696  
FOUS53 KLOT 151415  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
915 AM CDT SUN MAR 15 2026  
 
ILZ104-152100-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
915 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 24 12 27  
TEMP 52 56 59 57 44 35 29 24 23 23 23 21 19 17 14 13 17 23 26 26  
DEWPT 40 51 52 52 39 31 25 19 16 15 14 12 10 8 7 5 6 7 7 9  
RH 63 83 78 83 82 85 85 81 74 71 68 68 67 67 73 70 61 50 44 48  
WIND DIR S S S SW W NW NW NW NW NW NW NW NW NW NW NW W W W SW  
WIND SPD 20 24 26 21 21 23 26 28 28 28 27 23 18 14 12 10 10 10 9 5  
WIND GUST 35 40 47 47 33 34 39 43 40 40 39  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW SC SC B2  
POP 12HR 100 100 70 10 0  
QPF 12HR 0.42 0.50 0.05 0 0  
SNOW 12HR 00-00 1 1  
RAIN SHWRS C L L D D L  
SNOWSHWRS L L L C C C  
TSTMS S S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 35 23 15 7 6 6 6 5 4 3 0 -1 5 13 17 18  
MIN CHILL 37 23 7 6 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  
915 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 56 19 20 6 24  
TEMP 48 54 55 43 34 28 24 20 19 20 20 17 15 12 9 7 13 20 24 22  
DEWPT 40 51 52 38 28 24 20 15 14 13 11 8 7 6 3 1 4 6 7 9  
RH 74 90 90 82 78 85 84 81 80 74 67 67 70 76 76 76 67 54 47 57  
WIND DIR S S S NW N NW NW NW NW NW NW NW NW NW NW NW W W SW S  
WIND SPD 19 24 25 21 20 24 29 29 29 28 26 20 17 13 11 9 9 9 8 6  
WIND GUST 31 40 41 31 36 46 44 41 39 36  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC SC FW FW SC B1 B2  
POP 12HR 100 90 60 0 0  
QPF 12HR 0.51 0.42 0.04 0 0  
SNOW 12HR 00-00 4 1  
RAIN SHWRS D D D D  
SLEET D  
SNOWSHWRS D D D L L C C C  
TSTMS C S S  
OBVIS BS BS BS BS BS BS BS  
WIND CHILL 33 22 14 7 1 0 2 2 0 -2 -3 -6 -7 0 10 15 14  
MIN CHILL 37 33 14 1 0 0 -3 -7 -5 12  
WINTER STORM A A A A A A A  
 
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  
915 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 24 25 13 27  
TEMP 53 58 59 58 45 36 30 25 24 24 24 22 19 18 14 14 16 23 27 25  
DEWPT 41 51 52 53 40 32 26 20 17 16 14 13 12 10 8 6 6 7 7 9  
RH 64 77 78 83 82 85 85 81 74 71 65 68 74 70 76 70 64 50 42 50  
WIND DIR S S S S W W W NW NW NW NW NW NW NW NW NW W W W SW  
WIND SPD 21 26 27 23 23 23 26 28 28 28 27 23 18 16 14 13 11 11 10 9  
WIND GUST 37 43 48 48 35 35 39 43 40 39 37 33  
CLOUDS B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC SC FW SC SC B1  
POP 12HR 90 100 70 20 0  
QPF 12HR 0.26 0.46 0.05 0 0  
SNOW 12HR 00-00 T 1  
RAIN SHWRS C L L D D L  
SNOWSHWRS L L L C C S S S  
TSTMS S S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 36 25 16 9 7 7 7 6 4 3 -1 -1 3 11 17 16  
MIN CHILL 39 25 9 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  
915 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 24 24 10 27  
TEMP 55 57 60 55 40 33 28 24 23 23 23 20 17 15 12 11 17 23 26 24  
DEWPT 44 53 54 51 37 29 24 18 17 16 15 12 10 8 6 4 7 9 9 11  
RH 66 86 81 86 89 85 85 77 77 74 71 71 73 73 76 73 64 54 48 57  
WIND DIR S S S SW W W NW NW NW NW NW NW NW NW NW NW W W W S  
WIND SPD 21 25 27 24 23 23 27 31 31 28 27 23 18 16 13 11 10 10 8 5  
WIND GUST 39 41 48 37 35 34 40 43 41 39 37  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC FW FW SC SC B2  
POP 12HR 100 100 70 0 0  
QPF 12HR 0.38 0.29 0.03 0 0  
SNOW 12HR 00-00 1 1  
RAIN SHWRS L C L D L L  
SNOWSHWRS L L L L C C C  
TSTMS C S C S  
OBVIS BS BS BS BS BS  
WIND CHILL 29 21 13 7 6 6 6 3 1 -1 -3 -3 5 13 18 17  
MIN CHILL 21 7 6 3 -1 -4 -1 15  
WIND 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 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  
915 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 45 53 57 53 39 35 29 23 22 23 22 21 19 17 14 11 16 23 25 24  
DEWPT 38 49 50 48 35 29 24 18 16 15 14 11 10 8 6 4 6 7 8 9  
RH 76 86 77 83 85 78 81 81 77 71 71 65 67 67 70 73 64 50 48 52  
WIND DIR S S S SW N NW NW NW NW NW NW NW NW NW NW NW NW W W SW  
WIND SPD 19 19 21 20 19 21 26 28 28 28 27 23 17 13 12 11 10 10 9 5  
WIND GUST 32 34 41 32 31 33 39 43 40 40 40 33 27  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 SC SC FW FW SC SC B1  
POP 12HR 100 100 70 10 0  
QPF 12HR 0.38 0.44 0.06 0 0  
SNOW 12HR 00-00 1 1  
RAIN SHWRS C L L D D L  
SNOWSHWRS L L L C C C  
TSTMS S S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 37 29 23 14 6 4 5 5 4 4 2 -1 -3 3 12 16 16  
MIN CHILL 32 23 6 4 4 2 -3 -2 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 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  
915 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 62 22 23 9 27  
TEMP 57 60 61 51 38 32 27 23 21 22 22 19 15 14 11 10 16 23 27 25  
DEWPT 47 53 55 49 35 27 23 18 16 16 16 12 9 7 5 3 7 9 11 12  
RH 69 78 81 93 89 81 85 81 81 77 77 74 77 73 76 73 67 54 50 57  
WIND DIR S S S SW W W W NW NW NW W W NW NW NW NW W W SW S  
WIND SPD 26 29 32 24 24 25 28 32 32 29 29 24 21 17 14 12 10 10 8 5  
WIND GUST 48 52 52 39 36 36 40 44 42  
CLOUDS B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 FW SC SC SC B1  
POP 12HR 100 90 60 0 0  
QPF 12HR 0.27 0.25 0.03 0 0  
SNOW 12HR 00-00 1 1  
RAIN SHWRS L C L D L  
SNOWSHWRS C L L L C C C  
TSTMS C S C S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 27 18 12 5 3 4 4 1 -3 -3 -5 -6 3 12 18 18  
MIN CHILL 18 5 2 1 -3 -7 -4 14  
WIND 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 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  
915 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 65 25 26 14 26  
TEMP 54 62 63 58 49 37 32 28 25 25 24 23 20 18 16 15 18 23 26 23  
DEWPT 40 51 51 54 48 35 28 23 18 16 15 14 13 10 9 6 6 7 7 9  
RH 59 67 65 86 96 92 85 81 74 68 68 68 74 70 73 67 59 50 44 54  
WIND DIR S S S S SW SW W W W W NW W NW NW W W W W W SW  
WIND SPD 23 27 28 25 24 21 25 25 26 25 24 21 18 16 14 13 13 11 9 5  
WIND GUST 41 49 55 47 40 37 37 37 36 35 36 34 28  
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 SC SC SC  
POP 12HR 70 100 70 40 0  
QPF 12HR 0.12 0.65 0.07 0.02 0  
SNOW 12HR 00-00 T 1  
RAIN SHWRS C C D D C  
SNOWSHWRS C L L L L C C  
TSTMS S S C  
OBVIS BS BS BS BS  
WIND CHILL 27 18 13 9 9 8 7 5 3 1 0 4 12 16 17  
MIN CHILL 27 13 9 7 3 0 0 14  
HIGH WIND 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 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  
915 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 20 21 7 24  
TEMP 48 53 56 50 36 30 26 21 20 20 20 18 15 14 10 7 13 20 23 22  
DEWPT 39 51 53 45 32 26 22 16 15 15 13 10 9 7 5 2 5 8 9 10  
RH 71 93 90 83 85 85 85 81 81 81 74 70 77 73 80 79 70 59 54 59  
WIND DIR S S S W N NW NW NW NW NW NW NW NW NW NW NW NW W SW SW  
WIND SPD 19 25 25 20 21 23 27 29 29 29 27 21 17 13 12 10 9 10 9 5  
WIND GUST 34 43 42 32 32 34 41 46 41 41 37 32  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 SC SC FW FW SC SC B2  
POP 12HR 100 100 70 5 0  
QPF 12HR 0.53 0.40 0.06 0 0  
SNOW 12HR 00-00 2 1  
RAIN SHWRS D L D D D  
SNOWSHWRS D D L L C C C  
TSTMS C S C  
OBVIS BS BS BS BS BS BS  
WIND CHILL 25 17 10 2 1 2 2 0 -1 -2 -5 -7 0 9 14 14  
MIN CHILL 34 17 2 1 0 -3 -7 -6 11  
 
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  
915 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 19 20 6 25  
TEMP 49 54 55 44 33 28 24 20 19 20 20 17 14 12 9 6 12 20 24 23  
DEWPT 42 51 52 39 28 24 19 15 14 13 12 8 6 5 3 1 4 7 8 9  
RH 77 90 90 82 82 85 81 81 80 74 71 67 70 73 76 79 70 56 50 54  
WIND DIR S S S NW NW NW NW NW NW NW NW NW NW NW NW NW W W SW S  
WIND SPD 16 24 24 21 19 25 29 29 28 27 24 19 16 12 10 8 6 8 8 5  
WIND GUST 28 40 40 29 36 48 44 41 39 34  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC SC FW FW SC B1 B2  
POP 12HR 100 90 60 0 0  
QPF 12HR 0.51 0.42 0.03 0 0  
SNOW 12HR 00-00 4 1  
RAIN SHWRS D D D D D  
SNOWSHWRS D D D L L S S L  
TSTMS C S S  
OBVIS BS BS BS BS BS BS BS  
WIND CHILL 35 22 13 6 2 0 2 2 0 -2 -3 -5 -6 2 11 16 16  
MIN CHILL 34 13 2 0 0 -3 -7 -4 13  
WINTER STORM A A A A A A A  
 
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  
915 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 20 21 7 24  
TEMP 49 54 57 50 36 30 26 21 20 21 20 17 15 13 10 7 13 20 24 22  
DEWPT 42 52 54 46 32 26 21 16 16 15 14 10 8 7 4 2 5 8 9 10  
RH 77 93 90 86 85 85 81 81 84 77 77 73 73 76 76 79 70 59 52 59  
WIND DIR S S S W NW NW NW NW NW NW NW NW NW NW NW NW NW W SW S  
WIND SPD 20 26 26 19 21 23 28 31 31 29 28 23 18 14 13 10 10 10 8 5  
WIND GUST 34 43 44 34 34 41 44 42 40  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC FW FW SC SC B2  
POP 12HR 100 90 70 5 0  
QPF 12HR 0.44 0.41 0.04 0 0  
SNOW 12HR 00-00 3 1  
RAIN SHWRS D L D D D  
SNOWSHWRS D D L L C C C  
TSTMS C S C  
OBVIS BS BS BS BS BS BS  
WIND CHILL 25 16 9 3 1 2 2 0 -3 -3 -6 -7 0 9 14 14  
MIN CHILL 36 16 2 1 0 -3 -7 -5 11  
 
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  
915 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 19 20 6 25  
TEMP 50 54 55 43 33 28 24 20 19 20 19 16 13 12 9 6 12 21 25 23  
DEWPT 43 52 53 38 28 24 20 16 14 14 12 9 6 5 3 2 5 8 9 11  
RH 77 93 93 82 82 85 84 84 80 77 74 73 73 73 76 83 73 56 50 59  
WIND DIR S S SW NW N NW NW NW NW NW NW NW NW NW NW NW W W SW S  
WIND SPD 17 23 23 23 20 25 29 28 27 26 24 20 16 12 10 8 6 6 8 5  
WIND GUST 31 39 35 31 37 49 44 41 37  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC SC FW FW SC B1 B2  
POP 12HR 90 90 60 0 0  
QPF 12HR 0.45 0.42 0.03 0 0  
SNOW 12HR 00-00 5 1  
RAIN SHWRS D D D D D  
SNOWSHWRS D D D L L S S L  
TSTMS C S S  
OBVIS BS BS BS BS BS BS BS  
WIND CHILL 34 22 13 6 1 0 2 2 -1 -3 -3 -6 -6 2 11 16 16  
MIN CHILL 34 13 1 -1 -1 -4 -7 -5 13  
WINTER STORM A A A A A A A  
 
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  
915 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 9 25  
TEMP 52 55 58 55 41 33 27 22 22 22 22 19 17 15 12 9 14 22 25 24  
DEWPT 42 52 53 51 36 28 23 17 16 15 14 11 10 8 5 3 6 8 8 10  
RH 69 90 83 86 82 82 85 81 77 74 71 70 73 73 73 76 70 54 48 54  
WIND DIR S S S SW W W NW NW NW NW NW NW NW NW NW NW NW W W SW  
WIND SPD 20 25 26 24 23 21 27 29 29 29 27 23 19 14 13 11 10 10 9 6  
WIND GUST 35 42 47 42 34 34 40 44 41 40 37 33  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW SC SC B2  
POP 12HR 100 100 70 5 0  
QPF 12HR 0.50 0.44 0.04 0 0  
SNOW 12HR 00-00 1 1  
RAIN SHWRS L L L D L L  
SNOWSHWRS L D L L C C C  
TSTMS C S C S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 31 20 12 4 4 4 5 2 1 -1 -4 -5 2 11 15 16  
MIN CHILL 38 20 4 3 2 -1 -6 -3 12  
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 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  
915 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 26  
TEMP 53 56 59 55 39 32 28 23 22 23 23 20 17 15 12 10 15 22 25 24  
DEWPT 43 52 54 51 36 28 23 18 17 16 15 11 9 8 5 4 6 8 9 10  
RH 69 86 83 86 89 85 81 81 81 74 71 67 70 73 73 76 67 54 50 54  
WIND DIR S S S SW W W NW NW NW NW NW NW NW NW NW NW NW W SW S  
WIND SPD 20 25 27 23 24 23 27 29 29 28 27 23 19 16 13 11 10 10 8 5  
WIND GUST 35 41 47 37 35 33 39 43 41 39 37  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC FW FW SC SC B2  
POP 12HR 100 100 70 5 0  
QPF 12HR 0.43 0.37 0.03 0 0  
SNOW 12HR 00-00 1 1  
RAIN SHWRS L L L D L L  
SNOWSHWRS L L L L C C C  
TSTMS C S C S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 29 20 12 5 4 5 6 3 1 0 -4 -5 3 12 16 16  
MIN CHILL 20 5 4 2 0 -5 -3 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 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  
915 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 11 26  
TEMP 53 56 59 56 43 34 29 23 23 23 23 20 18 16 13 11 16 22 25 25  
DEWPT 41 51 53 52 39 30 24 18 16 15 14 12 10 8 6 4 6 7 8 9  
RH 64 83 80 86 86 85 81 81 74 71 68 71 70 70 73 73 64 52 48 50  
WIND DIR S S S SW W W NW NW NW NW NW NW NW NW NW NW W W W SW  
WIND SPD 19 24 26 21 21 21 26 29 29 28 27 23 18 14 12 10 10 10 9 6  
WIND GUST 37 42 48 46 34 34 39 44 41 40 37 33 28  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW SC SC B2  
POP 12HR 100 100 70 5 0  
QPF 12HR 0.51 0.45 0.05 0 0  
SNOW 12HR 00-00 1 1  
RAIN SHWRS C L L D L L  
SNOWSHWRS L L L L C C C  
TSTMS S S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 34 22 14 6 5 5 6 4 3 1 -2 -3 3 12 16 17  
MIN CHILL 22 6 5 4 1 -3 -2 13  
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 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  
915 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 23 10 26  
TEMP 55 57 59 50 38 31 27 23 22 22 22 19 16 14 12 10 15 22 26 25  
DEWPT 46 53 54 48 34 27 22 17 16 15 14 10 8 6 4 2 5 8 8 10  
RH 72 86 83 93 85 85 81 77 77 74 71 67 70 70 70 69 64 54 46 52  
WIND DIR S S S SW W NW NW NW NW NW NW W NW NW NW NW W W SW S  
WIND SPD 23 26 27 23 24 25 29 31 29 28 27 23 19 16 13 11 10 9 8 5  
WIND GUST 40 42 46 36 35 35 43 44 42 39 37  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 SC FW FW SC SC B2  
POP 12HR 100 90 60 0 0  
QPF 12HR 0.38 0.28 0.02 0 0  
SNOW 12HR 00-00 1 T  
RAIN SHWRS D C D D L  
SNOWSHWRS L L L L C C C  
TSTMS C S C  
OBVIS BS BS BS BS BS BS  
WIND CHILL 27 18 11 5 3 5 5 1 -1 -2 -4 -4 3 12 17 18  
MIN CHILL 18 5 3 1 -2 -5 -3 14  
WIND 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  
915 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 24 24 11 27  
TEMP 54 57 60 57 41 34 29 25 24 23 23 21 18 16 13 11 16 23 26 25  
DEWPT 44 53 54 53 39 31 25 19 17 16 15 13 11 9 7 5 7 8 9 11  
RH 69 86 81 86 92 89 85 78 74 74 71 71 73 73 76 76 67 52 48 55  
WIND DIR S S S SW W W W NW NW NW NW NW NW NW NW NW W W W SW  
WIND SPD 21 25 27 24 23 23 26 29 29 28 27 23 18 14 13 11 10 10 8 5  
WIND GUST 39 42 48 44 36 34 39 43 41 39 37  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC FW FW SC SC B2  
POP 12HR 100 100 70 5 0  
QPF 12HR 0.34 0.36 0.05 0 0  
SNOW 12HR 00-00 1 1  
RAIN SHWRS C C L D L L  
SNOWSHWRS L L L L C C C  
TSTMS C S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 32 22 14 8 6 6 7 4 2 1 -2 -3 3 12 17 18  
MIN CHILL 22 7 6 4 1 -3 -1 14  
WIND 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 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  
915 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 25 11 26  
TEMP 57 64 62 58 42 35 29 25 24 23 23 21 18 16 13 11 16 23 26 25  
DEWPT 45 52 54 54 41 31 25 20 18 16 16 13 11 8 6 4 6 9 9 11  
RH 64 65 75 86 96 85 85 81 77 74 74 71 73 70 73 73 64 54 48 55  
WIND DIR S S S S SW W W W W NW W W NW NW NW NW NW W W SW  
WIND SPD 23 29 29 25 24 24 25 28 27 26 25 23 18 13 12 10 10 9 8 4  
WIND GUST 43 50 52 50 39 35 37 42 40 37 36 34  
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 SC SC FW SC B1  
POP 12HR 90 100 60 10 0  
QPF 12HR 0.23 0.35 0.08 0 0  
SNOW 12HR 00-00 T 2  
RAIN SHWRS C C L D L C  
SNOWSHWRS C C L L C C S  
TSTMS S S S C  
OBVIS BS BS BS BS BS  
WIND CHILL 33 23 15 9 7 7 7 4 2 1 -2 -2 4 13 18 19  
MIN CHILL 22 8 6 4 1 -3 -1 15  
HIGH WIND 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 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  
915 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 67 25 25 11 27  
TEMP 59 66 63 58 43 35 29 26 24 24 23 21 18 16 13 12 17 24 26 25  
DEWPT 45 51 53 53 40 31 24 19 17 16 15 12 9 7 4 2 5 7 8 9  
RH 60 58 70 83 89 85 81 74 74 71 71 68 67 67 67 63 58 47 46 50  
WIND DIR S S S S SW W W W W W W W NW NW NW NW NW W W SW  
WIND SPD 27 32 29 26 24 25 25 28 28 26 25 23 18 14 13 10 10 10 8 4  
WIND GUST 51 52 51 51 39 36 37 42 41 36 36 35  
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 SC SC B2  
POP 12HR 90 100 60 10 0  
QPF 12HR 0.19 0.38 0.07 0 0  
SNOW 12HR 00-00 T 1  
RAIN SHWRS S C C D L C  
SNOWSHWRS C C L L C C S  
TSTMS S S S C  
OBVIS BS BS BS BS BS  
WIND CHILL 33 23 15 10 8 7 7 4 2 1 -2 -2 4 14 18 19  
MIN CHILL 23 10 7 4 0 -3 -1 16  
HIGH WIND 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 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  
915 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 60 65 62 55 40 33 28 25 23 24 24 20 16 14 12 10 17 24 27 25  
DEWPT 47 52 54 52 38 29 23 19 17 16 15 12 9 6 4 2 6 8 9 11  
RH 62 63 75 90 92 85 81 78 77 71 68 71 73 70 70 69 61 50 46 55  
WIND DIR S S S SW SW W W W NW NW W W NW NW NW NW NW W W S  
WIND SPD 29 35 32 28 25 25 27 29 29 28 27 23 20 17 14 12 11 11 9 5  
WIND GUST 55 55 54 42 39 39 39 43 41 33  
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC SC SC B1  
POP 12HR 90 100 50 5 0  
QPF 12HR 0.32 0.28 0.03 0 0  
SNOW 12HR 00-00 T 1  
RAIN SHWRS S C L D L  
SNOWSHWRS C C C C C C S  
TSTMS S S S C  
OBVIS BS BS BS  
WIND CHILL 29 20 13 8 6 7 7 4 -1 -3 -5 -5 4 13 18 18  
MIN CHILL 20 7 6 3 -3 -6 -3 15  
HIGH WIND 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 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  
915 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 65 25 25 13 26  
TEMP 55 62 62 58 47 37 31 26 25 25 24 22 20 18 15 13 17 23 26 25  
DEWPT 42 51 52 54 46 34 27 21 18 16 15 13 11 9 7 5 6 7 7 9  
RH 61 67 70 86 96 89 85 81 74 68 68 68 67 67 70 70 61 50 44 50  
WIND DIR S S S S SW W W W W W NW W NW NW NW NW W W W SW  
WIND SPD 23 28 29 26 24 24 25 27 26 26 26 23 18 16 14 12 11 10 9 5  
WIND GUST 42 50 54 47 39 36 39 40 37 37 36 34  
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC FW SC SC SC  
POP 12HR 80 100 70 20 0  
QPF 12HR 0.21 0.49 0.05 0 0  
SNOW 12HR 00-00 T 1  
RAIN SHWRS S C C D D C  
SNOWSHWRS C L L C C S S S  
TSTMS S S C  
OBVIS BS BS BS BS  
WIND CHILL 38 25 17 11 8 8 8 6 5 3 0 -1 5 13 17 18  
MIN CHILL 25 10 8 6 2 -2 0 15  
HIGH WIND 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 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  
915 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 67 25 26 12 27  
TEMP 58 65 64 58 44 36 30 26 25 24 24 21 18 16 14 12 17 24 26 25  
DEWPT 45 51 53 54 42 32 25 20 18 17 16 14 11 8 5 3 6 8 8 10  
RH 62 60 67 86 93 85 81 78 74 74 71 74 73 70 67 66 61 50 46 52  
WIND DIR S S S S SW SW W W W W W W W NW NW NW W W W SW  
WIND SPD 26 31 29 25 25 25 25 28 28 26 25 23 18 14 13 11 10 10 8 3  
WIND GUST 49 52 52 49 40 36 37 42 40 36 35 34  
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 SC SC B1  
POP 12HR 80 100 60 10 0  
QPF 12HR 0.17 0.47 0.06 0 0  
SNOW 12HR 00-00 T 1  
RAIN SHWRS C C D D C  
SNOWSHWRS C C L L C C  
TSTMS S S C  
OBVIS BS BS BS BS BS  
WIND CHILL 35 24 16 10 8 8 8 5 3 1 -1 -2 5 13 18  
MIN CHILL 24 10 8 5 1 -2 0 15  
HIGH WIND 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 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  
915 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 58 63 64 59 47 37 31 27 26 25 24 22 19 17 15 13 18 24 26 25  
DEWPT 44 52 53 54 46 34 27 21 19 18 16 15 12 8 6 4 6 8 8 10  
RH 59 67 67 83 96 89 85 78 74 74 71 74 74 67 67 67 59 50 46 52  
WIND DIR S S S S SW SW W W W W W W W NW NW NW W W W SW  
WIND SPD 25 29 29 24 25 24 25 27 27 26 25 23 18 16 14 12 11 10 8 4  
WIND GUST 48 51 54 48 39 36 37 41 39 37 36 35  
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC FW SC SC  
POP 12HR 70 100 60 20 0  
QPF 12HR 0.13 0.40 0.06 0 0  
SNOW 12HR 00-00 T 1  
RAIN SHWRS C C D D C  
SNOWSHWRS C L L C C S S  
TSTMS S S C  
OBVIS BS BS BS BS  
WIND CHILL 38 25 17 12 9 9 8 6 4 2 -1 -1 5 13 18  
MIN CHILL 25 11 8 6 2 -2 0 15  
HIGH WIND 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 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  
1015 AM 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 58 63 63 59 45 36 30 27 25 24 24 21 19 16 14 13 17 23 26 25  
DEWPT 46 52 53 54 43 33 26 21 19 17 16 14 11 8 6 4 7 8 9 11  
RH 64 67 70 83 93 89 85 78 78 74 71 74 70 70 70 67 64 52 48 55  
WIND DIR S S S S SW SW W W W W W W W W W W W W W SW  
WIND SPD 26 29 29 24 26 25 25 28 28 27 25 24 19 17 14 12 11 10 8 4  
WIND GUST 49 54 56 48 41 36 37 41 40 37 36 36  
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 FW SC B1  
POP 12HR 70 100 60 10 0  
QPF 12HR 0.19 0.38 0.04 0 0  
SNOW 12HR 00-00 T 1  
RAIN SHWRS S C D D C  
SNOWSHWRS C C L L C C  
TSTMS S S C  
OBVIS BS BS BS  
WIND CHILL 35 24 16 11 8 8 7 5 3 1 -2 -1 4 12 17  
MIN CHILL 24 10 8 5 1 -2 0 14  
HIGH WIND W 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  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page