376  
FOUS53 KLOT 150615  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
115 AM CDT THU MAY 15 2025  
 
ILZ104-152100-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 90 65 89 55 69  
TEMP 61 64 77 84 89 78 72 70 65 66 78 84 86 76 69 63 58 55 61 65 69 67  
DEWPT 60 60 65 66 66 68 60 52 50 50 50 44 44 53 53 48 45 44 46 46 47 46  
RH 97 87 67 55 47 71 66 53 58 56 37 25 23 45 57 58 62 66 58 50 45 47  
WIND DIR E SE SE S S S SW W SW S SW SW SW SW SW W W W W W W W  
WIND SPD 5 8 12 18 20 21 13 9 8 11 19 26 28 24 14 14 16 17 20 21 20 16  
WIND GUST 28 31 33 29 39 42 36 31 32 31  
CLOUDS SC B1 SC SC SC SC FW FW CL CL FW FW SC SC SC SC SC SC B1 B1 SC SC  
POP 12HR 40 40 20 30 5  
QPF 12HR 0.02 0.11 0.04 0.10 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S C C  
TSTMS S C S S  
OBVIS PF PF  
HEAT INDEX 86 92  
MAX HEAT 86 93 82 83  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 51 64 45 63 50 65 55 68  
TEMP 57 52 63 54 45 46 61 58 51 52 62 62 57 55 66 65  
DEWPT 45 43 43 39 38 40 43 42 44 43 48 50 51 52 55 51  
PWIND DIR NW NE NE NE E E SE SW  
WIND CHAR GN GN GN GN GN BZ GN BZ  
AVG CLOUDS SC SC SC FW FW SC B1 SC B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 5 20 40 70 80 50  
RAIN SHWRS S S C L L D L C C  
TSTMS S  
 
 
ILZ003-152100-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 91 62 86 53 67  
TEMP 64 67 75 84 91 81 69 67 62 63 76 84 84 74 64 58 56 53 58 63 66 65  
DEWPT 62 61 65 66 64 56 49 49 48 48 49 45 45 51 49 44 43 44 44 45 45 44  
RH 93 81 71 55 41 42 49 52 60 58 39 26 26 44 58 59 62 71 59 52 47 46  
WIND DIR SE SE SE S S SW SW SW S S SW SW SW SW W W W W W W W NW  
WIND SPD 6 9 16 20 23 23 12 6 9 12 21 27 28 21 16 14 17 19 20 21 20 16  
WIND GUST 31 33 34 33 41 42 33 31 32 31  
CLOUDS SC SC SC SC B1 SC FW FW CL CL FW SC SC SC SC SC SC B1 B1 B1 SC SC  
POP 12HR 40 5 20 20 5  
QPF 12HR 0.09 0 0.04 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S S  
TSTMS S C S S  
HEAT INDEX 86 93 81  
MAX HEAT 86 93 82 83  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 47 70 42 68 50 68 54 66  
TEMP 52 48 66 65 44 43 66 64 50 51 65 63 56 55 63 63  
DEWPT 43 42 45 43 36 36 43 40 41 45 48 49 51 52 54 50  
PWIND DIR NW N E E E E SE SW  
WIND CHAR GN GN GN BZ GN BZ BZ BZ  
AVG CLOUDS SC SC SC SC FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 10 20 60 80 80 50  
RAIN SHWRS S S C L D D D L C C  
TSTMS C  
 
 
ILZ104-152100-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 89 64 88 55 69  
TEMP 61 64 77 82 89 80 74 69 65 66 78 84 85 76 69 64 59 55 61 65 69 67  
DEWPT 60 61 65 65 65 67 60 54 50 50 50 44 44 55 54 50 45 45 46 46 47 46  
RH 97 90 67 56 45 65 62 59 58 56 37 25 24 48 59 60 60 69 58 50 45 47  
WIND DIR SE SE S S S S SW W S S S S SW SW SW W W W W W W W  
WIND SPD 5 8 12 18 20 21 13 9 8 11 19 26 28 24 14 14 16 17 20 21 20 16  
WIND GUST 28 31 33 29 39 42 36 31 32 31  
CLOUDS SC B1 SC SC SC SC SC FW CL CL FW FW SC SC SC SC SC SC SC B1 SC SC  
POP 12HR 40 40 20 40 5  
QPF 12HR 0.01 0.20 0.02 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S C C  
TSTMS S C S S  
OBVIS PF PF  
HEAT INDEX 84 91 82  
MAX HEAT 84 91 82 83  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 52 62 45 62 52 64 55 68  
TEMP 57 52 62 53 47 46 60 58 53 53 61 62 59 56 66 65  
DEWPT 45 44 43 39 39 41 44 44 46 43 48 50 51 53 55 51  
PWIND DIR NW NE NE NE E E SE SW  
WIND CHAR GN GN GN GN GN BZ GN BZ  
AVG CLOUDS SC SC SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 5 20 40 70 80 50  
RAIN SHWRS S S C L L D L C C  
TSTMS S  
 
 
ILZ021-152100-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 93 63 89 55 70  
TEMP 66 68 78 87 91 83 74 67 63 65 78 85 87 78 68 62 57 56 62 66 70 68  
DEWPT 64 64 67 68 68 62 52 53 52 52 53 48 48 55 55 48 45 45 47 48 49 47  
RH 93 87 69 53 47 49 46 61 67 63 42 28 26 45 63 60 64 66 58 52 47 47  
WIND DIR SE SE S S S SW W SW S S SW S SW SW SW W W W W W W W  
WIND SPD 5 6 14 19 23 21 12 6 6 11 18 25 26 21 14 13 14 18 19 20 19 14  
WIND GUST 29 33 33 28 37 39 33 29 31 29 25  
CLOUDS SC SC SC FW SC SC SC CL CL CL CL FW SC SC SC SC SC SC SC SC SC FW  
POP 12HR 30 20 20 30 0  
QPF 12HR 0 0 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C  
TSTMS S S S S S  
OBVIS BD BD  
HEAT INDEX 91 95 84  
MAX HEAT 91 97 81 83 84  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 51 74 45 70 53 71 56 69  
TEMP 56 52 71 66 48 47 68 67 54 54 67 68 60 57 67 65  
DEWPT 45 45 49 44 38 40 48 46 46 45 53 54 54 56 58 54  
PWIND DIR NW N NE E E E SE SW  
WIND CHAR GN LT GN GN GN BZ GN BZ  
AVG CLOUDS FW FW SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 10 20 50 80 80 50  
RAIN SHWRS S S C C L D D L C C  
TSTMS C S S  
 
 
ILZ006-152100-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 78 60 85 53 66  
TEMP 56 55 65 75 77 70 69 67 60 63 75 81 83 71 63 59 55 53 58 63 66 63  
DEWPT 56 54 59 63 62 62 59 52 48 49 50 46 47 52 53 48 45 45 47 47 48 47  
RH 100 96 81 66 60 76 70 59 64 60 41 29 28 51 70 67 69 74 67 56 52 56  
WIND DIR E E SE SE SE S SW W SW S S S SW SW SW W W W W W W W  
WIND SPD 5 5 10 16 18 18 13 9 8 10 19 26 28 24 14 14 16 17 20 21 20 14  
WIND GUST 26 28 29 39 42 36 31 32 31  
CLOUDS B2 B2 SC SC SC B1 FW FW FW FW FW FW SC SC SC SC SC B1 B1 B1 SC SC  
POP 12HR 40 40 20 30 5  
QPF 12HR 0.20 0.28 0.12 0.07 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S C C  
TSTMS S C S S  
OBVIS F F PF  
DENSE FOG Y Y  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 47 57 43 57 47 57 51 66  
TEMP 52 49 57 50 44 45 55 53 49 49 55 55 52 52 63 62  
DEWPT 44 42 43 39 38 39 42 41 42 43 47 47 48 50 53 51  
PWIND DIR NW NE NE NE E E E S  
WIND CHAR GN GN GN GN GN BZ BZ BZ  
AVG CLOUDS SC SC B1 SC FW SC B1 B1 B1 B2 B2 B2 B2 OV B2 B1  
POP 12HR 0 0 5 20 40 70 80 60  
RAIN SHWRS S S C L L D L C C  
TSTMS S  
 
 
ILZ021-152100-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 92 62 90 55 72  
TEMP 67 69 76 88 91 81 72 68 63 65 79 86 88 77 67 62 57 56 63 68 72 70  
DEWPT 65 65 68 71 70 66 55 53 52 52 54 48 49 56 54 48 44 44 47 49 48 47  
RH 93 87 76 57 50 60 55 59 67 63 42 27 26 48 63 60 62 64 56 51 42 44  
WIND DIR SE SE S S S SW SW SW S S SW S SW SW W W W W W W W W  
WIND SPD 6 10 16 20 24 23 12 8 9 12 18 24 26 23 14 13 16 18 20 21 20 14  
WIND GUST 31 35 34 28 36 39 34 31 32 31 25  
CLOUDS SC SC SC FW SC SC SC CL CL CL CL FW SC FW FW FW FW FW SC SC FW FW  
POP 12HR 30 10 30 20 0  
QPF 12HR 0.05 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C S S  
TSTMS S S C S  
HEAT INDEX 94 97 83  
MAX HEAT 94 98 83 85  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 50 77 46 72 55 73 57 70  
TEMP 53 52 72 72 48 48 68 69 57 56 69 70 60 59 68 67  
DEWPT 45 45 49 47 39 41 50 49 48 48 56 57 55 57 58 54  
PWIND DIR NW N NE E E SE SE SW  
WIND CHAR LT LT GN GN GN BZ BZ BZ  
AVG CLOUDS FW FW SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 10 30 50 80 80 50  
RAIN SHWRS C S C C D D D L C C  
TSTMS S C S S  
 
 
INZ002-152100-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 88 62 87 55 69  
TEMP 63 65 76 81 87 84 73 67 62 64 78 84 84 74 67 63 58 55 63 66 69 67  
DEWPT 62 61 66 66 67 67 64 58 55 55 54 48 48 55 56 54 48 46 46 47 46 45  
RH 97 87 71 60 52 57 73 73 78 73 43 29 29 51 68 72 69 72 54 50 44 45  
WIND DIR SE SE S S S S SW W SW S S S S S SW SW W W W W W W  
WIND SPD 5 5 11 16 18 18 13 8 5 9 14 19 23 18 13 10 13 14 18 19 17 12  
WIND GUST 26 28 28 25 29 34 28 29  
CLOUDS FW SC SC SC SC B1 FW FW CL CL CL FW SC B1 SC FW SC FW SC B1 SC SC  
POP 12HR 20 40 20 50 5  
QPF 12HR 0.02 0.51 0.03 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C S C C  
TSTMS S C C S C S  
HEAT INDEX 83 90 87  
MAX HEAT 83 90 82 83  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 50 62 43 67 49 68 54 71  
TEMP 54 51 62 54 44 46 66 63 54 51 65 66 58 55 70 68  
DEWPT 45 45 44 39 39 41 46 45 43 39 48 49 49 53 56 52  
PWIND DIR NW N N NE E SE SE S  
WIND CHAR LT GN LT GN GN GN GN GN  
AVG CLOUDS SC SC SC FW FW SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 5 20 40 60 80 60  
RAIN SHWRS S S C C L D D L L  
TSTMS S  
 
 
ILZ005-152100-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 88 61 85 53 65  
TEMP 61 64 75 83 88 75 68 67 61 63 76 82 83 74 64 58 55 53 58 62 65 64  
DEWPT 60 60 67 67 68 67 55 51 50 50 51 47 48 54 52 46 45 44 47 49 49 47  
RH 97 87 76 59 52 76 63 56 67 62 42 29 30 50 65 64 69 71 67 62 56 54  
WIND DIR E SE SE S S S SW W S S SW SW SW SW W W W W W W W W  
WIND SPD 6 8 13 18 20 20 12 9 8 12 20 27 28 20 14 14 16 17 20 21 20 14  
WIND GUST 28 31 32 32 41 42 32 31 33 31 25  
CLOUDS SC B1 SC SC SC SC FW FW CL CL FW FW SC SC SC SC SC B1 B1 B1 SC SC  
POP 12HR 40 20 20 30 5  
QPF 12HR 0.29 0.02 0.09 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S C C  
TSTMS C S S S  
HEAT INDEX 86 92  
MAX HEAT 86 92 80 82  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 47 67 40 64 47 65 52 66  
TEMP 51 49 65 58 41 42 61 58 47 50 62 62 54 53 62 63  
DEWPT 44 43 47 42 37 37 44 42 42 43 49 50 50 52 56 52  
PWIND DIR NW NE NE E E E SE SW  
WIND CHAR GN GN GN GN GN BZ BZ BZ  
AVG CLOUDS SC SC SC SC FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 5 20 50 80 80 50  
RAIN SHWRS S S C L D D L C C  
TSTMS S  
 
 
ILZ008-152100-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 92 62 86 53 68  
TEMP 65 69 76 86 90 80 68 67 63 63 76 84 85 74 64 59 55 53 59 64 68 66  
DEWPT 63 63 67 68 66 56 50 49 48 49 50 46 45 52 48 43 43 43 45 46 45 45  
RH 93 81 74 55 45 44 52 52 58 60 40 27 25 46 56 55 64 69 60 52 43 47  
WIND DIR SE SE SE S S SW SW SW S S SW SW SW SW W W W W W W W NW  
WIND SPD 6 10 17 20 23 23 12 6 9 12 20 26 27 21 16 14 17 19 19 21 20 14  
WIND GUST 31 33 34 32 39 41 33 29 32 31  
CLOUDS SC SC SC FW SC SC FW FW CL CL FW SC SC SC SC SC SC SC B1 B1 SC SC  
POP 12HR 30 0 20 10 0  
QPF 12HR 0.04 0 0.07 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S  
TSTMS S C S  
OBVIS BD BD  
HEAT INDEX 89 93 80  
MAX HEAT 89 96 82 83  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 48 72 43 69 52 68 54 66  
TEMP 53 49 68 68 46 44 66 65 52 53 66 64 57 55 64 63  
DEWPT 43 42 46 44 37 36 44 42 42 46 50 51 52 54 55 51  
PWIND DIR NW N E E E E SE SW  
WIND CHAR LT LT GN GN GN BZ GN BZ  
AVG CLOUDS SC FW SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 10 20 60 80 80 50  
RAIN SHWRS S S C L D D D L C C  
TSTMS C S S  
 
 
ILZ011-152100-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 90 62 87 53 67  
TEMP 64 67 75 84 90 82 70 68 62 63 77 84 85 74 65 59 55 53 58 64 66 65  
DEWPT 62 63 68 69 67 57 51 51 50 50 50 45 45 53 51 45 44 44 46 47 47 46  
RH 93 87 79 61 47 43 51 54 65 62 39 26 25 48 60 60 66 71 64 54 50 50  
WIND DIR SE SE S S S SW SW W S S S SW SW SW W W W W W W W NW  
WIND SPD 8 9 16 20 23 23 12 8 8 13 20 26 28 23 14 14 16 18 20 20 20 16  
WIND GUST 31 33 34 32 40 42 34 31 31 31  
CLOUDS FW SC B1 FW SC SC FW FW CL CL FW FW SC SC SC SC SC SC B1 B1 SC SC  
POP 12HR 40 10 20 20 5  
QPF 12HR 0.04 0 0.13 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S S  
TSTMS S C S S  
OBVIS BD BD  
HEAT INDEX 88 93 82  
MAX HEAT 88 94 82 83  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 48 70 43 66 50 67 54 66  
TEMP 53 49 67 63 45 45 64 61 50 51 65 63 57 55 65 63  
DEWPT 44 43 46 44 37 37 44 43 43 45 50 52 52 53 56 52  
PWIND DIR NW N NE E E E SE SW  
WIND CHAR GN GN GN GN GN BZ BZ BZ  
AVG CLOUDS SC SC SC SC FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 5 20 50 80 80 50  
RAIN SHWRS S S C C L D D L C C  
TSTMS C S  
 
 
ILZ010-152100-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 92 62 86 52 68  
TEMP 66 69 76 87 92 80 69 67 62 63 76 84 85 74 64 59 55 52 58 64 68 66  
DEWPT 64 64 68 69 67 54 50 49 49 49 50 46 47 52 49 44 43 44 46 47 47 46  
RH 93 84 76 55 44 41 51 52 62 60 40 27 27 46 58 57 64 74 64 54 47 48  
WIND DIR SE SE SE S S SW W SW S S SW SW SW SW W W W W W W W NW  
WIND SPD 6 10 16 20 23 23 11 6 9 12 20 26 27 21 14 14 17 18 20 21 20 13  
WIND GUST 31 33 34 32 39 41 33 32 31  
CLOUDS B1 SC B1 FW SC SC FW CL CL CL FW SC SC SC SC SC SC SC B1 SC SC SC  
POP 12HR 30 0 20 10 0  
QPF 12HR 0.02 0 0.06 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S  
TSTMS S C S  
HEAT INDEX 91 96 80  
MAX HEAT 91 96 82 83  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 47 72 44 70 52 69 54 66  
TEMP 52 49 68 68 48 46 66 67 53 53 66 65 57 55 64 63  
DEWPT 44 43 48 46 39 38 46 44 45 48 52 53 54 55 56 53  
PWIND DIR NW N E E E SE SE SW  
WIND CHAR LT LT GN GN GN BZ GN BZ  
AVG CLOUDS FW FW SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 10 30 60 80 80 50  
RAIN SHWRS C S C L D D D L C C  
TSTMS S C S S  
 
 
ILZ012-152100-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 89 62 88 53 68  
TEMP 63 66 76 83 89 82 72 68 63 64 78 85 86 75 67 60 56 54 60 65 68 66  
DEWPT 61 62 67 68 68 66 53 52 51 51 52 47 47 55 54 48 45 45 47 48 49 47  
RH 93 87 74 61 50 58 51 57 65 63 40 27 26 50 63 64 66 71 62 54 51 50  
WIND DIR SE SE S S S SW SW W S S S SW SW SW SW W W W W W W W  
WIND SPD 5 8 13 18 21 23 12 8 6 11 19 26 28 23 14 14 16 18 20 21 20 16  
WIND GUST 25 28 32 34 29 39 42 34 31 32 31  
CLOUDS FW B1 B1 FW SC SC FW FW FW CL FW FW SC SC SC SC SC SC B1 B1 SC SC  
POP 12HR 40 30 20 30 5  
QPF 12HR 0.07 0.03 0.03 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S C C  
TSTMS C C S S  
HEAT INDEX 87 93 84  
MAX HEAT 88 93 83 84  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 50 70 43 66 50 67 54 67  
TEMP 54 51 68 60 45 45 64 61 51 52 65 64 58 55 65 64  
DEWPT 45 44 47 42 37 39 45 44 44 45 50 52 52 54 57 53  
PWIND DIR NW NE NE E E E SE SW  
WIND CHAR GN GN GN GN GN BZ BZ BZ  
AVG CLOUDS SC SC SC SC FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 5 20 50 80 80 50  
RAIN SHWRS S S S C L D D L C C  
TSTMS C S  
 
 
ILZ020-152100-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 91 62 88 54 69  
TEMP 65 67 77 84 90 82 72 67 63 64 78 85 86 76 67 61 57 54 61 66 69 67  
DEWPT 63 64 68 69 68 66 53 52 51 51 53 47 47 55 54 48 45 45 47 48 48 46  
RH 93 90 74 61 49 58 51 59 65 63 42 27 26 48 63 62 64 71 60 52 47 47  
WIND DIR SE SE SE S S SW SW SW S S SW SW SW SW SW W W W W W W W  
WIND SPD 8 6 14 19 23 21 12 6 6 11 19 25 27 23 14 13 16 18 20 20 19 14  
WIND GUST 25 29 33 33 29 37 41 34 31 31 29 25  
CLOUDS SC SC SC FW SC SC SC FW CL CL CL FW SC SC SC SC SC SC SC SC SC SC  
POP 12HR 30 20 20 20 0  
QPF 12HR 0.03 0.01 0.01 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S S S  
TSTMS S C S S S  
OBVIS BD BD  
HEAT INDEX 88 94 84  
MAX HEAT 88 96 83 84  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 50 72 44 69 52 69 55 68  
TEMP 54 51 70 64 47 46 66 65 53 54 67 66 59 56 66 65  
DEWPT 45 44 48 44 38 39 47 45 45 45 51 53 53 55 58 53  
PWIND DIR NW N NE E E E SE SW  
WIND CHAR GN GN GN GN GN BZ GN BZ  
AVG CLOUDS SC FW SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 10 20 50 80 80 50  
RAIN SHWRS S S C C L L D L C C  
TSTMS C S S  
 
 
ILZ013-152100-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 89 64 88 55 69  
TEMP 63 66 76 83 89 79 71 70 65 66 78 85 86 76 69 63 58 55 61 65 69 67  
DEWPT 62 61 66 67 67 68 57 53 51 51 50 44 45 54 54 48 45 44 46 47 47 46  
RH 97 84 71 59 48 69 61 55 60 58 37 24 24 46 59 58 62 66 58 52 45 47  
WIND DIR SE SE S S S S SW W S S SW SW SW SW SW W W W W W W W  
WIND SPD 5 6 12 18 20 21 12 9 6 10 19 26 28 23 14 14 16 17 20 21 20 16  
WIND GUST 28 31 33 29 39 42 34 31 33 31 26  
CLOUDS SC B1 B1 SC SC SC FW FW FW CL FW FW SC SC SC SC SC SC B1 B1 SC SC  
POP 12HR 40 40 20 30 5  
QPF 12HR 0.04 0.04 0.02 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S C C  
TSTMS S C S S  
HEAT INDEX 86 92  
MAX HEAT 87 93 82 84  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 51 68 45 65 51 66 55 68  
TEMP 56 52 67 58 46 46 63 61 52 54 65 64 59 56 65 65  
DEWPT 45 43 44 40 37 39 44 42 44 43 48 50 52 54 56 52  
PWIND DIR NW NE NE NE E E SE SW  
WIND CHAR GN GN GN GN GN BZ GN BZ  
AVG CLOUDS SC SC SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 5 20 50 70 80 50  
RAIN SHWRS S S S C L L D L C C  
TSTMS S  
 
 
ILZ019-152100-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 93 63 89 55 70  
TEMP 67 69 75 88 92 83 72 68 64 65 78 85 86 77 68 62 57 55 61 66 70 68  
DEWPT 65 65 68 69 68 57 52 50 50 50 50 46 47 53 51 45 43 43 45 46 46 45  
RH 93 87 79 54 46 41 49 52 60 58 37 26 26 43 54 54 59 64 56 48 42 43  
WIND DIR SE SE SE S S SW SW SW S S SW SW SW SW W W W W W W W W  
WIND SPD 6 9 16 19 23 23 11 8 8 11 18 25 26 23 16 14 16 17 19 20 19 14  
WIND GUST 29 33 34 28 37 39 34 27 29 31 29 25  
CLOUDS SC SC SC FW SC SC FW FW CL CL CL FW SC SC SC SC SC FW SC SC FW FW  
POP 12HR 30 5 20 20 0  
QPF 12HR 0.01 0 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S S  
TSTMS S S S S  
OBVIS BD BD  
HEAT INDEX 92 96  
MAX HEAT 92 97 82 84  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 50 75 46 70 54 71 57 69  
TEMP 55 52 71 71 49 47 65 67 55 55 66 68 60 58 66 66  
DEWPT 43 43 47 45 37 39 45 45 45 46 52 53 53 55 56 52  
PWIND DIR NW N NE E E SE SE SW  
WIND CHAR GN LT GN GN GN BZ BZ BZ  
AVG CLOUDS FW FW FW FW SC SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 10 20 50 80 80 50  
RAIN SHWRS S S C C L D D L C C  
TSTMS S C S S  
 
 
ILZ106-152100-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 90 63 89 55 69  
TEMP 66 68 78 84 90 83 75 67 63 65 78 85 86 76 68 62 57 55 61 65 69 67  
DEWPT 64 64 68 69 68 67 55 55 53 53 53 47 48 57 56 50 46 46 48 49 49 47  
RH 93 87 71 61 49 59 50 65 70 65 42 27 27 52 65 65 67 72 62 56 49 49  
WIND DIR SE SE S S S SW SW SW S S S SW SW SW SW W W W W W W W  
WIND SPD 6 5 13 18 21 21 11 6 6 10 18 25 26 21 13 13 16 17 19 20 19 14  
WIND GUST 28 32 33 28 37 39 33 24 29 31 29 25  
CLOUDS FW SC SC FW SC SC SC CL CL CL CL FW SC SC SC SC SC SC SC B1 SC SC  
POP 12HR 30 30 20 30 0  
QPF 12HR 0.02 0.04 0.01 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C S C C  
TSTMS S S C S S  
HEAT INDEX 88 94 86  
MAX HEAT 88 96 83 84  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 51 71 45 69 52 69 56 69  
TEMP 55 52 70 61 48 47 66 64 53 53 66 67 60 57 67 66  
DEWPT 46 46 48 43 39 41 47 46 46 45 51 53 54 56 58 54  
PWIND DIR NW N NE E E E SE SW  
WIND CHAR GN GN GN GN GN BZ GN BZ  
AVG CLOUDS FW FW SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 5 20 50 70 80 50  
RAIN SHWRS S S S C L L D L C C  
TSTMS C S S  
 
 
ILZ023-152100-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 92 62 89 55 70  
TEMP 65 69 78 85 91 83 74 68 63 65 79 86 86 75 67 62 57 56 62 67 70 67  
DEWPT 63 64 68 70 68 68 64 56 55 55 55 48 50 58 55 51 45 45 47 48 47 46  
RH 93 84 71 61 47 61 71 65 75 70 44 27 29 55 65 67 64 66 58 50 44 47  
WIND DIR SE SE S S S SW SW W SW S S S SW SW SW W W W W W W W  
WIND SPD 5 8 13 17 20 20 12 8 6 10 16 21 25 20 13 11 14 16 19 20 19 13  
WIND GUST 24 27 31 32 26 33 37 32 31 29  
CLOUDS SC SC SC FW SC B1 FW FW CL CL CL FW SC SC FW FW SC FW SC SC SC FW  
POP 12HR 30 40 20 40 0  
QPF 12HR 0.02 0.27 0.02 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C S C C  
TSTMS S S C S C S  
OBVIS BD BD  
HEAT INDEX 90 95 86  
MAX HEAT 90 97 83 84  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 50 72 45 69 52 70 55 69  
TEMP 53 51 70 61 46 47 66 64 54 53 66 67 59 56 67 66  
DEWPT 46 46 48 44 39 41 49 47 47 44 53 54 53 57 58 54  
PWIND DIR NW N NE E E SE SE SW  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW FW SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 5 20 40 70 80 50  
RAIN SHWRS S S S C L L D L C C  
TSTMS S S S  
 
 
ILZ033-152100-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 91 62 89 55 71  
TEMP 65 68 74 86 91 83 74 68 63 65 79 86 87 74 66 62 58 56 63 68 71 68  
DEWPT 64 65 68 70 68 68 64 57 55 55 55 49 50 57 56 52 45 44 46 48 47 46  
RH 97 90 82 59 47 61 71 68 75 70 44 28 28 55 70 70 62 64 54 49 42 45  
WIND DIR SE SE S S S SW SW W SW S SW S S SW SW W W W W W W W  
WIND SPD 6 9 13 17 20 21 12 8 8 10 14 20 24 18 13 10 13 14 18 19 18 12  
WIND GUST 24 27 31 33 25 32 36 28 29 28  
CLOUDS SC SC B1 FW SC SC FW FW CL CL CL FW SC SC FW FW FW FW SC SC FW FW  
POP 12HR 30 40 30 40 0  
QPF 12HR 0.13 0.11 0.07 0.03 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C S C C C  
TSTMS S S C S C C C  
HEAT INDEX 91 95 86  
MAX HEAT 91 97 84 85  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 50 74 45 71 53 71 56 70  
TEMP 54 52 71 66 48 47 68 66 55 54 68 69 60 57 69 65  
DEWPT 45 46 48 45 39 41 49 48 46 45 54 54 53 57 58 54  
PWIND DIR NW N NE E E SE SE SW  
WIND CHAR LT LT LT GN GN GN GN GN  
AVG CLOUDS FW FW SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 10 20 40 70 80 50  
RAIN SHWRS S S S C L L D L C C  
TSTMS C S S  
 
 
ILZ039-152100-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 91 62 90 56 73  
TEMP 67 69 76 88 89 83 76 68 63 65 79 86 87 74 67 63 58 57 65 69 73 70  
DEWPT 65 65 68 70 71 68 63 55 55 55 56 51 52 58 55 51 45 44 47 49 48 46  
RH 93 87 76 55 56 61 64 63 75 70 45 30 30 57 65 65 62 62 52 49 41 42  
WIND DIR SE SE S S S SW SW W SW S SW S S SW SW W W W W W W W  
WIND SPD 6 10 16 18 23 21 13 8 8 10 16 21 25 19 14 12 14 14 19 19 19 13  
WIND GUST 28 33 33 26 33 37 29 29 29  
CLOUDS B1 B1 SC SC B1 SC FW FW CL CL CL FW SC SC FW FW FW FW FW SC FW FW  
POP 12HR 30 30 30 40 0  
QPF 12HR 0.13 0.18 0.12 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C S C C C  
TSTMS S S C S C C S  
HEAT INDEX 93 95 86  
MAX HEAT 94 96 82 84 86  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 51 76 47 72 55 73 57 71  
TEMP 55 53 72 71 50 49 68 69 57 56 69 71 61 59 70 66  
DEWPT 45 45 50 48 40 41 50 50 49 48 56 56 55 57 58 54  
PWIND DIR NW N NE E E SE SE SW  
WIND CHAR LT LT GN GN GN BZ GN BZ  
AVG CLOUDS FW FW SC FW SC SC B1 B1 B1 B2 B2 B1 B2 B2 B1 SC  
POP 12HR 0 0 10 30 50 70 80 50  
RAIN SHWRS C C C C L L D L C C  
TSTMS S C S S  
 
 
INZ001-152100-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 89 62 87 55 69  
TEMP 64 66 78 82 89 83 73 68 63 64 78 84 84 74 67 63 58 56 63 66 69 68  
DEWPT 62 62 67 68 68 68 65 57 55 55 54 48 49 57 56 53 47 46 47 47 47 46  
RH 93 87 69 63 50 61 76 68 75 73 43 29 30 55 68 70 67 69 56 50 45 45  
WIND DIR SE SE S S S S SW W SW S S S S SW SW W W W W W W W  
WIND SPD 6 5 12 16 19 19 12 9 6 10 16 20 24 19 13 11 13 14 19 20 19 12  
WIND GUST 26 29 29 26 32 36 29 29 31 29  
CLOUDS FW B1 SC SC SC SC FW FW CL CL CL FW SC B1 FW FW SC FW SC B1 SC SC  
POP 12HR 20 40 20 50 5  
QPF 12HR 0.01 0.40 0.01 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S C C  
TSTMS S C S S C S  
HEAT INDEX 85 93 86  
MAX HEAT 85 94 83 82 83  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 50 63 44 66 51 68 54 69  
TEMP 55 52 63 53 45 46 65 61 54 51 66 66 60 56 68 66  
DEWPT 45 45 45 40 39 42 47 46 45 40 50 51 51 54 58 54  
PWIND DIR NW N NE NE E SE SE SW  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS FW SC SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 0 5 20 40 70 80 50  
RAIN SHWRS S S C C L D D C C  
TSTMS S S  
 
 
INZ010-152100-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 91 62 89 56 70  
TEMP 64 68 76 85 90 83 75 69 63 65 79 85 86 73 65 62 58 56 63 68 70 67  
DEWPT 62 65 68 69 69 68 65 58 56 56 55 49 51 58 57 53 47 46 47 48 47 46  
RH 93 90 76 59 50 61 71 68 78 73 44 29 30 59 75 72 67 69 56 49 44 47  
WIND DIR SE SE S S S S SW W SW S SW S S S SW SW W W W W W W  
WIND SPD 6 9 12 17 19 18 13 8 6 9 14 19 24 18 13 10 12 13 18 19 18 12  
WIND GUST 27 29 28 25 32 36 28 24 29 28  
CLOUDS SC SC SC SC SC SC FW FW CL CL CL FW FW SC SC FW SC FW FW SC FW FW  
POP 12HR 20 40 30 50 0  
QPF 12HR 0.12 0.15 0.08 0.03 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C  
TSTMS S S C C C C C  
HEAT INDEX 89 95 86  
MAX HEAT 90 97 83 83 84  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 50 72 45 70 52 71 56 70  
TEMP 53 52 70 63 47 47 67 65 54 53 67 68 59 57 70 66  
DEWPT 45 46 48 44 39 41 49 48 46 44 53 54 52 56 58 54  
PWIND DIR NW N NE E E SE SE SW  
WIND CHAR LT LT LT GN GN GN GN GN  
AVG CLOUDS FW FW SC FW FW SC B1 SC B1 B2 B2 B1 B2 B2 B1 SC  
POP 12HR 0 0 5 20 40 70 80 50  
RAIN SHWRS S S S C C L D L C C  
TSTMS S S S  
 
 
INZ011-152100-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
115 AM CDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 90 62 89 56 70  
TEMP 64 67 78 84 88 84 75 69 63 65 79 85 86 74 66 62 58 56 63 67 70 67  
DEWPT 62 63 68 68 68 69 65 59 57 56 55 50 52 58 57 54 49 47 48 48 47 46  
RH 93 87 71 59 52 61 71 70 81 73 44 30 31 57 73 75 72 72 58 50 44 47  
WIND DIR SE SE S S S S SW W SW S SW S S SW SW SW W W W W W W  
WIND SPD 5 6 12 17 18 18 12 9 6 8 16 20 24 18 14 10 12 13 17 19 18 12  
WIND GUST 27 28 28 26 32 36 28 27 29 28  
CLOUDS SC B1 SC SC SC B1 FW FW FW CL CL FW SC SC SC FW SC FW SC SC FW FW  
POP 12HR 20 40 30 50 5  
QPF 12HR 0.09 0.11 0.08 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C  
TSTMS S S C C C C C  
HEAT INDEX 87 93 88  
MAX HEAT 87 95 83 84 84  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 51 70 45 69 52 70 56 70  
TEMP 55 53 69 61 47 47 66 65 55 53 67 68 59 57 70 66  
DEWPT 45 46 48 43 39 42 49 47 45 42 51 52 51 55 58 54  
PWIND DIR NW N NE E E SE SE SW  
WIND CHAR LT LT LT GN GN GN GN GN  
AVG CLOUDS FW FW SC FW FW SC B1 SC B1 B1 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 5 20 40 70 80 50  
RAIN SHWRS S S S C C L D L C C  
TSTMS S S  
 
 
INZ019-152100-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
215 AM EDT THU MAY 15 2025  
 
DATE THU 05/15/25 FRI 05/16/25 SAT 05/17/25  
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 89 63 88 57 71  
TEMP 64 67 75 85 88 82 76 70 63 65 78 85 86 72 65 63 59 57 63 68 71 68  
DEWPT 62 64 68 70 70 69 64 60 57 57 57 52 53 60 58 55 49 46 48 49 48 48  
RH 93 90 79 61 55 65 66 71 81 75 48 32 32 66 78 75 69 67 58 51 44 49  
WIND DIR SE SE S S S S SW W SW S SW S S S SW SW W W W W W W  
WIND SPD 6 8 12 17 19 18 13 10 6 9 13 19 23 18 14 10 12 13 17 19 18 12  
WIND GUST 27 29 28 29 34 28 27 29 28  
CLOUDS SC SC SC SC SC SC SC FW CL CL CL FW SC SC SC FW FW FW FW SC SC FW  
POP 12HR 20 40 30 50 0  
QPF 12HR 0.05 0.31 0.16 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C  
TSTMS S S C C C C C  
HEAT INDEX 89 93 85  
MAX HEAT 90 96 83 83 85  
 
DATE SUN 05/18/25 MON 05/19/25 TUE 05/20/25 WED 05/21/25  
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 51 73 47 70 53 71 57 70  
TEMP 55 53 70 66 48 48 67 67 56 54 67 68 60 58 70 66  
DEWPT 45 46 49 46 40 42 50 49 47 44 54 55 53 57 59 55  
PWIND DIR NW N NE E E SE SE SW  
WIND CHAR LT LT LT GN GN GN GN GN  
AVG CLOUDS FW FW FW FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 0 0 10 20 40 70 80 50  
RAIN SHWRS S S S C C L D L C C  
TSTMS S S S  
 
 
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