683  
FOUS53 KLOT 172015  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
315 PM CDT SUN AUG 17 2025  
 
ILZ104-180900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
315 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 88 72 87 68  
TEMP 79 75 72 71 70 70 77 85 88 85 79 77 74 73 79 85 86 82 75 72 70 69  
DEWPT 70 68 68 68 67 66 67 69 71 72 72 72 72 72 74 74 74 73 71 69 67 66  
RH 74 79 87 90 90 87 71 59 57 65 79 85 93 97 85 70 68 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 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 B2 B1 B1 B1 SC SC B1 B1 B2 B1 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 10 40 70 30 10  
QPF 12HR 0 0.08 0.45 0.09 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C L L C C S S  
TSTMS S C C C C L L C C S S  
HEAT INDEX 89 94 91 83 93 94 87  
MAX HEAT 89 94 88 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 78 66 80 65 85 67 83 61 76  
TEMP 78 73 68 67 80 76 67 66 84 81 71 68 82 77 66 62 76 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  
315 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 87 70 85 64  
TEMP 82 79 72 69 68 69 77 84 87 83 76 73 71 71 78 83 85 81 72 68 65 64  
DEWPT 73 71 67 66 67 68 71 74 75 74 73 72 70 71 73 74 72 71 69 66 64 63  
RH 74 77 84 90 97 97 82 72 68 74 90 97 97100 85 74 65 72 90 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 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 B1 B1 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 20 50 60 20 5  
QPF 12HR 0.04 0.09 0.51 0.03 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C L L L L S S  
TSTMS S C C C C C L C S S  
HEAT INDEX 88 90 96 90 90 92 85  
MAX HEAT 88 90 96 85 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 79 55 73  
TEMP 76 75 62 61 78 77 62 59 79 78 66 63 78 74 60 55 72 69  
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  
315 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 88 73 87 70  
TEMP 79 75 72 72 71 70 77 85 88 85 80 77 74 73 80 86 86 82 77 73 71 70  
DEWPT 71 70 69 69 68 66 66 69 71 71 71 71 71 71 74 74 74 73 71 70 68 68  
RH 77 84 90 90 90 87 69 59 57 63 74 82 90 93 82 68 68 74 82 90 90 93  
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 B1 B1 SC SC SC SC B1 B1 B2 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 10 40 70 40 10  
QPF 12HR 0 0.05 0.42 0.09 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C L L C C C C  
TSTMS C C C C L L C C C C  
HEAT INDEX 89 93 91 83 85 94 94 88  
MAX HEAT 82 89 93 88 94 95 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 78 67 79 66 84 68 83 63 76  
TEMP 78 73 70 68 79 76 69 67 84 81 72 69 82 77 68 63 76 72  
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 FW 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  
315 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 71 87 67  
TEMP 84 80 74 71 70 70 79 86 88 86 77 75 72 72 79 85 87 84 75 72 69 68  
DEWPT 74 73 70 69 69 69 72 74 75 76 74 73 72 72 76 77 76 75 73 70 68 67  
RH 72 79 87 93 97 97 79 68 66 72 90 94100100 91 77 70 74 94 93 97 97  
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 B1 B1 B2 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 10 40 60 40 10  
QPF 12HR 0 0.05 0.42 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C L L C C S S  
TSTMS C C C C C C C C S S  
HEAT INDEX 92 85 93 97 95 83 96 98 91  
MAX HEAT 93 93 98 89 96 98 86  
 
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 82 58 76  
TEMP 79 76 66 65 81 78 65 64 83 80 67 65 81 77 63 59 75 72  
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  
315 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 83 71 85 66  
TEMP 76 72 70 70 69 69 75 79 82 80 76 74 72 71 79 84 84 78 73 70 68 67  
DEWPT 67 66 67 67 66 66 67 69 71 71 71 71 70 71 75 75 75 73 70 69 66 65  
RH 74 81 90 90 90 90 76 72 69 74 85 90 93100 88 74 74 85 90 97 93 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 B2 B1 B1 B1 SC SC B2 B2 B2 B1 B2 B1 SC SC B1 B1 B1 B1  
POP 12HR 10 40 70 30 10  
QPF 12HR 0 0.08 0.70 0.10 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C L L L L C C S S  
TSTMS S C C C C L C C C S S  
HEAT INDEX 82 87 83 92 91  
MAX HEAT 82 87 92 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 75 64 77 62 83 65 80 59 73  
TEMP 75 71 66 65 76 72 64 64 81 78 68 65 80 74 63 60 73 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 B1 SC SC FW CL CL FW FW FW FW SC FW FW FW FW FW FW  
POP 12HR 5 0 0 0 0 5 5 5 5  
 

 
ILZ021-180900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
315 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 88 71 87 67  
TEMP 88 83 75 72 71 71 80 86 88 85 76 74 73 72 79 86 87 84 75 72 69 68  
DEWPT 76 75 72 70 70 70 73 75 76 77 74 73 71 72 76 78 78 77 73 70 68 67  
RH 68 77 90 93 97 97 79 70 68 77 94 97 93100 91 77 75 80 94 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 SC SC B1 B1 B1 B1 SC SC FW FW SC SC SC B1 B1 SC SC SC SC SC B1 B1  
POP 12HR 20 30 50 40 10  
QPF 12HR 0.03 0.02 0.31 0.15 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C C C C C C C C  
TSTMS S S S S C S S C C C C S C  
HEAT INDEX 99 90 85 94 98 94 84 98100 93  
MAX HEAT 99 85 94 99 88 98 100 87  
 
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 83 64 82 57 76  
TEMP 80 76 65 64 80 78 64 63 82 79 66 65 81 76 62 58 75 71  
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 FW 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  
315 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 66 86 69 85 68  
TEMP 83 77 73 71 68 67 75 82 86 83 75 71 70 70 76 84 85 80 73 70 68 69  
DEWPT 72 71 69 67 64 62 66 69 70 71 70 69 68 69 73 74 74 73 72 70 68 68  
RH 70 82 87 87 87 84 74 65 59 67 84 93 93 97 90 72 70 79 97100100 97  
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 SC SC SC SC FW FW SC B1 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 5 20 50 50 10  
QPF 12HR 0 0.11 0.31 0.17 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C C C C  
TSTMS S C C C C C C  
HEAT INDEX 88 86 91 87 91 92 83  
MAX HEAT 88 86 91 82 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 62 80 61 84 64 82 59 75  
TEMP 78 73 67 63 79 74 65 63 83 78 66 66 82 75 63 61 75 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 SC 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  
315 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 66 86 70 85 64  
TEMP 79 74 68 67 67 67 75 81 85 82 76 73 71 70 77 83 84 80 72 69 66 64  
DEWPT 71 68 65 65 66 67 69 73 74 75 73 72 71 70 75 75 75 72 69 67 65 63  
RH 77 82 90 93 97100 82 77 70 79 90 97100100 94 77 74 77 90 93 97 97  
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 B2 SC SC B1 B2 B1 B1 B1 SC B1 B2 B1 B2 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 20 50 70 20 5  
QPF 12HR 0.01 0.21 0.58 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C L L L L S S  
TSTMS C C C C C L L S S  
HEAT INDEX 80 85 93 89 90 93 83  
MAX HEAT 82 85 94 83 90 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 77 60 79 59 82 62 79 55 73  
TEMP 75 72 62 62 78 75 61 61 79 77 65 62 78 73 60 56 72 68  
DEWPT 67 65 62 62 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  
315 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 87 70 86 63  
TEMP 85 80 73 70 68 69 77 84 87 83 76 73 72 70 78 83 86 81 72 68 65 63  
DEWPT 75 73 69 67 67 69 72 75 76 76 74 72 71 70 74 75 74 72 69 66 65 63  
RH 72 79 87 90 97100 85 74 70 80 94 97 97100 88 77 68 74 90 93100100  
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 B1 B1 B2 B2 B1 B1 SC B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC B1  
POP 12HR 20 40 60 20 5  
QPF 12HR 0 0.06 0.35 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L S S  
TSTMS S C C C C C C C S S  
HEAT INDEX 92 84 92 98 92 90 93 86  
MAX HEAT 93 92 98 87 90 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 59 81 58 82 62 79 54 73  
TEMP 76 75 62 61 79 77 62 59 79 78 65 62 78 73 60 55 72 69  
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 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  
 

 
ILZ011-180900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
315 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 87 70 85 65  
TEMP 82 77 70 68 68 68 76 83 87 83 76 73 71 70 79 83 85 81 73 69 66 65  
DEWPT 73 71 67 66 68 68 71 74 75 75 74 72 71 70 74 75 74 72 70 67 65 64  
RH 74 82 90 93100100 85 74 68 77 94 97100100 85 77 70 74 90 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 B1 SC B1 B2 B1 B1 B1 SC SC B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 20 40 60 30 5  
QPF 12HR 0.03 0.13 0.48 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C L L C C S S  
TSTMS C C C C C L L C C S S  
HEAT INDEX 87 89 96 91 91 93 85  
MAX HEAT 88 89 96 84 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 60 81 59 82 62 79 55 74  
TEMP 77 74 62 62 79 76 62 61 80 78 65 63 79 74 60 56 72 69  
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  
315 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 70 86 64  
TEMP 86 81 74 71 69 69 78 85 88 84 77 74 72 71 79 84 86 82 73 69 65 64  
DEWPT 76 75 71 68 67 69 73 75 76 77 75 72 71 71 75 76 75 74 71 67 65 64  
RH 72 82 90 90 93100 85 72 68 80 94 93 97100 88 77 70 77 93 93100100  
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 SC B1 B1 B1 B1 B1 B1 B1 SC B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC B1  
POP 12HR 20 40 60 30 5  
QPF 12HR 0.01 0.16 0.34 0.03 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C L L C C  
TSTMS S C C C C C C C C C  
HEAT INDEX 96 87 94 99 93 93 95 88  
MAX HEAT 97 94 99 89 93 96 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 59 81 59 82 62 80 55 74  
TEMP 77 75 63 61 79 77 62 60 80 78 66 63 79 74 60 56 72 69  
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  
315 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 71 87 66  
TEMP 82 77 71 70 69 69 77 85 88 85 78 75 72 72 79 86 87 83 75 71 68 67  
DEWPT 72 70 67 67 67 67 69 72 73 74 73 73 71 72 75 76 75 72 70 68 66 65  
RH 72 79 87 90 93 93 76 65 61 70 85 94 97100 88 72 68 70 84 90 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 B2 B1 B1 B1 SC SC B1 B1 B2 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 10 40 60 30 10  
QPF 12HR 0 0.08 0.41 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 C C C C L L C C S S  
HEAT INDEX 86 90 95 92 83 95 96 88  
MAX HEAT 88 90 95 87 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 79 63 82 61 84 64 81 57 76  
TEMP 79 74 64 64 81 77 64 63 83 80 67 65 81 76 62 58 75 71  
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 FW  
POP 12HR 5 0 0 0 0 5 10 5 5  
 

 
ILZ020-180900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
315 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 71 87 66  
TEMP 83 79 72 70 69 69 77 85 88 85 77 75 72 72 79 85 87 83 75 71 68 67  
DEWPT 74 72 69 68 68 68 71 73 74 75 74 73 71 72 75 76 75 74 71 69 67 66  
RH 74 79 90 93 97 97 82 67 63 72 90 94 97100 88 75 68 74 87 93 97 97  
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 B1 B1 B2 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 10 40 60 40 10  
QPF 12HR 0 0.06 0.39 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C L L C C S S  
TSTMS S C C C C L L C C S S  
HEAT INDEX 90 92 96 93 82 95 96 89  
MAX HEAT 91 92 97 88 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 80 63 82 61 84 64 81 57 75  
TEMP 79 75 65 64 81 77 64 63 82 79 66 65 81 76 62 58 74 70  
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 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  
 

 
ILZ013-180900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
315 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 72 87 68  
TEMP 80 75 71 70 69 69 77 85 88 85 79 75 73 72 78 85 87 83 76 72 69 68  
DEWPT 71 69 68 68 68 67 68 71 72 73 73 72 72 72 74 75 74 73 71 69 67 66  
RH 74 82 90 93 97 93 74 63 59 67 82 90 97100 88 72 65 72 85 90 93 93  
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 B2 B1 B1 B1 SC SC B1 B1 B2 B1 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 10 40 60 40 10  
QPF 12HR 0 0.09 0.52 0.07 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C L L C C S S  
TSTMS S C C C C L L C C S S  
HEAT INDEX 83 90 95 92 94 95 89  
MAX HEAT 84 90 95 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 79 65 81 63 85 66 82 60 76  
TEMP 78 74 67 66 81 77 66 65 84 80 69 67 82 77 65 61 75 71  
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  
315 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 88 72 86 67  
TEMP 87 82 75 72 71 71 79 85 88 85 77 75 73 72 79 84 86 83 75 72 69 68  
DEWPT 75 75 72 69 69 70 73 74 75 76 74 73 72 71 74 76 75 74 72 69 67 66  
RH 68 79 90 90 93 97 82 70 66 75 90 94 97 97 85 77 70 74 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 SC SC B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC B1  
POP 12HR 20 40 60 40 10  
QPF 12HR 0.01 0.05 0.36 0.10 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C L L C C S S  
TSTMS S S S C C C C C C C C S S  
HEAT INDEX 97 88 92 97 94 93 96 90  
MAX HEAT 97 83 93 98 88 93 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 79 63 81 61 83 64 81 58 75  
TEMP 78 75 64 64 79 78 64 63 81 79 66 65 80 76 62 59 73 71  
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  
315 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 71 87 68  
TEMP 82 78 72 71 69 70 78 86 88 85 78 75 73 72 79 86 87 84 76 72 70 69  
DEWPT 74 72 69 69 68 68 70 73 73 75 74 73 72 72 76 77 76 75 72 70 69 68  
RH 77 82 90 93 97 93 76 65 61 72 88 94 97100 91 75 70 74 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 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1  
POP 12HR 10 40 60 40 10  
QPF 12HR 0 0.04 0.53 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C L L C C C C  
TSTMS S C S S L L C C C C  
HEAT INDEX 88 92 96 94 96 98 91  
MAX HEAT 90 93 97 90 97 98 87  
 
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 65 82 63 85 65 83 59 77  
TEMP 80 76 67 66 82 78 66 64 84 81 68 66 82 77 64 60 76 72  
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 FW 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  
315 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 70 87 67  
TEMP 85 80 74 71 70 70 78 84 88 84 75 73 72 71 78 86 87 83 74 71 69 68  
DEWPT 74 73 70 69 68 67 70 73 74 75 73 72 71 71 75 76 76 75 73 70 68 67  
RH 70 79 87 93 93 90 76 70 63 74 94 97 97100 91 72 70 77 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 B1 B1 B1 SC 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 0.01 0.30 0.09 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C C C C C  
TSTMS S C S S C C C C C C  
HEAT INDEX 92 85 90 96 91 95 97 90  
MAX HEAT 92 90 96 85 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 80 63 82 62 84 63 83 57 77  
TEMP 80 75 66 64 81 77 65 63 83 80 66 65 82 77 63 58 77 72  
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 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  
 

 
ILZ033-180900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
315 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 70 88 67  
TEMP 86 82 75 73 71 71 78 84 88 83 75 73 71 71 78 87 87 83 75 72 69 68  
DEWPT 74 74 72 70 68 68 71 73 74 74 73 71 70 71 74 75 75 75 73 70 68 67  
RH 68 77 90 90 90 90 79 70 63 74 94 93 97100 88 68 68 77 94 93 97 97  
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 SC SC SC B1 B1 SC SC SC SC FW SC SC SC B1 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 10 20 40 50 20  
QPF 12HR 0 0 0.24 0.24 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C C C C S S  
TSTMS S C C C C C C S S  
HEAT INDEX 94 89 91 96 90 96 97 90  
MAX HEAT 95 83 91 97 84 96 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 61 84 63 84 57 78  
TEMP 81 75 66 64 81 78 65 63 83 80 67 65 82 77 63 58 77 72  
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 FW 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  
315 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 89 71 89 68  
TEMP 87 84 77 74 72 72 80 86 88 84 76 74 72 72 80 88 89 84 75 72 70 68  
DEWPT 74 75 73 71 71 70 72 74 75 76 74 72 71 71 74 75 76 75 73 71 69 68  
RH 65 74 87 90 97 93 77 68 66 77 94 93 97 97 82 66 66 74 94 97 97100  
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 SC SC B1 B1 B1 SC SC SC SC FW FW SC SC SC B1 B1 SC SC SC B1 B1 B1  
POP 12HR 20 20 30 50 20  
QPF 12HR 0.02 0 0.10 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 S S  
TSTMS S S S S C C C S C C S S  
HEAT INDEX 96 91 83 94 98 93 84 97100 92  
MAX HEAT 96 86 95 98 85 98 100 87  
 
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 62 85 63 84 57 78  
TEMP 82 76 65 64 82 79 66 63 84 80 66 65 83 77 63 58 77 72  
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 0 0 0 0 10 5 5  
 

 
INZ001-180900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
315 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 87 70 86 68  
TEMP 81 76 71 71 69 68 75 84 87 84 75 72 71 70 77 84 86 81 73 70 69 68  
DEWPT 73 71 70 68 66 64 67 71 71 72 71 70 69 70 74 75 75 74 72 70 68 68  
RH 77 85 97 90 90 87 76 65 59 67 87 93 93100 90 74 70 79 97100 97100  
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 SC SC SC SC FW SC SC B1 B1 B1 B1 SC SC SC B1 B2 B1  
POP 12HR 10 30 50 50 10  
QPF 12HR 0 0.09 0.38 0.16 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C C C C C  
TSTMS S C S S C C C C C C  
HEAT INDEX 86 88 93 89 93 94 85  
MAX HEAT 87 89 93 84 93 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 78 63 80 62 84 64 83 59 76  
TEMP 78 73 67 64 79 74 65 63 83 79 67 65 82 76 64 60 76 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  
315 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 87 70 87 67  
TEMP 85 81 74 72 70 69 77 83 87 82 74 72 71 70 77 85 86 82 73 70 68 67  
DEWPT 73 74 72 70 68 66 69 72 73 74 72 70 69 70 74 75 75 75 72 70 68 67  
RH 67 79 93 93 93 90 76 70 63 77 93 93 93100 90 72 70 79 97100100100  
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 SC SC SC 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 C C C C C C S S  
TSTMS S C C C C C C S S  
HEAT INDEX 93 86 89 94 88 94 96 89  
MAX HEAT 93 89 94 94 97 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 81 61 84 62 83 56 77  
TEMP 80 74 65 63 80 77 64 62 82 79 65 64 82 77 62 58 77 71  
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 FW 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  
315 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 86 69 86 67  
TEMP 84 80 73 71 69 68 75 82 86 82 74 71 70 70 76 84 86 81 73 70 68 67  
DEWPT 73 73 71 69 66 64 68 71 72 72 71 69 68 70 74 76 76 75 72 69 68 67  
RH 70 79 93 93 90 87 79 69 63 72 90 93 93100 94 77 72 82 97 97100100  
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 SC SC SC FW FW FW SC B1 B1 B1 B1 SC SC SC B1 B1 B1  
POP 12HR 5 20 40 50 20  
QPF 12HR 0 0 0.15 0.14 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C C C S S  
TSTMS S C C C C C C S S  
HEAT INDEX 90 84 86 92 87 92 96 87  
MAX HEAT 91 86 92 92 96  
 
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 84 62 83 57 77  
TEMP 80 74 66 63 80 77 64 62 82 79 65 64 82 76 62 58 77 71  
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  
415 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 68 86 70 86 67  
TEMP 85 81 75 72 70 69 77 83 86 82 74 71 71 70 77 85 86 81 74 71 69 68  
DEWPT 74 74 72 70 68 67 69 73 73 74 71 70 69 70 74 75 76 75 73 70 68 68  
RH 70 79 90 93 93 93 76 72 65 77 90 97 93100 90 72 72 82 97 97 97100  
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 SC SC SC B1 B1 SC SC SC SC FW FW SC SC SC B1 B1 SC SC B1 B1 B1 B1  
POP 12HR 10 20 30 50 30  
QPF 12HR 0 0 0.11 0.20 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C C C C C C S S  
TSTMS S C C C C C C C S  
HEAT INDEX 92 87 89 93 88 93 95 88  
MAX HEAT 93 89 93 93 96  
 
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 81 63 81 62 84 63 83 57 77  
TEMP 80 74 66 64 80 77 65 63 82 79 66 65 81 76 63 59 76 71  
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 FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 10 5 0 0 0 0 5 5 5  
 

 
 
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