030  
FOUS53 KLOT 171815  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
115 PM CDT SUN AUG 17 2025  
 
ILZ104-180900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 71 90 72 87 69  
TEMP 79 75 72 71 71 72 78 85 86 84 79 77 75 74 79 84 84 81 75 72 71 70  
DEWPT 69 68 68 68 67 67 68 71 72 73 73 73 72 72 74 74 74 73 71 69 67 66  
RH 72 79 87 90 87 84 71 63 63 70 82 87 90 93 85 72 72 77 87 90 87 87  
WIND DIR NE NE NE E E SE SE S S S S S S SW SW W NW N N N N N  
WIND SPD 9 9 8 6 8 9 9 9 9 6 6 6 6 6 8 8 9 6 6 6 8 9  
CLOUDS B1 SC SC B1 B1 SC SC SC SC SC B1 B1 B2 B1 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 10 30 60 40 10  
QPF 12HR 0 0.11 0.43 0.09 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C L L C C S S  
TSTMS S S C C C C L L C C S S  
HEAT INDEX 90 93 90 83 91 91 85  
MAX HEAT 90 93 88 91 92  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 78 66 80 65 85 67 83 61 76  
TEMP 76 73 69 68 78 75 68 67 82 80 72 69 80 76 67 63 74 71  
DEWPT 66 64 65 65 63 62 64 64 65 64 65 64 61 58 57 56 53 52  
PWIND DIR N NE NE NE W W NW NW NW  
WIND CHAR GN GN GN LT LT LT GN LT GN  
AVG CLOUDS B1 SC SC SC FW FW CL FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 10 5 5  
 
 
ILZ003-180900-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 69 89 71 86 64  
TEMP 83 79 73 69 69 70 77 84 86 83 77 74 73 72 78 83 84 81 72 69 66 65  
DEWPT 72 70 67 66 66 69 71 74 75 75 74 73 71 71 73 74 72 71 69 66 64 63  
RH 70 74 81 90 90 97 82 72 70 77 90 97 93 97 85 74 67 72 90 90 93 93  
WIND DIR E E E E E SE SE S S S S SW SW SW W W NW N N N N N  
WIND SPD 10 9 8 6 5 8 9 10 9 6 5 6 5 5 6 8 9 6 5 4 5 6  
CLOUDS B1 B1 SC B1 B1 B1 B1 SC SC B2 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 SC  
POP 12HR 20 40 60 30 5  
QPF 12HR 0.09 0.31 0.49 0.03 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C C L L C C  
TSTMS S S C C C C C C L C C C  
HEAT INDEX 89 82 91 95 89 89 90 84  
MAX HEAT 89 91 95 85 89 91  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 78 59 80 58 82 62 78 54 73  
TEMP 75 74 63 62 78 76 62 60 79 78 67 64 76 73 60 56 71 68  
DEWPT 65 64 61 61 65 65 60 59 66 67 64 60 62 58 55 53 54 54  
PWIND DIR N NE NE NE W W NW NW NW  
WIND CHAR GN LT LT LT LT LT GN LT GN  
AVG CLOUDS SC SC FW FW FW FW CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 5 5 5  
 
 
ILZ104-180900-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 71 90 73 86 70  
TEMP 78 75 73 72 71 72 78 85 86 84 79 77 75 74 79 83 83 80 76 73 72 71  
DEWPT 71 69 68 68 68 67 68 71 72 73 73 73 72 72 74 74 74 73 71 70 68 68  
RH 79 82 84 87 90 84 71 63 63 70 82 87 90 93 85 74 74 79 85 90 87 90  
WIND DIR NE NE NE E E SE SE S S S S S S SW SW W NW N N N N N  
WIND SPD 9 8 6 6 8 9 9 8 9 6 6 8 6 6 8 8 9 6 6 6 8 9  
CLOUDS B1 SC SC B1 B1 SC SC SC SC SC SC B1 B1 B2 B1 B1 SC SC B1 B1 B1 B2  
POP 12HR 10 30 60 40 10  
QPF 12HR 0 0.06 0.40 0.09 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C L L C C C C  
TSTMS S S C C C C L L C C C C  
HEAT INDEX 90 92 90 83 83 90 90 85  
MAX HEAT 90 92 88 90 91  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 78 67 80 66 85 68 83 62 76  
TEMP 76 73 70 69 78 75 70 69 82 80 72 70 81 77 68 64 74 71  
DEWPT 67 65 66 65 64 63 65 65 65 65 65 65 62 59 58 57 54 53  
PWIND DIR N NE NE NE W W NW NW NW  
WIND CHAR GN GN GN LT LT LT GN LT GN  
AVG CLOUDS B1 SC SC SC FW FW CL CL FW FW FW SC SC FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 10 5 5  
 
 
ILZ021-180900-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 70 91 72 88 68  
TEMP 85 81 74 71 70 72 79 86 88 85 78 76 74 74 80 85 86 83 75 72 69 69  
DEWPT 74 72 70 69 69 70 73 76 76 77 75 74 73 73 76 77 76 75 73 70 68 67  
RH 70 74 87 93 97 93 82 72 68 77 91 94 97 97 88 77 72 77 94 93 97 93  
WIND DIR E E E E E SE SE S S S SE S S SW SW W NW N N N N N  
WIND SPD 8 8 6 5 5 6 8 8 9 5 5 5 4 5 6 8 8 5 5 4 5 6  
CLOUDS B1 SC SC B1 B1 SC SC SC SC FW B1 B1 B1 B1 B1 B2 SC SC SC SC SC B1  
POP 12HR 20 40 50 40 10  
QPF 12HR 0.03 0.04 0.46 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C C C C C C C S S  
TSTMS S S S S C C C C C C C C S S  
HEAT INDEX 92 85 83 96 99 95 84 95 96 90  
MAX HEAT 93 96 99 89 95 97 85  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 81 64 82 62 85 64 82 57 76  
TEMP 78 75 66 66 80 77 65 64 82 79 67 65 80 75 63 59 73 70  
DEWPT 69 65 64 64 67 65 62 63 69 68 65 64 65 62 58 56 57 55  
PWIND DIR N N NE NE W W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B1 SC SC SC FW FW CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 5 5 5  
 
 
ILZ006-180900-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 69 84 71 84 67  
TEMP 75 72 70 70 69 71 76 79 81 79 76 75 73 73 78 82 82 77 73 71 69 67  
DEWPT 67 66 67 66 66 68 70 71 73 73 73 73 72 72 75 75 75 73 70 69 66 65  
RH 76 81 90 87 90 90 82 77 77 82 90 94 97 97 91 79 79 87 90 93 90 93  
WIND DIR NE NE NE E SE SE SE SE SE SE S S SW SW W W NW N N N N N  
WIND SPD 10 9 8 9 11 11 12 11 10 8 6 6 6 6 8 9 9 6 6 6 8 9  
CLOUDS B1 SC SC SC B1 SC SC SC SC SC B2 B2 B2 B1 B1 B1 SC SC B1 B1 B1 B1  
POP 12HR 10 30 70 30 10  
QPF 12HR 0 0.13 0.76 0.10 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L C C S S  
TSTMS C C C C C C L C C C S S  
HEAT INDEX 82 86 82 89 88  
MAX HEAT 82 86 89 89  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 76 65 77 64 82 65 79 59 73  
TEMP 74 71 68 67 75 73 66 66 79 77 70 67 77 73 64 61 72 69  
DEWPT 68 65 65 64 65 64 63 63 67 68 65 63 64 61 57 56 56 56  
PWIND DIR N NE NE N SW W NW NW NW  
WIND CHAR GN GN LT LT LT LT GN LT GN  
AVG CLOUDS B1 SC SC SC FW CL CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 5 0 0 0 5 5 5 5  
 
 
ILZ021-180900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 71 90 72 87 67  
TEMP 89 83 76 73 71 73 80 87 89 84 77 75 74 73 79 84 85 82 74 72 69 68  
DEWPT 75 74 72 70 70 72 75 78 78 78 75 74 72 72 76 78 78 77 73 70 68 67  
RH 64 74 87 90 97 97 85 75 70 82 94 97 93 97 91 82 80 85 97 93 97 97  
WIND DIR E E NE E E SE SE S S S SE S SW S SW W NW NW N N N N  
WIND SPD 4 6 6 5 4 5 8 8 8 4 5 5 4 5 6 6 6 5 4 4 5 6  
CLOUDS B1 SC B1 B1 B1 FW SC FW FW FW SC SC SC B1 B1 SC SC SC SC SC B1 B1  
POP 12HR 20 40 40 40 10  
QPF 12HR 0 0 0.31 0.15 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S S S C C S S C C C C C C  
TSTMS S S S S S S C C S S C C C C S C  
HEAT INDEX 99 91 85100103 95 83 95 97 91  
MAX HEAT 99 86 100 103 90 95 98 85  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 81 63 82 62 84 64 82 56 76  
TEMP 78 75 65 64 79 77 64 63 81 78 66 65 79 75 62 58 73 70  
DEWPT 70 67 63 64 68 67 63 62 70 70 64 63 66 63 58 55 58 56  
PWIND DIR N N NE NE NW W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B1 SC SC SC FW FW CL FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 5 0 0 0 0 0 5 5 5  
 
 
INZ002-180900-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 68 88 69 86 68  
TEMP 83 77 73 71 69 69 76 84 87 82 76 73 71 71 76 83 84 79 74 71 70 70  
DEWPT 71 70 69 67 64 64 67 71 72 72 70 68 68 70 73 74 74 73 72 70 68 68  
RH 67 79 87 87 84 84 74 65 61 72 82 84 90 97 90 74 72 82 93 97 93 93  
WIND DIR N N NE E E SE SE S S SE SE SE S S SW SW NW N N N N N  
WIND SPD 6 6 5 8 9 8 9 8 8 5 6 6 6 5 8 8 8 5 4 4 5 6  
CLOUDS B1 SC SC B1 B1 FW FW FW FW FW FW SC B1 B2 B1 B1 SC SC SC SC B1 B1  
POP 12HR 5 20 50 50 10  
QPF 12HR 0 0.25 0.31 0.17 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C C  
TSTMS S S C C C C C C  
HEAT INDEX 87 88 93 87 89 90 83  
MAX HEAT 87 88 93 83 89 91  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 78 62 80 61 85 64 83 59 75  
TEMP 77 73 67 64 78 74 65 63 82 79 67 66 80 75 64 62 74 69  
DEWPT 67 65 65 62 64 64 63 62 64 65 64 64 62 60 58 57 55 53  
PWIND DIR N NE NE NE NW W NW NW NW  
WIND CHAR GN LT GN LT LT LT LT LT GN  
AVG CLOUDS B1 SC SC FW FW FW CL CL CL FW FW FW FW FW FW FW FW FW  
POP 12HR 10 0 0 0 0 0 10 5 5  
 
 
ILZ005-180900-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 67 88 70 85 64  
TEMP 79 74 67 67 67 69 76 83 85 82 76 74 72 71 77 82 83 79 72 69 66 65  
DEWPT 70 67 65 65 66 68 72 75 76 76 74 72 71 71 75 75 75 72 69 67 65 63  
RH 74 79 93 93 97 97 87 77 75 82 94 93 97100 94 79 77 79 90 93 97 93  
WIND DIR E E NE E E SE SE S S S S SW SW SW W W NW N N N N N  
WIND SPD 9 9 8 5 6 8 9 9 9 6 5 6 5 5 6 8 9 6 4 4 5 6  
CLOUDS B1 SC SC B1 B1 SC B1 SC SC SC B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 20 40 70 30 5  
QPF 12HR 0.07 0.34 0.61 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C C L L C C  
TSTMS S S C C C C C C L L C C  
HEAT INDEX 81 90 94 89 88 91  
MAX HEAT 82 90 94 84 89 91  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 77 61 79 59 82 62 78 55 73  
TEMP 74 72 63 63 77 74 62 61 79 77 66 64 76 72 60 57 70 67  
DEWPT 67 65 62 63 66 65 60 61 67 68 64 61 63 60 56 54 56 55  
PWIND DIR NE NE NE NE W W NW NW NW  
WIND CHAR GN LT LT LT LT LT GN LT GN  
AVG CLOUDS SC SC SC FW FW FW CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 5 5 5  
 
 
ILZ008-180900-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 68 89 71 86 64  
TEMP 85 80 73 70 69 70 78 85 86 83 77 74 73 72 78 83 85 81 73 69 66 65  
DEWPT 73 72 68 66 67 69 73 75 76 76 74 73 72 71 74 75 74 72 69 66 65 64  
RH 67 77 84 87 93 97 85 72 72 80 90 97 97 97 88 77 70 74 87 90 97 97  
WIND DIR E E E E E SE SE S S S S SW SW SW W W NW N N N N N  
WIND SPD 9 9 8 6 5 6 9 10 9 6 5 6 5 4 5 6 8 5 4 4 5 6  
CLOUDS B1 B1 SC B1 B1 B1 B1 SC SC SC B2 B1 B1 B1 B1 B1 SC SC SC SC SC B1  
POP 12HR 20 40 60 30 5  
QPF 12HR 0.06 0.17 0.35 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C C C L L C C  
TSTMS S S S C C C C C C C C C C  
HEAT INDEX 91 84 94 97 90 90 92 85  
MAX HEAT 92 94 97 87 90 92  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 78 59 81 58 82 62 78 54 73  
TEMP 75 73 63 61 78 76 62 60 79 77 66 64 76 72 60 56 71 68  
DEWPT 66 65 61 61 66 66 60 59 67 68 64 61 63 60 55 53 55 55  
PWIND DIR NE NE NE NE W W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC FW FW SC FW CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 5 5 5  
 
 
ILZ011-180900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 68 89 71 86 65  
TEMP 82 78 71 69 68 70 77 84 87 83 76 74 72 71 78 83 84 80 72 69 66 65  
DEWPT 72 71 67 66 67 69 72 75 75 75 75 73 71 71 74 75 74 72 70 67 65 64  
RH 72 79 87 90 97 97 85 74 68 77 97 97 97100 88 77 72 77 93 93 97 97  
WIND DIR E E E E E SE SE S S S S SW SW SW W W NW N N N N N  
WIND SPD 9 9 8 5 6 9 10 9 10 6 5 6 6 5 6 8 8 5 4 4 5 6  
CLOUDS B1 SC SC B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 20 40 60 30 5  
QPF 12HR 0.05 0.40 0.50 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C C L L C C S S  
TSTMS S S C C C C C C L L C C S S  
HEAT INDEX 88 93 97 90 90 91 84  
MAX HEAT 88 93 97 84 90 92  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 79 61 81 59 82 62 79 55 73  
TEMP 75 73 63 63 78 75 62 61 79 77 66 64 77 73 60 57 71 68  
DEWPT 66 64 61 62 66 64 60 60 67 67 63 62 63 60 56 54 55 54  
PWIND DIR N NE NE NE W W NW NW NW  
WIND CHAR GN LT LT LT LT LT GN LT GN  
AVG CLOUDS B1 SC FW FW FW FW CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 5 5 5  
 
 
ILZ010-180900-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 69 90 71 86 64  
TEMP 86 82 74 71 69 71 79 86 88 83 77 74 73 72 79 84 85 81 73 69 67 65  
DEWPT 74 74 70 67 67 70 74 76 77 77 75 73 72 72 75 76 75 74 71 67 65 64  
RH 68 77 87 87 93 97 85 72 70 82 94 97 97100 88 77 72 79 93 93 93 97  
WIND DIR E E E E E SE SE S S S S SW SW SW W W NW N N N N N  
WIND SPD 9 9 8 8 5 6 9 9 9 6 6 5 5 4 5 5 6 4 4 4 4 5  
CLOUDS B1 B1 B1 B1 B1 SC SC SC SC B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC B1  
POP 12HR 20 40 60 30 5  
QPF 12HR 0.13 0.17 0.32 0.03 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C C C C C L L C C  
TSTMS S S S S C C C C C C C C C C  
HEAT INDEX 94 87 96100 93 92 94 87  
MAX HEAT 95 83 96 100 89 92 94  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 79 60 81 59 82 62 79 55 74  
TEMP 75 74 63 62 78 76 63 61 79 78 66 64 77 73 60 56 71 68  
DEWPT 67 66 62 61 67 67 62 60 68 69 65 62 64 61 56 54 56 57  
PWIND DIR NE NE NE E W W NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC FW SC FW CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 5 5 5  
 
 
ILZ012-180900-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 69 90 71 87 66  
TEMP 82 77 71 70 69 71 78 85 88 83 78 75 73 72 79 84 85 81 74 70 68 67  
DEWPT 71 69 67 67 67 69 71 74 75 75 74 73 72 72 75 76 75 72 70 68 66 65  
RH 69 76 87 90 93 93 79 70 66 77 88 94 97100 88 77 72 74 87 93 93 93  
WIND DIR E E NE E E SE SE S S S S S SW SW SW W NW N N N N N  
WIND SPD 9 9 8 5 6 8 9 9 9 6 5 6 6 5 8 9 9 6 5 5 6 8  
CLOUDS B1 SC SC B1 B1 SC SC SC SC SC B2 B1 B2 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 10 40 60 40 10  
QPF 12HR 0 0.13 0.42 0.07 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L C C S S  
TSTMS C C C C C C L L C C S S  
HEAT INDEX 86 93 97 91 92 93 86  
MAX HEAT 86 93 97 86 92 94 82  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 79 63 82 61 84 64 81 57 75  
TEMP 77 73 65 65 79 76 64 63 81 78 67 66 79 74 62 59 73 69  
DEWPT 67 64 63 64 65 63 62 62 67 66 64 63 63 59 56 55 55 54  
PWIND DIR N NE NE NE W W NW NW NW  
WIND CHAR GN LT LT LT LT LT GN LT GN  
AVG CLOUDS B1 SC SC SC FW FW CL FW FW FW FW SC SC FW FW FW FW SC  
POP 12HR 5 0 0 0 0 5 10 5 5  
 
 
ILZ020-180900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 70 91 72 87 67  
TEMP 83 79 73 71 70 71 79 86 88 84 78 76 73 73 79 84 85 82 75 71 69 68  
DEWPT 73 71 69 68 68 70 72 75 75 76 75 73 72 72 75 76 75 74 71 69 67 66  
RH 72 77 87 90 93 97 79 70 66 77 91 90 97 97 88 77 72 77 87 93 93 93  
WIND DIR E E E E E SE SE S S S S S S SW SW W NW NW N N N N  
WIND SPD 8 8 6 5 5 6 8 8 9 5 5 6 5 5 6 8 8 6 5 4 5 6  
CLOUDS B1 SC SC B1 B1 SC SC SC SC SC B1 B1 B2 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 20 40 60 40 10  
QPF 12HR 0.03 0.09 0.40 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C C C L L C C S S  
TSTMS S S S S C C C C L L C C S S  
HEAT INDEX 89 81 95 99 93 83 93 94 88  
MAX HEAT 90 95 99 88 93 95 84  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 80 63 82 62 84 64 81 57 75  
TEMP 78 74 65 65 80 76 64 63 81 79 67 65 79 74 62 58 73 69  
DEWPT 68 64 63 64 66 64 62 62 68 68 64 63 64 61 57 55 56 54  
PWIND DIR N N NE NE W W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B1 SC FW SC FW FW CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 5 5 5  
 
 
ILZ013-180900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 70 90 72 87 68  
TEMP 80 76 71 71 70 72 78 85 87 84 79 76 74 74 79 84 85 82 75 72 70 69  
DEWPT 70 68 67 68 67 68 70 73 73 74 74 73 72 72 74 75 74 73 71 69 67 66  
RH 72 76 87 90 90 87 76 67 63 72 85 90 93 93 85 74 70 74 87 90 90 90  
WIND DIR NE NE NE E E SE SE S S S S S S SW SW W NW N N N N N  
WIND SPD 9 9 6 5 6 8 9 9 9 6 5 6 6 6 8 9 9 6 5 5 6 8  
CLOUDS B1 SC SC B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 10 30 60 40 10  
QPF 12HR 0 0.12 0.53 0.07 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C L L C C S S  
TSTMS S S C C C C L L C C S S  
HEAT INDEX 83 92 95 91 92 92 87  
MAX HEAT 84 92 95 88 92 93 83  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 79 65 81 64 85 66 82 60 76  
TEMP 77 73 68 67 79 76 67 66 82 80 70 68 80 76 65 61 74 70  
DEWPT 66 64 64 65 64 62 63 63 66 65 64 64 62 58 56 55 53 53  
PWIND DIR N NE NE NE W W NW NW NW  
WIND CHAR GN GN GN LT LT LT GN LT GN  
AVG CLOUDS B1 SC SC SC FW FW CL FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 10 5 5  
 
 
ILZ019-180900-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 71 90 73 87 67  
TEMP 87 82 75 72 71 72 79 86 88 84 78 76 74 73 79 83 85 82 75 72 69 68  
DEWPT 75 74 71 69 69 70 73 75 76 76 75 73 72 71 74 76 75 74 72 69 67 66  
RH 68 77 87 90 93 93 82 70 68 77 91 90 93 93 85 80 72 77 90 90 93 93  
WIND DIR E E E E E SE SE S S S S S SW SW SW W NW N N N N N  
WIND SPD 6 8 8 6 5 6 8 8 9 6 5 5 5 5 6 6 6 5 4 4 5 6  
CLOUDS B1 SC B1 B1 B1 SC SC SC FW SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC B1  
POP 12HR 20 40 50 40 10  
QPF 12HR 0.03 0.08 0.36 0.10 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C C C C C C C S S  
TSTMS S S S C C C C C C C C C C S S  
HEAT INDEX 96 89 83 95 99 94 92 94 88  
MAX HEAT 97 84 95 99 88 92 94 84  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 80 63 81 62 83 64 80 57 74  
TEMP 77 75 65 65 79 77 64 63 80 79 66 65 78 74 62 58 72 69  
DEWPT 68 65 62 62 66 66 61 61 67 68 64 62 63 61 57 54 55 54  
PWIND DIR N NE NE NE NW W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B1 SC FW SC FW FW CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 5 5 5  
 
 
ILZ106-180900-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 70 91 72 88 68  
TEMP 82 78 73 71 70 72 79 86 88 84 78 76 74 73 79 85 85 83 76 72 70 69  
DEWPT 73 71 69 69 68 69 72 75 75 76 75 74 73 73 76 77 76 75 72 70 69 68  
RH 74 79 87 93 93 90 79 70 66 77 91 94 97100 91 77 75 77 87 93 97 97  
WIND DIR E E NE E E SE SE S S S SE S S SW SW W NW N N N N N  
WIND SPD 8 8 6 5 6 8 9 8 9 5 5 6 5 5 6 8 8 5 4 4 5 6  
CLOUDS B1 SC SC B1 B1 SC SC SC SC SC SC B1 B2 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 10 30 60 40 10  
QPF 12HR 0 0.05 0.55 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C S S L L C C C C  
TSTMS S S C C S S L L C C C C  
HEAT INDEX 88 81 96 98 93 94 95 89  
MAX HEAT 88 96 98 89 94 96 85  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 81 65 82 63 85 65 83 58 77  
TEMP 78 74 68 66 80 76 66 65 82 80 68 66 81 76 64 60 74 70  
DEWPT 68 65 65 65 66 64 64 64 68 67 65 65 64 61 58 56 56 54  
PWIND DIR N NE NE NE W W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B1 SC SC SC FW FW CL FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 10 5 5  
 
 
ILZ023-180900-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 70 90 71 87 67  
TEMP 85 80 74 71 70 71 78 86 87 83 76 74 73 72 78 84 85 82 74 71 69 68  
DEWPT 73 72 69 69 68 69 71 74 75 75 74 72 71 71 75 76 76 75 73 70 68 67  
RH 67 77 84 93 93 93 79 68 68 77 94 93 93 97 91 77 75 79 97 97 97 97  
WIND DIR NE NE NE E E SE SE S S S SE S S S SW W W NW N N N N  
WIND SPD 5 6 6 4 6 8 8 8 8 5 5 5 4 4 6 6 6 4 3 3 3 4  
CLOUDS B1 SC SC B1 B1 FW SC SC SC FW SC SC B1 B1 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 10 30 50 50 10  
QPF 12HR 0 0.03 0.28 0.09 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C S S C C C C C C  
TSTMS S S C C S S C C C C C C  
HEAT INDEX 92 84 94 97 91 93 94 88  
MAX HEAT 92 94 97 85 93 95 83  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 81 62 82 61 85 63 83 56 77  
TEMP 78 73 66 64 79 76 65 63 82 79 66 65 81 75 62 58 75 70  
DEWPT 68 65 65 63 66 65 64 63 67 68 64 63 64 61 58 56 55 54  
PWIND DIR N NE NE NE N W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC FW SC FW FW CL FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 5 0 0 0 0 0 5 5 5  
 
 
ILZ033-180900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 70 90 71 88 68  
TEMP 86 82 74 72 71 71 79 86 88 83 76 74 72 72 78 85 86 82 74 72 69 69  
DEWPT 74 74 70 69 68 69 72 74 75 74 73 71 70 71 74 75 75 75 73 70 68 67  
RH 68 77 87 90 90 93 79 68 66 74 90 90 93 97 88 72 70 79 97 93 97 93  
WIND DIR NE NE NE E E SE SE S S SE SE S S S SW W W NW N N N N  
WIND SPD 4 5 5 5 5 6 8 6 6 5 5 5 5 4 5 5 5 4 2 2 3 4  
CLOUDS B1 SC SC B1 B1 SC FW SC FW FW SC SC SC B1 B1 SC SC SC SC B1 B1 B1  
POP 12HR 20 20 40 50 20  
QPF 12HR 0 0 0.27 0.24 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S S S C C C C C C S S  
TSTMS S S S S S S C C C C C C S S  
HEAT INDEX 94 87 94 97 91 93 95 89  
MAX HEAT 94 95 98 85 94 96 84  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 82 63 83 61 85 63 84 56 78  
TEMP 79 74 66 64 80 77 65 63 82 79 66 65 81 76 62 58 75 71  
DEWPT 68 65 64 63 66 64 63 62 66 66 64 62 63 60 58 55 55 53  
PWIND DIR N NE NE NE N NW NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC FW FW FW FW FW FW FW FW SC FW FW FW FW FW  
POP 12HR 10 0 0 0 0 0 10 5 5  
 
 
ILZ039-180900-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 72 92 72 89 68  
TEMP 88 85 77 74 72 73 80 87 89 85 77 75 73 73 79 86 87 83 74 72 70 69  
DEWPT 74 74 73 71 70 71 74 76 76 76 74 72 71 71 74 75 76 75 73 71 69 68  
RH 63 70 87 90 93 93 82 70 66 75 90 90 93 93 85 70 70 77 97 97 97 97  
WIND DIR NE E NE E E SE SE S S SE SE S S SW SW W W NW N N N N  
WIND SPD 3 4 5 5 4 6 8 6 5 4 5 5 5 5 6 6 6 4 4 4 4 5  
CLOUDS B1 SC B1 B1 B1 FW FW SC SC FW FW SC SC SC B1 SC SC SC B1 B1 B1 B1  
POP 12HR 20 30 30 50 20  
QPF 12HR 0 0 0.09 0.16 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S S S C C C C C C C C S S  
TSTMS S S S S S S C C C C C S C C S S  
HEAT INDEX 97 92 85 97100 93 83 95 97 90  
MAX HEAT 97 87 97 100 87 95 98 85  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 83 63 83 62 86 63 84 57 78  
TEMP 80 75 66 65 80 77 65 63 83 79 67 65 81 76 63 58 76 71  
DEWPT 69 66 64 63 66 65 63 62 67 67 64 63 65 62 58 55 56 54  
PWIND DIR N N NE NE N NW NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 10 0 5 0 0 0 10 5 5  
 
 
INZ001-180900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 69 89 70 86 68  
TEMP 81 76 72 71 69 69 77 84 87 83 76 74 72 72 77 83 84 80 74 71 70 70  
DEWPT 72 70 69 68 66 65 69 73 73 73 72 70 69 71 74 75 75 74 72 70 68 68  
RH 74 82 90 90 90 87 76 70 63 72 87 87 90 97 90 77 74 82 93 97 93 93  
WIND DIR N NE NE E SE SE SE S S S S S S S SW W NW N N N N N  
WIND SPD 6 6 5 6 8 8 8 8 8 5 5 6 6 5 8 8 8 5 4 4 5 6  
CLOUDS B1 SC SC B1 B1 FW FW FW FW FW SC SC B1 B1 B1 B1 SC SC SC B1 B2 B1  
POP 12HR 5 20 50 50 10  
QPF 12HR 0 0.18 0.39 0.16 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C C C C C  
TSTMS S S S S C C C C C C  
HEAT INDEX 86 91 94 89 91 92 84  
MAX HEAT 86 91 94 85 91 93  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 78 63 80 62 85 64 83 59 76  
TEMP 76 72 68 65 78 74 66 64 82 79 68 66 81 75 64 61 74 70  
DEWPT 68 66 66 63 66 64 64 63 65 65 64 64 63 60 58 56 55 53  
PWIND DIR N NE NE NE W W NW NW NW  
WIND CHAR GN LT GN LT LT LT LT LT GN  
AVG CLOUDS B1 SC SC SC FW FW CL FW CL FW FW FW SC FW FW FW FW FW  
POP 12HR 10 0 0 0 0 0 10 5 5  
 
 
INZ010-180900-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 70 89 70 87 67  
TEMP 85 81 74 71 70 71 78 85 87 82 75 73 72 71 77 84 85 81 74 71 69 68  
DEWPT 74 74 70 69 68 68 71 74 75 74 72 70 69 70 74 75 75 75 72 70 68 67  
RH 70 79 87 93 93 90 79 70 68 77 90 90 90 97 90 74 72 82 93 97 97 97  
WIND DIR NE NE NE E E SE SE S S SE SE SE S S SW W W NW N N N N  
WIND SPD 4 5 5 5 6 8 8 6 5 4 5 5 5 4 5 5 5 4 2 2 3 4  
CLOUDS B1 SC SC B1 B1 SC FW FW FW FW FW SC SC B1 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 10 20 40 50 20  
QPF 12HR 0 0 0.22 0.17 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C C C C C S S  
TSTMS S S S S C C C C C C S S  
HEAT INDEX 92 86 93 96 89 92 94 87  
MAX HEAT 92 93 96 83 92 95  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 82 63 82 61 85 63 84 56 78  
TEMP 79 74 66 64 79 76 64 63 82 79 66 65 81 75 62 58 75 70  
DEWPT 69 65 64 62 66 64 63 62 66 66 63 62 64 61 57 55 55 53  
PWIND DIR N N NE NE N W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC FW FW CL FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 10 0 0 0 0 0 10 5 5  
 
 
INZ011-180900-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
115 PM CDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 69 88 69 86 67  
TEMP 84 80 73 71 70 69 76 84 87 82 75 73 71 71 76 83 85 81 73 70 69 68  
DEWPT 73 73 70 69 67 66 70 74 74 74 71 69 68 69 74 76 76 75 72 69 68 67  
RH 70 79 90 93 90 90 82 72 65 77 87 87 90 93 94 80 75 82 97 97 97 97  
WIND DIR N NE NE E E E SE SE S SE SE SE S S SW SW W NW N N N N  
WIND SPD 5 5 5 5 8 8 8 6 6 5 5 5 5 4 5 6 5 4 3 3 3 4  
CLOUDS B1 SC SC B1 B1 FW FW FW FW FW FW SC B1 B1 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 10 10 40 50 20  
QPF 12HR 0 0 0.14 0.14 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C S S  
TSTMS C C C C C C S S  
HEAT INDEX 91 84 91 95 88 91 94 86  
MAX HEAT 91 91 96 83 91 94  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 81 62 82 61 85 63 84 56 77  
TEMP 79 74 66 63 79 76 64 62 82 79 66 65 81 75 62 58 75 70  
DEWPT 69 66 64 62 66 65 62 61 66 66 63 62 64 61 57 55 56 54  
PWIND DIR N N NE NE N W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC FW FW FW FW CL FW FW FW FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 0 5 5 5  
 
 
INZ019-180900-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
215 PM EDT SUN AUG 17 2025  
 
DATE 08/17/25 MON 08/18/25 TUE 08/19/25 WED  
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 70 88 70 87 68  
TEMP 85 81 75 72 70 71 78 84 87 82 75 73 72 71 77 84 85 81 74 72 69 69  
DEWPT 74 74 71 69 68 68 71 75 75 74 72 70 69 70 74 75 76 75 73 70 68 68  
RH 70 79 87 90 93 90 79 74 68 77 90 90 90 97 90 74 75 82 97 93 97 97  
WIND DIR N NE NE E E E SE S S SE SE SE S S SW SW W NW N N N N  
WIND SPD 4 4 5 5 8 8 8 5 5 4 5 4 5 4 5 5 5 3 2 2 3 4  
CLOUDS B1 SC SC B1 B1 FW FW FW SC FW FW SC SC SC B1 B1 SC SC B1 B1 B1 B1  
POP 12HR 10 10 30 50 30  
QPF 12HR 0 0 0.11 0.20 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C S S  
TSTMS C C C C C C C S  
HEAT INDEX 92 86 93 96 88 92 93 87  
MAX HEAT 92 93 96 92 94  
 
DATE 08/20 THU 08/21/25 FRI 08/22/25 SAT 08/23/25 SUN 08/24/25  
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 82 64 82 62 84 63 83 57 77  
TEMP 78 74 66 65 79 76 65 63 82 79 67 65 81 75 62 58 75 70  
DEWPT 69 66 64 63 66 65 63 62 66 66 63 63 64 62 58 56 56 54  
PWIND DIR N N NE NE N W NW NW NW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC SC FW FW CL FW FW FW FW FW FW FW FW FW FW  
POP 12HR 10 5 0 0 0 0 5 5 5  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
The Nexlab IN Page
Main Text Page