924  
FOUS53 KLOT 150236  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
836 PM CST SUN DEC 14 2025  
 
ILZ104-151000-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 3 24 17 37 31  
TEMP 5 3 4 7 13 20 24 22 21 18 17 18 24 33 37 35 35 36 34 32  
DEWPT -7 -6 -6 -2 2 9 14 16 17 15 14 16 20 25 29 30 33 33 32 31  
RH 57 65 62 66 61 62 65 77 84 88 88 92 84 72 72 82 92 89 92 96  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW S SW SW SW SW SW SW W W  
WIND SPD 6 9 11 17 18 17 13 8 4 3 3 4 9 12 13 13 12 10 8 6  
WIND GUST 21 31 28 24  
CLOUDS SC SC B2 B2 B2 B1 B1 B1 SC FW SC B1 SC SC SC B2 B2 B2 B1 B1  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -7-11-13-12 -5 5 12 14 14 11 15 24 28 25 26 28 26 26  
MIN CHILL -11 -13 -10 8 13 11 11 25 26 25  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 35 47 11 27 22 43 25 33  
TEMP 38 36 37 42 45 30 18 11 19 26 26 31 40 39 33 26 32 28  
DEWPT 31 31 36 42 39 23 9 3 4 8 14 21 27 31 29 22 21 21  
PWIND DIR SW S SW W SW S SW NW NW  
WIND CHAR LT GN BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B2 SC SC B1 B2 B2 B2 B2 B2 B2 SC SC  
POP 12HR 0 40 70 20 5 10 10 10 5  
RAIN SHWRS C L C  
SNOWSHWRS S  
 
 
ILZ003-151000-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -2 23 12 36 27  
TEMP 1 -2 1 6 13 20 23 20 17 14 14 16 22 32 35 33 34 34 31 30  
DEWPT -6 -9 -6 -1 4 11 16 16 15 12 12 14 20 27 30 30 32 32 30 28  
RH 72 71 72 72 67 67 74 84 92 92 92 92 92 81 82 89 92 92 96 92  
WIND DIR SW S S S SW SW W SW SW SW S S S SW SW SW SW W W W  
WIND SPD 6 8 12 17 17 17 12 6 3 1 2 4 8 12 14 13 12 10 8 5  
WIND GUST 27 28  
CLOUDS SC SC B1 B2 B1 B1 B1 B2 SC SC SC B1 B1 B1 B1 B2 B2 B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -11-17-16-13 -5 5 11 11 9 13 22 25 24 25 26 24 24  
MIN CHILL -17 -17 -11 8 10 9 9 24 24 23  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 37 32 44 6 26 19 41 19 31  
TEMP 35 34 35 41 39 25 14 6 18 22 24 28 39 36 29 20 29 25  
DEWPT 30 30 35 40 33 17 5 -1 3 8 13 20 27 29 25 17 17 17  
PWIND DIR SW S SW NW SW S SW NW NW  
WIND CHAR LT BZ BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC SC  
POP 12HR 0 40 60 5 5 10 10 10 5  
RAIN SHWRS C L S  
SNOWSHWRS S  
 
 
ILZ104-151000-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 4 25 18 37 31  
TEMP 5 4 4 7 13 21 25 23 23 20 20 20 25 34 37 35 36 36 35 33  
DEWPT -4 -5 -5 -3 1 8 14 16 17 16 16 17 20 25 29 31 32 33 33 31  
RH 65 65 65 63 58 56 62 74 77 84 84 88 81 69 72 85 85 89 92 92  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW S SW SW SW SW SW SW W W  
WIND SPD 6 8 11 16 18 18 13 8 6 5 5 6 10 13 16 14 13 12 10 8  
WIND GUST 29 28  
CLOUDS SC SC B1 B2 B2 B1 B1 B1 SC FW SC SC SC SC SC B1 B1 B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -8-10-12-12 -4 6 12 13 15 13 12 11 15 24 27 26 27 27 27 26  
MIN CHILL -10 -12 -10 9 13 11 12 26 26 26  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 35 48 13 28 23 43 27 34  
TEMP 38 36 38 42 46 32 21 13 19 26 26 30 41 39 35 28 33 30  
DEWPT 31 32 36 42 40 24 10 4 4 8 15 21 28 32 30 24 22 22  
PWIND DIR SW S SW W SW S SW W NW  
WIND CHAR GN GN BZ GN GN GN GN GN GN  
AVG CLOUDS SC B1 B2 OV B2 B2 B2 B1 SC B1 B2 B2 B2 B2 B2 B2 SC SC  
POP 12HR 0 30 70 20 5 10 10 10 5  
RAIN SHWRS C L C S  
SNOWSHWRS S  
 
 
ILZ021-151000-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -2 25 15 37 29  
TEMP 0 -2 1 4 12 21 25 22 21 18 17 18 25 34 36 34 35 36 33 31  
DEWPT -5 -6 -6 -2 3 10 17 18 18 16 15 15 22 29 32 32 33 34 33 30  
RH 79 82 72 75 66 62 71 84 88 92 92 88 88 82 85 92 92 92100 96  
WIND DIR SW SW S S SW SW SW SW SW SW S S S SW S SW SW SW W W  
WIND SPD 5 8 11 14 18 17 13 6 4 2 3 4 6 11 12 11 11 10 8 5  
WIND GUST 28 27  
CLOUDS FW SC B1 B1 B1 B1 B1 B1 B1 FW SC SC SC SC SC B1 B1 B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -11-16-16-14 -5 6 13 14 15 11 17 26 28 26 27 28 27 25  
MIN CHILL -16 -16 -12 9 13 11 12 26 26 25  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 39 33 48 11 27 22 44 25 35  
TEMP 37 35 37 43 45 31 19 11 22 25 26 29 42 39 33 26 34 29  
DEWPT 34 33 37 42 41 23 9 2 6 9 15 20 30 32 30 23 23 24  
PWIND DIR SW S SW NW W S SW NW NW  
WIND CHAR LT GN BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 SC SC B1 B2 B1 B2 B2 B2 B2 SC SC  
POP 12HR 0 40 70 10 5 10 10 10 5  
RAIN SHWRS C L C  
 
 
ILZ006-151000-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 3 23 15 37 30  
TEMP 5 3 3 7 13 20 23 20 20 17 17 18 25 33 36 35 35 36 34 32  
DEWPT -5 -6 -6 -2 3 9 15 15 16 15 14 16 21 27 30 31 32 33 32 30  
RH 62 65 65 66 63 62 71 81 84 92 88 92 84 78 79 85 89 89 92 92  
WIND DIR SW SW SW SW SW SW W W W W SW SW SW SW SW SW SW W W W  
WIND SPD 8 10 14 18 19 17 13 8 5 3 3 5 10 13 14 13 13 10 10 8  
WIND GUST 29 33 28 24  
CLOUDS SC SC B2 B2 B2 B1 B1 B1 FW SC B1 B1 B1 B1 B1 B2 B2 B2 B1 B1  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -8-13-15-13 -4 5 11 11 12 11 9 15 24 27 25 26 29 26 25  
MIN CHILL -13 -15 -11 8 11 9 10 25 25 25  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 39 34 46 9 27 21 41 23 31  
TEMP 37 35 37 40 43 29 18 10 18 25 26 30 40 37 31 24 30 26  
DEWPT 31 31 35 40 38 22 10 4 6 10 15 21 28 30 27 20 19 20  
PWIND DIR W S SW NW W S SW NW NW  
WIND CHAR LT GN BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B1 SC SC  
POP 12HR 0 30 70 20 5 20 10 10 10  
RAIN SHWRS C L C  
SNOW S  
SNOWSHWRS S S  
 
 
ILZ021-151000-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -10 26 16 37 28  
TEMP -10 -8 -5 0 11 20 26 22 20 17 17 18 25 34 36 34 34 34 32 30  
DEWPT -15-11 -8 -4 2 10 18 18 18 16 15 16 23 31 33 32 33 33 32 29  
RH 78 86 86 83 66 64 71 84 92 96 92 92 92 89 89 92 96 96100 96  
WIND DIR SW S S S SW SW SW SW SW SW SW S S SW S S SW SW W W  
WIND SPD 4 5 10 16 18 18 14 8 5 3 4 5 9 12 13 11 12 11 9 5  
WIND GUST 29 29  
CLOUDS FW FW SC SC B1 SC SC SC SC FW FW FW FW SC SC SC B1 B2 B2 SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS BS BS BS BS  
WIND CHILL -21-22-22-20 -7 4 14 13 12 11 10 10 16 25 27 25 25 26 24 24  
MIN CHILL -22 -23 -16 8 10 8 10 24 24 23  
COLD WEATHER Y Y Y  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 39 32 49 10 28 21 45 24 36  
TEMP 36 33 36 42 44 29 17 10 22 25 25 29 42 39 32 25 34 29  
DEWPT 35 32 36 42 41 23 8 2 7 10 15 20 32 34 30 24 26 25  
PWIND DIR SW S SW NW SW S SW NW N  
WIND CHAR LT BZ BZ GN GN GN GN LT LT  
AVG CLOUDS SC SC B1 OV B2 B2 B1 SC SC B1 B1 B1 B1 B2 B2 B1 SC SC  
POP 12HR 0 30 70 5 5 10 10 10 5  
RAIN SHWRS C L C  
 
 
INZ002-151000-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 1 22 14 35 30  
TEMP 3 1 1 3 9 18 22 20 19 17 17 17 23 32 35 33 33 34 34 32  
DEWPT -4 -4 -5 -5 -2 6 12 14 15 14 13 13 18 25 28 29 30 31 32 30  
RH 72 79 75 68 60 59 65 77 84 88 84 84 81 75 75 85 89 89 92 92  
WIND DIR SW SW SW S SW SW SW SW SW SW S S S S S S SW SW SW W  
WIND SPD 6 8 10 14 17 17 13 8 5 3 4 5 10 12 13 12 12 10 10 6  
WIND GUST 25 28 29 24  
CLOUDS SC SC B1 B1 B1 SC B1 SC SC FW SC SC SC SC SC B1 B1 B2 B2 B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -10-13-15-16 -9 2 9 10 12 11 10 8 13 23 25 23 24 26 26 25  
MIN CHILL -13 -16 -14 5 9 8 9 23 23 25  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 39 32 48 14 26 20 43 27 35  
TEMP 37 34 36 41 46 34 22 15 22 23 24 28 40 38 34 28 34 29  
DEWPT 32 31 34 41 43 25 13 6 7 8 14 18 28 32 31 26 25 23  
PWIND DIR SW S SW W W S SW W NW  
WIND CHAR LT GN BZ GN GN GN GN LT LT  
AVG CLOUDS SC SC B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 SC  
POP 12HR 0 30 80 20 5 10 20 20 10  
RAIN S S  
RAIN SHWRS C D C S  
SNOWSHWRS S S  
 
 
ILZ005-151000-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -2 22 12 35 27  
TEMP 1 -2 0 5 11 19 22 19 16 14 13 16 22 31 35 33 33 34 31 29  
DEWPT -6 -8 -7 -2 3 10 16 15 14 12 12 14 21 28 31 31 33 33 31 29  
RH 72 75 71 72 69 67 77 84 92 92 96 92 96 88 85 92100 96100100  
WIND DIR SW SW SW SW SW SW W SW SW SW SW S SW SW SW SW SW W W W  
WIND SPD 5 9 12 17 18 18 13 6 3 2 2 4 8 12 14 14 13 10 8 5  
WIND GUST 24 28 29 28  
CLOUDS SC SC B2 B2 B2 B1 B1 B2 SC SC SC B1 B1 B1 B1 B2 OV B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -10-18-18-15 -6 3 9 10 9 12 21 25 23 24 26 23 23  
MIN CHILL -18 -18 -13 6 9 9 9 22 22 23  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 37 31 44 6 24 18 40 19 30  
TEMP 35 32 34 39 40 25 13 6 15 23 23 28 38 35 29 20 28 23  
DEWPT 32 30 34 39 37 20 6 0 4 8 14 20 28 30 26 18 19 18  
PWIND DIR SW S SW NW SW S SW NW NW  
WIND CHAR LT GN BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B1 SC SC  
POP 12HR 0 40 70 10 10 20 10 10 10  
RAIN SHWRS C L C  
SNOW S  
SNOWSHWRS C  
 
 
ILZ008-151000-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -1 24 13 36 26  
TEMP -1 -1 2 6 13 20 24 21 18 15 14 17 23 32 35 34 34 34 31 29  
DEWPT -5 -6 -5 0 5 12 17 17 16 13 13 15 21 28 31 31 32 32 30 28  
RH 83 79 72 76 70 71 74 84 92 92 96 92 92 85 85 89 92 92 96 96  
WIND DIR SW S S S SW SW SW SW SW SW S S S SW SW SW SW W W W  
WIND SPD 6 9 12 16 17 17 11 5 2 1 2 3 6 11 12 12 10 8 6 4  
WIND GUST 27 28  
CLOUDS FW SC B1 B2 B1 B1 B1 B1 SC SC SC B1 B1 SC B1 B2 B2 B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -14-17-15-13 -4 6 13 13 11 14 24 27 25 26 27 25  
MIN CHILL -17 -17 -11 9 12 11 11 24 25 23  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 38 31 44 6 26 20 42 20 32  
TEMP 35 34 35 40 38 24 13 7 18 22 25 29 40 36 29 21 29 25  
DEWPT 31 30 35 40 33 17 5 -1 3 8 14 21 28 30 26 18 18 18  
PWIND DIR SW S SW NW SW S SW NW NW  
WIND CHAR LT GN BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC SC  
POP 12HR 0 40 60 5 5 10 10 10 5  
RAIN SHWRS C L C  
SNOWSHWRS C  
 
 
ILZ011-151000-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -3 23 14 35 27  
TEMP -1 -3 -1 4 11 19 23 19 17 14 14 16 22 32 35 33 33 33 31 29  
DEWPT -8 -9 -7 -2 3 11 16 16 15 13 12 14 20 28 31 31 33 33 31 29  
RH 71 75 75 75 69 70 74 88 92 96 92 92 92 85 85 92100100100100  
WIND DIR SW SW S S SW SW SW SW SW SW S S S SW SW SW SW W W W  
WIND SPD 5 9 12 18 18 18 13 6 3 2 2 4 8 12 13 13 12 10 8 5  
WIND GUST 28 29  
CLOUDS SC SC B1 B2 B1 B1 B1 B1 SC FW SC B1 B1 B1 SC B2 B2 B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -12-18-18-15 -7 3 10 11 11 9 13 22 26 23 24 26 24  
MIN CHILL -18 -19 -13 6 10 9 9 23 23 23  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 37 31 45 7 25 20 41 21 32  
TEMP 34 33 34 40 40 25 14 8 18 22 24 28 39 36 30 22 29 24  
DEWPT 32 31 34 40 36 20 6 0 4 8 14 20 28 30 27 19 19 19  
PWIND DIR SW S SW NW SW S SW NW NW  
WIND CHAR LT BZ BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC SC  
POP 12HR 0 40 70 10 5 10 10 10 5  
RAIN SHWRS C L C  
SNOWSHWRS C  
 
 
ILZ010-151000-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -3 25 14 36 26  
TEMP -3 -2 2 6 13 21 25 21 18 15 15 17 23 32 35 34 34 33 30 28  
DEWPT -5 -5 -4 0 6 13 19 18 17 14 14 16 22 29 33 32 33 33 30 28  
RH 91 87 75 76 73 71 78 88 96 96 96 96 96 88 92 92 96100100100  
WIND DIR SW S S S SW SW SW SW SW SW S S S SW SW SW SW W W W  
WIND SPD 5 8 12 14 16 16 11 5 2 1 2 3 6 10 10 10 10 6 5 3  
WIND GUST 26 28  
CLOUDS FW SC B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC B1 B1 B2 B2 SC SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -14-18-16-12 -3 8 15 14 11 15 24 27 25 26 27 24  
MIN CHILL -18 -18 -10 10 13 11 11 25 25 23  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 38 31 44 6 27 20 42 20 32  
TEMP 34 33 35 40 38 23 13 7 18 25 25 30 40 37 29 21 30 26  
DEWPT 32 32 35 40 34 17 6 0 5 9 15 22 29 31 27 19 19 20  
PWIND DIR SW S W NW SW S SW NW N  
WIND CHAR LT GN BZ GN LT GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 SC SC B1 B2 B1 B2 B2 B2 B1 SC SC  
POP 12HR 0 40 60 5 5 10 10 10 5  
RAIN SHWRS C L S  
SNOWSHWRS S  
 
 
ILZ012-151000-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -1 23 14 36 29  
TEMP 2 -1 1 4 12 20 23 21 19 15 14 16 22 32 35 34 34 34 32 30  
DEWPT -7 -8 -6 -3 3 10 16 17 16 14 13 15 21 28 32 31 33 33 32 30  
RH 65 71 72 72 66 64 74 84 88 96 96 96 96 85 89 89 96 96100100  
WIND DIR SW SW S S SW SW SW SW SW SW SW S S SW SW SW SW SW W W  
WIND SPD 6 8 11 17 18 18 13 8 3 2 3 4 9 12 14 14 13 11 9 6  
WIND GUST 27 29 28  
CLOUDS SC SC B2 B2 B2 B1 B1 B1 SC SC SC B1 SC SC SC B2 B2 B2 B1 B1  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -10-15-17-15 -6 4 11 12 13 8 12 23 26 24 24 26 24 23  
MIN CHILL -15 -17 -13 7 11 8 8 23 23 23  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 39 32 46 9 26 21 42 23 33  
TEMP 36 34 35 41 43 28 15 9 19 24 24 29 40 38 31 24 31 26  
DEWPT 32 32 35 41 39 22 7 2 4 8 14 20 29 31 28 21 21 21  
PWIND DIR SW S SW NW W S SW NW NW  
WIND CHAR LT BZ BZ BZ GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC SC  
POP 12HR 0 40 70 10 5 10 10 10 5  
RAIN SHWRS C L C  
SNOWSHWRS S  
 
 
ILZ020-151000-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -2 24 15 36 29  
TEMP 1 -2 0 4 12 20 24 21 19 16 15 16 23 33 36 33 34 35 32 29  
DEWPT -6 -7 -6 -2 3 10 17 17 17 15 14 15 21 29 32 31 32 33 32 29  
RH 72 79 75 75 66 64 74 84 92 96 96 96 92 85 85 92 92 92100100  
WIND DIR SW SW S S SW SW SW SW SW SW S S S SW S SW SW SW W W  
WIND SPD 5 6 10 16 18 18 13 6 4 2 3 4 6 11 12 12 12 10 8 5  
WIND GUST 26 28  
CLOUDS SC SC B1 B1 B1 B1 B1 B1 SC FW SC SC SC SC SC B1 B2 B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -10-15-16-14 -6 5 12 12 12 9 14 24 27 24 25 27 24 23  
MIN CHILL -15 -16 -12 8 11 9 10 24 23 23  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 39 32 47 10 27 21 43 24 34  
TEMP 36 33 36 41 43 28 17 10 19 25 26 29 41 38 31 24 32 27  
DEWPT 33 32 36 41 40 21 8 2 5 8 14 20 29 31 29 22 22 22  
PWIND DIR SW S SW NW W S SW NW NW  
WIND CHAR LT BZ BZ BZ GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B2 SC SC  
POP 12HR 0 40 70 10 5 10 10 10 5  
RAIN SHWRS C L C  
 
 
ILZ013-151000-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 1 24 16 36 30  
TEMP 4 2 2 5 12 20 24 22 21 18 17 18 24 33 36 34 34 36 33 31  
DEWPT -6 -6 -6 -3 2 9 15 17 17 15 14 16 20 26 30 31 33 33 33 31  
RH 62 68 68 69 63 62 68 81 84 88 88 92 84 75 79 89 96 89100100  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW S S SW SW SW SW SW W W  
WIND SPD 6 8 11 17 18 17 13 8 5 3 3 5 9 12 13 14 13 11 9 6  
WIND GUST 27 31 28 25 24  
CLOUDS SC SC B1 B2 B2 B1 B1 B1 SC FW SC B1 SC SC SC B1 B2 B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -9-13-15-13 -6 5 11 13 13 12 11 10 14 24 27 24 25 27 26 25  
MIN CHILL -13 -15 -12 7 11 10 10 24 24 24  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 39 34 47 11 27 22 43 25 33  
TEMP 37 35 36 42 44 29 17 11 19 26 26 30 40 38 33 26 32 28  
DEWPT 31 32 36 42 40 22 8 3 4 8 14 21 28 31 29 22 21 21  
PWIND DIR SW S SW W W S SW NW NW  
WIND CHAR LT GN BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC SC  
POP 12HR 0 40 70 20 5 10 10 10 5  
RAIN SHWRS C L C  
SNOWSHWRS S S  
 
 
ILZ019-151000-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -4 25 16 36 29  
TEMP -2 -4 -2 3 12 20 25 23 20 18 17 18 24 33 36 34 35 35 33 30  
DEWPT -7 -9 -7 -2 3 11 18 18 17 15 15 15 21 29 31 31 32 33 32 29  
RH 79 78 79 79 66 67 74 81 88 88 92 88 88 85 82 89 89 92 96 96  
WIND DIR SW SW S S SW SW SW SW SW SW S S S SW SW SW SW SW W W  
WIND SPD 4 6 10 16 17 17 12 8 4 3 3 4 8 11 11 11 11 10 8 5  
WIND GUST 28 27  
CLOUDS FW FW SC B1 B1 B1 B1 SC B1 SC SC SC SC SC SC B1 B1 B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS BS BS  
WIND CHILL -12-17-19-16 -6 5 14 14 14 11 11 15 25 28 26 26 28 26 24  
MIN CHILL -17 -19 -14 9 12 10 11 25 25 24  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 38 32 47 11 27 23 44 25 34  
TEMP 36 33 36 42 42 27 16 11 19 26 26 30 41 39 32 25 32 28  
DEWPT 32 31 36 42 37 20 7 1 4 8 14 20 29 31 28 22 22 22  
PWIND DIR SW S W NW SW S SW NW N  
WIND CHAR LT BZ BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 SC SC B1 B2 B1 B2 B2 B2 B1 SC SC  
POP 12HR 0 40 70 10 5 10 10 10 5  
RAIN SHWRS C L C  
SNOWSHWRS S  
 
 
ILZ106-151000-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 1 24 16 37 30  
TEMP 4 1 2 5 12 20 24 22 21 18 17 18 24 34 37 35 35 35 33 31  
DEWPT -4 -5 -6 -3 3 10 16 18 18 16 16 16 22 28 32 32 33 34 33 31  
RH 68 75 68 69 66 64 71 84 88 92 96 92 92 78 82 89 92 96100100  
WIND DIR SW SW S S SW SW SW SW SW SW S S S SW S SW SW SW W W  
WIND SPD 5 8 11 16 18 17 13 6 4 2 3 4 8 11 12 12 11 10 8 5  
WIND GUST 28 28  
CLOUDS FW SC B1 B1 B1 B1 B1 B1 SC FW SC SC SC SC SC B1 B1 B2 B1 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -6-13-14-13 -5 6 12 13 15 11 16 26 28 26 26 28 26 25  
MIN CHILL -13 -14 -12 8 13 10 11 26 26 25  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 33 48 12 27 22 44 26 35  
TEMP 38 35 36 42 45 30 18 12 20 26 26 30 41 39 33 26 33 29  
DEWPT 33 33 36 42 42 24 10 3 5 9 15 21 30 33 30 24 23 23  
PWIND DIR SW S SW NW W S SW NW NW  
WIND CHAR LT GN BZ GN GN GN GN LT LT  
AVG CLOUDS SC B1 B2 OV B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B2 SC SC  
POP 12HR 0 40 70 10 5 10 10 10 5  
RAIN SHWRS C L C  
SNOWSHWRS S  
 
 
ILZ023-151000-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -5 24 15 36 29  
TEMP -4 -4 -3 0 10 18 24 21 20 17 16 17 24 34 35 33 33 34 33 31  
DEWPT -8 -9 -7 -6 -1 7 15 17 17 15 14 15 21 28 31 31 32 33 33 30  
RH 82 78 82 75 60 61 68 84 88 92 92 92 88 78 85 92 96 96100 96  
WIND DIR SW SW S S SW SW SW SW SW SW S S S S S S SW SW W W  
WIND SPD 5 6 9 13 17 17 13 6 3 2 2 3 5 9 10 9 9 8 5 4  
WIND GUST 28 28  
CLOUDS FW FW SC SC B1 B1 B1 B1 SC FW FW FW SC SC SC SC B1 B2 B2 SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS BS BS BS BS  
WIND CHILL -15-18-19-19 -8 3 12 14 14 17 26 28 26 26 27 27  
MIN CHILL -18 -19 -16 7 12 11 12 25 25 26  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 38 32 49 11 26 21 44 26 35  
TEMP 37 33 35 42 46 31 18 12 21 24 25 29 41 39 34 27 34 28  
DEWPT 34 32 35 42 43 25 10 3 6 9 15 20 30 33 31 25 25 24  
PWIND DIR SW S SW W W S SW W NW  
WIND CHAR LT GN BZ GN LT GN GN LT LT  
AVG CLOUDS SC SC B2 OV B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B2 SC SC  
POP 12HR 0 30 70 10 0 10 10 20 5  
RAIN S  
RAIN SHWRS C L C  
SNOWSHWRS S  
 
 
ILZ033-151000-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -8 24 15 35 28  
TEMP -6 -8 -6 -2 9 17 24 21 18 17 16 17 24 32 34 32 32 33 32 30  
DEWPT -9-11 -9 -8 -3 6 14 16 14 13 13 13 19 27 29 29 29 31 31 30  
RH 86 86 86 75 57 61 65 81 84 84 88 84 81 81 82 88 88 92 96100  
WIND DIR SW SW S S S SW SW SW SW SW S S S S S S SW SW SW W  
WIND SPD 4 6 9 12 18 18 13 6 4 3 3 4 5 10 10 9 9 8 6 4  
WIND GUST 23 28 28 24  
CLOUDS FW FW SC SC SC SC SC B1 SC FW FW FW FW SC SC SC SC B2 B2 SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS BS BS BS BS  
WIND CHILL -18-22-22-21-10 1 12 12 11 11 16 24 27 24 24 26 26  
MIN CHILL -23 -23 -18 5 11 10 11 24 23 25  
COLD WEATHER Y Y Y  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 37 31 49 11 26 21 45 26 36  
TEMP 35 32 34 42 46 31 18 12 21 23 24 29 41 39 34 27 35 29  
DEWPT 33 31 34 42 43 24 10 3 5 8 13 18 29 33 31 25 25 24  
PWIND DIR SW S SW W W S SW W N  
WIND CHAR LT GN BZ GN LT GN GN LT LT  
AVG CLOUDS SC SC B1 OV B2 B2 B1 SC SC B1 B1 B1 B1 B2 B2 B1 B1 SC  
POP 12HR 0 30 80 10 5 10 10 20 5  
RAIN S  
RAIN SHWRS C D C  
 
 
ILZ039-151000-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -12 24 16 36 28  
TEMP -11-12 -8 -3 9 17 24 21 18 17 17 17 24 32 35 32 32 33 32 30  
DEWPT -12-12-11 -8 -2 7 16 16 15 13 13 14 21 28 31 29 30 31 32 30  
RH 95100 86 78 60 64 71 81 88 84 84 88 88 85 85 88 92 92100100  
WIND DIR SW S S S S SW SW SW SW SW SW S S S S S SW SW SW W  
WIND SPD 4 5 9 14 18 19 14 9 5 5 5 5 9 11 12 10 11 10 9 5  
WIND GUST 29 29 25  
CLOUDS FW FW FW SC SC SC SC B1 SC FW FW FW FW FW FW SC B1 B2 B2 SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS BS BS BS BS  
WIND CHILL -22-25-26-23-10 1 12 12 9 8 8 9 15 23 26 24 23 24 24 24  
MIN CHILL -25 -27 -20 6 8 7 10 23 22 23  
COLD WEATHER Y Y Y  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 38 31 50 11 27 21 45 26 37  
TEMP 35 33 34 42 46 31 17 11 22 24 24 29 42 40 34 27 35 29  
DEWPT 34 32 34 42 43 24 9 2 6 9 14 19 31 34 32 26 27 25  
PWIND DIR SW S SW W W S S W N  
WIND CHAR LT GN BZ GN GN GN GN GN LT  
AVG CLOUDS SC SC B1 OV B2 B1 B1 SC SC B1 B1 B1 B1 B2 B2 B1 B1 SC  
POP 12HR 0 30 70 10 0 10 10 20 5  
RAIN S  
RAIN SHWRS C L C  
SNOWSHWRS S  
 
 
INZ001-151000-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 0 23 15 36 30  
TEMP 4 1 1 3 10 19 23 21 19 17 16 17 24 33 35 33 33 34 33 31  
DEWPT -2 -4 -5 -5 -1 7 13 15 16 15 14 14 19 26 29 30 30 32 33 31  
RH 75 79 75 68 60 59 65 77 88 92 92 88 81 75 78 89 89 92100100  
WIND DIR SW SW SW S SW SW SW SW SW SW S S S S S S SW SW SW W  
WIND SPD 6 8 10 14 17 17 13 8 5 3 4 5 9 11 13 13 13 11 9 6  
WIND GUST 29 29 24  
CLOUDS SC SC B1 B1 B1 B1 B1 SC SC FW SC SC SC SC SC B1 B1 B2 B2 B1  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -7-12-15-15 -8 4 11 11 12 11 9 9 14 24 26 23 23 26 25 25  
MIN CHILL -13 -16 -14 7 10 8 9 23 22 24  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 39 32 49 13 26 21 43 27 35  
TEMP 37 34 36 42 46 32 18 13 21 23 25 29 40 39 34 28 34 28  
DEWPT 33 32 35 42 43 25 11 4 5 8 13 19 28 32 30 25 25 23  
PWIND DIR SW S SW W W S SW W NW  
WIND CHAR LT GN BZ GN GN GN GN LT LT  
AVG CLOUDS SC SC B2 OV B2 B2 B1 B1 SC SC B2 B2 B2 B2 B2 B2 SC SC  
POP 12HR 0 30 80 20 5 10 10 20 5  
RAIN S  
RAIN SHWRS C D C  
SNOWSHWRS S S  
 
 
INZ010-151000-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -8 23 15 35 29  
TEMP -6 -7 -6 -2 8 16 23 19 18 17 16 17 24 32 34 31 31 33 32 31  
DEWPT -8 -9 -7 -7 -4 5 14 15 14 13 12 13 19 26 29 28 29 31 31 30  
RH 91 91 95 79 57 61 68 84 84 84 84 84 81 78 82 88 92 92 96 96  
WIND DIR SW SW S S S SW SW SW SW SW S S S S S S SW SW SW W  
WIND SPD 5 6 8 12 18 19 14 6 4 3 3 4 6 10 10 10 10 9 6 5  
WIND GUST 29 29  
CLOUDS SC FW SC SC SC SC SC B1 SC FW FW FW FW SC SC SC SC B1 B2 SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS BS BS BS BS  
WIND CHILL -18-21-22-21-11 0 10 11 11 11 10 10 16 24 26 23 22 25 25 25  
MIN CHILL -22 -23 -18 4 10 9 11 23 22 25  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 37 31 49 12 25 20 44 26 36  
TEMP 36 32 34 42 47 30 18 12 21 23 24 28 42 39 34 27 34 28  
DEWPT 33 31 34 42 44 25 11 3 6 8 13 18 29 32 32 25 26 24  
PWIND DIR SW S SW W W S SW W N  
WIND CHAR LT GN BZ GN LT GN GN LT LT  
AVG CLOUDS SC SC B1 OV B2 B2 B1 SC SC B1 B2 B1 B1 B2 B2 B1 B1 SC  
POP 12HR 0 30 80 10 5 10 10 20 5  
RAIN S  
RAIN SHWRS C D C  
SNOWSHWRS S  
 
 
INZ011-151000-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
836 PM CST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -5 22 15 35 29  
TEMP -2 -5 -4 -1 8 16 22 20 19 17 16 17 24 33 34 32 32 34 33 32  
DEWPT -8 -7 -6 -7 -4 5 14 15 15 14 13 13 20 26 29 29 30 31 32 31  
RH 75 91 91 75 57 61 71 81 84 88 88 84 84 75 82 88 92 89 96 96  
WIND DIR SW SW SW S S SW SW SW SW SW S S S S S S SW SW SW W  
WIND SPD 5 6 8 12 17 18 13 8 4 3 4 5 8 10 11 10 10 10 9 5  
WIND GUST 28 28 24  
CLOUDS SC FW SC SC SC SC SC B1 SC FW FW FW SC FW SC SC SC B2 B2 B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS BS BS BS BS  
WIND CHILL -14-18-19-19-10 0 10 10 12 11 10 9 14 24 26 23 23 26 26 26  
MIN CHILL -18 -20 -17 4 9 8 10 23 22 25  
 
DATE 12/17/25 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 38 32 49 13 25 21 44 27 36  
TEMP 37 33 35 42 47 32 19 13 21 22 24 28 41 39 34 28 35 28  
DEWPT 34 32 35 42 45 27 12 3 6 9 14 18 29 33 32 26 26 24  
PWIND DIR SW S SW W W S SW W NW  
WIND CHAR LT GN BZ GN LT GN GN LT LT  
AVG CLOUDS SC SC B1 OV B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 0 20 80 10 0 10 10 20 5  
RAIN S  
RAIN SHWRS S D C  
SNOWSHWRS S  
 
 
INZ019-151000-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
936 PM EST SUN DEC 14 2025  
 
DATE 12/14/25 MON 12/15/25 TUE 12/16/25 WED  
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 -9 22 16 34 29  
TEMP -7 -8 -7 -3 7 15 22 20 18 17 16 17 23 30 33 31 31 32 32 31  
DEWPT -10-10 -7 -9 -5 4 13 15 13 13 12 13 19 26 29 28 28 31 31 31  
RH 86 91100 75 57 61 68 81 80 84 84 84 84 85 85 88 88 96 96100  
WIND DIR SW SW SW S S SW SW SW SW SW SW S S S S S SW SW SW SW  
WIND SPD 5 6 9 12 18 19 14 8 5 4 5 5 8 10 10 10 10 10 9 5  
WIND GUST 29 31 25  
CLOUDS SC FW SC SC SC SC SC B1 SC SC FW FW FW FW SC SC SC B1 B2 B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS BS BS BS BS  
WIND CHILL -19-23-23-22-12 -2 9 11 10 10 8 8 14 22 25 22 22 24 24 25  
MIN CHILL -23 -24 -20 3 9 7 9 21 21 24  
COLD WEATHER Y Y Y  
 
DATE 12/17 THU 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN 12/21/25  
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 36 32 49 12 25 21 44 27 36  
TEMP 35 33 35 43 47 31 18 13 21 22 24 28 41 39 35 28 35 29  
DEWPT 34 32 35 42 45 27 11 4 7 9 14 19 30 33 32 26 27 25  
PWIND DIR SW S SW W W S SW W N  
WIND CHAR LT GN BZ GN LT GN GN LT LT  
AVG CLOUDS SC SC B1 OV B2 B1 B1 B1 SC SC B1 B1 B1 B2 B2 B2 B1 SC  
POP 12HR 0 30 80 10 0 10 10 20 5  
RAIN S  
RAIN SHWRS C D C  
SNOWSHWRS S  
 
 
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