829  
FOUS53 KLOT 172315  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
615 PM CDT FRI APR 17 2026  
 
ILZ104-180900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 44 53 36 51 34  
TEMP 76 67 62 58 47 46 50 51 47 43 40 38 37 47 49 50 46 41 38 36 34  
DEWPT 62 60 60 53 41 34 32 30 28 28 28 27 28 27 28 28 27 27 27 27 27  
RH 62 78 93 83 79 63 50 44 47 55 62 64 70 45 44 42 47 57 64 69 75  
WIND DIR S S SW W NW NW W W W W W W W W W NW NW N N N NE  
WIND SPD 19 17 14 16 17 17 18 19 16 10 6 6 6 12 16 14 10 5 4 3 3  
WIND GUST 31  
CLOUDS B2 OV OV B2 OV B1 SC SC SC FW CL FW FW SC B1 B1 SC FW CL FW FW  
POP 12HR 100 20 0 10 0  
QPF 12HR 0.76 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L D D C  
TSTMS L D  
WIND CHILL 38 37 32 31  
MIN CHILL 37 35 30 34 35 31  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 46 72 49 69 53 78 60 75  
TEMP 51 53 48 48 69 67 56 50 68 64 57 55 76 74 65 62 72 69  
DEWPT 26 29 33 39 48 47 45 43 46 45 48 49 54 53 55 55 58 56  
PWIND DIR SE S SW NW E SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS FW SC B1 B1 B1 SC SC SC FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 0 0 5 5 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ003-180900-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 40 50 31 50 28  
TEMP 72 63 58 46 40 41 45 47 43 37 34 32 32 43 47 48 45 37 33 30 29  
DEWPT 62 60 54 41 32 30 28 27 26 26 26 25 26 27 28 26 25 24 23 23 24  
RH 71 90 86 83 73 65 51 45 51 64 72 75 78 53 47 42 45 59 66 75 81  
WIND DIR S S W NW NW NW W W W W W W SW W W NW NW NW NW N E  
WIND SPD 20 17 14 18 18 19 19 20 16 10 6 6 8 12 16 16 10 5 3 2 3  
WIND GUST 32  
CLOUDS B2 B2 OV B2 B1 SC SC FW FW CL FW FW FW B1 B1 SC FW FW FW CL FW  
POP 12HR 90 0 0 10 0  
QPF 12HR 0.86 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L  
TSTMS L L  
WIND CHILL 38 31 31 37 39 36 30 28 25 25 36  
MIN CHILL 31 31 36 28 24 28 30 28  
FLOOD A A A A  
TORNADO A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 56 45 73 46 72 53 79 59 73  
TEMP 50 55 46 47 69 68 53 47 69 66 56 55 76 75 63 61 71 68  
DEWPT 26 33 35 40 50 51 46 42 48 50 48 50 57 57 57 56 59 55  
PWIND DIR S S SW NW SE SE S S S  
WIND CHAR LT GN GN LT GN GN GN GN GN  
AVG CLOUDS FW SC SC B1 SC FW SC FW FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 0 0 5 5 5 10 20 50 50  
RAIN SHWRS S C C C C  
TSTMS S S  
 

 
ILZ104-180900-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 45 53 37 51 35  
TEMP 76 67 62 59 48 46 49 50 47 43 41 38 38 45 49 49 45 42 39 36 35  
DEWPT 61 60 61 56 43 36 33 31 30 29 29 29 29 28 29 29 29 29 28 27 28  
RH 60 78 97 90 83 68 54 48 51 57 62 70 70 51 46 46 53 60 64 69 75  
WIND DIR S S SW SW NW NW W W W W W W SW W W NW N N N N NE  
WIND SPD 20 17 14 16 16 16 17 18 16 13 10 9 9 11 14 14 10 8 5 5 5  
WIND GUST 32 27  
CLOUDS B2 B2 OV OV OV B1 SC SC SC FW CL FW FW SC B1 B1 SC FW FW FW FW  
POP 12HR 100 20 0 20 0  
QPF 12HR 1.08 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C D D C S S S  
TSTMS C D C  
WIND CHILL 39 36 35 32 31 39  
MIN CHILL 38 35 31 33 34 30  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 54 47 72 50 66 53 77 60 75  
TEMP 50 52 48 48 68 66 57 50 65 60 57 55 75 73 65 62 72 69  
DEWPT 26 30 35 39 48 48 46 44 47 46 48 49 53 53 55 55 57 56  
PWIND DIR SE S SW W NE SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS FW SC SC B1 B1 SC SC SC FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 0 0 5 5 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ021-180900-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 44 53 34 53 32  
TEMP 77 66 63 55 45 46 49 50 46 41 37 35 35 47 51 52 48 41 37 33 32  
DEWPT 63 62 61 52 40 36 35 33 30 29 29 29 29 30 31 32 30 29 28 27 27  
RH 62 87 93 90 82 68 58 52 53 62 72 78 78 51 46 46 49 62 70 78 81  
WIND DIR S S SW W NW NW NW W NW W W W SW W W NW NW N N N NE  
WIND SPD 20 17 14 16 17 17 18 19 16 9 6 6 6 12 17 16 10 5 3 3 3  
WIND GUST 32  
CLOUDS B1 B2 B2 OV B2 B1 SC SC SC FW CL FW FW SC B1 SC FW FW FW CL CL  
POP 12HR 100 20 0 10 0  
QPF 12HR 1.04 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C D D C S  
TSTMS C D  
WIND CHILL 38 39 39 35 29  
MIN CHILL 38 37 39 32 28 33 34 29  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 57 46 75 51 76 54 82 61 77  
TEMP 52 56 48 48 71 71 58 51 73 70 58 57 79 77 66 63 74 71  
DEWPT 28 33 35 40 51 51 47 46 53 52 50 51 58 57 57 57 61 59  
PWIND DIR SE S SW W SE SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS FW FW SC B1 SC SC SC SC FW FW FW SC SC SC SC B2 B2 B2  
POP 12HR 0 0 5 10 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ006-180900-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 42 51 34 49 32  
TEMP 69 64 60 52 43 44 47 49 45 40 37 35 36 44 46 47 43 38 35 34 34  
DEWPT 58 57 58 48 37 33 32 30 28 28 27 27 27 28 30 30 28 27 27 28 27  
RH 68 78 93 86 79 65 56 48 51 62 67 72 69 53 53 51 55 64 72 78 75  
WIND DIR S SW SW W NW NW W W W W W W W W NW NW NW NW N N NE  
WIND SPD 19 14 12 14 16 16 16 17 14 10 8 8 8 11 13 12 8 5 4 3 3  
WIND GUST 31  
CLOUDS B2 OV OV OV OV SC SC SC SC FW FW FW FW SC B1 SC SC FW FW FW CL  
POP 12HR 100 10 0 10 0  
QPF 12HR 0.93 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D L C  
TSTMS L D  
WIND CHILL 35 36 38 33 31 28 29 38  
MIN CHILL 35 34 38 31 28 32 38 31 30  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 49 42 68 44 57 48 71 55 69  
TEMP 46 47 46 46 64 61 51 45 57 53 51 51 68 66 60 56 66 62  
DEWPT 28 30 34 39 48 47 44 40 44 44 45 47 53 52 53 52 55 53  
PWIND DIR SE S SW N E SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS FW SC B1 B1 B1 SC SC SC FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 0 0 0 5 0 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ021-180900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 43 53 34 55 31  
TEMP 77 67 63 56 45 46 50 51 47 41 38 35 35 48 53 54 50 42 37 33 32  
DEWPT 63 61 61 53 41 37 36 33 31 30 30 29 30 31 32 32 30 30 28 27 27  
RH 62 81 93 90 86 71 58 50 53 65 73 78 82 51 44 43 46 62 70 78 81  
WIND DIR S S SW W NW NW NW NW NW W W SW SW W W NW NW N N N NE  
WIND SPD 20 18 17 16 18 18 19 20 17 10 6 6 6 13 18 18 12 5 3 2 3  
WIND GUST 32  
CLOUDS B2 B2 B2 B2 B2 B1 SC SC SC CL CL FW FW FW SC SC FW FW FW FW CL  
POP 12HR 100 20 0 5 0  
QPF 12HR 1.17 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C D D L S  
TSTMS C D  
WIND CHILL 38 38 35 32 29 29  
MIN CHILL 37 36 31 28 32 32 28  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 59 47 76 52 79 56 83 61 77  
TEMP 54 57 48 49 72 72 58 52 76 73 60 58 80 77 66 63 74 71  
DEWPT 29 34 36 40 50 51 48 47 55 54 52 52 58 58 57 57 62 59  
PWIND DIR SE S SW SW SW SE S S S  
WIND CHAR LT GN BZ GN GN GN BZ GN BZ  
AVG CLOUDS CL FW FW SC SC SC SC SC FW FW FW FW FW SC SC B1 B1 B2  
POP 12HR 0 0 5 10 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS S S S  
 

 
INZ002-180900-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 45 55 35 50 31  
TEMP 75 69 63 61 52 46 49 51 46 42 39 37 36 45 50 48 45 38 35 32 34  
DEWPT 61 62 61 59 51 41 37 34 31 30 28 28 28 28 29 30 30 31 30 29 28  
RH 62 78 93 93 96 83 63 52 55 62 64 70 72 51 44 49 55 76 82 88 78  
WIND DIR S S SW SW W NW NW W W W W W SW W W NW N N N N NE  
WIND SPD 18 14 14 14 13 13 13 14 12 10 8 6 8 11 13 13 9 5 3 3 4  
WIND GUST 29 25 25  
CLOUDS B1 B2 OV OV OV B2 B1 SC SC SC FW FW FW SC B1 B1 SC FW FW CL CL  
POP 12HR 90 40 0 20 5  
QPF 12HR 0.77 0.03 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L D C C S S  
TSTMS L C  
WIND CHILL 35 33 31 29  
MIN CHILL 33 29 32 32 28  
FLOOD A A A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 54 43 72 50 72 53 79 59 76  
TEMP 50 51 45 46 68 66 56 50 69 65 57 55 76 74 65 61 73 70  
DEWPT 26 30 33 37 48 49 46 45 51 51 49 50 55 54 54 55 59 57  
PWIND DIR SE S SW W NE SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS FW FW SC B1 B1 SC SC SC FW FW FW SC SC FW SC B1 B2 B2  
POP 12HR 0 0 5 10 5 10 10 40 50  
RAIN SHWRS S C C C  
TSTMS S S  
 

 
ILZ005-180900-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 41 49 32 48 29  
TEMP 72 64 60 49 41 42 46 48 45 38 34 32 33 44 46 48 45 37 33 31 30  
DEWPT 62 58 59 46 35 32 31 30 28 27 26 26 26 28 29 28 27 25 25 25 25  
RH 71 81 96 89 79 67 55 49 51 64 72 78 75 53 51 46 49 61 72 78 81  
WIND DIR S SW SW NW NW NW W W W W W W W W W NW NW NW NW N E  
WIND SPD 19 17 14 17 19 19 19 20 17 10 6 6 6 12 16 14 10 5 3 2 2  
WIND GUST 31  
CLOUDS B2 OV OV OV B2 B1 SC SC SC FW FW FW FW B1 B1 SC FW FW CL FW CL  
POP 12HR 100 10 0 10 0  
QPF 12HR 0.91 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D L S  
TSTMS L D  
WIND CHILL 32 33 39 37 31 28 26 27 37 39 39  
MIN CHILL 32 31 36 28 25 29 39 30 29  
FLOOD A A A A  
TORNADO A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 53 43 71 45 69 50 77 59 73  
TEMP 49 52 46 46 67 66 53 46 68 64 55 54 75 73 63 60 71 68  
DEWPT 28 33 34 39 51 51 45 42 49 50 47 49 58 57 56 56 61 57  
PWIND DIR SE S SW NW E SE S S S  
WIND CHAR LT GN GN LT GN LT GN GN GN  
AVG CLOUDS FW SC B1 B1 SC SC SC FW FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 0 0 0 5 0 10 10 50 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ008-180900-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 40 50 32 51 29  
TEMP 72 63 58 46 41 43 47 49 45 39 36 33 32 44 48 50 46 39 35 31 30  
DEWPT 62 60 53 41 32 30 29 27 26 26 26 26 26 27 29 27 26 25 23 23 24  
RH 71 90 83 83 70 60 49 42 47 59 67 75 78 51 47 41 45 57 61 72 78  
WIND DIR S SW W NW NW NW NW W NW W W SW SW W W NW NW N N N E  
WIND SPD 20 14 13 16 17 18 18 18 14 8 5 5 6 11 14 14 9 4 2 2 2  
WIND GUST 32  
CLOUDS B2 OV OV B2 B1 SC SC FW FW CL CL FW FW B1 B1 SC FW FW CL CL FW  
POP 12HR 90 5 0 10 0  
QPF 12HR 0.72 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L S  
TSTMS L L  
WIND CHILL 32 35 39 38 33 26 38  
MIN CHILL 32 32 38 31 26 30 33 29  
FLOOD A A A A  
TORNADO A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 57 46 73 48 73 53 79 59 73  
TEMP 52 54 47 48 69 68 55 48 71 68 57 55 76 74 64 61 71 67  
DEWPT 27 34 36 40 50 52 46 44 50 52 48 50 57 57 57 56 59 55  
PWIND DIR SE S SW S SE SE S S S  
WIND CHAR LT GN GN LT GN LT GN GN GN  
AVG CLOUDS FW FW SC SC B1 SC SC FW FW FW FW FW SC SC B1 B1 B2 B2  
POP 12HR 0 0 5 5 5 10 20 50 50  
RAIN SHWRS S C C C C  
TSTMS S S  
 

 
ILZ011-180900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 41 50 32 50 30  
TEMP 72 63 60 49 41 43 47 48 45 39 35 33 34 45 48 50 45 38 34 31 30  
DEWPT 62 60 59 46 35 32 31 29 28 27 27 26 27 28 30 29 28 26 25 24 24  
RH 71 90 96 89 79 65 53 47 51 62 72 75 75 51 49 44 51 62 69 75 78  
WIND DIR S S SW NW NW NW W W W W W W SW W W NW NW N N N E  
WIND SPD 20 18 14 19 20 20 20 21 17 10 6 6 8 13 18 16 10 5 3 2 3  
WIND GUST 32  
CLOUDS B2 OV OV OV B2 B1 SC FW FW CL FW FW FW B1 B1 SC FW FW CL CL FW  
POP 12HR 100 10 0 10 0  
QPF 12HR 0.83 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D L S  
TSTMS L D  
WIND CHILL 32 34 37 32 29 26 27 38  
MIN CHILL 32 32 37 29 26 30 31 26  
FLOOD A A A A  
TORNADO A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 44 73 47 72 53 79 59 74  
TEMP 50 54 46 46 69 67 54 48 71 67 55 55 76 74 63 61 71 68  
DEWPT 28 33 35 39 51 51 46 43 50 51 48 50 58 57 57 56 61 57  
PWIND DIR SE S SW SW SE SE S S S  
WIND CHAR LT GN GN GN GN GN BZ GN BZ  
AVG CLOUDS FW FW SC B1 SC SC SC FW FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 0 0 5 5 5 10 10 50 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ010-180900-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 40 50 32 51 30  
TEMP 72 63 55 45 41 42 47 48 45 39 35 33 34 45 50 51 47 39 36 32 31  
DEWPT 63 61 52 40 33 31 29 29 27 28 28 27 28 29 31 29 28 26 25 24 25  
RH 73 93 90 82 73 65 49 47 49 64 75 78 78 53 48 42 47 59 64 72 78  
WIND DIR S SW NW NW NW NW W W NW W W SW SW W NW NW NW N N N E  
WIND SPD 19 14 13 16 16 17 18 18 14 8 5 5 5 10 14 14 9 5 2 2 2  
WIND GUST 32  
CLOUDS B2 OV B2 B2 B1 SC SC SC FW CL CL FW FW B1 B1 SC FW FW CL CL FW  
POP 12HR 90 5 0 10 0  
QPF 12HR 0.65 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D L S  
TSTMS L D  
WIND CHILL 38 32 34 38 28 39  
MIN CHILL 32 32 38 30 27 31 33 28  
FLOOD A A A A  
TORNADO A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 57 46 74 48 74 54 79 60 73  
TEMP 53 55 48 48 69 68 55 49 71 69 58 56 76 74 64 61 71 67  
DEWPT 28 35 37 41 51 53 47 45 52 54 50 51 58 59 58 57 60 56  
PWIND DIR SE S SW S SE SE S S S  
WIND CHAR LT GN GN LT GN LT GN GN GN  
AVG CLOUDS FW FW SC SC B1 FW FW FW FW FW FW SC SC SC B1 B1 B2 B2  
POP 12HR 0 0 5 5 5 10 20 50 50  
RAIN SHWRS S C C C C  
TSTMS S C S  
 

 
ILZ012-180900-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 42 51 33 50 31  
TEMP 75 65 62 53 43 44 48 50 46 40 37 34 33 45 49 50 46 39 35 32 31  
DEWPT 62 60 60 50 38 34 32 31 29 28 28 27 27 28 30 30 28 26 26 25 25  
RH 64 84 93 89 82 68 54 48 51 62 70 75 78 51 48 46 49 59 69 75 78  
WIND DIR S S SW W NW NW W W W W W W SW W W NW NW NW N N NE  
WIND SPD 20 18 14 18 19 19 19 20 17 11 8 6 8 13 17 16 11 6 4 3 3  
WIND GUST 32  
CLOUDS B2 OV OV OV OV SC SC SC FW FW FW FW FW SC B1 B1 SC FW FW FW CL  
POP 12HR 100 20 0 10 0  
QPF 12HR 0.96 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D L C  
TSTMS L D  
WIND CHILL 35 36 39 33 31 28 27 39  
MIN CHILL 35 34 39 31 26 30 31 27  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 45 73 48 72 52 79 60 75  
TEMP 51 54 46 47 69 68 55 49 71 67 56 55 77 75 64 62 72 69  
DEWPT 28 32 34 39 51 50 46 44 50 50 49 50 57 57 56 56 61 58  
PWIND DIR SE S SW W E SE S S S  
WIND CHAR LT GN GN LT GN LT GN GN GN  
AVG CLOUDS FW SC SC B1 B1 SC SC SC FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 0 0 5 5 0 10 10 50 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ020-180900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 43 51 33 52 31  
TEMP 76 65 62 53 44 44 49 50 46 41 37 34 35 46 50 51 47 40 36 33 32  
DEWPT 63 61 60 50 39 35 34 32 29 29 28 28 29 29 31 31 29 28 27 26 26  
RH 64 87 93 89 82 70 56 50 51 62 70 78 78 51 48 46 49 62 69 75 78  
WIND DIR S S SW W NW NW W W NW W W W SW W W NW NW N N N NE  
WIND SPD 20 17 14 17 18 18 18 19 16 10 6 6 6 12 17 16 10 5 4 3 3  
WIND GUST 32 27  
CLOUDS B2 OV OV OV B2 SC SC SC FW CL FW FW FW SC B1 SC FW FW FW CL CL  
POP 12HR 100 20 0 10 0  
QPF 12HR 0.71 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L D L C  
TSTMS L D  
WIND CHILL 36 36 39 34 31 27 29  
MIN CHILL 36 35 39 31 27 31 32 27  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 56 45 74 49 74 54 80 61 76  
TEMP 52 55 47 47 70 69 56 50 72 69 57 55 78 75 65 62 72 70  
DEWPT 28 33 35 40 51 51 47 45 52 51 49 50 58 57 57 57 61 58  
PWIND DIR SE S SW W SE SE S S S  
WIND CHAR LT GN GN GN GN GN GN GN BZ  
AVG CLOUDS FW FW SC B1 B1 SC SC SC FW FW FW SC SC SC SC B2 B1 B2  
POP 12HR 0 0 5 5 5 10 10 50 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ013-180900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 44 52 35 51 32  
TEMP 76 66 62 57 46 45 49 50 46 41 38 36 36 46 49 50 47 41 37 34 33  
DEWPT 62 60 61 53 40 34 32 31 28 28 28 28 28 27 29 29 27 27 26 25 26  
RH 62 81 97 86 79 65 52 48 49 59 67 72 72 47 46 44 45 57 64 69 75  
WIND DIR S S SW W NW NW W W W W W W SW W W NW NW NW N N NE  
WIND SPD 20 17 14 17 18 18 18 19 16 11 8 6 8 12 16 14 10 6 4 3 3  
WIND GUST 32 27 26  
CLOUDS B2 OV OV B2 B2 SC SC SC SC FW CL FW FW SC B1 B1 SC FW FW CL FW  
POP 12HR 100 20 0 10 0  
QPF 12HR 0.85 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L D D C  
TSTMS L D  
WIND CHILL 38 38 35 30 29  
MIN CHILL 38 36 39 33 28 32 33 29  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 46 73 49 72 53 79 61 76  
TEMP 51 54 48 48 69 68 57 50 71 66 57 55 77 75 66 62 73 70  
DEWPT 26 30 34 39 49 49 46 44 48 47 48 50 55 55 56 56 59 57  
PWIND DIR SE S SW W E SE S S S  
WIND CHAR LT GN GN GN GN LT GN GN GN  
AVG CLOUDS FW SC SC B1 B1 SC SC SC FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 0 0 5 5 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ019-180900-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 43 52 34 53 32  
TEMP 76 65 63 52 44 45 48 50 46 41 38 35 36 47 51 52 48 41 37 34 32  
DEWPT 63 61 59 48 38 34 32 31 28 28 28 28 29 29 30 30 29 27 26 25 26  
RH 64 87 87 86 79 65 54 48 49 59 67 75 75 49 44 43 47 57 64 69 78  
WIND DIR S S SW W NW NW NW W NW W W W SW W W NW NW N N N E  
WIND SPD 19 17 14 17 18 18 19 19 16 9 6 6 8 12 17 16 11 6 4 3 3  
WIND GUST 32  
CLOUDS B1 B2 B2 OV B2 B1 SC SC SC CL CL FW FW SC B1 SC FW FW FW CL CL  
POP 12HR 100 20 0 10 0  
QPF 12HR 0.89 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L D L C  
TSTMS L D  
WIND CHILL 37 37 39 35 32 29 30  
MIN CHILL 36 35 39 32 28 32 33 29  
FLOOD A A A A  
TORNADO A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 58 47 75 51 76 55 81 62 75  
TEMP 52 56 48 49 70 71 58 52 74 71 59 57 78 76 66 63 73 70  
DEWPT 27 33 35 39 50 50 47 45 52 52 49 50 57 56 56 56 60 57  
PWIND DIR SE S SW SW SE SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS FW FW FW B1 B1 SC SC SC SC FW FW SC SC SC SC B1 B2 B2  
POP 12HR 0 0 5 10 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS S S S  
 

 
ILZ106-180900-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 45 53 34 52 32  
TEMP 76 66 62 58 47 46 50 51 47 42 38 35 36 47 51 51 48 42 37 34 33  
DEWPT 63 61 61 55 42 37 35 33 30 29 29 29 30 30 31 31 29 28 27 26 27  
RH 64 84 97 90 83 71 56 50 51 60 70 78 79 51 46 46 47 57 67 72 78  
WIND DIR S S SW W NW NW W W NW W W W SW W W NW NW N N N NE  
WIND SPD 20 17 14 16 17 17 18 18 16 10 6 6 6 12 16 14 10 5 3 3 3  
WIND GUST 32  
CLOUDS B1 B2 B2 OV OV B1 SC SC SC FW CL FW FW SC B1 SC SC FW FW CL FW  
POP 12HR 100 20 0 10 0  
QPF 12HR 0.99 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C D D C S  
TSTMS C D  
WIND CHILL 39 36 30  
MIN CHILL 39 37 32 28 32 34 29  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 56 46 74 50 75 54 81 61 77  
TEMP 52 55 48 48 70 69 58 51 73 68 58 56 78 76 66 63 74 70  
DEWPT 28 32 35 40 51 51 47 46 52 51 50 51 58 57 57 58 61 59  
PWIND DIR SE S SW W E SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS FW FW SC B1 B1 SC SC SC FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 0 0 5 10 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS S S  
 

 
ILZ023-180900-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 45 54 34 54 31  
TEMP 76 68 63 60 48 46 50 51 47 42 38 36 35 47 53 52 48 41 37 33 32  
DEWPT 63 63 61 57 46 38 37 34 31 29 30 29 30 29 30 31 30 30 29 28 28  
RH 64 84 93 90 93 73 61 52 53 60 73 75 82 49 41 44 49 65 72 82 85  
WIND DIR S S SW SW NW NW NW W NW NW W W SW W W NW NW N N N NE  
WIND SPD 19 13 13 13 13 13 13 14 13 9 5 5 5 10 13 14 9 4 2 2 2  
WIND GUST 32 24 24 24 25 24  
CLOUDS B2 B2 OV OV OV B2 SC SC SC FW CL FW FW FW SC B1 SC FW FW FW CL  
POP 12HR 90 20 0 10 0  
QPF 12HR 0.99 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S D D L S  
TSTMS S D C  
WIND CHILL 36  
MIN CHILL 38 34 29 33 37 32  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 57 45 75 51 77 54 81 60 77  
TEMP 52 55 46 47 71 70 58 52 75 70 58 56 79 76 66 62 74 71  
DEWPT 28 32 34 39 49 51 47 46 53 52 50 51 57 57 56 57 61 59  
PWIND DIR SE S SW W SW SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS CL FW SC SC SC SC SC SC FW FW FW FW SC SC B1 B2 B2 B2  
POP 12HR 0 0 5 10 5 10 10 40 50  
RAIN SHWRS S C C C  
TSTMS S S S  
 

 
ILZ033-180900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 45 56 34 56 32  
TEMP 77 70 63 61 50 48 51 52 48 42 38 36 35 48 54 54 49 41 37 34 33  
DEWPT 62 64 59 57 48 39 36 32 30 28 28 28 29 29 29 29 28 29 28 27 27  
RH 60 81 87 87 93 71 56 46 49 57 67 72 78 47 38 38 44 62 70 75 78  
WIND DIR S S SW SW NW NW NW NW NW NW W W SW W W NW NW N N N NE  
WIND SPD 19 13 14 13 13 14 16 16 13 9 5 5 5 11 16 14 10 5 2 2 2  
WIND GUST 32 24  
CLOUDS B1 B2 B2 OV OV B2 B1 FW SC FW CL FW FW FW SC SC SC FW FW FW FW  
POP 12HR 90 20 0 10 0  
QPF 12HR 1.24 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L D D S S  
TSTMS L C  
WIND CHILL 36  
MIN CHILL 34 29 33 34 29  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 58 45 76 52 78 55 82 60 78  
TEMP 53 56 46 47 72 71 58 53 75 72 59 57 79 76 65 62 74 72  
DEWPT 26 31 32 36 47 48 46 46 52 52 50 50 55 55 54 55 59 58  
PWIND DIR SE S SW SW SW SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS FW FW SC SC SC SC SC SC SC FW FW FW SC SC B1 B2 B1 B2  
POP 12HR 0 0 5 10 5 10 10 30 50  
RAIN SHWRS S C C C  
TSTMS S S S  
 

 
ILZ039-180900-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 46 55 35 57 32  
TEMP 77 69 63 61 50 48 52 53 48 41 37 35 36 49 56 55 50 42 38 34 33  
DEWPT 62 64 60 57 47 40 37 34 30 29 29 29 29 30 31 31 28 30 28 28 27  
RH 60 84 90 87 89 74 56 48 49 62 72 78 75 48 38 40 42 62 67 78 78  
WIND DIR S S SW SW NW NW NW NW NW NW W W SW W W NW NW N N N NE  
WIND SPD 19 17 17 16 17 18 19 19 14 10 6 6 8 13 18 19 12 6 4 4 4  
WIND GUST 31  
CLOUDS B2 B2 OV B2 OV B2 SC FW SC FW CL CL FW FW SC B1 SC FW FW FW FW  
POP 12HR 90 20 0 5 0  
QPF 12HR 1.36 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D D S  
TSTMS D C  
WIND CHILL 35 29 30  
MIN CHILL 39 32 28 33 34 28  
FLOOD A A A A  
TORNADO A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 59 46 76 53 79 56 82 61 77  
TEMP 54 56 47 48 72 71 58 53 76 73 60 58 79 76 65 62 74 71  
DEWPT 28 32 33 37 48 48 48 47 54 53 52 51 56 56 55 55 60 58  
PWIND DIR SE S SW SW SW S S S S  
WIND CHAR LT GN BZ GN GN GN GN GN BZ  
AVG CLOUDS CL FW FW SC SC SC SC SC SC FW FW FW SC SC SC B1 B1 B2  
POP 12HR 0 0 5 10 10 10 10 40 50  
RAIN SHWRS S C C C  
TSTMS S S S  
 

 
INZ001-180900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 45 55 34 51 32  
TEMP 76 69 63 62 51 47 50 51 47 42 39 36 35 47 50 50 45 39 37 34 34  
DEWPT 62 63 61 59 49 40 37 34 31 29 28 28 29 29 30 31 30 30 29 28 28  
RH 62 81 93 90 93 76 61 52 53 60 64 72 78 49 46 48 55 70 72 78 78  
WIND DIR S S SW SW W NW W W W W W W SW W W NW N N N N NE  
WIND SPD 19 16 16 14 14 13 13 14 13 10 6 6 6 11 13 13 9 5 3 3 4  
WIND GUST 31 26 24  
CLOUDS B1 B2 OV OV OV B2 B1 SC SC FW CL FW FW SC B1 B1 SC FW FW CL CL  
POP 12HR 90 30 0 20 5  
QPF 12HR 0.76 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S D D C S S S  
TSTMS S D C  
WIND CHILL 36 33 30 29  
MIN CHILL 33 28 31 34 28  
FLOOD A A A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 44 73 50 72 53 79 60 76  
TEMP 51 52 46 47 69 67 57 50 71 66 57 55 77 75 65 62 74 70  
DEWPT 27 30 33 38 49 49 46 45 51 50 49 50 56 55 55 56 60 58  
PWIND DIR SE S SW W N SE S S S  
WIND CHAR LT GN GN GN LT LT GN GN GN  
AVG CLOUDS CL FW SC B1 B1 SC SC SC FW FW FW SC SC SC B1 B1 B2 B2  
POP 12HR 0 0 5 10 5 10 10 40 50  
RAIN SHWRS S C C C  
TSTMS S S  
 

 
INZ010-180900-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 46 56 35 55 32  
TEMP 76 69 63 62 52 48 51 52 47 41 38 35 36 48 53 53 48 40 36 33 33  
DEWPT 62 64 60 58 51 41 38 34 31 29 28 28 29 29 29 30 29 29 29 28 28  
RH 62 84 90 87 96 77 61 50 53 62 67 75 75 47 39 41 47 64 75 82 82  
WIND DIR S S SW SW W NW NW NW NW NW W W SW W W NW NW N N N NE  
WIND SPD 18 13 14 13 13 14 14 14 12 9 5 5 5 11 16 14 9 4 2 2 2  
WIND GUST 31  
CLOUDS B1 B2 B2 OV OV B2 B1 SC SC FW CL FW FW FW SC B1 SC FW FW FW FW  
POP 12HR 90 30 0 10 5  
QPF 12HR 1.16 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L D L C S  
TSTMS L C  
WIND CHILL 35  
MIN CHILL 33 29 34 35 32  
FLOOD A A A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 56 45 75 52 77 55 81 60 77  
TEMP 52 55 46 47 71 70 58 53 75 71 59 57 78 75 65 62 74 71  
DEWPT 27 31 32 37 47 49 47 47 53 53 50 50 56 56 54 56 59 59  
PWIND DIR SE S SW SW SW SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS FW FW FW SC SC SC SC SC SC FW FW SC SC SC B1 B1 B2 B1  
POP 12HR 0 0 5 10 5 10 10 30 50  
RAIN SHWRS S C C C  
TSTMS S S S  
 

 
INZ011-180900-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
615 PM CDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 47 58 35 54 32  
TEMP 76 69 64 63 54 50 51 53 47 42 39 36 36 47 52 52 47 40 36 34 33  
DEWPT 62 63 61 59 53 43 39 35 32 30 29 29 29 29 30 31 31 31 30 29 28  
RH 62 81 90 87 96 77 63 50 56 62 67 75 75 49 43 44 53 70 79 82 82  
WIND DIR S S SW SW W NW NW W NW NW W W SW W W NW NW N N N NE  
WIND SPD 18 13 16 14 14 14 14 14 13 10 5 5 5 11 14 14 10 5 3 2 3  
WIND GUST 29  
CLOUDS B1 B2 B2 B2 OV B2 B1 SC SC FW CL FW FW FW B1 B1 SC FW FW FW FW  
POP 12HR 90 40 0 10 5  
QPF 12HR 0.88 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C D L C S  
TSTMS C C  
WIND CHILL 36 30  
MIN CHILL 34 29 33 34 29  
FLOOD A A A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 44 74 52 76 55 81 60 77  
TEMP 52 53 45 47 70 70 58 53 74 70 59 57 78 75 66 62 74 71  
DEWPT 27 31 32 37 48 49 47 47 53 53 50 51 56 56 54 56 60 59  
PWIND DIR SE S SW W SW SE S S S  
WIND CHAR LT GN GN LT LT LT GN GN GN  
AVG CLOUDS CL FW FW SC SC SC SC SC SC FW FW SC SC FW SC B1 B2 B1  
POP 12HR 0 0 5 10 5 10 10 30 50  
RAIN SHWRS S C C C  
TSTMS S S S  
 

 
INZ019-180900-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
715 PM EDT FRI APR 17 2026  
 
DATE 04/17/26 SAT 04/18/26 SUN 04/19/26 MON  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 48 58 35 55 33  
TEMP 76 70 64 63 54 49 51 53 47 42 39 36 36 48 53 53 48 41 37 34 33  
DEWPT 62 63 60 59 53 44 39 35 32 29 29 29 30 30 30 30 30 30 29 29 28  
RH 62 78 87 87 96 83 63 50 56 60 67 75 79 49 41 41 49 65 72 82 82  
WIND DIR S S SW SW W NW NW NW NW NW W W SW W W NW NW N N N NE  
WIND SPD 18 13 16 14 14 14 14 14 13 10 6 5 6 11 16 14 10 5 3 3 3  
WIND GUST 29 26 25  
CLOUDS B1 B2 B2 B2 OV B2 B2 FW SC FW CL FW FW FW SC B1 SC FW FW FW FW  
POP 12HR 90 50 0 10 5  
QPF 12HR 0.85 0.03 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C D L C S  
TSTMS C C  
WIND CHILL 36 30  
MIN CHILL 33 29 33 34 29  
FLOOD A A A A  
 
DATE 04/20 TUE 04/21/26 WED 04/22/26 THU 04/23/26 FRI 04/24/26  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 56 45 74 53 76 56 80 61 77  
TEMP 52 54 46 47 70 70 58 54 74 70 59 57 78 75 65 62 74 70  
DEWPT 28 32 32 37 47 49 47 48 54 53 51 51 56 56 55 56 60 59  
PWIND DIR SE S SW SW SW SE S S S  
WIND CHAR LT GN GN GN LT LT GN GN GN  
AVG CLOUDS CL FW FW SC SC SC SC SC SC FW FW FW SC SC SC B1 B2 B1  
POP 12HR 0 0 5 10 10 10 10 30 50  
RAIN SHWRS S C C C  
TSTMS S S S  
 

 
 
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