844  
FOUS53 KLOT 150615  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
115 AM CDT SUN MAR 15 2026  
 
ILZ104-152100-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
115 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 26 12 26  
TEMP 38 40 53 57 58 56 42 34 28 24 23 23 24 21 19 15 13 12 16 22 26 23  
DEWPT 30 35 46 52 53 52 38 30 23 18 16 14 14 12 9 7 5 3 4 6 6 7  
RH 73 82 77 83 83 86 86 85 81 77 74 68 65 68 64 70 70 66 58 49 42 50  
WIND DIR SE S S S S SW N NW NW NW NW NW NW NW NW NW NW W W W W SW  
WIND SPD 16 16 20 23 23 24 21 26 31 31 28 27 25 23 18 14 12 10 10 10 9 6  
WIND GUST 27 36 40 40 36 34 39 46 44 41 40 37  
CLOUDS OV B2 B2 OV B2 OV OV OV OV OV OV OV OV OV B2 B2 SC FW SC FW SC SC  
POP 12HR 100 100 80 10 0  
QPF 12HR 0.29 0.86 0.06 0 0  
SNOW 12HR 00-00 1 1  
RAIN D  
RAIN SHWRS S S C L D D  
SNOW D D D D C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 28 31 32 21 13 6 6 6 8 4 3 0 -1 -1 4 11 16 15  
MIN CHILL 28 34 21 6 6 4 0 -2 -1 14  
 
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 33 55 38 56 38 59  
TEMP 25 28 40 40 37 35 51 49 43 40 54 52 43 40 57 50  
DEWPT 17 25 32 34 33 32 39 40 38 37 41 39 34 34 37 34  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 SC SC SC B1 B1 SC B2 B1 SC B1  
POP 12HR 70 20 5 0 5 5 5 5  
SNOWSHWRS C L S  
 
 
ILZ003-152100-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
115 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 23 5 24  
TEMP 38 39 49 55 56 43 33 28 23 20 19 20 21 17 13 10 7 5 11 19 23 21  
DEWPT 31 35 46 51 51 39 28 24 19 15 13 11 10 8 6 4 2 0 4 7 8 10  
RH 76 85 89 86 83 86 82 85 84 81 77 67 62 67 73 76 79 79 73 59 52 62  
WIND DIR SE S S S S NW N N NW NW NW NW NW NW NW NW NW W W W SW S  
WIND SPD 17 16 19 21 21 26 24 29 31 31 29 26 25 21 18 13 11 9 9 9 9 6  
WIND GUST 27 35 37 35 39 36 43 46 44 42 39 36  
CLOUDS OV B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 SC SC FW FW SC B1 B1  
POP 12HR 100 100 70 0 0  
QPF 12HR 0.53 0.61 0.10 0 0  
SNOW 12HR 00-00 3 2  
RAIN SHWRS S S L D D D  
SLEET C  
SNOW D D D L L S  
SNOWSHWRS L  
TSTMS S S S S  
OBVIS BS BS BS BS BS BS BS  
WIND CHILL 28 31 33 20 12 6 1 0 2 4 -1 -4 -6 -9 -9 -1 8 14 12  
MIN CHILL 26 33 33 12 1 0 -1 -6 -10 -8 11  
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 42 29 53 35 58 38 61  
TEMP 23 26 39 38 33 31 48 47 41 38 54 53 42 39 57 54  
DEWPT 19 25 33 33 31 30 40 40 38 36 42 41 34 34 38 37  
PWIND DIR S SW SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC B1 B1 SC SC B1 B2 B1 B1 B2 SC SC B2  
POP 12HR 80 20 5 0 0 5 0 5  
RAIN SHWRS S  
SNOWSHWRS L D S  
 
 
ILZ104-152100-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
115 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 27 13 26  
TEMP 39 41 54 58 59 57 43 35 31 25 24 24 25 21 19 17 14 13 16 22 26 23  
DEWPT 30 35 46 50 51 51 38 31 24 19 15 12 12 13 10 8 6 5 5 6 5 8  
RH 70 79 74 75 75 80 82 85 75 78 68 60 57 71 67 67 70 70 61 49 40 52  
WIND DIR SE S S S S SW NW NW NW NW NW NW NW NW NW NW NW W W W W SW  
WIND SPD 16 16 21 24 24 25 21 26 31 31 28 27 24 21 18 14 13 11 10 10 9 6  
WIND GUST 27 37 40 41 37 34 37 46 44 41 41 36  
CLOUDS OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC SC SC FW SC SC  
POP 12HR 90 100 80 10 0  
QPF 12HR 0.22 0.82 0.04 0 0  
SNOW 12HR 00-00 1 1  
RAIN D C  
RAIN SHWRS S S C L D D  
SNOW D D D D C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 30 33 34 23 15 8 7 7 9 5 4 2 -1 0 4 11 17 15  
MIN CHILL 29 36 23 8 7 5 2 -1 0 13  
 
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 45 34 56 38 57 39 59  
TEMP 26 28 41 41 37 35 52 50 43 40 54 52 43 41 57 50  
DEWPT 18 26 33 35 34 33 40 41 39 38 41 39 36 35 37 35  
PWIND DIR S S SW SW SW W NW NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 SC SC SC B1 SC SC B2 B1 SC B1  
POP 12HR 70 20 5 0 5 5 5 5  
SNOWSHWRS C L S  
 
 
ILZ021-152100-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
115 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 25 11 27  
TEMP 40 43 56 58 59 52 38 32 27 23 22 23 23 20 17 15 12 11 16 22 26 23  
DEWPT 33 38 50 53 53 48 35 28 23 18 16 15 13 12 9 7 4 3 6 7 8 10  
RH 76 82 80 83 80 86 89 85 85 81 77 71 65 71 70 70 70 69 64 52 46 57  
WIND DIR SE S S S S SW NW NW NW NW NW NW NW NW NW NW NW W W W SW S  
WIND SPD 16 16 20 24 25 26 23 26 29 31 29 26 25 23 19 14 13 10 9 10 8 5  
WIND GUST 27 37 41 41 39 35 40 46 43 42 39 37  
CLOUDS OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC FW FW FW SC SC  
POP 12HR 90 100 70 0 0  
QPF 12HR 0.28 0.73 0.03 0 0  
SNOW 12HR 00-00 2 T  
RAIN D  
RAIN SHWRS C L D D  
SNOW D D L L C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 32 35 28 18 11 5 5 6 7 3 0 -1 -3 -3 4 12 18 16  
MIN CHILL 31 38 18 5 4 3 -1 -4 -1 14  
 
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 47 32 59 37 62 40 64  
TEMP 25 28 43 41 35 33 54 53 44 40 58 56 45 41 61 56  
DEWPT 19 26 36 36 33 32 44 45 40 38 45 43 38 36 41 39  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC SC B2 SC FW B1 B2 SC B1 B2 B1 SC B1  
POP 12HR 70 20 0 0 0 5 0 5  
SNOWSHWRS C L S  
 
 
ILZ006-152100-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
115 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 22 25 10 24  
TEMP 38 38 47 55 56 52 39 34 28 23 22 23 22 20 18 16 13 11 15 21 24 21  
DEWPT 29 32 40 50 50 48 34 29 23 17 14 12 11 12 9 6 5 3 5 7 7 9  
RH 70 79 76 83 80 86 82 82 81 77 71 62 62 71 67 64 70 69 64 54 47 59  
WIND DIR SE SE S S S W N N NW NW NW NW NW NW NW NW NW NW W W W SW  
WIND SPD 17 16 18 19 18 21 19 26 32 31 28 27 24 21 17 13 12 10 10 10 9 5  
WIND GUST 27 26 32 35 34 33 34 40 47 44 41 40 37 27  
CLOUDS OV OV B2 OV B2 OV OV OV OV OV OV OV OV OV B2 SC SC SC FW SC SC B1  
POP 12HR 100 100 80 10 0  
QPF 12HR 0.47 0.77 0.09 0 0  
SNOW 12HR 00-00 2 1  
RAIN D  
RAIN SHWRS S S L L D D  
SLEET D  
SNOW D D D D C C  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 28 29 29 20 11 5 4 5 6 4 2 1 -1 -3 2 10 14 14  
MIN CHILL 27 31 20 5 4 4 1 -3 -3 12  
 
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 42 32 52 35 54 36 56  
TEMP 24 26 40 38 35 33 49 44 39 37 52 48 40 37 55 47  
DEWPT 17 25 33 33 32 31 39 38 36 36 40 38 33 32 36 33  
PWIND DIR S S W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 SC SC B1 B2 B1 SC B2 B1 SC B2  
POP 12HR 70 20 5 0 5 5 5 5  
SNOWSHWRS C L S  
 
 
ILZ021-152100-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
115 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 20 25 9 27  
TEMP 44 47 58 60 61 50 37 30 25 20 22 23 24 19 15 14 11 10 15 22 27 23  
DEWPT 35 42 51 54 55 47 35 26 22 17 18 17 16 12 8 6 4 2 6 8 10 12  
RH 70 83 77 81 81 89 92 85 88 88 84 77 71 74 73 70 73 69 67 54 48 62  
WIND DIR SE S S S S SW NW NW NW NW NW NW NW W NW NW NW W W W SW S  
WIND SPD 17 19 25 29 31 28 25 26 29 31 29 27 28 24 20 17 14 11 10 10 9 6  
WIND GUST 32 43 47 48 42 39 39 44 43 42 40  
CLOUDS B2 B2 B2 B2 OV OV OV OV OV B2 B2 OV OV B2 B2 B1 B1 SC FW FW SC B1  
POP 12HR 90 100 60 0 0  
QPF 12HR 0.31 0.59 0.03 0 0  
SNOW 12HR 00-00 1 T  
RAIN D  
RAIN SHWRS C C D D  
SNOW L L L L S  
SNOWSHWRS C  
TSTMS S S S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 37 26 16 8 2 4 5 7 1 -3 -3 -5 -5 3 11 18 14  
MIN CHILL 34 16 1 1 0 -4 -6 -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 22 50 32 62 38 64 41 68  
TEMP 25 28 45 42 36 34 56 54 45 40 59 57 47 42 64 59  
DEWPT 19 25 38 38 34 33 45 46 42 39 46 45 40 37 43 41  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 FW SC B1 SC SC B1 B1 SC SC B1 B1 SC B1  
POP 12HR 70 20 0 0 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS C L S  
 
 
INZ002-152100-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
115 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 27 14 25  
TEMP 39 41 54 61 61 59 47 37 33 27 25 24 25 22 20 18 16 14 17 22 25 22  
DEWPT 29 33 46 51 50 54 45 32 28 22 18 15 13 14 12 9 7 5 5 6 6 8  
RH 67 73 74 70 67 83 93 82 82 81 74 68 60 71 71 67 67 67 58 49 44 54  
WIND DIR SE SE S S S S S NW W W W W W W NW NW NW W W W W SW  
WIND SPD 16 17 23 26 27 26 19 19 25 28 26 25 23 21 19 16 14 13 12 11 9 5  
WIND GUST 26 27 40 43 47 40 33 32 36 42 37 36 34  
CLOUDS OV B2 B1 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 SC FW B1  
POP 12HR 70 100 80 30 0  
QPF 12HR 0.08 0.68 0.03 0.01 0  
SNOW 12HR 00-00 T 1  
RAIN D D  
RAIN SHWRS S C C D  
SNOW D D D C C  
SNOWSHWRS C C S  
TSTMS S S S  
OBVIS BS BS  
WIND CHILL 30 33 27 20 11 9 8 9 7 5 3 1 0 4 11 16 15  
MIN CHILL 29 35 27 11 8 7 3 -1 0 13  
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 44 32 56 37 56 38 59  
TEMP 24 27 39 39 36 34 52 49 42 40 54 50 43 40 56 50  
DEWPT 15 24 32 35 32 32 41 42 39 38 43 41 37 35 39 36  
PWIND DIR S S SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 B1 SC SC B2 B1 SC B2 B1 SC SC  
POP 12HR 60 30 5 0 5 5 5 5  
SNOWSHWRS S L C  
 
 
ILZ005-152100-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
115 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 22 6 23  
TEMP 36 37 49 54 56 49 36 29 24 20 19 20 21 17 14 11 8 6 12 19 23 20  
DEWPT 29 32 45 51 53 46 31 25 20 16 16 15 14 10 8 5 3 1 5 8 9 10  
RH 75 82 86 90 90 89 82 85 84 84 88 81 74 73 76 76 79 79 73 61 54 64  
WIND DIR SE SE S S S NW N N NW NW NW NW NW NW NW NW NW W W W SW S  
WIND SPD 17 16 19 23 21 25 23 28 31 31 29 26 26 23 18 13 11 9 9 10 9 6  
WIND GUST 26 36 41 40 37 35 42 46 44 42 39 37  
CLOUDS OV B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 SC SC SC FW SC B1 B1  
POP 12HR 100 100 80 0 0  
QPF 12HR 0.60 0.66 0.10 0 0  
SNOW 12HR 00-00 3 2  
RAIN C  
RAIN SHWRS S S L L D D  
SLEET D  
SNOW D D D D D C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 26 28 24 14 7 0 0 2 3 0 -3 -4 -7 -7 -1 7 13 11  
MIN CHILL 25 30 14 0 -1 0 -5 -8 -7 10  
 
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 42 30 52 34 57 36 58  
TEMP 22 25 38 38 33 31 48 45 40 37 53 51 40 38 55 49  
DEWPT 18 24 34 34 32 30 41 40 38 36 43 41 34 34 38 35  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC B1 B2 SC SC SC B2 B1 SC B2 SC SC B1  
POP 12HR 70 20 5 0 0 5 5 5  
SNOWSHWRS C L S  
 
 
ILZ008-152100-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
115 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 18 22 5 24  
TEMP 39 41 51 55 57 44 32 28 23 18 18 20 20 16 13 10 7 5 11 19 24 22  
DEWPT 32 36 49 52 53 41 28 24 19 15 14 14 13 8 5 3 2 0 4 7 9 10  
RH 76 82 93 90 86 89 85 85 84 88 84 77 74 70 70 73 79 79 73 59 52 59  
WIND DIR SE S S S SW NW N N NW NW NW NW NW NW NW NW NW W W W SW S  
WIND SPD 16 16 19 20 20 26 25 29 31 31 28 26 23 20 16 12 10 8 8 8 8 6  
WIND GUST 26 35 36 33 40 37 43 46 44 41 39 34  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 SC SC FW FW SC B1 B2  
POP 12HR 100 100 60 0 0  
QPF 12HR 0.50 0.59 0.08 0 0  
SNOW 12HR 00-00 3 1  
RAIN SHWRS S S L D D D  
SLEET C  
SNOW D D D L L S  
SNOWSHWRS L  
TSTMS S S S S  
OBVIS BS BS BS BS BS BS BS  
WIND CHILL 30 33 34 18 12 5 -1 -1 2 4 -1 -4 -5 -7 -7 0 9 15 14  
MIN CHILL 29 35 34 12 -1 -2 -1 -5 -8 -6 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 19 43 29 55 36 59 39 63  
TEMP 24 26 39 38 33 31 50 49 42 39 55 54 43 40 59 56  
DEWPT 19 26 33 33 30 31 40 42 38 37 42 42 35 35 39 39  
PWIND DIR S SW SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC B1 B1 SC SC B2 B2 B1 B1 B2 B1 SC B2  
POP 12HR 80 20 0 0 0 5 0 5  
RAIN SHWRS S  
SNOWSHWRS L D S  
 
 
ILZ011-152100-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
115 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 22 6 23  
TEMP 37 39 51 55 57 48 35 28 23 19 20 20 21 16 13 11 8 6 12 19 23 20  
DEWPT 31 35 48 52 54 46 31 25 20 16 16 15 14 10 8 5 3 1 5 8 9 10  
RH 79 85 89 90 90 93 85 88 88 88 84 81 74 77 80 76 79 79 73 61 54 64  
WIND DIR SE S S S S W N NW NW NW NW NW NW NW NW NW NW W W W SW S  
WIND SPD 18 17 20 24 26 25 24 29 31 31 31 26 27 23 19 14 12 10 10 10 9 6  
WIND GUST 28 37 40 40 37 37 43 46 44 43 39 37  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC FW FW SC B1 SC  
POP 12HR 100 100 70 0 0  
QPF 12HR 0.55 0.62 0.08 0 0  
SNOW 12HR 00-00 3 1  
RAIN C  
RAIN SHWRS S S L L D D  
SLEET D  
SNOW D D D L L C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 27 30 22 13 6 0 0 3 3 -2 -4 -5 -8 -8 -1 7 14 12  
MIN CHILL 26 33 13 0 -1 -2 -5 -9 -7 10  
 
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 42 30 54 35 59 38 61  
TEMP 23 26 39 38 33 31 49 48 42 38 55 53 42 39 57 53  
DEWPT 19 25 34 34 32 31 40 41 38 37 43 42 35 34 39 37  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC B1 B1 SC SC B1 B2 B1 B1 B2 B1 SC B1  
POP 12HR 80 20 5 0 0 5 5 5  
RAIN SHWRS S  
SNOWSHWRS C D S  
 
 
ILZ010-152100-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
115 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 18 22 5 25  
TEMP 40 42 52 55 57 42 32 27 23 19 18 20 20 16 12 10 7 6 11 19 24 22  
DEWPT 33 38 49 52 54 38 28 24 19 15 14 14 12 9 6 4 3 1 5 8 10 12  
RH 76 86 89 90 90 86 85 88 84 84 84 77 71 73 76 76 83 79 76 61 54 65  
WIND DIR SE S S S SW NW N NW NW NW NW NW NW NW NW NW W W W W SW S  
WIND SPD 16 16 19 18 19 27 25 29 31 31 28 26 23 21 17 12 10 8 6 8 8 6  
WIND GUST 26 35 33 34 41 37 43 47 43 41 39 33  
CLOUDS OV OV B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 SC SC FW FW SC B1 B2  
POP 12HR 100 100 60 0 0  
QPF 12HR 0.50 0.57 0.08 0 0  
SNOW 12HR 00-00 3 1  
RAIN SHWRS S S L D D D  
SNOW D D D L L S  
SNOWSHWRS L  
TSTMS S S S S  
OBVIS BS BS BS BS BS BS BS  
WIND CHILL 31 35 32 18 11 4 0 -1 2 4 -2 -5 -5 -7 -7 0 9 15 14  
MIN CHILL 29 37 32 10 -1 -2 -2 -6 -8 -6 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 19 43 29 57 36 61 39 64  
TEMP 24 27 40 39 33 32 51 50 42 39 56 55 43 40 60 58  
DEWPT 20 26 35 35 31 31 42 43 39 38 44 43 36 36 41 40  
PWIND DIR S SW SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV SC SC B1 B1 SC SC B1 B1 B1 B1 B2 B1 SC B2  
POP 12HR 80 20 0 0 0 0 0 5  
RAIN SHWRS S  
SNOWSHWRS L D S  
 
 
ILZ012-152100-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
115 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 24 9 24  
TEMP 38 40 53 56 57 53 38 31 26 21 21 22 22 19 16 13 10 9 14 20 24 21  
DEWPT 30 35 48 52 53 50 35 27 22 17 16 15 14 11 9 6 4 2 5 7 8 9  
RH 73 82 83 86 86 89 89 85 85 84 81 74 71 70 73 73 76 72 67 56 50 59  
WIND DIR SE S S S S SW N NW NW NW NW NW NW NW NW NW NW W W W W SW  
WIND SPD 16 16 20 23 24 26 23 27 31 31 31 27 26 24 19 14 12 10 10 10 9 6  
WIND GUST 27 35 41 40 39 35 41 46 44 43 40 37 29  
CLOUDS OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW FW SC SC  
POP 12HR 100 100 80 0 0  
QPF 12HR 0.39 0.81 0.06 0 0  
SNOW 12HR 00-00 2 1  
RAIN D  
RAIN SHWRS S S L L D D  
SLEET D  
SNOW D D D D C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 28 32 28 17 9 2 3 4 5 2 -1 -3 -5 -5 1 9 14 13  
MIN CHILL 27 34 16 1 1 1 -3 -6 -4 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 20 44 31 55 36 59 38 61  
TEMP 24 26 41 40 35 32 51 49 42 39 55 54 42 39 58 53  
DEWPT 18 26 34 35 33 31 41 42 39 37 43 41 35 35 38 36  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC B1 B2 SC SC SC B2 B1 B1 B2 B1 SC B1  
POP 12HR 70 20 5 0 0 5 5 5  
SNOWSHWRS C L S  
 
 
ILZ020-152100-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
115 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 21 24 10 25  
TEMP 39 41 54 57 59 52 38 31 26 21 21 22 22 19 16 13 11 10 15 21 25 22  
DEWPT 32 37 49 53 54 49 34 27 22 17 17 16 15 12 9 6 4 3 6 7 8 9  
RH 76 85 83 86 83 89 85 85 85 84 84 77 74 74 73 73 73 73 67 54 48 57  
WIND DIR SE S S S S SW NW NW NW NW NW NW NW NW NW NW NW NW W W SW S  
WIND SPD 16 16 20 24 25 25 23 27 31 29 29 26 25 23 19 16 13 11 10 10 8 6  
WIND GUST 27 35 41 41 39 35 41 46 44 42 39 37  
CLOUDS OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW FW SC SC  
POP 12HR 90 100 70 0 0  
QPF 12HR 0.31 0.76 0.04 0 0  
SNOW 12HR 00-00 2 1  
RAIN D  
RAIN SHWRS S S L L D D  
SLEET D  
SNOW D D L L C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 31 33 26 16 9 3 3 5 6 1 -1 -3 -4 -4 3 10 16 13  
MIN CHILL 30 36 16 3 2 1 -3 -5 -3 12  
 
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 31 57 37 61 39 63  
TEMP 24 27 42 40 34 32 52 51 43 39 57 55 44 40 60 55  
DEWPT 19 26 35 35 33 31 43 44 40 38 44 42 37 35 40 38  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC B1 B2 SC FW SC B2 B1 B1 B2 B1 SC B2  
POP 12HR 70 20 0 0 0 5 5 5  
SNOWSHWRS C L S  
 
 
ILZ013-152100-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
115 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 25 11 25  
TEMP 38 41 53 56 58 55 41 33 27 23 22 23 23 20 17 15 12 11 15 21 25 23  
DEWPT 30 35 47 52 53 52 37 29 23 18 16 14 14 11 9 6 4 3 4 6 6 8  
RH 73 79 80 86 83 90 85 85 85 81 77 68 68 67 70 67 70 69 61 52 44 52  
WIND DIR SE S S S S SW N NW NW NW NW NW NW NW NW NW NW W W W W SW  
WIND SPD 16 16 20 23 23 25 21 26 29 31 29 27 25 23 18 14 12 10 10 10 9 6  
WIND GUST 27 37 41 41 37 34 40 46 44 42 40 37 28  
CLOUDS OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC FW FW FW SC SC  
POP 12HR 100 100 80 5 0  
QPF 12HR 0.32 0.85 0.05 0 0  
SNOW 12HR 00-00 2 1  
RAIN D  
RAIN SHWRS S S C L D D  
SLEET D  
SNOW D D D D C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 29 33 31 19 11 5 5 5 7 3 1 0 -3 -3 3 10 16 14  
MIN CHILL 28 35 19 5 3 3 0 -4 -2 12  
 
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 32 56 37 58 39 60  
TEMP 25 27 40 41 36 34 51 50 43 40 55 54 43 40 58 52  
DEWPT 18 26 33 34 33 32 41 41 39 38 42 40 35 35 38 35  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC SC B2 SC SC SC B1 B1 B1 B2 B1 SC B1  
POP 12HR 70 20 5 0 0 5 5 5  
SNOWSHWRS C L S  
 
 
ILZ019-152100-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
115 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 20 23 10 26  
TEMP 42 45 56 58 59 49 37 30 25 21 20 21 22 18 15 13 11 10 15 21 26 22  
DEWPT 34 40 50 53 54 45 33 26 21 16 16 16 14 10 7 5 3 2 5 7 8 9  
RH 73 82 80 83 83 86 85 85 84 81 84 81 71 70 70 70 69 69 64 54 46 57  
WIND DIR SE S S S S SW NW NW NW NW NW NW NW NW NW NW NW W W W SW S  
WIND SPD 16 17 23 25 26 27 25 27 31 31 31 26 26 24 19 16 13 10 9 9 8 6  
WIND GUST 28 39 41 41 41 37 41 47 44 42 40 37  
CLOUDS OV B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC FW FW FW SC B1  
POP 12HR 90 100 70 0 0  
QPF 12HR 0.28 0.54 0.04 0 0  
SNOW 12HR 00-00 2 1  
RAIN D  
RAIN SHWRS L L D D  
SLEET C  
SNOW D D D L L S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS BS  
WIND CHILL 34 37 25 16 8 2 2 3 5 0 -2 -3 -5 -4 3 11 17 14  
MIN CHILL 32 15 2 1 0 -3 -5 -3 13  
 
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 47 32 60 38 62 41 66  
TEMP 25 28 43 41 35 34 54 53 44 40 58 57 46 42 62 59  
DEWPT 19 26 35 36 32 31 42 44 40 38 44 42 38 36 41 39  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 FW B1 B2 SC SC B1 B2 SC B1 B2 SC SC B1  
POP 12HR 70 20 0 0 0 0 0 5  
RAIN SHWRS S  
SNOWSHWRS C L S  
 
 
ILZ106-152100-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
115 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 25 11 26  
TEMP 40 43 56 58 59 55 40 33 27 23 22 23 24 21 18 15 13 12 16 22 26 22  
DEWPT 32 38 50 53 54 51 37 29 24 19 17 16 15 13 10 7 5 4 6 7 8 10  
RH 73 82 80 83 83 86 89 85 88 84 81 74 68 71 70 70 70 70 64 52 46 59  
WIND DIR SE S S S S SW NW NW NW NW NW NW NW NW NW NW NW W W W W SW  
WIND SPD 16 17 20 24 24 25 21 26 29 29 28 26 25 23 19 14 12 10 10 10 9 5  
WIND GUST 27 39 41 42 39 35 39 46 44 41 40 37  
CLOUDS OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW FW SC SC  
POP 12HR 90 100 80 5 0  
QPF 12HR 0.30 0.76 0.03 0 0  
SNOW 12HR 00-00 1 1  
RAIN D  
RAIN SHWRS S C C D D  
SNOW D D D D C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 32 35 30 19 11 6 5 6 8 4 2 -1 -2 -2 4 11 17 15  
MIN CHILL 31 38 19 6 5 4 -1 -3 -1 14  
 
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 46 32 58 38 60 40 62  
TEMP 25 28 42 41 36 34 53 52 44 40 56 55 45 41 59 55  
DEWPT 19 26 35 36 34 33 43 44 41 39 44 42 38 36 40 38  
PWIND DIR S SW W SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 SC SC B2 SC SC SC B1 B1 B1 B2 SC SC B1  
POP 12HR 70 20 0 0 0 5 5 5  
SNOWSHWRS C L S  
 
 
ILZ023-152100-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
115 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 22 25 11 26  
TEMP 42 44 57 63 61 56 42 34 28 23 22 24 24 22 18 16 13 12 16 23 26 23  
DEWPT 32 39 50 52 53 53 40 29 25 20 18 17 17 14 10 7 5 3 6 7 8 11  
RH 67 82 77 67 75 90 93 82 88 88 84 74 74 71 70 67 70 66 64 50 46 59  
WIND DIR SE S S S S SW SW NW W W NW NW NW W NW NW NW NW W W W SW  
WIND SPD 14 16 23 27 27 27 20 25 28 28 26 26 23 21 18 14 12 10 9 9 8 4  
WIND GUST 28 42 44 46 41 34 36 42 42 37 39 34  
CLOUDS OV B2 B1 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC FW SC SC  
POP 12HR 90 100 70 5 0  
QPF 12HR 0.20 0.63 0.03 0 0  
SNOW 12HR 00-00 1 T  
RAIN D  
RAIN SHWRS C C L D  
SNOW L L L L C S  
SNOWSHWRS C  
TSTMS S S S S  
OBVIS BS BS BS BS BS  
WIND CHILL 34 37 32 21 12 6 5 8 9 6 2 0 -2 -2 4 13 18 17  
MIN CHILL 33 21 6 5 5 0 -3 -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 22 47 32 59 38 62 40 63  
TEMP 25 27 43 42 35 33 54 52 44 40 58 55 45 41 61 55  
DEWPT 17 25 36 37 34 32 44 45 41 39 45 43 38 36 41 38  
PWIND DIR S SW SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 SC SC SC B1 B1 B1 B1 SC SC B1  
POP 12HR 60 20 0 0 0 0 5 0  
SNOWSHWRS C L S  
 
 
ILZ033-152100-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
115 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 23 26 11 27  
TEMP 43 46 58 65 62 57 42 34 28 23 23 25 25 21 17 15 13 11 16 24 27 23  
DEWPT 33 40 49 51 52 52 40 29 23 17 17 15 15 12 8 6 3 1 4 6 7 9  
RH 67 79 72 60 70 83 93 82 81 77 77 65 65 68 67 67 63 63 58 45 42 54  
WIND DIR SE S S S S S SW NW W W NW W W W W NW NW NW W W W SW  
WIND SPD 13 17 25 31 29 27 20 23 27 28 26 25 24 21 18 14 13 10 10 10 8 4  
WIND GUST 29 44 47 48 41 34 35 41 42 39 37 35  
CLOUDS B2 OV B1 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 FW SC SC  
POP 12HR 80 100 60 5 0  
QPF 12HR 0.14 0.48 0.02 0 0  
SNOW 12HR 00-00 1 T  
RAIN D C  
RAIN SHWRS S C L D  
SNOW L L L L C S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS BS BS  
WIND CHILL 36 39 32 22 12 6 6 9 9 5 1 0 -2 -2 4 13 19 17  
MIN CHILL 35 21 6 5 4 0 -3 -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 49 32 61 38 63 41 65  
TEMP 26 27 45 43 36 33 55 54 44 40 60 56 47 42 63 57  
DEWPT 15 23 34 36 33 31 43 44 41 38 44 42 38 36 40 37  
PWIND DIR S SW SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC FW SC B1 B1 B1 B1 SC SC B1  
POP 12HR 60 20 0 0 0 0 5 0  
SNOWSHWRS C L S  
 
 
ILZ039-152100-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
115 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 22 25 10 28  
TEMP 45 47 58 64 61 55 39 32 26 22 22 24 24 19 16 14 11 11 16 24 28 24  
DEWPT 35 43 51 52 53 51 38 28 23 17 17 17 16 12 8 5 3 2 5 7 8 11  
RH 68 86 77 65 75 86 96 85 88 81 81 74 71 74 70 67 69 66 61 47 42 57  
WIND DIR S S S S S SW SW W W W NW NW W W NW NW NW NW W W W S  
WIND SPD 16 19 27 32 31 28 24 23 28 29 28 26 27 23 20 17 14 12 11 10 9 6  
WIND GUST 32 46 48 49 42 35 37 42 43 41 40 37  
CLOUDS B2 B2 B1 B2 OV B2 OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW SC SC  
POP 12HR 90 100 50 5 0  
QPF 12HR 0.17 0.51 0.02 0 0  
SNOW 12HR 00-00 1 T  
RAIN D  
RAIN SHWRS C C C D  
SNOW L L C C S S  
SNOWSHWRS C  
TSTMS S S S  
OBVIS BS  
WIND CHILL 38 29 19 10 4 5 7 7 3 -2 -3 -5 -5 3 13 19 16  
MIN CHILL 36 19 4 3 2 -3 -6 -3 16  
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 22 51 32 62 39 64 41 68  
TEMP 26 28 47 45 36 34 57 55 45 41 61 58 48 42 65 60  
DEWPT 17 24 36 38 34 32 44 45 42 39 46 44 40 37 42 40  
PWIND DIR S SW SW SW SW W W NW  
WIND CHAR GN BZ LT LT LT GN GN GN  
AVG CLOUDS B2 OV B1 FW SC B1 SC FW SC B1 SC SC B2 B1 SC B1  
POP 12HR 60 20 0 0 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS C L S  
 
 
INZ001-152100-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
115 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 26 12 26  
TEMP 40 42 56 62 61 58 45 35 31 25 24 24 24 22 19 16 14 13 17 22 26 22  
DEWPT 30 35 48 51 52 55 42 32 27 20 18 16 15 13 10 7 5 4 5 6 6 8  
RH 67 76 74 67 72 90 89 89 85 81 77 71 68 68 67 67 67 67 58 49 42 54  
WIND DIR SE S S S S SW SW NW W W W W W W NW NW NW W W W W SW  
WIND SPD 16 17 23 26 27 26 20 23 27 28 26 26 24 21 19 16 14 12 11 10 9 5  
WIND GUST 26 28 42 44 47 40 33 35 41 42 37 40 35  
CLOUDS OV OV SC B2 OV OV OV OV OV OV B2 OV OV OV B2 B2 B1 SC SC FW SC B1  
POP 12HR 80 100 70 20 0  
QPF 12HR 0.10 0.79 0.03 0.01 0  
SNOW 12HR 00-00 1 T  
RAIN D D  
RAIN SHWRS S C L D  
SNOW C D L L C C  
SNOWSHWRS S S S  
TSTMS S S S  
OBVIS BS BS BS BS  
WIND CHILL 31 33 36 24 16 8 7 7 8 6 3 1 -1 -2 4 12 17 15  
MIN CHILL 30 36 23 8 7 5 1 -2 -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 32 57 37 57 39 60  
TEMP 24 27 41 40 36 34 53 50 42 40 55 51 44 40 57 50  
DEWPT 16 25 34 35 33 32 42 43 39 38 43 41 37 35 40 36  
PWIND DIR S S SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 B1 SC SC B2 B1 B1 B2 B1 SC SC  
POP 12HR 60 20 5 0 5 5 5 5  
SNOWSHWRS S L S  
 
 
INZ010-152100-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
115 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 23 26 12 27  
TEMP 42 46 58 64 62 57 43 35 29 24 23 24 24 21 18 15 14 12 16 23 27 22  
DEWPT 33 39 50 51 52 53 42 31 25 19 18 17 16 14 9 7 4 2 5 7 7 10  
RH 70 76 75 63 70 86 96 85 85 81 81 74 71 74 67 70 64 63 61 50 42 59  
WIND DIR SE S S S S SW SW W W W W W W W W NW NW W W W W SW  
WIND SPD 13 17 26 29 28 28 20 21 24 28 26 25 23 21 18 14 13 11 10 10 8 4  
WIND GUST 24 29 46 47 47 41 34 33 36 42 39 37 34  
CLOUDS B2 OV B1 B1 OV OV OV OV OV OV B2 B2 OV B2 B2 B2 B1 B1 B1 FW SC SC  
POP 12HR 80 100 60 10 0  
QPF 12HR 0.10 0.46 0.02 0 0  
SNOW 12HR 00-00 T T  
RAIN D L  
RAIN SHWRS S C C D  
SNOW C L L L C S  
SNOWSHWRS S  
TSTMS S S S  
OBVIS BS BS BS BS  
WIND CHILL 35 38 34 24 15 7 6 8 8 5 2 0 -1 -2 4 12 19 16  
MIN CHILL 34 24 7 6 5 0 -3 -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 47 32 59 39 62 41 64  
TEMP 26 27 43 42 36 34 55 53 44 41 59 55 47 42 62 56  
DEWPT 14 23 35 37 33 32 43 44 41 38 45 43 39 36 40 38  
PWIND DIR S S SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC FW SC B1 B1 B1 B1 SC SC B1  
POP 12HR 60 20 0 0 0 0 5 0  
SNOWSHWRS S L S  
 
 
INZ011-152100-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
115 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 13 27  
TEMP 42 44 58 63 63 58 45 36 31 25 25 25 25 22 19 17 15 13 17 23 27 23  
DEWPT 31 37 49 51 52 55 44 32 28 20 19 17 17 15 11 8 5 3 5 7 8 9  
RH 65 76 72 65 67 90 96 85 88 81 78 71 71 74 70 67 64 63 58 50 44 54  
WIND DIR SE S S S S S S W W W W W W W W NW NW W W W W SW  
WIND SPD 14 16 25 28 27 27 21 20 24 28 26 25 23 23 19 16 14 12 11 10 8 4  
WIND GUST 27 44 46 48 41 33 32 36 42 37 37 34  
CLOUDS OV OV B1 B1 OV OV OV OV OV OV B2 B2 OV OV B2 B2 B1 SC SC SC SC B1  
POP 12HR 70 100 60 10 0  
QPF 12HR 0.06 0.49 0.02 0 0  
SNOW 12HR 00-00 T T  
RAIN D L  
RAIN SHWRS C C D  
SNOW L L L C S  
SNOWSHWRS S  
TSTMS S S S  
OBVIS BS BS BS  
WIND CHILL 34 37 37 26 18 9 8 9 9 6 3 2 -1 -1 4 13 18 17  
MIN CHILL 33 39 25 9 7 5 2 -2 -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 22 46 32 59 38 61 41 63  
TEMP 26 27 42 41 35 34 54 52 44 40 59 54 46 42 61 54  
DEWPT 15 24 34 37 33 32 43 44 41 39 45 43 39 36 40 37  
PWIND DIR S S SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B2 B1 FW SC B1 B1 B1 B1 B1 SC B1  
POP 12HR 60 20 0 0 5 0 5 5  
SNOWSHWRS S L S  
 
 
INZ019-152100-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
215 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 63 23 26 13 27  
TEMP 42 45 57 63 62 58 43 36 30 25 23 24 24 21 18 16 14 13 17 23 27 23  
DEWPT 34 40 50 53 53 54 43 31 26 20 19 17 17 15 10 7 5 3 6 8 8 10  
RH 73 82 77 70 72 86100 82 85 81 84 74 74 77 70 67 67 63 61 52 44 57  
WIND DIR SE S S S S S S W W W W W W W W W NW W W W W SW  
WIND SPD 13 18 26 29 29 27 21 20 23 27 26 25 24 21 19 17 14 12 10 10 8 4  
WIND GUST 24 29 46 47 48 41 34 32 35 41 37 37 35  
CLOUDS B2 B2 B1 B1 OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 FW SC B1  
POP 12HR 80 100 50 5 0  
QPF 12HR 0.07 0.49 0.02 0 0  
SNOW 12HR 00-00 T T  
RAIN D L  
RAIN SHWRS C C D  
SNOW L C C C S  
SNOWSHWRS S  
TSTMS S S S  
OBVIS BS  
WIND CHILL 35 38 35 24 16 8 6 8 8 5 1 1 -2 -1 4 12 18 17  
MIN CHILL 34 24 8 6 5 0 -2 0 14  
WIND Y Y Y Y  
 
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 47 33 59 40 62 42 64  
TEMP 27 28 43 43 36 34 54 53 45 41 59 56 48 43 62 56  
DEWPT 15 24 35 38 34 32 44 45 41 39 46 44 40 37 41 38  
PWIND DIR S S SW SW SW W W NW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 OV B2 SC SC B1 SC FW SC B1 B1 B1 B1 SC SC B1  
POP 12HR 50 20 0 0 0 0 5 0  
RAIN SHWRS S  
SNOWSHWRS S C S  
 
 
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