237  
FOUS53 KLOT 151656  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1156 AM CDT SUN MAR 15 2026  
 
ILZ104-152100-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 58 23 23 12 27  
TEMP 56 58 44 37 35 29 24 23 23 23 21 19 17 14 13 17 23 26 26  
DEWPT 49 53 42 34 30 24 19 17 16 15 12 10 8 7 5 6 7 7 9  
RH 77 83 93 89 82 81 81 77 74 71 68 67 67 73 70 61 50 44 48  
WIND DIR S S SW N NW NW NW NW NW NW NW NW NW NW NW W W W SW  
WIND SPD 21 24 18 21 24 26 27 27 27 26 18 16 13 11 10 10 10 9 5  
WIND GUST 33 40 28 32 35 41 42 42 40 37 29 26  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW SC SC B2  
POP 12HR 100 100 80 10 0  
QPF 12HR 0.46 0.52 0.05 0 0  
SNOW 12HR 00-00 1 1  
RAIN L C  
RAIN SHWRS L D D  
SNOW L D D L L S  
SNOWSHWRS C  
TSTMS S  
OBVIS BS BS BS BS BS  
WIND CHILL 29 23 15 7 5 6 7 5 4 3 0 -1 5 13 17 18  
MIN CHILL 23 7 5 5 3 -2 0 15  
WIND Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 22 44 34 54 38 58 38 51  
TEMP 23 28 41 42 38 37 50 48 40 39 55 55 45 38 48 45  
DEWPT 16 24 32 35 34 35 39 38 35 36 41 41 35 29 30 29  
PWIND DIR S S SW NW W SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 SC B1 B1 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 60 20 10 5 5 5 10 5  
RAIN SHWRS S  
SNOWSHWRS C L S  
 

 
ILZ003-152100-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 52 19 20 6 24  
TEMP 52 42 36 31 27 24 21 19 20 20 17 15 12 9 7 13 20 24 22  
DEWPT 46 38 32 27 24 21 16 15 15 12 8 7 6 3 1 4 6 7 9  
RH 80 86 85 85 88 88 81 84 81 71 67 70 76 76 76 67 54 47 57  
WIND DIR S W N N N NW NW NW NW NW NW NW NW NW NW W W SW S  
WIND SPD 20 18 20 24 26 29 31 28 28 26 17 13 12 10 9 9 9 8 6  
WIND GUST 31 35 40 44 46 43 41 24  
CLOUDS OV OV OV OV OV OV OV OV OV OV B2 B2 SC SC FW FW SC B1 B2  
POP 12HR 100 100 80 0 0  
QPF 12HR 0.70 0.50 0.07 0 0  
SNOW 12HR 00-00 4 1  
RAIN D  
RAIN SHWRS L D  
SLEET C  
SNOW D D D D L C S  
SNOWSHWRS C  
TSTMS S  
OBVIS BS BS BS BS BS BS BS  
WIND CHILL 25 18 13 7 2 1 2 2 0 -2 -3 -6 -7 0 10 15 14  
MIN CHILL 39 25 13 2 1 0 -3 -7 -5 12  
WINTER STORM W W W W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 17 43 32 52 35 58 35 52  
TEMP 20 26 39 40 35 34 48 47 38 37 55 55 43 36 48 46  
DEWPT 18 24 33 34 33 33 40 39 35 35 42 42 34 28 31 29  
PWIND DIR S SW SW NW S SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 80 10 10 0 5 5 5 5  
SNOWSHWRS C D  
 

 
ILZ104-152100-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 59 24 24 13 27  
TEMP 58 59 54 40 35 30 25 24 24 24 22 19 18 14 14 16 23 27 25  
DEWPT 49 53 51 36 31 25 21 18 17 16 13 12 10 8 6 6 7 7 9  
RH 72 80 90 85 85 81 84 77 74 71 68 74 70 76 70 64 50 42 50  
WIND DIR S S S NW W W W NW NW NW NW NW NW NW NW W W W SW  
WIND SPD 23 25 20 20 23 25 27 26 26 25 19 18 16 14 13 11 11 10 9  
WIND GUST 34 41 32 32 35 40 41 41 40 36 32 28  
CLOUDS B2 OV OV OV OV OV OV OV B2 OV OV B2 B2 SC SC FW SC SC B1  
POP 12HR 100 100 80 20 0  
QPF 12HR 0.30 0.62 0.04 0 0  
SNOW 12HR 00-00 1 1  
RAIN L L  
RAIN SHWRS L L D  
SNOW C L D L L C  
SNOWSHWRS S S S  
TSTMS S S  
OBVIS BS BS BS BS BS  
WIND CHILL 26 17 10 7 7 8 6 4 3 -1 -1 3 11 17 16  
MIN CHILL 26 10 7 6 3 -2 0 14  
WIND Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 23 44 35 54 38 58 38 51  
TEMP 25 28 40 42 38 37 50 47 40 39 54 54 45 39 47 45  
DEWPT 16 24 32 35 35 35 39 38 36 36 41 41 36 30 30 29  
PWIND DIR S S SW NW W SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 SC B1 B1 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 60 20 10 5 5 5 10 5  
SNOWSHWRS S L S  
 

 
ILZ021-152100-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 60 23 23 10 27  
TEMP 59 59 50 39 33 28 24 23 23 23 20 17 15 12 11 17 23 26 24  
DEWPT 51 54 48 36 29 25 19 18 18 17 12 10 8 6 4 7 9 9 11  
RH 75 83 93 89 85 88 81 81 81 77 71 73 73 76 73 64 54 48 57  
WIND DIR S S SW NW NW NW NW NW NW NW NW NW NW NW NW W W W S  
WIND SPD 24 26 19 21 24 26 28 27 27 26 19 18 14 13 11 10 10 8 5  
WIND GUST 36 41 31 32 36 41 42 41 40 31  
CLOUDS OV OV OV OV OV OV B2 OV OV OV OV B2 B2 SC FW FW SC SC B2  
POP 12HR 100 100 70 0 0  
QPF 12HR 0.36 0.37 0.03 0 0  
SNOW 12HR 00-00 1 1  
RAIN L  
RAIN SHWRS C L D  
SNOW L D L L C S  
SNOWSHWRS C  
TSTMS S S  
OBVIS BS BS BS BS BS  
WIND CHILL 29 22 14 7 6 6 6 3 1 -1 -3 -3 5 13 18 17  
MIN CHILL 22 7 6 3 -1 -4 -1 15  
WIND Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 46 33 58 37 63 38 55  
TEMP 24 27 42 42 36 35 53 52 40 38 59 59 45 39 51 49  
DEWPT 17 25 36 36 34 35 44 42 37 36 45 45 37 31 33 31  
PWIND DIR S S SW NW SE SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC SC B1 B1 B2 B2 B2 B2 B1 SC  
POP 12HR 60 20 5 5 0 5 5 5  
RAIN SHWRS S  
SNOWSHWRS C L S  
 

 
ILZ006-152100-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 21 23 11 26  
TEMP 49 53 38 35 32 28 23 21 22 22 21 19 17 14 11 16 23 25 24  
DEWPT 44 49 35 32 28 23 19 17 17 16 11 10 8 6 4 6 7 8 9  
RH 83 86 89 89 85 81 84 84 81 77 65 67 67 70 73 64 50 48 52  
WIND DIR S SW N N NW NW NW NW NW NW NW NW NW NW NW NW W W SW  
WIND SPD 18 18 16 21 23 26 27 26 27 25 18 16 13 13 11 10 10 9 5  
WIND GUST 29 26 33 35 40 44 43 40 39 31 27 24  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 SC SC FW FW SC SC B1  
POP 12HR 100 100 80 10 0  
QPF 12HR 0.57 0.48 0.06 0 0  
SNOW 12HR 00-00 2 1  
RAIN L  
RAIN SHWRS D D D  
SNOW L D D L C C  
SNOWSHWRS C  
TSTMS S  
OBVIS BS BS BS BS BS  
WIND CHILL 25 21 14 6 4 5 5 4 4 2 -1 -3 3 12 16 16  
MIN CHILL 38 34 21 6 4 4 2 -3 -2 14  
WIND Y Y Y  
WINTER WEATH Y Y Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 20 43 34 49 35 54 35 47  
TEMP 23 27 41 41 37 36 47 44 38 37 51 50 41 36 44 41  
DEWPT 16 23 32 34 34 33 39 36 34 34 40 40 34 28 30 28  
PWIND DIR S S SW NW W SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC B1 B2 SC B1 B1 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 60 20 10 5 5 5 10 5  
SNOWSHWRS C L S  
 

 
ILZ021-152100-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 61 22 23 9 27  
TEMP 61 60 52 37 32 28 24 21 22 22 19 15 14 11 10 16 23 27 25  
DEWPT 52 55 50 35 29 25 19 18 19 18 12 9 7 5 3 7 9 11 12  
RH 72 84 93 92 88 88 81 88 88 84 74 77 73 76 73 67 54 50 57  
WIND DIR S S SW W W NW W NW NW NW W NW NW NW NW W W SW S  
WIND SPD 27 29 24 25 26 28 29 29 28 27 23 21 18 16 12 10 10 8 5  
WIND GUST 41 46 36 36 39 43 44 44 41  
CLOUDS OV OV OV B2 B2 OV B2 B2 OV OV B2 B2 B2 B1 FW SC SC SC B1  
POP 12HR 100 100 70 0 0  
QPF 12HR 0.35 0.25 0.04 0 0  
SNOW 12HR 00-00 1 1  
RAIN L  
RAIN SHWRS C L D  
SNOW C L L L C S  
SNOWSHWRS C  
TSTMS C C  
OBVIS BS BS BS BS BS BS  
WIND CHILL 28 20 13 6 3 4 3 1 -3 -3 -5 -6 3 12 18 18  
MIN CHILL 19 6 3 1 -3 -7 -4 14  
WIND Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 49 33 60 37 66 39 57  
TEMP 24 28 44 44 37 35 55 53 40 38 61 60 47 39 53 50  
DEWPT 17 25 37 38 35 35 45 44 38 36 47 46 39 32 35 32  
PWIND DIR S SW SW NW SE SW NW NW  
WIND CHAR GN GN LT GN LT GN GN BZ  
AVG CLOUDS B2 OV B2 SC SC SC SC B1 B1 SC B1 B2 B2 B2 B1 SC  
POP 12HR 60 10 5 5 0 5 5 5  
SNOWSHWRS C L  
 

 
INZ002-152100-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 64 25 27 14 26  
TEMP 64 61 59 54 42 34 28 25 25 24 23 20 18 16 15 18 23 26 23  
DEWPT 48 52 54 50 38 30 23 20 18 17 14 13 10 9 6 6 7 7 9  
RH 56 72 83 86 86 85 81 81 74 74 68 74 70 73 67 59 50 44 54  
WIND DIR S S S SW SW W W NW W W W NW NW NW W W W W SW  
WIND SPD 27 27 26 24 20 24 24 23 21 23 18 18 16 14 13 13 11 9 5  
WIND GUST 41 46 39 36 32 37 39 39 34 35 28 28  
CLOUDS OV OV OV OV OV B2 OV B2 B2 OV OV B2 B2 B2 B1 B1 SC SC SC  
POP 12HR 80 100 70 40 0  
QPF 12HR 0.26 0.91 0.08 0.02 0  
SNOW 12HR 00-00 T 1  
RAIN D C  
RAIN SHWRS C C D  
SNOW C L L L C  
SNOWSHWRS C C  
TSTMS S S  
OBVIS BS BS BS BS  
WIND CHILL 34 22 15 9 9 9 7 5 3 1 0 4 12 16 17  
MIN CHILL 34 15 9 7 3 0 0 14  
HIGH WIND W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 20 43 33 54 36 59 37 51  
TEMP 23 26 39 41 36 35 50 47 38 38 55 54 44 38 47 45  
DEWPT 13 22 31 34 34 34 41 39 36 36 42 43 36 30 32 31  
PWIND DIR S S S W W SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B1 OV B2 B1 SC B2 SC SC SC B1 B2 B2 B2 B2 B1 SC  
POP 12HR 60 20 10 5 5 10 10 5  
SNOWSHWRS L S  
 

 
ILZ005-152100-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 52 20 21 7 24  
TEMP 51 45 37 32 29 25 20 20 21 20 18 15 14 10 7 13 20 23 22  
DEWPT 47 43 34 29 26 21 17 16 16 15 10 9 7 5 2 5 8 9 10  
RH 86 93 89 88 88 84 88 84 81 81 70 77 73 80 79 70 59 54 59  
WIND DIR S S N N NW NW NW NW NW NW NW NW NW NW NW NW W SW SW  
WIND SPD 20 19 19 23 24 27 28 29 28 26 19 16 12 10 10 9 10 9 5  
WIND GUST 29 34 36 43 44 43 41 37 29 26 20  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 SC SC FW FW SC SC B2  
POP 12HR 100 100 90 5 0  
QPF 12HR 0.63 0.44 0.08 0 0  
SNOW 12HR 00-00 2 1  
FRZG RAIN C  
RAIN D  
RAIN SHWRS D D  
SLEET D  
SNOW C D D D L C S  
SNOWSHWRS C  
TSTMS S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 29 19 15 9 2 1 2 2 0 -1 -2 -5 -7 0 9 14 14  
MIN CHILL 36 29 15 1 1 0 -3 -7 -6 11  
WINTER WEATH Y Y Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 17 43 32 51 35 57 35 50  
TEMP 21 26 39 40 35 34 48 47 38 37 54 54 42 36 47 45  
DEWPT 17 23 34 35 34 33 41 40 35 35 43 42 34 28 32 29  
PWIND DIR S SW SW NW S SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC B1 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 70 10 10 5 5 5 10 5  
SNOWSHWRS C L  
 

 
ILZ008-152100-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 19 20 6 25  
TEMP 53 43 36 31 28 24 21 19 20 20 17 14 12 9 6 12 20 24 23  
DEWPT 48 39 33 27 24 20 16 15 15 13 8 6 5 3 1 4 7 8 9  
RH 83 86 89 85 85 84 81 84 81 74 67 70 73 76 79 70 56 50 54  
WIND DIR S W N N NW NW NW NW NW NW NW NW NW NW NW W W SW S  
WIND SPD 20 17 19 24 27 29 31 27 27 26 18 14 11 10 8 6 8 8 5  
WIND GUST 27 31 35 41 44 46 43 40  
CLOUDS OV OV OV OV OV OV OV OV OV OV B2 B2 SC SC FW FW SC B1 B2  
POP 12HR 100 100 70 0 0  
QPF 12HR 0.62 0.50 0.06 0 0  
SNOW 12HR 00-00 4 1  
RAIN D  
RAIN SHWRS D D  
SLEET C  
SNOW D D D L L C S  
SNOWSHWRS L  
TSTMS S  
OBVIS BS BS BS BS BS BS BS  
WIND CHILL 25 18 13 7 3 1 2 3 0 -2 -3 -5 -6 2 11 16 16  
MIN CHILL 25 13 3 1 0 -3 -7 -4 13  
WINTER STORM W W W W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 18 43 32 53 35 60 36 53  
TEMP 22 28 40 40 35 34 49 48 38 37 56 57 43 36 50 48  
DEWPT 18 25 34 35 33 33 41 40 35 35 43 43 35 29 31 30  
PWIND DIR S SW SW NW S SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 FW  
POP 12HR 80 10 5 0 5 5 5 5  
SNOWSHWRS L D  
 

 
ILZ011-152100-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 54 20 21 7 24  
TEMP 53 50 39 32 28 25 21 20 21 20 17 15 13 10 7 13 20 24 22  
DEWPT 50 49 37 30 26 23 17 16 16 15 10 8 7 4 2 5 8 9 10  
RH 89 96 92 92 92 92 84 84 81 81 73 73 76 76 79 70 59 52 59  
WIND DIR S SW N N NW NW NW NW NW NW NW NW NW NW NW NW W SW S  
WIND SPD 23 23 18 23 26 29 31 31 29 27 20 18 14 12 10 10 10 8 5  
WIND GUST 29 34 39 44 46 44 41 37  
CLOUDS OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC FW FW SC SC B2  
POP 12HR 100 100 80 5 0  
QPF 12HR 0.63 0.47 0.07 0 0  
SNOW 12HR 00-00 3 1  
FRZG RAIN C  
RAIN SHWRS L D D  
SLEET C  
SNOW D D D D L C S  
SNOWSHWRS C  
TSTMS S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 32 20 15 9 3 1 2 2 0 -3 -3 -6 -7 0 9 14 14  
MIN CHILL 31 15 2 1 0 -3 -7 -5 11  
WINTER WEATH Y Y Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 18 43 32 53 35 60 36 52  
TEMP 22 27 40 39 35 34 49 48 38 37 56 55 43 36 48 46  
DEWPT 17 24 34 35 33 33 41 40 36 35 43 43 35 29 32 30  
PWIND DIR S S SW NW SE SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC B1 B1 B1 B2 B2 B2 B2 B1 SC  
POP 12HR 70 10 10 5 5 5 5 5  
SNOWSHWRS C L  
 

 
ILZ010-152100-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 54 19 20 6 25  
TEMP 54 43 35 30 28 24 20 19 19 19 16 13 12 9 6 12 21 25 23  
DEWPT 50 41 33 27 25 20 17 16 16 14 9 6 5 3 2 5 8 9 11  
RH 86 93 92 88 88 84 88 88 88 80 73 73 73 76 83 73 56 50 59  
WIND DIR S W N NW NW NW NW NW NW NW NW NW NW NW NW W W SW S  
WIND SPD 19 18 20 24 26 29 31 27 27 25 19 14 12 10 8 6 6 8 5  
WIND GUST 28 31 35 41 44 46 43 40  
CLOUDS OV OV OV OV OV OV OV OV OV OV B2 B2 SC SC FW FW SC B1 B2  
POP 12HR 100 100 70 0 0  
QPF 12HR 0.55 0.49 0.06 0 0  
SNOW 12HR 00-00 4 1  
RAIN D  
RAIN SHWRS D D  
SLEET C  
SNOW D D D L L C  
SNOWSHWRS L  
TSTMS S  
OBVIS BS BS BS BS BS BS BS  
WIND CHILL 26 17 13 7 2 1 2 2 -1 -3 -3 -6 -6 2 11 16 16  
MIN CHILL 25 12 2 0 -1 -4 -7 -5 13  
WINTER STORM W W W W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 18 44 32 54 36 61 37 54  
TEMP 22 28 40 41 35 34 50 49 39 38 57 57 44 37 50 48  
DEWPT 19 25 35 36 33 34 43 41 36 36 44 44 36 30 33 31  
PWIND DIR S SW SW NW SE SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC SC SC SC SC SC B1 B2 B2 B2 B2 B1 FW  
POP 12HR 80 10 5 0 0 5 5 5  
SNOWSHWRS L D  
 

 
ILZ012-152100-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 57 21 22 9 25  
TEMP 55 57 43 36 32 27 22 22 22 22 19 17 15 12 9 14 22 25 24  
DEWPT 49 53 40 33 28 23 18 18 17 16 11 10 8 5 3 6 8 8 10  
RH 80 86 89 89 85 85 84 84 81 77 70 73 73 73 76 70 54 48 54  
WIND DIR S S NW N NW NW NW NW NW NW NW NW NW NW NW NW W W SW  
WIND SPD 23 23 18 21 25 27 28 29 29 27 19 18 13 12 11 10 10 9 6  
WIND GUST 33 35 29 33 37 42 44 43 41 39 33 28 24  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW SC SC B2  
POP 12HR 100 100 80 5 0  
QPF 12HR 0.46 0.40 0.06 0 0  
SNOW 12HR 00-00 2 1  
RAIN L  
RAIN SHWRS L D D  
SLEET C  
SNOW L D D L C S  
SNOWSHWRS C  
TSTMS S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 25 19 12 5 3 4 4 2 1 -1 -4 -5 2 11 15 16  
MIN CHILL 19 4 3 2 -1 -6 -3 12  
WIND Y Y Y  
WINTER WEATH Y Y Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 19 44 32 55 36 60 37 52  
TEMP 23 27 41 41 36 34 51 49 39 37 56 56 44 37 49 47  
DEWPT 17 24 34 36 34 34 42 40 36 36 43 43 36 29 32 30  
PWIND DIR S S SW NW SE SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC SC B1 B2 B2 B2 B2 B2 B1 FW  
POP 12HR 70 20 10 5 5 5 10 5  
RAIN SHWRS S  
SNOWSHWRS C L S  
 

 
ILZ020-152100-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 59 22 22 10 26  
TEMP 57 59 48 37 32 28 23 22 22 22 20 17 15 12 10 15 22 25 24  
DEWPT 51 54 43 34 28 24 18 18 17 16 11 9 8 5 4 6 8 9 10  
RH 80 83 83 89 85 85 81 84 81 77 67 70 73 73 76 67 54 50 54  
WIND DIR S S W NW NW NW NW NW NW NW NW NW NW NW NW NW W SW S  
WIND SPD 24 25 18 21 25 26 28 28 28 26 21 19 16 13 11 10 10 8 5  
WIND GUST 35 39 28 33 37 42 44 42 40 36 32  
CLOUDS OV OV OV OV OV OV B2 OV OV OV OV B2 B2 SC FW FW SC SC B2  
POP 12HR 100 100 70 5 0  
QPF 12HR 0.43 0.32 0.04 0 0  
SNOW 12HR 00-00 1 1  
RAIN L  
RAIN SHWRS C D D  
SLEET C  
SNOW L D L L C S  
SNOWSHWRS C  
TSTMS S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 27 20 13 6 4 5 5 3 1 0 -4 -5 3 12 16 16  
MIN CHILL 20 6 4 2 0 -5 -3 14  
WIND Y Y Y  
WINTER WEATH Y Y Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 20 45 32 56 37 62 38 54  
TEMP 23 28 41 41 35 34 52 51 39 37 58 57 45 38 50 48  
DEWPT 17 25 35 36 34 34 43 41 36 36 44 44 37 30 33 31  
PWIND DIR S S SW NW SE SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC SC B1 B1 B2 B2 B2 B2 B1 FW  
POP 12HR 70 20 5 5 5 5 5 5  
SNOWSHWRS C L S  
 

 
ILZ013-152100-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 58 22 23 11 26  
TEMP 56 58 48 37 33 28 23 22 23 23 20 18 16 13 11 16 22 25 25  
DEWPT 49 53 45 34 29 23 18 17 16 15 12 10 8 6 4 6 7 8 9  
RH 77 83 89 89 85 81 81 81 74 71 71 70 70 73 73 64 52 48 50  
WIND DIR S S SW N NW NW NW NW NW NW NW NW NW NW NW W W W SW  
WIND SPD 21 24 18 21 24 26 27 28 28 26 19 17 13 12 10 10 10 9 6  
WIND GUST 33 40 28 33 36 41 43 42 40 39 33 28 24  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW SC SC B2  
POP 12HR 100 100 80 5 0  
QPF 12HR 0.44 0.50 0.06 0 0  
SNOW 12HR 00-00 1 1  
RAIN L  
RAIN SHWRS L D D  
SNOW L D D L C S  
SNOWSHWRS C  
TSTMS S  
OBVIS BS BS BS BS BS  
WIND CHILL 29 22 14 6 5 5 6 4 3 1 -2 -3 3 12 16 17  
MIN CHILL 21 5 4 4 1 -3 -2 13  
WIND Y Y Y  
WINTER WEATH Y Y Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 44 34 55 37 60 38 52  
TEMP 24 28 41 42 38 36 51 49 40 39 56 56 45 38 48 46  
DEWPT 16 24 33 35 34 35 41 39 36 36 42 42 36 29 31 29  
PWIND DIR S S SW NW S SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 SC SC B1 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 70 20 10 5 5 5 10 5  
RAIN SHWRS S  
SNOWSHWRS C L S  
 

 
ILZ019-152100-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 60 22 22 10 26  
TEMP 60 60 46 36 31 28 23 22 22 22 19 16 14 12 10 15 22 26 25  
DEWPT 52 55 42 33 28 24 17 16 17 15 10 8 6 4 2 5 8 8 10  
RH 75 84 86 89 88 85 77 77 81 74 67 70 70 70 69 64 54 46 52  
WIND DIR S S W NW NW NW NW NW NW NW W NW NW NW NW W W SW S  
WIND SPD 24 25 20 23 26 28 29 29 28 27 19 18 13 12 11 10 9 8 5  
WIND GUST 36 39 31 35 39 44 46 43 41 31 24  
CLOUDS OV OV OV OV OV OV B2 B2 OV OV B2 B2 B2 SC FW FW SC SC B2  
POP 12HR 90 100 70 0 0  
QPF 12HR 0.45 0.30 0.03 0 0  
SNOW 12HR 00-00 1 1  
RAIN L  
RAIN SHWRS C D D  
SLEET C  
SNOW C D D L L C S  
SNOWSHWRS C  
TSTMS S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 25 18 12 5 4 5 4 1 -1 -2 -4 -4 3 12 17 18  
MIN CHILL 18 5 3 1 -2 -5 -3 14  
WIND Y Y Y  
WINTER WEATH Y Y Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 46 33 58 37 64 39 56  
TEMP 24 29 42 42 36 35 53 52 40 39 59 59 46 39 51 50  
DEWPT 17 25 35 36 33 34 42 41 37 35 44 44 37 30 33 31  
PWIND DIR S SW SW NW SE SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 FW  
POP 12HR 70 10 5 5 0 5 5 5  
SNOWSHWRS C L  
 

 
ILZ106-152100-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 59 23 24 11 27  
TEMP 58 59 54 41 34 29 24 23 23 23 21 18 16 13 11 16 23 26 25  
DEWPT 51 55 52 37 30 25 20 19 18 17 13 11 9 7 5 7 8 9 11  
RH 77 87 93 85 85 85 84 84 81 77 71 73 73 76 76 67 52 48 55  
WIND DIR S S SW NW W W NW NW NW NW NW NW NW NW NW W W W SW  
WIND SPD 23 25 20 21 24 25 27 27 27 26 18 16 13 11 11 10 10 8 5  
WIND GUST 37 42 33 32 36 40 42 41 40 36 29 27  
CLOUDS OV OV OV OV OV OV B2 OV OV OV OV B2 B2 SC FW FW SC SC B2  
POP 12HR 100 100 70 5 0  
QPF 12HR 0.32 0.44 0.04 0 0  
SNOW 12HR 00-00 1 1  
RAIN L C  
RAIN SHWRS C L D  
SNOW C L L L C S  
SNOWSHWRS C  
TSTMS S S  
OBVIS BS BS BS BS BS  
WIND CHILL 31 22 15 8 6 7 7 4 2 1 -2 -3 3 12 17 18  
MIN CHILL 22 7 6 4 1 -3 -1 14  
WIND Y Y Y  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 45 33 57 37 62 38 54  
TEMP 24 28 41 42 37 35 53 50 40 38 57 57 45 39 50 48  
DEWPT 17 25 35 37 35 35 43 41 37 37 44 44 38 31 33 32  
PWIND DIR S S SW NW SE SW NW NW  
WIND CHAR GN GN LT LT LT LT GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC SC B1 B1 B2 B2 B2 B2 B1 FW  
POP 12HR 60 20 5 5 5 5 5 5  
SNOWSHWRS C L S  
 

 
ILZ023-152100-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 63 24 25 11 26  
TEMP 62 61 58 47 36 30 26 24 24 24 21 18 16 13 11 16 23 26 25  
DEWPT 53 54 54 43 32 26 20 19 18 18 13 11 8 6 4 6 9 9 11  
RH 72 78 86 86 85 85 78 81 77 77 71 73 70 73 73 64 54 48 55  
WIND DIR S S S SW W W W NW NW NW W NW NW NW NW NW W W SW  
WIND SPD 26 31 24 24 20 26 27 24 24 23 18 18 13 13 10 10 9 8 4  
WIND GUST 41 46 37 36 31 40 41 40 34 34 29 24  
CLOUDS B2 OV OV OV OV OV OV OV B2 OV OV B2 B2 B2 SC SC FW SC B1  
POP 12HR 90 100 70 10 0  
QPF 12HR 0.43 0.57 0.06 0 0  
SNOW 12HR 00-00 1 1  
RAIN L C  
RAIN SHWRS C C D  
SNOW C L L L C S  
SNOWSHWRS S  
TSTMS S C S  
OBVIS BS BS BS BS BS  
WIND CHILL 37 26 17 11 8 8 8 4 2 1 -2 -2 4 13 18 19  
MIN CHILL 26 10 8 4 1 -3 -1 15  
HIGH WIND W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 46 32 58 37 63 38 55  
TEMP 25 28 42 41 36 35 53 50 39 37 59 58 46 39 51 48  
DEWPT 16 24 35 37 35 35 44 42 37 36 45 45 38 31 34 32  
PWIND DIR S S SW W E SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC SC SC B1 B1 B2 B2 B2 B1 SC  
POP 12HR 60 20 5 5 5 5 5 5  
SNOWSHWRS S L S  
 

 
ILZ033-152100-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 66 25 26 11 27  
TEMP 66 62 59 48 37 31 27 25 24 24 21 18 16 13 12 17 24 26 25  
DEWPT 51 53 54 44 33 27 19 18 18 16 12 9 7 4 2 5 7 8 9  
RH 58 72 83 86 85 85 71 74 77 71 68 67 67 67 63 58 47 46 50  
WIND DIR S S S SW W W W NW W W W W NW NW NW NW W W SW  
WIND SPD 29 31 27 25 21 25 27 24 25 24 19 18 14 13 10 10 10 8 4  
WIND GUST 48 48 42 39 33 39 41 40 36 34  
CLOUDS B2 OV OV OV OV OV OV B2 B2 OV B2 B2 B2 B2 B1 B1 SC SC B2  
POP 12HR 90 100 60 10 0  
QPF 12HR 0.38 0.49 0.04 0 0  
SNOW 12HR 00-00 T 1  
RAIN L C  
RAIN SHWRS C C D  
SNOW C L L L C S  
SNOWSHWRS S  
TSTMS C C S  
OBVIS BS BS BS BS BS  
WIND CHILL 28 18 12 9 8 8 4 2 1 -2 -2 4 14 18 19  
MIN CHILL 28 12 8 4 0 -3 -1 16  
HIGH WIND W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 47 33 59 37 65 39 56  
TEMP 24 28 43 43 37 35 56 53 40 38 60 59 47 39 53 49  
DEWPT 14 22 34 36 34 33 44 41 36 35 44 43 37 30 33 30  
PWIND DIR S S S W E SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC SC SC B1 B1 B2 B2 B2 B2 SC  
POP 12HR 50 20 5 5 0 5 5 5  
SNOWSHWRS S C S  
 

 
ILZ039-152100-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 66 24 24 10 28  
TEMP 66 61 58 43 34 29 25 24 24 24 20 16 14 12 10 17 24 27 25  
DEWPT 53 55 54 40 31 26 19 19 18 17 12 9 6 4 2 6 8 9 11  
RH 63 81 86 89 89 88 78 81 77 74 71 73 70 70 69 61 50 46 55  
WIND DIR S S S W W W W NW NW W W NW NW NW NW NW W W S  
WIND SPD 33 31 27 25 25 26 27 27 29 27 21 20 18 16 12 11 11 9 5  
WIND GUST 50 48 42 39 39 41 42 41 40  
CLOUDS B2 B2 OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 B1 SC SC SC B1  
POP 12HR 90 100 50 5 0  
QPF 12HR 0.46 0.43 0.03 0 0  
SNOW 12HR 00-00 T 1  
RAIN C  
RAIN SHWRS C L D  
SNOW C C C C C C  
SNOWSHWRS S  
TSTMS C C S  
OBVIS BS BS BS  
WIND CHILL 32 23 14 9 7 6 7 4 -1 -3 -5 -5 4 13 18 18  
MIN CHILL 23 9 6 3 -3 -6 -3 15  
HIGH WIND W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 49 34 61 37 66 39 58  
TEMP 24 28 45 44 37 35 57 54 40 38 62 60 48 40 53 50  
DEWPT 15 23 36 37 34 34 45 43 38 36 46 45 39 32 34 32  
PWIND DIR S S SW W E SW NW NW  
WIND CHAR GN BZ LT GN LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 FW SC SC SC B1 B2 B2 B1 B1 SC  
POP 12HR 60 10 5 0 0 5 5 0  
SNOWSHWRS S L  
 

 
INZ001-152100-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 63 25 26 13 26  
TEMP 63 60 59 52 39 32 27 25 25 24 22 20 18 15 13 17 23 26 25  
DEWPT 50 54 55 49 35 28 21 19 18 17 13 11 9 7 5 6 7 7 9  
RH 62 81 87 89 85 85 78 78 74 74 68 67 67 70 70 61 50 44 50  
WIND DIR S S S SW W W W NW W W W NW NW NW NW W W W SW  
WIND SPD 27 28 25 24 20 25 25 23 23 24 19 18 16 13 12 11 10 9 5  
WIND GUST 41 44 37 35 32 39 40 40 35 34 29 28  
CLOUDS B2 OV OV OV OV OV OV B2 B2 OV OV B2 B2 B1 SC FW SC SC SC  
POP 12HR 90 100 70 20 0  
QPF 12HR 0.28 0.78 0.05 0 0  
SNOW 12HR 00-00 T 1  
RAIN L C  
RAIN SHWRS C C D  
SNOW C L L L C  
SNOWSHWRS S S S  
TSTMS S S S  
OBVIS BS BS BS BS  
WIND CHILL 30 19 13 9 9 8 6 5 3 0 -1 5 13 17 18  
MIN CHILL 30 12 9 6 2 -2 0 15  
HIGH WIND W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 20 44 33 55 37 60 37 52  
TEMP 24 28 41 41 37 35 51 48 39 38 56 55 45 38 48 45  
DEWPT 14 23 33 35 34 34 42 39 36 36 43 43 36 30 33 31  
PWIND DIR S S S W S SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 SC SC SC B2 B2 B2 B2 B2 B1 SC  
POP 12HR 60 20 5 5 5 5 10 5  
SNOWSHWRS S L S  
 

 
INZ010-152100-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 66 25 26 12 27  
TEMP 66 62 59 53 39 31 27 25 25 24 21 18 16 14 12 17 24 26 25  
DEWPT 51 53 55 50 34 27 21 19 19 17 14 11 8 5 3 6 8 8 10  
RH 58 72 87 89 82 85 78 78 78 74 74 73 70 67 66 61 50 46 52  
WIND DIR S S S SW W W W W W W W W NW NW NW W W W SW  
WIND SPD 28 31 27 25 23 25 26 24 24 23 18 18 14 13 11 10 10 8 3  
WIND GUST 48 49 42 37 34 39 41 40 35 34 29 28  
CLOUDS B2 OV OV OV OV OV OV B2 B2 OV OV B2 B2 B2 B1 B1 SC SC B1  
POP 12HR 80 100 60 10 0  
QPF 12HR 0.28 0.77 0.05 0 0  
SNOW 12HR 00-00 T 1  
RAIN L C  
RAIN SHWRS C C D  
SNOW C L L C C  
TSTMS S C S  
OBVIS BS BS BS BS BS  
WIND CHILL 29 18 12 9 9 9 5 3 1 -1 -2 5 13 18  
MIN CHILL 29 12 9 5 1 -2 0 15  
HIGH WIND W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 45 33 58 37 64 39 55  
TEMP 24 28 42 42 37 35 54 51 39 38 59 58 47 39 52 48  
DEWPT 14 22 34 36 34 33 44 41 37 35 45 44 38 31 34 31  
PWIND DIR S S S W E SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC SC SC B1 B1 B2 B2 B2 B1 SC  
POP 12HR 50 20 5 5 5 5 5 5  
SNOWSHWRS C S  
 

 
INZ011-152100-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
1156 AM CDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 66 26 26 13 27  
TEMP 66 63 60 56 39 32 28 26 25 24 22 19 17 15 13 18 24 26 25  
DEWPT 50 53 55 52 35 28 22 20 19 18 15 12 8 6 4 6 8 8 10  
RH 56 70 84 86 85 85 78 78 78 77 74 74 67 67 67 59 50 46 52  
WIND DIR S S S SW SW W W W W W W W W NW NW W W W SW  
WIND SPD 27 31 27 25 21 25 25 23 23 24 19 19 16 14 12 11 10 8 4  
WIND GUST 44 48 42 37 33 39 39 40 34 34 29 29  
CLOUDS OV OV OV OV OV OV OV B2 B2 OV OV B2 B2 B2 B1 SC FW SC SC  
POP 12HR 80 100 60 20 0  
QPF 12HR 0.19 0.86 0.05 0 0  
SNOW 12HR 00-00 T 1  
RAIN D C  
RAIN SHWRS C C D  
SNOW C L L C C  
SNOWSHWRS S S  
TSTMS S S S  
OBVIS BS BS BS BS  
WIND CHILL 31 19 13 11 10 9 6 4 2 -1 -1 5 13 18  
MIN CHILL 31 13 9 6 2 -2 0 15  
HIGH WIND W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 44 33 57 37 63 39 54  
TEMP 24 28 41 41 37 35 53 50 40 39 59 57 46 39 51 48  
DEWPT 14 22 34 36 34 34 44 41 37 36 45 44 38 31 34 32  
PWIND DIR S S S W NW SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 SC SC SC B1 B2 B2 B2 B2 B1 SC  
POP 12HR 50 20 5 5 5 5 10 5  
SNOWSHWRS C S  
 

 
INZ019-152100-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
1256 PM EDT SUN MAR 15 2026  
 
DATE SUN 03/15/26 MON 03/16/26 TUE 03/17/26  
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 66 25 26 13 26  
TEMP 66 63 60 55 39 32 27 25 25 24 21 19 16 14 13 17 23 26 25  
DEWPT 51 52 54 51 35 28 21 20 19 17 14 11 8 6 4 7 8 9 11  
RH 58 67 81 86 85 85 78 81 78 74 74 70 70 70 67 64 52 48 55  
WIND DIR S S S SW W W W W W W W W W NW W W W W SW  
WIND SPD 28 31 27 25 24 25 26 24 23 23 21 20 17 14 12 11 10 8 4  
WIND GUST 50 49 42 37 36 37 40 39 34 35  
CLOUDS B2 OV OV OV B2 OV OV B2 B2 OV OV B2 B2 B2 B2 B1 FW SC B1  
POP 12HR 80 100 50 10 0  
QPF 12HR 0.27 0.66 0.05 0 0  
SNOW 12HR 00-00 T 1  
RAIN D C  
RAIN SHWRS S C D  
SNOW C C C C C  
TSTMS S C S  
OBVIS BS BS BS  
WIND CHILL 30 19 13 10 9 9 5 3 1 -2 -1 4 12 17  
MIN CHILL 29 13 9 5 1 -2 0 14  
HIGH WIND W W W  
 
DATE WED 03/18/26 THU 03/19/26 FRI 03/20/26 SAT 03/21/26  
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 22 45 34 58 38 64 40 55  
TEMP 25 28 41 42 38 36 54 51 40 39 59 58 48 40 52 48  
DEWPT 14 22 34 37 35 34 45 42 38 36 45 44 39 31 34 32  
PWIND DIR S S S W NE SW NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC SC SC B1 B1 B2 B2 B2 B2 SC  
POP 12HR 50 20 5 5 5 5 5 5  
SNOWSHWRS C S  
 

 
 
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