145  
FOUS53 KLOT 161806  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1206 PM CST TUE DEC 16 2025  
 
ILZ104-171000-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 35 33 46 14  
TEMP 36 33 34 36 34 31 31 34 35 34 33 36 39 41 45 45 39 34 28 22 19 15  
DEWPT 27 27 30 31 30 28 30 30 30 30 31 34 37 41 43 42 35 29 22 16 12 9  
RH 69 78 85 82 85 88 96 85 82 85 92 92 92100 93 89 85 82 78 77 74 77  
WIND DIR SW SW SW SW W W NW W S S S S S S S SW W W W W W W  
WIND SPD 16 14 16 13 12 9 6 4 6 10 13 17 18 18 17 14 16 16 17 16 14 12  
WIND GUST 28 27 25 27 27 29 27  
CLOUDS FW SC OV OV B1 SC B1 SC SC B1 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 10 0 50 80 40  
QPF 12HR 0 0 0.04 0.26 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
SNOWSHWRS C C S S  
WIND CHILL 27 24 24 28 25 23 25 28 26 24 26 30 32 37 37 29 23 14 8 3 1  
MIN CHILL 24 24 23 22 26 24 27 34 23 8 1  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 24 41 22 33 24 36 29 42  
TEMP 22 24 27 33 40 36 31 23 30 30 28 25 34 34 31 31 40 39  
DEWPT 6 9 16 22 28 29 25 19 19 19 19 19 21 23 24 26 32 34  
PWIND DIR W S SW W NW NW S S SW  
WIND CHAR GN GN GN LT LT LT LT LT GN  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 5 10 10 5 5 10 5 10 5  
 

 
ILZ003-171000-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 26 34 31 41 9  
TEMP 33 30 32 32 31 28 27 33 34 32 31 34 38 39 41 40 37 29 22 18 14 11  
DEWPT 28 26 28 29 27 25 27 29 30 28 31 34 37 39 41 36 31 23 16 11 8 6  
RH 82 85 85 88 85 88100 85 85 85100100 96100100 85 79 78 77 73 76 80  
WIND DIR S S SW W W W W SW S S S S S S SW W W W W W NW NW  
WIND SPD 14 12 12 10 10 6 4 3 6 10 16 19 19 18 16 17 20 20 21 19 16 11  
CLOUDS SC B1 OV OV B1 SC B1 SC B1 B1 B2 B2 OV OV B2 B2 B1 B2 B2 B2 B1 SC  
POP 12HR 10 0 60 70 20  
QPF 12HR 0 0 0.07 0.21 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN L L L L C S  
SNOW C  
SNOWSHWRS S S  
WIND CHILL 23 20 23 24 22 21 21 28 23 20 23 28 30 33 30 25 15 6 3 -2 -3  
MIN CHILL 20 21 21 20 23 20 25 30 15 3 -4  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 25 21 40 17 30 19 34 26 41  
TEMP 19 22 26 29 38 34 26 18 27 27 24 22 32 31 28 30 39 36  
DEWPT 5 10 16 22 28 28 21 16 17 17 17 16 19 21 22 25 32 32  
PWIND DIR W S SW W NW E SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT GN  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 5 5 5 5 10 5 5 0  
 

 
ILZ104-171000-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 36 33 47 15  
TEMP 37 35 36 37 35 32 32 35 36 34 34 36 39 41 45 46 40 35 29 24 20 16  
DEWPT 27 27 30 31 31 30 30 30 30 31 32 35 38 41 43 43 35 30 23 16 13 10  
RH 67 72 79 79 85 92 92 82 79 89 92 96 96100 93 89 82 82 78 71 74 77  
WIND DIR SW SW SW SW W W W W S S S S S S S SW W W W W W W  
WIND SPD 16 14 16 13 12 9 6 4 6 10 13 16 18 18 17 14 16 14 17 16 14 12  
WIND GUST 26 28 28 27 25 26 26 27 26  
CLOUDS FW SC B2 OV B2 SC SC SC SC B1 B2 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1  
POP 12HR 10 0 40 90 40  
QPF 12HR 0 0 0.02 0.27 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
SNOWSHWRS C C S S  
WIND CHILL 27 25 26 28 26 24 25 29 26 24 27 30 33 38 38 31 24 16 9 5 2  
MIN CHILL 25 25 24 24 26 24 28 34 24 9 2  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 24 42 24 33 25 36 30 43  
TEMP 22 24 28 30 41 38 33 25 31 31 30 27 35 35 32 32 41 40  
DEWPT 7 10 17 22 28 30 26 21 19 20 20 20 22 24 25 27 33 34  
PWIND DIR W S SW W NW NW SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT GN  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 5 5 10 5 5 10 5 10 5  
 

 
ILZ021-171000-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 36 32 47 13  
TEMP 35 31 31 33 32 29 30 35 36 33 32 36 40 42 46 45 39 32 26 22 18 15  
DEWPT 29 28 28 30 29 26 30 33 34 32 32 36 39 42 45 43 36 28 20 15 11 8  
RH 78 88 88 89 88 88100 92 92 96100100 96100 96 93 89 85 78 74 73 73  
WIND DIR SW S SW SW W W W NW S SE S S S S S SW W W W W W W  
WIND SPD 12 10 11 11 10 5 5 3 5 9 12 16 18 19 17 16 18 18 20 19 17 13  
WIND GUST 28 29 27 28 29 32 29  
CLOUDS FW FW B2 OV B2 SC B1 SC B1 B1 B2 B2 OV OV B2 B2 B2 B1 B2 B2 B1 SC  
POP 12HR 10 0 50 80 30  
QPF 12HR 0 0 0.04 0.26 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
SNOWSHWRS C C S S  
WIND CHILL 27 22 22 24 24 23 26 23 26 30 34 38 37 28 20 11 7 2 0  
MIN CHILL 22 21 23 22 26 23 28 35 20 7 0  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 27 24 43 22 34 23 37 29 44  
TEMP 23 25 28 31 42 36 31 24 32 30 28 26 36 34 31 32 43 40  
DEWPT 9 12 18 23 30 31 27 20 21 21 20 18 24 25 25 26 37 37  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC SC B2 B2 B2 B1 B2 B2 B2 B2  
POP 12HR 0 5 5 5 5 10 5 5 0  
 

 
ILZ006-171000-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 35 33 44 12  
TEMP 35 33 36 36 34 30 30 33 35 33 33 36 38 39 43 43 38 32 26 22 17 14  
DEWPT 27 27 29 30 29 27 29 29 30 30 31 34 37 39 42 40 34 28 22 16 12 9  
RH 72 78 75 79 82 88 96 85 82 89 92 92 96100 96 89 85 85 85 77 80 80  
WIND DIR SW SW SW SW W W W W S S S S S S S SW W W W W W NW  
WIND SPD 17 18 18 14 11 9 8 5 6 10 13 16 17 17 17 13 14 16 17 16 14 12  
WIND GUST 27 27 28 24 26 27 29 27 25  
CLOUDS SC B1 OV B2 B1 SC SC SC SC B1 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 10 0 50 80 40  
QPF 12HR 0 0 0.03 0.22 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
SNOWSHWRS C C  
WIND CHILL 25 22 25 27 25 22 23 28 25 23 26 29 30 35 35 27 20 13 7 2 -1  
MIN CHILL 22 23 22 21 25 23 27 32 20 7 -1  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 22 40 19 31 21 34 28 40  
TEMP 20 22 26 30 38 34 31 21 29 27 27 23 33 31 30 31 39 37  
DEWPT 8 11 16 22 28 29 23 18 19 19 18 18 21 23 24 25 32 32  
PWIND DIR W S SW W NW NW S S SW  
WIND CHAR GN GN GN LT LT LT LT LT GN  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC SC B1 B2 B1 B2 B2 B2 B2 B2  
POP 12HR 5 10 10 5 5 10 5 10 5  
 

 
ILZ021-171000-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 37 32 48 12  
TEMP 36 30 32 33 32 29 30 36 36 32 33 36 40 42 46 45 39 31 24 20 16 14  
DEWPT 29 28 28 31 30 26 30 34 35 31 31 35 40 42 46 44 36 28 20 13 10 8  
RH 75 92 85 92 92 88100 92 96 96 92 96100100100 96 89 88 84 74 77 76  
WIND DIR S S SW SW W W NW NW SE SE S S S S S SW W W W W W W  
WIND SPD 13 11 13 12 9 6 4 2 5 9 14 18 21 21 19 18 21 20 23 23 19 14  
CLOUDS FW SC B2 OV B2 SC SC SC SC B1 B1 B2 OV OV B2 B2 B1 B2 B2 B2 B1 SC  
POP 12HR 10 0 50 80 20  
QPF 12HR 0 0 0.03 0.27 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
SNOWSHWRS S S  
WIND CHILL 27 21 22 23 24 22 24 23 26 30 33 39 37 28 19 9 4 0 -2  
MIN CHILL 20 21 22 21 24 23 27 35 19 4 -2  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 28 24 44 23 34 23 38 28 45  
TEMP 22 24 28 31 42 36 31 24 33 30 27 25 36 34 29 32 44 42  
DEWPT 10 13 18 22 32 32 28 21 23 23 20 19 26 26 25 28 39 39  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN GN LT LT LT LT GN  
AVG CLOUDS SC SC B1 B1 B1 B2 B1 SC SC B1 B1 B1 B2 B1 B1 B2 B2 B2  
POP 12HR 0 0 5 5 5 10 5 5 0  
 

 
INZ002-171000-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 36 32 46 16  
TEMP 34 30 30 33 33 31 32 36 35 33 32 35 38 41 44 45 41 35 30 24 20 18  
DEWPT 27 26 25 29 30 27 31 32 31 30 32 34 37 40 43 44 38 31 25 18 15 12  
RH 75 85 81 85 89 85 96 85 85 89100 96 96 96 96 96 89 85 81 77 81 77  
WIND DIR S S SW SW W W W W S S S S S S S S W W W W W W  
WIND SPD 13 13 13 12 10 8 5 4 6 9 12 14 17 18 17 14 14 13 16 17 16 13  
WIND GUST 25 28 28 29 26 26 24  
CLOUDS FW FW B1 OV B2 SC SC SC SC B1 B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 B1  
POP 12HR 10 0 30 90 40  
QPF 12HR 0 0 0 0.35 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D L L  
RAIN SHWRS C  
SNOW C  
SNOWSHWRS C C S S  
WIND CHILL 25 19 20 24 25 23 25 30 29 25 23 25 28 32 37 38 32 25 17 10 5 3  
MIN CHILL 19 19 23 23 25 23 26 33 25 10 3  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 25 23 41 25 33 24 36 28 42  
TEMP 22 23 26 28 40 36 32 26 32 30 28 26 35 33 30 31 40 39  
DEWPT 9 10 15 20 27 30 28 23 23 23 22 20 24 25 24 26 33 35  
PWIND DIR W S SW W NW S SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT GN  
AVG CLOUDS B1 SC B1 B2 B2 B2 B1 SC SC SC B1 B2 B1 B1 B2 B2 B2 B2  
POP 12HR 5 5 10 10 10 10 5 5 5  
 

 
ILZ005-171000-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 26 33 30 43 9  
TEMP 34 31 33 33 31 28 27 32 33 31 31 34 37 39 42 40 36 30 23 19 14 11  
DEWPT 28 27 29 30 29 25 27 30 30 28 30 34 37 39 41 39 33 26 19 14 9 7  
RH 78 85 85 89 92 88100 92 89 88 96100100100 96 96 89 85 84 80 80 83  
WIND DIR SW SW SW W W W W W S S S S S S SW SW W W W W NW NW  
WIND SPD 16 16 16 12 10 6 5 4 6 10 14 18 18 18 17 14 18 19 20 18 16 12  
WIND GUST 28 29 29 31 28  
CLOUDS SC B1 OV B2 B1 SC B1 SC SC B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 10 0 60 80 30  
QPF 12HR 0 0 0.05 0.23 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN L L D D C C  
SNOW C  
SNOWSHWRS C C  
WIND CHILL 24 19 22 23 23 20 21 26 22 20 23 27 29 33 31 25 16 7 4 -2 -4  
MIN CHILL 19 20 20 19 22 20 24 31 16 4 -4  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 23 21 39 16 29 18 33 26 40  
TEMP 18 20 25 30 38 32 26 18 27 26 23 20 31 29 27 29 38 36  
DEWPT 7 10 15 22 29 28 22 16 19 18 17 17 21 21 23 24 33 33  
PWIND DIR W S SW W NW NW SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 5 10 10 5 10 10 5 10 5  
 

 
ILZ008-171000-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 26 35 31 42 9  
TEMP 33 30 31 31 30 28 28 33 34 32 31 35 38 40 42 40 36 28 21 18 14 12  
DEWPT 29 27 29 29 27 25 28 30 31 29 31 35 37 40 41 36 31 23 15 11 8 6  
RH 85 88 92 92 88 88100 89 89 88100100 96100 96 85 82 81 77 73 76 76  
WIND DIR SW SW SW W W W NW SW S S S S S S SW W W W W W NW NW  
WIND SPD 13 12 12 11 9 5 4 3 6 10 13 17 17 16 16 16 19 19 20 18 14 11  
CLOUDS SC B1 OV OV B1 SC SC SC SC B2 B2 B2 OV OV B2 B2 B1 B2 B2 B1 B1 SC  
POP 12HR 5 0 60 70 20  
QPF 12HR 0 0 0.08 0.21 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN L L L L S S  
SNOW S  
SNOWSHWRS S S  
WIND CHILL 23 20 22 22 22 22 28 24 21 25 29 32 34 31 26 14 6 3 -1 -2  
MIN CHILL 19 21 22 20 24 21 26 31 14 3 -2  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 21 41 17 31 19 35 27 42  
TEMP 19 23 27 31 39 34 27 19 29 28 24 22 33 32 28 30 41 37  
DEWPT 6 10 17 23 29 28 22 16 18 18 17 17 20 22 23 26 33 33  
PWIND DIR W S SW NW NW E SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 5 5 5 5 10 5 5 0  
 

 
ILZ011-171000-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 26 33 30 43 10  
TEMP 32 30 33 33 31 29 27 33 33 31 31 34 37 39 42 41 37 29 23 19 15 12  
DEWPT 28 27 30 30 29 27 27 30 31 29 30 34 37 39 42 39 32 25 17 13 8 7  
RH 85 88 89 89 92 92100 89 92 92 96100100100100 92 82 85 77 77 73 80  
WIND DIR S S SW W W NW NW W S S S S S S SW SW W W W W NW NW  
WIND SPD 14 13 13 12 11 6 5 3 6 10 14 18 18 18 17 17 21 20 21 20 17 13  
WIND GUST 28 28 32 32  
CLOUDS SC SC OV OV B1 SC B1 SC SC B1 B2 B2 OV OV B2 B2 B1 B2 B2 B2 B1 SC  
POP 12HR 5 0 60 80 30  
QPF 12HR 0 0 0.06 0.22 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN L L D D C C  
SNOW C  
SNOWSHWRS C C  
WIND CHILL 22 20 23 23 23 21 21 27 22 20 23 27 30 34 32 25 15 8 4 -2 -3  
MIN CHILL 20 21 21 19 22 20 24 31 15 4 -3  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 24 22 40 18 30 20 34 27 41  
TEMP 19 22 26 30 38 33 27 19 28 27 25 22 32 31 28 29 39 37  
DEWPT 7 10 16 22 29 29 23 16 19 18 18 17 21 22 23 25 33 34  
PWIND DIR W S SW W NW E SE S SW  
WIND CHAR GN GN GN GN LT LT LT LT GN  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 10 5 5 5 10 5 10 0  
 

 
ILZ010-171000-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 26 35 31 42 9  
TEMP 33 30 31 31 30 27 28 34 35 32 31 35 38 40 42 39 36 27 21 18 14 11  
DEWPT 29 28 29 29 27 25 28 31 32 30 31 35 38 40 41 37 31 23 15 11 8 6  
RH 85 92 92 92 88 92100 89 89 92100100100100 96 92 82 85 77 73 76 80  
WIND DIR SW SW SW W W W W SW S SE S S S S SW W W W W W NW NW  
WIND SPD 13 11 11 10 8 5 4 2 5 9 13 16 16 14 14 14 18 20 20 18 14 10  
CLOUDS SC B1 OV OV B1 SC B1 SC B1 B1 B1 B2 OV OV B2 B2 B1 B2 B2 B1 B1 SC  
POP 12HR 5 0 60 70 10  
QPF 12HR 0 0 0.08 0.21 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN L L L L S S  
SNOW S  
WIND CHILL 24 20 22 22 22 24 21 25 29 32 34 31 25 13 6 3 -1 -2  
MIN CHILL 20 21 21 20 24 21 26 30 13 2 -3  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 22 41 18 31 20 35 27 42  
TEMP 19 23 27 31 40 34 27 20 29 28 24 22 33 32 28 30 41 37  
DEWPT 7 12 19 24 30 29 23 17 19 20 18 17 22 23 24 27 35 34  
PWIND DIR W S SW NW NW E SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC B1 B2 B2 B2 B2 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 5 5 5 5 10 5 5 0  
 

 
ILZ012-171000-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 27 34 31 45 12  
TEMP 35 30 32 33 31 29 29 34 34 33 32 35 38 40 44 43 38 32 25 20 16 14  
DEWPT 28 27 28 29 28 26 29 31 31 30 31 35 38 40 43 41 34 27 20 14 10 8  
RH 75 88 85 85 88 88100 89 89 89 96100100100 96 93 85 81 81 77 77 76  
WIND DIR S SW SW SW W W NW W S S S S S S S SW W W W W W NW  
WIND SPD 14 13 13 12 11 6 5 3 6 10 14 18 19 18 17 16 18 19 21 20 17 13  
WIND GUST 29 29 27 27 32 31 33 31  
CLOUDS FW SC OV OV B1 SC B1 SC SC B1 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 10 0 60 80 40  
QPF 12HR 0 0 0.05 0.24 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN L L D D C C  
SNOW C  
SNOWSHWRS C C S S  
WIND CHILL 26 20 22 24 22 22 23 28 24 21 24 28 31 36 35 27 19 10 5 1 -1  
MIN CHILL 20 20 22 20 24 21 25 33 18 5 -2  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 25 23 41 20 32 21 35 28 42  
TEMP 21 23 26 31 40 35 29 21 30 29 26 23 33 33 29 30 40 38  
DEWPT 7 10 16 22 29 30 24 18 20 20 18 18 21 23 24 25 34 35  
PWIND DIR W S SW W NW N SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT GN  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC SC B2 B2 B1 B2 B2 B2 B2 B2  
POP 12HR 5 10 10 5 5 10 5 10 5  
 

 
ILZ020-171000-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 27 36 31 46 13  
TEMP 34 31 31 33 31 29 29 35 35 32 32 35 38 41 45 44 38 31 25 21 17 14  
DEWPT 28 27 28 29 28 26 29 32 32 30 31 35 38 41 44 42 35 26 19 14 10 8  
RH 78 85 88 85 88 88100 89 89 92 96100100100 96 93 89 81 78 74 73 76  
WIND DIR S S SW SW W W W NW S SE S S S S S SW W W W W W NW  
WIND SPD 13 10 11 11 9 5 4 3 5 9 13 17 18 19 18 17 19 20 23 20 18 14  
WIND GUST 27 28 29 29 31 33 31  
CLOUDS FW SC B2 OV B1 SC B1 SC B1 B1 B2 B2 OV OV OV B2 B2 B2 B2 B2 B1 SC  
POP 12HR 10 0 60 80 40  
QPF 12HR 0 0 0.04 0.25 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN L L D D C C  
SNOW C  
SNOWSHWRS C C S S  
WIND CHILL 25 22 21 24 23 22 25 22 25 29 32 37 36 27 18 9 6 1 -1  
MIN CHILL 22 20 22 22 25 21 26 34 18 5 -1  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 24 42 21 33 22 36 28 43  
TEMP 22 24 27 31 41 35 30 22 31 29 27 23 34 33 29 30 42 39  
DEWPT 8 11 17 22 30 30 25 18 20 20 19 18 23 23 24 25 35 36  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT GN  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC B1 B2 B2 B2 B1 B2 B2 B2 B2  
POP 12HR 0 5 5 5 5 10 5 5 0  
 

 
ILZ013-171000-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 34 33 46 13  
TEMP 35 32 33 34 32 30 31 34 34 34 33 36 39 41 45 45 39 33 27 22 18 15  
DEWPT 27 27 29 30 30 28 30 31 31 30 31 35 38 41 44 42 35 28 21 15 11 9  
RH 72 81 85 85 92 92 96 89 89 85 92 96 96100 96 89 85 82 78 74 73 77  
WIND DIR SW SW SW SW W W W W S S S S S S S SW W W W W W NW  
WIND SPD 14 13 14 12 10 8 5 4 6 9 13 17 18 18 17 16 18 18 20 19 17 13  
WIND GUST 24 27 29 28 27 27 31 29 33 31  
CLOUDS FW SC OV OV B2 SC B1 SC SC B1 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 10 0 50 80 40  
QPF 12HR 0 0 0.04 0.25 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
SNOWSHWRS C C S S  
WIND CHILL 26 22 23 25 24 23 25 28 26 23 26 29 32 37 37 28 21 13 7 3 0  
MIN CHILL 22 22 23 22 26 23 27 34 21 7 0  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 25 24 41 22 32 23 36 29 42  
TEMP 21 23 27 32 40 36 30 23 30 29 27 25 34 34 30 31 40 39  
DEWPT 7 10 16 22 28 30 25 19 19 19 19 19 21 23 24 26 33 34  
PWIND DIR W S SW W NW N SE S SW  
WIND CHAR GN GN GN GN LT LT LT LT GN  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 5 5 10 5 5 10 5 10 5  
 

 
ILZ019-171000-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 36 32 45 13  
TEMP 35 31 32 33 32 29 30 35 36 33 32 36 40 43 45 42 38 31 24 21 17 14  
DEWPT 29 28 29 30 30 27 30 32 33 30 32 36 39 42 44 40 33 25 17 13 10 7  
RH 78 88 88 89 92 92100 89 89 89100100 96 96 96 93 82 78 74 71 73 73  
WIND DIR S S SW SW W W NW NW SE SE S S S S SW W W W W W W NW  
WIND SPD 13 10 11 11 8 5 4 2 6 9 13 17 19 19 17 16 19 20 21 20 17 13  
WIND GUST 29 31 32  
CLOUDS FW FW B2 OV B1 SC SC SC SC B1 B2 B2 OV OV B2 B2 B1 B2 B2 B2 B1 SC  
POP 12HR 10 0 60 80 20  
QPF 12HR 0 0 0.04 0.24 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN L L D D C C  
SNOW C  
SNOWSHWRS S S  
WIND CHILL 26 23 23 25 24 23 25 23 26 30 34 37 34 27 17 9 5 1 0  
MIN CHILL 23 22 23 22 25 23 28 34 17 5 -1  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 27 25 43 23 33 23 36 29 44  
TEMP 21 25 29 32 41 36 31 24 31 30 27 25 35 34 30 32 42 41  
DEWPT 7 11 18 22 29 30 26 19 20 20 19 18 23 24 24 26 36 36  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC B1 B2 B2 B2 B1 B2 B2 B2 B1  
POP 12HR 0 5 5 5 5 10 5 5 0  
 

 
ILZ106-171000-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 35 32 47 14  
TEMP 36 32 32 34 32 30 30 35 35 34 33 36 40 42 46 46 39 34 27 22 19 16  
DEWPT 28 28 29 31 30 28 30 32 33 32 32 36 39 42 45 44 36 29 22 16 12 9  
RH 72 85 88 89 92 92100 89 92 92 96100 96100 96 93 89 82 81 77 74 73  
WIND DIR SW S SW SW W W W W S S S S S S S SW W W W W W W  
WIND SPD 13 12 12 11 9 6 5 3 5 9 13 16 18 18 17 14 17 17 19 18 16 12  
WIND GUST 26 28 29 27 25 28 29 32 29 26  
CLOUDS FW FW B2 OV B2 SC B1 SC SC B1 B2 B2 OV OV OV B2 B2 B2 B2 B2 B1 SC  
POP 12HR 10 0 50 80 40  
QPF 12HR 0 0 0.03 0.27 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
SNOWSHWRS C C S S  
WIND CHILL 27 22 22 25 24 23 26 23 26 30 34 39 38 29 22 13 8 3 1  
MIN CHILL 22 22 23 22 26 23 27 35 22 8 1  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 25 43 23 34 24 37 29 44  
TEMP 23 24 27 32 42 37 31 24 32 30 28 25 36 35 30 32 42 41  
DEWPT 8 11 18 23 30 31 27 20 21 21 20 19 24 24 25 27 36 37  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 5 5 5 5 10 5 5 5  
 

 
ILZ023-171000-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 36 32 47 13  
TEMP 36 31 32 33 33 30 31 35 36 32 33 36 39 42 46 46 39 34 27 22 18 15  
DEWPT 29 28 29 31 30 28 31 33 33 31 31 35 39 42 45 45 37 30 23 15 12 9  
RH 75 88 88 92 89 92100 92 89 96 92 96100100 96 96 92 85 85 74 77 77  
WIND DIR SW S SW SW W W W W SE S S S S S S SW W W W W W W  
WIND SPD 13 11 12 12 9 6 5 3 5 8 11 13 16 17 16 14 16 16 18 18 17 13  
WIND GUST 26 28 26 28  
CLOUDS FW FW B1 OV B2 SC B1 SC SC B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 SC  
POP 12HR 10 0 40 90 30  
QPF 12HR 0 0 0.02 0.31 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
SNOWSHWRS C C  
WIND CHILL 27 22 22 24 25 24 25 24 26 30 34 39 39 30 23 14 7 3 1  
MIN CHILL 22 21 23 23 25 24 27 35 23 7 1  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 24 43 23 34 23 37 28 44  
TEMP 22 24 27 32 41 36 31 24 32 30 27 25 35 34 29 31 42 41  
DEWPT 9 11 17 22 30 32 28 22 22 22 20 20 25 26 25 27 36 37  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B2 B1 SC SC SC B1 B2 B2 B1 B2 B2 B2 B2  
POP 12HR 0 5 5 10 5 10 5 5 5  
 

 
ILZ033-171000-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 36 32 47 13  
TEMP 35 30 31 33 32 30 31 36 36 33 33 36 39 42 46 46 40 34 27 22 18 15  
DEWPT 28 28 28 30 30 27 30 33 33 30 31 34 38 41 44 44 37 29 22 14 11 9  
RH 75 92 88 89 92 88 96 89 89 89 92 92 96 96 93 93 89 82 81 71 73 77  
WIND DIR S S SW SW W W W NW SE S S S S S S S W W W W W W  
WIND SPD 13 12 13 12 10 6 5 3 5 8 11 13 17 17 16 14 14 13 16 17 14 12  
WIND GUST 27 26  
CLOUDS FW SC B2 OV B2 SC B1 SC SC B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 SC  
POP 12HR 10 0 40 90 20  
QPF 12HR 0 0 0 0.34 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
SNOWSHWRS S S  
OBVIS PF PF  
WIND CHILL 26 20 21 23 24 23 26 25 26 30 33 39 39 31 23 15 7 3 1  
MIN CHILL 20 20 23 22 26 24 28 35 23 7 1  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 24 43 24 35 24 37 28 45  
TEMP 22 24 26 30 42 36 32 25 33 30 27 25 36 34 29 32 43 41  
DEWPT 8 11 16 20 29 31 28 22 22 21 20 19 24 25 24 26 36 37  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B1 B1 B2 B1 SC SC SC B1 B2 B2 B1 B1 B1 B2 B2  
POP 12HR 0 0 5 10 5 10 5 5 5  
 

 
ILZ039-171000-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 35 32 48 12  
TEMP 36 31 32 33 32 30 30 35 35 32 34 36 39 42 46 46 40 33 26 20 17 14  
DEWPT 29 28 29 31 31 27 30 34 33 31 31 34 38 41 46 45 36 29 21 14 10 8  
RH 75 88 88 92 96 88100 96 92 96 89 92 96 96100 96 85 85 81 77 73 76  
WIND DIR S S SW SW W W W NW SE SE S S S S S SW W W W W W W  
WIND SPD 13 11 13 13 10 6 5 2 5 9 13 17 19 20 18 18 19 17 19 20 18 14  
CLOUDS FW SC B2 OV B2 B1 SC SC SC B1 B1 B2 OV OV B2 OV B2 B1 B2 B1 B1 SC  
POP 12HR 10 0 40 90 10  
QPF 12HR 0 0 0 0.33 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D C C  
SNOW C  
OBVIS PF PF  
WIND CHILL 27 22 22 24 24 23 29 24 24 26 30 33 39 39 30 22 12 5 1 -1  
MIN CHILL 21 21 23 22 24 24 27 35 21 5 -1  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 26 24 44 24 36 24 38 28 46  
TEMP 23 24 26 31 43 36 31 25 34 31 28 26 37 34 29 32 44 42  
DEWPT 9 12 16 21 30 32 28 22 23 23 20 20 26 26 25 28 38 39  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN GN LT LT LT LT GN  
AVG CLOUDS SC SC B1 B1 B1 B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 0 0 5 10 5 10 5 5 5  
 

 
INZ001-171000-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 36 32 47 15  
TEMP 35 31 32 34 33 31 31 35 35 33 33 35 38 42 45 46 40 35 29 23 19 17  
DEWPT 28 27 28 31 31 28 31 32 32 30 32 34 37 41 44 44 38 31 24 16 13 10  
RH 75 85 85 89 92 88100 89 89 89 96 96 96 96 96 93 92 85 81 74 77 73  
WIND DIR SW SW SW SW W W W W S S S S S S S S W W W W W W  
WIND SPD 13 13 13 12 10 6 5 4 6 9 13 16 18 18 18 14 16 16 18 18 17 13  
WIND GUST 28 28 28 26 26  
CLOUDS FW FW B1 OV B2 SC B1 SC SC B1 B2 B2 OV OV OV B2 B2 B2 B2 B2 B1 SC  
POP 12HR 10 0 40 90 40  
QPF 12HR 0 0 0.01 0.34 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D L L  
SNOW C  
SNOWSHWRS C C S S  
WIND CHILL 26 21 22 25 25 24 25 29 25 23 25 29 33 38 39 31 25 16 8 4 2  
MIN CHILL 21 20 24 23 25 23 26 34 24 8 2  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 25 23 42 24 33 24 36 28 43  
TEMP 22 23 26 31 41 36 32 25 32 29 27 25 35 33 29 31 41 40  
DEWPT 8 10 16 21 28 30 27 22 21 21 21 20 24 25 24 26 34 36  
PWIND DIR W S SW W NW SE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B2 B1 SC SC SC B1 B2 B1 B1 B2 B2 B2 B2  
POP 12HR 0 5 10 10 5 10 5 5 5  
 

 
INZ010-171000-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 37 32 47 14  
TEMP 34 31 32 33 33 30 32 36 36 32 33 36 39 42 45 46 40 34 28 22 18 15  
DEWPT 27 27 28 30 31 28 31 33 33 30 31 34 38 41 44 45 38 30 23 16 12 9  
RH 75 85 85 89 92 92 96 89 89 92 92 92 96 96 96 96 92 85 81 77 77 77  
WIND DIR S S SW SW SW W W NW S S S S S S S S W W W W W W  
WIND SPD 13 13 14 14 10 6 5 3 5 8 11 13 17 18 17 16 14 13 17 17 16 12  
WIND GUST 28 25 24  
CLOUDS FW FW B2 OV B2 SC B1 SC SC B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1  
POP 12HR 10 0 30 90 30  
QPF 12HR 0 0 0 0.37 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D L L  
SNOW C  
SNOWSHWRS C C  
WIND CHILL 25 21 22 23 25 24 26 25 27 30 33 38 39 32 23 16 8 3 1  
MIN CHILL 21 21 24 23 25 24 28 35 23 8 1  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 25 23 43 24 34 23 37 28 44  
TEMP 22 23 26 30 42 35 32 25 33 29 27 25 36 33 29 32 42 41  
DEWPT 8 10 16 20 28 31 28 23 22 21 21 20 24 25 24 26 36 37  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B1 B2 B1 SC SC SC B1 B2 B1 B1 B1 B1 B2 B2  
POP 12HR 0 0 5 10 5 10 5 5 5  
 

 
INZ011-171000-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
1206 PM CST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 36 32 47 15  
TEMP 34 30 32 33 34 31 32 36 36 32 33 35 39 41 45 46 41 34 29 23 19 17  
DEWPT 27 27 28 31 31 29 32 33 33 31 32 35 38 41 45 46 39 32 24 17 13 10  
RH 75 88 85 92 89 92100 89 89 96 96100 96100100100 92 92 81 77 77 73  
WIND DIR S S SW SW SW W W W SE S S S S S S S W W W W W W  
WIND SPD 13 12 13 14 11 6 5 3 5 8 11 13 17 18 18 16 17 14 17 18 17 13  
WIND GUST 28 26 25  
CLOUDS FW FW B1 OV B2 B1 SC SC SC B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1  
POP 12HR 10 0 30 90 30  
QPF 12HR 0 0 0 0.37 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D L L  
SNOW C  
SNOWSHWRS C C  
WIND CHILL 25 20 21 24 25 25 25 24 26 30 33 38 39 32 24 17 9 4 2  
MIN CHILL 20 20 24 23 25 24 27 34 24 9 2  
 
DATE 12/19/25 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 25 23 42 25 34 24 37 28 44  
TEMP 22 24 26 30 41 36 32 26 33 30 27 25 35 33 29 31 42 41  
DEWPT 9 11 16 20 28 32 29 23 23 22 22 21 25 25 25 26 35 37  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B2 B2 B1 SC SC SC B1 B2 B1 B1 B1 B2 B2 B2  
POP 12HR 0 0 5 10 5 10 5 5 5  
 

 
INZ019-171000-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
106 PM EST TUE DEC 16 2025  
 
DATE 12/16/25 WED 12/17/25 THU 12/18/25 FRI  
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 30 37 33 47 14  
TEMP 34 31 32 33 34 31 32 36 36 33 34 36 39 42 45 46 41 34 29 23 18 16  
DEWPT 27 27 28 30 30 28 31 33 33 31 32 35 38 41 45 46 39 31 24 17 12 10  
RH 75 85 85 89 85 88 96 89 89 92 92 96 96 96100100 92 89 81 77 77 77  
WIND DIR S S SW SW SW W W W SE S S S S S S S W W W W W W  
WIND SPD 13 12 14 14 11 6 6 3 5 8 11 14 17 19 18 17 16 14 17 18 17 13  
WIND GUST 27 28 26 25 27  
CLOUDS FW FW B2 OV B2 B1 SC SC SC B1 B1 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 10 0 30 90 20  
QPF 12HR 0 0 0 0.39 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C D D L L  
SNOW C  
SNOWSHWRS S S  
OBVIS PF PF  
WIND CHILL 25 21 22 23 25 24 26 25 26 30 33 38 39 32 23 16 8 3 1  
MIN CHILL 21 21 24 23 26 25 27 34 23 8 1  
 
DATE 12/19 SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE 12/23/25  
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 24 23 43 25 34 24 37 29 44  
TEMP 22 23 26 30 41 35 32 26 33 30 27 25 35 33 30 32 42 42  
DEWPT 9 11 16 20 29 32 29 24 23 23 21 21 25 26 25 27 37 38  
PWIND DIR W S SW W NW NE SE S SW  
WIND CHAR GN GN GN LT LT LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B1 B2 B1 SC SC B1 B1 B2 B1 B1 B1 B1 B2 B2  
POP 12HR 0 0 5 10 5 10 5 5 5  
 

 
 
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