DEWPT 30 26 15 10 10 12 13 15 20 26 30 32 36 33 28 27 33 33  
PWIND DIR SW NW NW SE SE S W N SE  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B1 SC FW FW FW SC B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1  
POP 12HR 10 5 0 5 5 5 0 0 5  
 
 
ILZ011-181000-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 28 46 9 26 20  
TEMP 35 39 43 45 42 37 28 18 12 11 10 12 20 23 24 21 24 28 30  
DEWPT 33 38 42 44 39 33 25 15 8 5 4 6 8 11 12 14 17 19 22  
RH 92 96 96 96 89 85 88 88 84 76 76 76 59 59 60 74 74 68 72  
WIND DIR S S S S W W W W W W W NW W W S S S S S  
WIND SPD 17 18 20 21 16 21 24 24 23 21 18 13 10 9 9 11 13 16 14  
WIND GUST 31 33 32 39 39 37 36 34 29  
CLOUDS B1 OV OV OV OV B1 B2 B2 B2 B2 B1 SC SC SC B2 B2 B1 B2 B2  
POP 12HR 50 100 40 0 0  
QPF 12HR 0.03 0.26 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O  
FLURRIES C C  
RAIN SHWRS S C D C C  
SNOWSHWRS C S  
WIND CHILL 25 29 34 37 34 26 13 0 -8 -9 -9 -4 8 13 14 9 12 16 19  
MIN CHILL 20 26 33 13 -8 -9 -9 10 9 13  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 41 15 29 19 37 31 44 26 40  
TEMP 39 32 24 16 27 24 22 24 34 34 33 34 42 36 31 27 38 36  
DEWPT 30 27 15 9 10 10 11 14 20 24 29 32 37 33 28 26 33 32  
PWIND DIR SW NW NW S SE S W N SE  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B1 SC FW FW FW SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 10 10 0 5 5 5 0 5 5  
 
 
ILZ010-181000-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 28 46 9 27 20  
TEMP 36 41 45 42 40 35 26 16 11 10 9 13 19 24 26 22 26 30 32  
DEWPT 35 40 44 41 38 31 22 12 7 4 4 7 9 11 13 16 19 22 24  
RH 96 96 96 96 92 85 85 84 83 76 80 76 64 57 57 77 74 72 72  
WIND DIR S S S SW W W W W W W W NW W SW S S S S S  
WIND SPD 13 16 19 19 16 23 26 24 21 19 14 10 8 8 8 10 13 13 12  
WIND GUST 28 39 40 37 35 32 25  
CLOUDS B1 OV OV OV B2 B1 B2 B2 B2 B1 SC FW SC SC B2 B2 B1 B2 B2  
POP 12HR 50 80 40 0 0  
QPF 12HR 0.04 0.24 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
FLURRIES C C  
RAIN SHWRS C C D S  
SNOWSHWRS C S  
WIND CHILL 27 32 37 34 32 23 10 -3 -8 -8 -8 0 10 14 17 11 14 20 22  
MIN CHILL 25 29 32 10 -8 -9 -6 12 10 16  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 15 30 20 38 31 45 27 41  
TEMP 40 32 24 16 28 26 23 26 36 36 33 34 43 37 32 28 40 38  
DEWPT 32 27 17 11 11 13 14 16 21 27 31 33 38 35 30 28 34 35  
PWIND DIR SW NW NW SE SE S W N SE  
WIND CHAR GN GN LT LT GN GN LT LT LT  
AVG CLOUDS B2 B1 SC FW FW FW SC B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1  
POP 12HR 5 5 0 5 0 5 0 0 5  
 
 
ILZ012-181000-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 48 10 26 21  
TEMP 36 40 44 47 43 38 29 21 14 12 11 13 20 24 24 22 25 28 31  
DEWPT 33 38 43 46 40 35 27 17 9 6 5 7 9 11 12 15 18 20 23  
RH 89 92 96 96 89 89 92 84 80 76 76 76 62 57 60 74 74 71 72  
WIND DIR S S S S W W W W W W W NW W W S S S S S  
WIND SPD 14 17 19 20 16 19 21 24 23 21 19 14 11 10 9 11 14 16 16  
WIND GUST 31 33 32 37 37 37 35 34 29  
CLOUDS B1 OV OV OV OV B1 B2 B2 B2 B2 B1 SC SC SC B2 B2 B1 B2 B2  
POP 12HR 40 100 40 0 0  
QPF 12HR 0.03 0.28 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O  
FLURRIES C C  
RAIN SHWRS S C D C C  
SNOWSHWRS C S  
WIND CHILL 26 31 36 36 29 16 4 -5 -7 -7 -3 8 14 14 10 12 17 19  
MIN CHILL 24 27 35 16 -5 -8 -8 10 10 14  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 16 30 20 38 32 45 27 40  
TEMP 40 34 25 17 28 26 22 24 35 35 34 34 43 38 32 28 39 37  
DEWPT 31 29 16 10 10 11 10 14 20 25 29 32 38 35 30 28 34 33  
PWIND DIR SW NW NW S SE S W NW E  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 10 10 0 5 5 5 0 5 10  
 
 
ILZ020-181000-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 31 49 12 27 22  
TEMP 36 41 45 48 45 39 29 23 14 12 12 15 22 25 24 23 25 29 31  
DEWPT 34 39 45 47 40 35 26 18 9 6 5 8 10 12 13 15 18 21 23  
RH 92 92100 96 82 85 88 81 80 76 73 73 59 57 62 71 74 72 72  
WIND DIR S S S S W W W W W W W NW W W S S S S S  
WIND SPD 14 17 19 20 17 19 24 25 24 23 19 14 11 9 8 10 13 16 16  
WIND GUST 31 34 32 37 37 39 35 33 29  
CLOUDS B1 OV OV OV OV B1 B2 B2 B2 B2 B1 SC SC SC B1 B2 B1 B2 B2  
POP 12HR 40 100 40 0 0  
QPF 12HR 0.03 0.29 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
FLURRIES C C  
RAIN SHWRS S C D C C  
SNOWSHWRS C C  
WIND CHILL 26 32 37 37 30 15 6 -5 -7 -7 -1 10 16 15 12 13 17 20  
MIN CHILL 24 28 36 15 -5 -7 -6 13 11 15  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 18 32 21 39 33 46 28 42  
TEMP 41 34 26 18 29 27 23 25 36 35 35 34 44 39 34 29 40 39  
DEWPT 31 29 17 10 11 12 12 14 20 25 30 33 39 36 31 28 35 35  
PWIND DIR SW NW NW E SE S W NW E  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 10 10 0 5 5 5 0 5 5  
 
 
ILZ013-181000-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 34 49 11 27 22  
TEMP 37 41 45 48 44 39 30 23 15 12 11 14 20 24 25 23 25 29 32  
DEWPT 34 39 44 47 41 35 28 18 10 7 5 7 8 11 12 14 17 20 23  
RH 89 92 96 96 89 85 92 81 80 80 76 73 59 57 57 68 71 69 69  
WIND DIR S S S S SW W W W W W W NW W W S S S S S  
WIND SPD 14 17 18 19 17 18 21 24 21 20 19 14 11 10 9 10 13 14 14  
WIND GUST 33 34 31 37 36 37 36 34 31 25 26  
CLOUDS B1 OV OV OV OV B1 B1 B2 B2 B2 B1 SC SC SC B1 B2 B1 B2 B2  
POP 12HR 40 100 40 5 0  
QPF 12HR 0.03 0.29 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
FLURRIES C C  
RAIN SHWRS S C D L C  
SNOWSHWRS C S  
WIND CHILL 28 32 37 36 30 17 7 -4 -7 -7 -2 8 13 16 12 14 18 21  
MIN CHILL 26 29 36 17 -4 -7 -7 10 12 15  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 18 30 21 38 33 45 29 40  
TEMP 40 36 27 19 28 27 23 25 35 36 35 35 43 39 34 30 39 38  
DEWPT 30 29 16 10 9 10 10 15 19 24 29 33 37 35 30 29 33 33  
PWIND DIR SW NW W SW S S W NW E  
WIND CHAR GN GN GN LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 10 10 0 5 5 5 0 5 10  
 
 
ILZ019-181000-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 33 50 11 28 23  
TEMP 37 42 47 49 44 40 29 23 15 12 11 16 22 27 25 24 27 31 32  
DEWPT 36 41 46 48 40 35 26 18 10 6 5 8 10 12 13 16 19 21 23  
RH 96 96 96 96 86 82 88 81 80 76 76 70 59 53 60 71 71 66 69  
WIND DIR S S S S W W W W W W W W W W S S S S S  
WIND SPD 14 17 20 21 17 19 25 26 24 21 18 13 10 9 8 11 14 16 16  
WIND GUST 32 35 32 37 39 40 36 33 28  
CLOUDS B1 OV OV OV OV B1 B1 B2 B2 B2 B1 SC FW SC B1 B1 B1 B2 B2  
POP 12HR 40 100 40 0 0  
QPF 12HR 0.03 0.29 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
FLURRIES C C  
RAIN SHWRS C D C C  
SNOWSHWRS C C  
WIND CHILL 29 35 39 36 31 15 6 -3 -7 -7 2 11 18 16 13 15 20 22  
MIN CHILL 25 31 36 15 -3 -8 -4 14 13 17  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 19 33 23 40 34 47 29 43  
TEMP 41 34 26 20 30 28 25 26 37 36 35 35 45 40 35 30 41 40  
DEWPT 30 29 18 11 12 13 14 15 21 26 31 33 39 36 32 29 35 36  
PWIND DIR SW NW NW E SE S W N SE  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B1 SC FW FW FW SC B2 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 5 10 0 5 5 5 0 5 10  
 
 
ILZ106-181000-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 50 12 27 22  
TEMP 37 42 46 49 45 40 30 25 16 13 12 16 22 26 25 23 26 30 32  
DEWPT 35 40 46 48 42 36 28 21 11 7 6 8 10 12 13 16 19 21 24  
RH 92 93100 96 89 85 92 84 80 76 76 70 59 55 60 74 74 69 72  
WIND DIR S S S S SW W W W W W W W W W S S S S S  
WIND SPD 14 17 19 21 18 18 21 24 23 20 18 14 11 9 8 10 13 14 16  
WIND GUST 27 33 35 32 36 36 37 35 33 29 25  
CLOUDS B1 OV OV OV OV B1 B2 B2 B2 B2 B1 SC SC SC B1 B2 B1 B2 B2  
POP 12HR 30 100 40 5 0  
QPF 12HR 0.02 0.29 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O O  
FLURRIES C C  
RAIN SHWRS C D L C  
SNOWSHWRS C C  
WIND CHILL 28 34 39 38 31 17 10 -2 -5 -5 1 11 17 16 13 15 19 21  
MIN CHILL 25 30 38 17 -2 -6 -4 13 13 16  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 44 19 32 22 40 34 47 29 42  
TEMP 42 36 27 20 30 28 24 26 37 36 35 36 45 40 35 30 41 40  
DEWPT 31 31 19 12 11 13 13 15 20 25 31 34 40 37 32 30 35 36  
PWIND DIR SW NW W S SE S SW NW E  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 10 10 0 5 5 5 0 5 10  
 
 
ILZ023-181000-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 30 50 13 27 22  
TEMP 37 42 46 48 46 41 32 26 19 14 13 17 22 26 24 23 25 29 31  
DEWPT 36 41 45 47 43 37 30 21 13 9 6 9 11 13 14 16 19 21 23  
RH 96 96 96 96 89 85 92 81 77 80 73 70 62 57 65 74 78 72 72  
WIND DIR S S S S SW W W W W W W W W W S S S S S  
WIND SPD 13 17 20 23 20 16 19 23 21 20 17 12 10 6 5 8 11 13 13  
WIND GUST 27 32 35 33 34 34 37 36 32 31 24 24 24  
CLOUDS B1 OV OV OV OV B1 B1 B2 B2 B2 B1 SC SC SC B1 B1 SC B1 B2  
POP 12HR 30 100 40 5 0  
QPF 12HR 0.01 0.31 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O O  
FLURRIES C C  
RAIN SHWRS C D L S  
SNOWSHWRS C C  
WIND CHILL 29 34 39 38 33 20 11 2 -4 -4 3 12 18 17 13 15 18 21  
MIN CHILL 24 31 38 20 1 -5 -2 14 13 16  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 19 33 21 39 32 47 29 43  
TEMP 41 35 27 20 30 28 23 25 36 35 34 35 44 40 34 30 41 40  
DEWPT 31 32 20 13 12 14 13 15 20 25 31 33 40 38 33 30 36 37  
PWIND DIR SW NW NW E SE S SW NW SE  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 5 10 0 5 5 5 0 5 10  
 
 
ILZ033-181000-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 51 13 27 22  
TEMP 39 43 46 48 47 42 34 27 20 16 13 18 23 26 24 22 25 29 30  
DEWPT 35 41 45 47 43 38 31 23 14 9 7 9 10 13 13 15 18 20 21  
RH 85 93 96 96 86 86 89 85 77 73 76 67 57 57 62 74 74 69 69  
WIND DIR S S S S SW W W W W W W W W W S S S S S  
WIND SPD 13 17 21 24 23 14 18 24 23 21 17 13 10 8 5 8 11 13 13  
WIND GUST 27 32 35 34 32 33 37 37 33 31 24  
CLOUDS B2 OV OV OV OV B2 B1 B2 B2 B2 B1 SC FW FW SC SC SC B1 B2  
POP 12HR 40 100 40 5 0  
QPF 12HR 0.02 0.34 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O O  
FLURRIES C C  
RAIN SHWRS C D D S  
SNOWSHWRS S C  
WIND CHILL 31 35 38 39 34 23 13 4 -2 -4 5 13 18 17 13 14 18 19  
MIN CHILL 26 32 39 22 3 -5 0 15 12 15  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 44 19 33 21 40 32 47 29 44  
TEMP 41 35 26 20 31 27 23 25 37 35 34 36 45 40 35 30 42 41  
DEWPT 30 31 19 12 12 13 12 14 20 25 29 33 40 37 33 30 37 37  
PWIND DIR SW NW NW E SE S SW NW SE  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1  
POP 12HR 5 10 0 0 5 10 5 5 10  
 
 
ILZ039-181000-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 51 13 28 22  
TEMP 40 44 47 49 46 42 35 27 19 16 14 19 24 28 24 22 25 29 30  
DEWPT 37 43 46 48 44 38 32 22 14 10 8 11 13 15 15 16 18 20 22  
RH 89 96 96 96 93 86 89 81 80 77 76 70 62 58 68 77 74 69 72  
WIND DIR S S S S SW W W W W W W W W W S S S S S  
WIND SPD 14 18 20 23 21 17 17 24 24 23 19 14 11 10 8 11 14 18 19  
WIND GUST 28 33 37 35 35 32 39 37 35 29  
CLOUDS OV OV OV OV OV B1 B1 B2 B2 B2 B1 SC FW FW SC SC SC B1 B2  
POP 12HR 30 100 40 0 0  
QPF 12HR 0.02 0.35 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O O O  
FLURRIES C C  
RAIN SHWRS S C D D S  
SNOWSHWRS S C  
WIND CHILL 32 35 39 38 33 24 12 1 -3 -4 5 13 18 15 11 13 16 18  
MIN CHILL 25 33 38 24 1 -5 0 15 11 14  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 45 19 35 21 40 32 48 29 46  
TEMP 42 36 26 20 32 28 23 25 37 35 34 36 46 41 36 31 44 43  
DEWPT 31 32 20 14 14 15 14 14 22 26 31 34 42 39 34 31 39 40  
PWIND DIR SW NW NW E SE S SW NW SE  
WIND CHAR BZ GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 5 10 0 0 5 5 5 10 10  
 
 
INZ001-181000-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 50 13 26 21  
TEMP 37 41 45 47 46 41 32 27 19 14 13 17 22 25 23 22 25 28 30  
DEWPT 34 39 44 46 43 39 30 23 14 8 6 8 9 11 12 15 17 20 22  
RH 89 92 96 96 89 92 92 85 80 76 73 67 57 55 62 74 71 71 72  
WIND DIR S S S S SW SW W W W W W W W W SW S S S S  
WIND SPD 13 17 20 21 23 13 18 23 23 20 18 14 11 9 6 10 13 16 16  
WIND GUST 27 33 35 35 29 34 36 36 32 31 25  
CLOUDS B1 OV OV OV OV B2 B2 B2 B2 B2 B2 SC SC SC B1 B1 B1 B1 B2  
POP 12HR 30 100 40 5 0  
QPF 12HR 0.01 0.30 0.02 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O  
RAIN SHWRS L D D S  
SNOWSHWRS S C S S  
WIND CHILL 28 32 38 38 34 21 13 2 -4 -5 2 10 15 15 11 13 16 19  
MIN CHILL 26 29 38 21 1 -6 -3 12 11 13  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 19 32 21 39 32 46 29 41  
TEMP 40 36 28 20 30 27 23 25 35 35 34 35 43 39 35 31 40 39  
DEWPT 30 31 19 12 11 13 13 14 18 23 29 32 38 36 32 30 34 35  
PWIND DIR SW W W S SE S SW NW SE  
WIND CHAR GN GN LT LT GN GN GN LT LT  
AVG CLOUDS B2 B2 SC FW FW FW SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1  
POP 12HR 5 10 0 5 5 5 5 5 10  
 
 
INZ010-181000-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 51 13 26 21  
TEMP 38 42 46 48 48 42 35 28 22 16 13 18 23 26 23 22 25 28 30  
DEWPT 35 41 45 47 44 39 32 24 16 10 7 10 11 13 13 15 18 19 21  
RH 89 96 96 96 86 89 89 85 77 77 76 70 59 57 65 74 74 68 69  
WIND DIR S S S S SW W W W W W W W W W SW S S S S  
WIND SPD 13 17 21 24 24 14 17 23 23 21 18 13 10 8 5 8 11 13 14  
WIND GUST 27 33 36 36 29 33 36 37 33 29  
CLOUDS B1 OV OV OV OV B2 B2 B2 B2 B2 B2 SC SC FW SC SC SC B1 B2  
POP 12HR 30 100 40 5 0  
QPF 12HR 0.01 0.36 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O O  
RAIN SHWRS C D D S S  
SNOWSHWRS S C S S  
WIND CHILL 30 34 38 35 24 14 5 -2 -4 4 12 17 16 13 14 17 19  
MIN CHILL 26 32 38 24 5 -5 -1 14 12 15  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 19 33 21 40 32 46 29 44  
TEMP 41 35 27 20 31 27 23 25 36 34 34 36 44 40 35 30 42 40  
DEWPT 30 31 20 13 12 12 12 14 19 24 30 33 40 38 33 30 36 37  
PWIND DIR SW NW NW NE SE S SW NW E  
WIND CHAR GN GN LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 FW FW FW SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1  
POP 12HR 5 10 0 0 5 10 5 5 10  
 
 
INZ011-181000-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
915 PM CST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 50 14 26 21  
TEMP 36 42 46 48 48 43 35 29 23 16 14 18 23 25 23 22 25 28 30  
DEWPT 35 40 44 46 45 40 33 25 17 10 7 10 11 13 13 15 17 20 21  
RH 96 93 93 93 89 89 92 85 77 77 73 70 59 60 65 74 71 71 69  
WIND DIR S S S S S W W W W W W W W W SW S S S S  
WIND SPD 12 17 20 23 24 14 17 23 23 21 19 16 11 9 5 8 11 13 16  
WIND GUST 33 36 37 29 33 36 36 33 31  
CLOUDS B1 OV OV OV OV B2 B2 B2 B2 B2 B2 SC SC FW B1 B1 SC B1 B2  
POP 12HR 30 100 40 5 0  
QPF 12HR 0.01 0.35 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O O  
RAIN SHWRS L D D S S  
SNOWSHWRS S C S S  
WIND CHILL 28 33 38 36 25 15 7 -2 -4 4 11 16 17 13 14 17 18  
MIN CHILL 26 30 38 25 7 -5 -1 13 13 15  
 
DATE 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 20 32 21 39 32 46 29 42  
TEMP 41 36 28 21 30 27 23 25 36 35 34 36 44 40 35 31 41 40  
DEWPT 30 32 21 13 12 13 13 14 19 24 30 33 40 38 33 31 36 37  
PWIND DIR SW NW W NE SE S SW NW E  
WIND CHAR GN GN LT LT LT GN GN LT LT  
AVG CLOUDS B2 B2 B1 FW FW FW SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1  
POP 12HR 5 10 0 0 5 5 5 5 10  
 
 
INZ019-181000-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
1015 PM EST WED DEC 17 2025  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT  
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 34 51 13 26 22  
TEMP 38 42 46 47 48 43 36 29 23 17 13 19 23 25 23 22 25 28 30  
DEWPT 35 40 44 46 45 40 33 25 18 10 8 10 12 13 14 16 18 20 21  
RH 89 93 93 96 89 89 89 85 81 73 80 67 62 60 68 77 74 71 69  
WIND DIR S S S S S W W W W W W W W W SW S S S S  
WIND SPD 12 17 20 23 24 14 17 21 23 21 19 14 11 8 5 9 12 14 16  
WIND GUST 27 33 36 37 28 33 35 37 34 32 25 26  
CLOUDS B2 OV OV OV OV B2 B2 B2 B2 B2 B2 SC FW FW SC SC SC B1 B1  
POP 12HR 40 100 40 5 0  
QPF 12HR 0.01 0.43 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
DRIZZLE O O O  
RAIN SHWRS L D D S S  
SNOWSHWRS S C S S  
WIND CHILL 30 34 38 39 36 26 15 7 -1 -4 4 11 17 16 12 14 17 19  
MIN CHILL 28 31 38 25 7 -5 -1 13 12 15  
 
DATE 12/20 SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25  
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 20 32 21 39 32 46 30 44  
TEMP 40 36 27 20 30 27 23 25 36 35 34 36 44 40 36 31 42 41  
DEWPT 30 32 22 14 13 14 13 14 20 24 30 33 41 38 34 31 38 38  
PWIND DIR SW NW NW NE SE S SW NW SE  
WIND CHAR GN GN LT LT LT GN GN LT LT  
AVG CLOUDS B2 B2 B1 FW FW FW SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1  
POP 12HR 5 10 0 0 5 5 5 5 10  
 
 
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