807  
FOUS53 KLOT 110515  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1215 AM CDT TUE AUG 11 2026  
 
ILZ104-120900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 81 68 83 68  
TEMP 74 72 72 74 76 79 78 74 72 70 70 76 80 82 79 74 72 70 69  
DEWPT 71 70 70 72 73 72 72 71 70 69 70 73 73 73 72 71 70 69 69  
RH 90 93 93 93 90 79 82 90 93 97100 90 79 74 79 90 93 97100  
WIND DIR E SE SE S S S NE E E SE E SE NE NE E E NE N NE  
WIND SPD 3 3 4 6 6 5 4 3 2 2 2 3 4 5 5 3 3 3 3  
CLOUDS B2 B2 B2 OV OV B1 SC SC SC B1 B1 B1 B2 B1 SC SC SC B1 B2  
POP 12HR 40 90 40 60 20  
QPF 12HR 0.15 0.85 0.04 0.12 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C L L S C C C L L S S C  
TSTMS C C C L L S C C C C C  
HEAT INDEX 83 83 87 82  
MAX HEAT 84 83 87  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 79 67 76 65 80 69 80 65 76  
TEMP 77 75 71 68 74 73 68 67 77 78 73 71 78 76 70 67 74 73  
DEWPT 71 69 66 65 67 63 64 65 70 71 70 69 72 69 66 65 67 64  
PWIND DIR NE NE NE E S SW NW N NE  
WIND CHAR LT LT GN LT GN LT LT LT LT  
AVG CLOUDS B2 OV B2 B2 B1 B1 B1 B2 B1 B2 B1 B2 B2 B2 B1 SC B1 B1  
POP 12HR 60 40 30 50 50 60 40 30 10  
RAIN SHWRS C L C C C S C C C L L C C C S  
TSTMS C S S C C C C S S  
 

 
ILZ003-120900-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 82 66 83 65  
TEMP 73 70 69 73 77 80 79 72 69 68 68 74 80 82 80 71 69 67 66  
DEWPT 71 70 69 71 72 72 73 71 69 68 68 71 73 72 72 71 69 67 66  
RH 93100100 93 85 77 82 97100100100 90 79 72 77100100100100  
WIND DIR E E E SE SE W E E SE SE SE S SE NE E E E E NE  
WIND SPD 2 3 3 6 8 5 4 2 1 1 1 4 3 5 3 2 2 2 2  
CLOUDS B1 B1 B2 OV OV B1 SC SC SC B1 SC B2 B2 SC SC SC SC B1 B2  
POP 12HR 40 80 40 40 20  
QPF 12HR 0.15 0.68 0.05 0.06 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L C S S C C C C C S S S S C  
TSTMS C C L L C S S C C C C C S  
OBVIS PF PF  
HEAT INDEX 84 83 83 87 84  
MAX HEAT 86 83 87  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 79 63 77 62 80 66 79 61 77  
TEMP 77 75 66 64 75 73 63 64 76 77 68 67 76 75 65 62 74 73  
DEWPT 71 68 65 63 65 63 61 64 70 71 68 67 70 69 65 62 65 65  
PWIND DIR NE NE E E S SW NW N NE  
WIND CHAR LT LT GN GN GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B1 B2 B1 B1 B1 B2 B1 B1 B2 B2 B1 SC SC B1  
POP 12HR 60 30 40 60 60 50 40 20 10  
RAIN SHWRS C L C C C S C L L C C C C C S S  
TSTMS C S S S C C C C C S  
 

 
ILZ104-120900-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 81 69 82 69  
TEMP 73 73 72 75 76 79 78 74 73 71 71 76 80 81 79 75 73 71 70  
DEWPT 71 71 71 72 71 71 71 71 71 70 70 72 72 71 71 70 70 69 69  
RH 93 93 97 90 85 77 79 90 93 97 97 87 77 72 77 84 90 93 97  
WIND DIR E SE S S SW S NE E SE SE S SE N NE NE E NE N NE  
WIND SPD 4 5 5 8 8 6 6 6 4 3 3 4 5 6 8 5 4 5 5  
CLOUDS B2 B2 B2 OV OV B1 SC SC SC B1 B1 B1 B2 B1 SC SC SC B1 B1  
POP 12HR 40 80 30 60 20  
QPF 12HR 0.15 0.96 0.05 0.13 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C L D C S C C C L L S S C  
TSTMS C C C L D C S C C C C C S  
HEAT INDEX 83 85  
MAX HEAT 83 83 85  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 80 68 77 66 80 70 81 67 76  
TEMP 78 75 72 69 74 73 70 67 78 78 73 71 78 76 70 67 74 73  
DEWPT 70 67 66 65 65 62 64 65 69 70 70 69 70 68 67 66 65 63  
PWIND DIR NE NE NE E S SW NW N NE  
WIND CHAR LT LT GN LT GN LT LT LT LT  
AVG CLOUDS B2 OV B2 B2 B1 B2 B1 B2 B1 B2 B1 B2 B1 B2 B1 B1 SC B1  
POP 12HR 60 40 20 50 50 60 40 30 10  
RAIN SHWRS C L C C S S C C S L L C C C S  
TSTMS S C S S S C C S C S S  
 

 
ILZ021-120900-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 84 69 85 69  
TEMP 74 72 72 77 80 82 81 74 72 70 70 77 82 84 81 74 71 70 69  
DEWPT 72 71 70 74 75 75 74 72 71 70 70 74 75 75 73 72 70 69 69  
RH 93 97 93 90 85 79 79 93 97100100 90 79 74 77 93 97 97100  
WIND DIR E SE SE S S SW NE E SE SE E E SW E NE E E NE E  
WIND SPD 3 3 4 6 6 5 3 3 2 2 2 4 4 4 3 3 2 3 3  
CLOUDS B2 B2 B1 OV OV B1 SC SC SC B1 B1 B1 B2 SC SC SC SC B1 B2  
POP 12HR 30 80 40 60 30  
QPF 12HR 0.15 0.67 0.05 0.12 0.05  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L L S S C C C L L C C S S C  
TSTMS S C C L L S S C C C C C C S S  
HEAT INDEX 84 90 86 89 91 87  
MAX HEAT 84 92 89 91  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 82 67 80 66 83 70 83 65 78  
TEMP 80 76 70 68 77 76 68 68 80 81 73 70 80 78 69 66 76 75  
DEWPT 73 70 67 66 69 66 65 66 73 73 70 69 74 71 68 65 69 67  
PWIND DIR E NE E E S SW NW N NE  
WIND CHAR LT LT GN GN GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 SC B1 B1 B2 B1 SC B1 B1  
POP 12HR 60 60 30 50 50 50 30 30 20  
RAIN SHWRS C L L L C S C C S C C C C C C S  
TSTMS S C C S S S C C S C S S  
 

 
ILZ006-120900-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 78 66 79 65  
TEMP 70 69 70 74 76 77 75 70 69 68 69 75 78 79 76 71 69 66 68  
DEWPT 70 69 70 71 71 71 70 69 69 68 69 72 72 72 70 69 69 66 68  
RH 100100100 90 85 82 84 97100100100 90 82 79 82 93100100100  
WIND DIR S S E SE SE SW E SE SE E SE SE NE NE E E NE N N  
WIND SPD 3 3 4 6 6 6 4 3 3 2 3 4 5 6 5 4 3 3 4  
CLOUDS B2 B2 B2 OV OV B1 SC SC SC B2 B1 B1 B2 B1 SC SC SC B1 B2  
POP 12HR 40 80 30 40 10  
QPF 12HR 0.09 0.70 0.02 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C D L S C C C C C S  
TSTMS C C C D L S C C C C C  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 77 63 73 62 76 65 77 61 73  
TEMP 76 72 67 66 72 69 64 65 74 74 69 67 75 73 66 64 72 70  
DEWPT 69 67 65 64 63 61 63 65 67 68 68 67 69 67 65 64 64 63  
PWIND DIR NE NE NE E S SW NW N NE  
WIND CHAR LT LT GN GN GN GN GN LT LT  
AVG CLOUDS B2 OV B2 B2 B1 B1 B1 B1 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1  
POP 12HR 40 20 20 50 50 60 40 30 10  
RAIN SHWRS S C S S S C C C L L C C C  
TSTMS S S S C C C C S  
 

 
ILZ021-120900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 87 70 86 69  
TEMP 74 73 73 78 81 85 83 75 72 71 71 78 83 85 82 74 71 70 70  
DEWPT 72 71 71 76 78 79 78 73 72 70 70 76 78 78 77 73 71 70 70  
RH 93 93 93 94 91 82 85 94100 97 97 94 85 80 85 97100100100  
WIND DIR SE SE SW SW NW S NE E E SE SE SE W W NE E E E E  
WIND SPD 2 3 3 5 6 5 3 3 2 2 2 3 4 4 2 1 1 2 2  
CLOUDS B2 B1 B1 OV OV B1 SC SC B1 SC SC B1 B2 B1 SC SC SC B1 B1  
POP 12HR 30 60 50 60 50  
QPF 12HR 0.12 0.31 0.22 0.16 0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L S S C C C C L L C C C C L  
TSTMS S C C L S S C C C C C C C S C  
HEAT INDEX 89 97 92 92 96 89  
MAX HEAT 89 99 87 92 97 84  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 83 67 81 66 85 71 84 66 79  
TEMP 80 77 68 68 77 76 68 67 81 82 73 71 81 79 69 67 76 75  
DEWPT 76 73 68 67 72 71 66 66 76 77 71 70 76 74 69 67 71 70  
PWIND DIR E NE E E S SW NW N NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 OV B2 B1 B1 B1 B1 SC B1 B1 B2 B1 B1 B1 B1  
POP 12HR 70 70 40 40 40 40 40 30 20  
RAIN SHWRS L L L L C S S C C C C C C C C S  
TSTMS C C C S S S S S S S S S  
 

 
INZ002-120900-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 79 66 81 65  
TEMP 72 70 70 74 76 77 76 71 69 68 68 75 79 80 77 71 68 66 68  
DEWPT 71 70 70 72 72 72 71 70 69 68 68 72 72 72 71 70 68 66 68  
RH 97100100 93 87 85 85 97100100100 90 79 77 82 97100100100  
WIND DIR E S SE SW W SW S SE SE SE S S W N NE NE N NE NE  
WIND SPD 2 3 4 5 8 5 3 3 2 2 2 5 5 4 4 2 2 3 3  
CLOUDS B2 B2 B2 B2 OV B2 B1 B1 B1 B2 B2 B1 B1 B1 SC B1 SC B1 B2  
POP 12HR 30 80 30 60 30  
QPF 12HR 0.14 0.80 0.05 0.12 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C D C S C C C L L C C S  
TSTMS C C C C D C S C C C C C S  
HEAT INDEX 84  
MAX HEAT 84  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 78 64 76 62 79 67 79 63 73  
TEMP 77 73 68 65 74 72 66 63 76 77 71 68 77 74 68 65 73 70  
DEWPT 72 68 66 65 67 66 64 63 70 71 69 68 72 69 67 65 67 66  
PWIND DIR NE NE NE E SE S NW N N  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 SC SC B1  
POP 12HR 50 50 20 40 40 50 40 30 10  
RAIN SHWRS S C C C S C C S C C C C C S  
TSTMS S C C S S C S C S S  
 

 
ILZ005-120900-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 81 65 82 65  
TEMP 72 69 69 72 76 79 78 71 69 67 68 74 79 82 79 71 68 66 67  
DEWPT 70 69 69 72 73 74 73 71 69 67 68 73 74 74 73 70 68 66 67  
RH 93100100100 90 85 85100100100100 97 85 77 82 97100100100  
WIND DIR SE SE SE SE E SW NE E N N N SE W N E E E NE NE  
WIND SPD 2 2 3 5 5 5 3 2 1 1 1 3 3 4 3 2 2 2 2  
CLOUDS B2 B2 B2 OV OV B1 SC SC B1 B1 B1 B2 B2 B1 SC SC B1 B1 B1  
POP 12HR 40 80 40 40 10  
QPF 12HR 0.15 0.72 0.03 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C D C S C C C C C C  
TSTMS C C C D C S C C C C C  
OBVIS PF PF  
HEAT INDEX 80 80 87  
MAX HEAT 84 83 88  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 79 63 76 62 78 65 78 61 75  
TEMP 76 75 67 64 74 71 65 63 75 76 69 67 76 75 66 63 73 72  
DEWPT 72 70 65 63 67 64 62 63 71 71 68 67 72 70 65 63 68 67  
PWIND DIR NE NE E E S SW NW N NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B1 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 SC SC B1  
POP 12HR 50 20 30 50 60 60 40 20 10  
RAIN SHWRS C C S S C S S C L C L L C C S S  
TSTMS C S S S C C C C S  
 

 
ILZ008-120900-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 66 83 65  
TEMP 73 70 70 74 77 81 80 72 70 68 68 75 80 83 80 72 69 67 67  
DEWPT 71 70 70 74 76 76 76 72 70 68 68 74 76 75 75 72 69 67 67  
RH 93100100100 97 85 88100100100100 97 88 77 85100100100100  
WIND DIR E SE SE SW S SW NE E E SE E E SE E E E E E E  
WIND SPD 1 2 3 5 5 4 3 2 1 1 1 3 3 4 2 2 1 1 2  
CLOUDS B1 B1 B2 OV OV B1 SC SC SC B1 B1 B1 B2 SC FW SC SC B1 B2  
POP 12HR 40 80 40 50 30  
QPF 12HR 0.14 0.64 0.06 0.09 0.05  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L L S S S C C C C C C C C C C  
TSTMS S S L L S S S C C C C C S  
OBVIS PF PF  
HEAT INDEX 87 84 85 90 85  
MAX HEAT 89 85 90  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 79 63 77 62 80 66 79 61 76  
TEMP 77 74 67 64 75 73 65 64 76 78 69 67 76 75 66 63 73 73  
DEWPT 74 72 66 64 69 68 63 64 73 74 69 67 73 72 66 63 68 69  
PWIND DIR NE NE E E S SW NW N NE  
WIND CHAR LT LT GN GN GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B1 B2 B1 B1 B1 B2 B1 B1 B2 B2 B1 SC SC B1  
POP 12HR 60 40 40 60 50 50 40 20 10  
RAIN SHWRS C L C C C S C L C S C C C C S S  
TSTMS S C S S S C C C S C S S S  
 

 
ILZ011-120900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 82 66 83 66  
TEMP 72 70 69 73 77 80 79 72 69 68 68 75 80 82 80 72 69 68 66  
DEWPT 71 70 69 72 74 75 73 71 69 68 68 73 74 74 73 71 69 68 66  
RH 97100100 97 90 85 82 97100100100 94 82 77 79 97100100100  
WIND DIR E SE SE S SE SW E E E E SE SE W NE E E E E E  
WIND SPD 2 3 4 5 6 5 4 3 2 2 1 4 3 4 4 3 2 2 3  
CLOUDS B2 B2 B2 OV OV B1 SC B1 SC B2 SC B2 B2 SC FW SC SC B2 B2  
POP 12HR 40 80 50 60 20  
QPF 12HR 0.15 0.71 0.06 0.09 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C D C S S C C C L L S S C  
TSTMS C C C D C S S C C C C C S  
OBVIS PF PF  
HEAT INDEX 85 84 88 84  
MAX HEAT 86 84 88  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 80 64 77 63 80 67 80 62 76  
TEMP 77 75 67 65 75 73 65 65 76 77 70 68 77 76 66 63 73 73  
DEWPT 72 69 65 64 68 65 62 65 72 72 69 68 72 70 66 63 68 67  
PWIND DIR NE NE E E S SW NW N NE  
WIND CHAR LT LT GN GN GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B2 B1 B2 B1 B2 B2 B2 B1 SC B1 B1  
POP 12HR 60 40 30 60 60 50 40 20 10  
RAIN SHWRS C L C C C S C L L C C C C C S S  
TSTMS S C S S C C C C C S S S  
 

 
ILZ010-120900-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 67 85 67  
TEMP 73 71 70 75 79 83 81 73 70 69 69 76 81 84 81 73 70 68 67  
DEWPT 72 71 70 73 75 75 75 73 70 69 69 74 75 74 75 73 70 68 67  
RH 97100100 94 88 77 82100100100100 94 82 72 82100100100100  
WIND DIR E SE S SW S SW NE E E E E E SE E E E E E E  
WIND SPD 1 3 3 5 6 5 3 3 1 2 2 3 4 4 2 1 1 2 2  
CLOUDS B1 B1 B2 OV OV B1 SC FW SC SC SC B1 B1 SC FW SC SC B1 B2  
POP 12HR 40 80 40 50 30  
QPF 12HR 0.15 0.61 0.05 0.11 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L L S C C C C C C C C C C L  
TSTMS S S L L S C C C C C C S  
OBVIS PF PF  
HEAT INDEX 81 90 87 87 91 87  
MAX HEAT 86 92 88 92  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 80 64 78 63 82 67 80 62 77  
TEMP 78 75 68 65 75 74 65 65 78 79 70 69 78 76 67 64 75 75  
DEWPT 73 71 67 65 68 67 63 64 73 74 70 69 72 71 67 64 68 68  
PWIND DIR NE NE E E S SW NW N NE  
WIND CHAR LT LT GN GN GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B1 B2 B1 B1 B1 B2 SC B1 B1 B2 B1 SC SC B1  
POP 12HR 70 50 40 60 50 50 40 30 10  
RAIN SHWRS L L C C C S C L C S C C C C S C  
TSTMS S C S S S S C C S S C S S S  
 

 
ILZ012-120900-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 82 67 83 67  
TEMP 73 71 70 74 77 80 79 74 71 69 69 75 80 82 80 74 71 69 67  
DEWPT 71 70 70 73 74 74 73 71 70 69 69 74 74 74 73 71 70 68 67  
RH 93 97100 97 90 82 82 90 97100100 97 82 77 79 90 97 97100  
WIND DIR E E SE S S S E E SE E SE SE W NE E E E NE NE  
WIND SPD 3 3 4 5 6 5 3 3 2 2 2 3 4 4 4 3 2 2 3  
CLOUDS B2 B2 B2 OV OV B1 SC B1 SC B1 B1 B2 B1 B1 SC SC B1 B2 B1  
POP 12HR 40 90 40 60 20  
QPF 12HR 0.15 0.75 0.05 0.10 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C D L S S C C C L L S S C  
TSTMS C C C D L S S C C C C C S  
OBVIS PF PF  
HEAT INDEX 84 81 85 89 84  
MAX HEAT 86 86 89  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 80 65 78 64 80 68 80 64 77  
TEMP 78 76 69 67 76 73 67 65 78 78 71 69 78 76 68 65 75 73  
DEWPT 72 69 66 65 68 64 64 65 72 72 70 69 73 70 66 65 68 66  
PWIND DIR NE NE E E S SW NW N NE  
WIND CHAR LT LT GN GN GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 B2 B1 B2 B1 B2 B2 B2 B1 SC B1 B1  
POP 12HR 60 40 30 50 50 50 40 30 10  
RAIN SHWRS C L C C C S C C C C C C C C S  
TSTMS S C S S S C C C C S S  
 

 
ILZ020-120900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 82 68 83 67  
TEMP 73 71 70 75 78 81 79 73 71 69 69 76 80 82 80 73 70 69 68  
DEWPT 71 70 70 73 74 74 73 71 70 69 69 74 74 74 73 71 70 69 68  
RH 93 97100 94 88 79 82 93 97100100 94 82 77 79 93100100100  
WIND DIR E SE SE S S SW NE E SE E E E SW NE E E E NE NE  
WIND SPD 3 4 4 6 6 5 4 4 3 3 2 4 4 4 3 3 3 3 3  
CLOUDS B2 B2 B2 OV OV B1 SC SC SC B1 B1 B1 B2 SC SC SC SC B1 B2  
POP 12HR 30 80 40 60 30  
QPF 12HR 0.15 0.69 0.05 0.13 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C D L S S C C C L L C C S S C  
TSTMS S C C D L S S C C C C C S  
OBVIS PF PF  
HEAT INDEX 86 83 85 89 84  
MAX HEAT 88 86 89  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 80 66 78 65 81 69 81 64 77  
TEMP 78 75 69 67 76 74 67 66 78 79 72 69 79 77 68 65 75 73  
DEWPT 72 69 66 65 68 65 64 65 72 72 70 69 73 70 67 65 68 66  
PWIND DIR NE NE E E S SW NW N NE  
WIND CHAR LT LT GN GN GN LT GN LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 SC B1 B1 B2 B1 SC B1 B1  
POP 12HR 60 50 30 50 50 50 30 30 10  
RAIN SHWRS C L C C C S C C S C C C C C C  
TSTMS S C C S S S C C S C S S  
 

 
ILZ013-120900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 81 68 83 67  
TEMP 73 71 71 74 76 79 78 74 71 69 69 76 79 82 79 74 71 69 68  
DEWPT 71 70 70 73 74 74 73 71 70 69 69 73 74 74 73 71 70 69 68  
RH 93 97 97 97 94 85 85 90 97100100 90 85 77 82 90 97100100  
WIND DIR E SE SE S SE S NE E SE E E SE NE NE E E E NE NE  
WIND SPD 3 3 4 5 6 5 4 3 2 2 2 3 4 4 4 3 2 3 3  
CLOUDS B2 B2 B1 OV OV B1 SC SC SC B1 B1 B1 B2 B1 SC SC SC B1 B2  
POP 12HR 40 80 40 60 20  
QPF 12HR 0.15 0.82 0.05 0.11 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C D L S S C C C L L S S C  
TSTMS C C C D L S S C C C C C S  
HEAT INDEX 80 83 87 82  
MAX HEAT 85 84 88  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 79 66 77 65 80 68 80 65 76  
TEMP 77 75 70 68 74 73 68 66 77 78 72 70 77 76 69 66 74 73  
DEWPT 72 69 66 65 67 64 64 65 71 72 70 69 72 70 67 65 68 66  
PWIND DIR NE NE E E S SW NW N NE  
WIND CHAR LT LT GN LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 SC B1 B1  
POP 12HR 60 40 30 50 50 60 40 30 10  
RAIN SHWRS C L C C C S C C S L L C C C S  
TSTMS S C S S C C S C S S  
 

 
ILZ019-120900-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 85 70 85 69  
TEMP 75 72 72 77 80 84 82 75 73 71 70 77 82 84 82 75 72 70 70  
DEWPT 72 70 70 72 74 75 74 72 71 69 69 73 74 74 74 72 70 69 68  
RH 90 93 93 85 82 74 77 90 93 93 97 87 77 72 77 90 93 97 93  
WIND DIR SE SE S SW SE SW NE E E E E E SW SW NE E E NE E  
WIND SPD 3 4 4 6 6 5 3 4 2 3 2 4 4 4 3 3 2 3 3  
CLOUDS B1 B1 B1 OV OV B1 B1 SC SC B1 SC B1 B2 B1 SC FW SC B1 B1  
POP 12HR 30 80 40 60 40  
QPF 12HR 0.13 0.59 0.06 0.15 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C D C S C C C C L L C C C C C  
TSTMS S S C D C S C C C C C C C S S  
HEAT INDEX 84 91 89 88 92 87  
MAX HEAT 85 93 86 88 92 84  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 82 67 80 67 84 71 83 66 78  
TEMP 79 76 70 68 77 76 69 67 80 81 73 71 80 78 70 67 75 75  
DEWPT 72 70 67 65 68 67 65 65 72 73 71 68 72 71 68 65 67 67  
PWIND DIR E NE E E S SW NW N NE  
WIND CHAR LT LT LT GN GN LT LT LT LT  
AVG CLOUDS B2 B2 OV B2 B2 B2 B1 B1 B2 B2 SC B1 B1 B2 B1 SC B1 B1  
POP 12HR 70 70 40 50 50 50 40 30 10  
RAIN SHWRS C L L L C S S C C S C C C C C C  
TSTMS C C C S S S S C S S C S S S  
 

 
ILZ106-120900-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 83 69 84 68  
TEMP 74 72 71 76 78 81 81 75 72 70 70 77 82 83 81 75 72 70 69  
DEWPT 72 71 71 74 74 74 74 72 71 70 70 74 74 74 73 72 70 69 69  
RH 93 97100 94 88 79 79 90 97100100 90 77 74 77 90 93 97100  
WIND DIR E SE S S S SW NE E SE SE E E W NE E E E NE E  
WIND SPD 3 3 4 6 6 5 4 3 2 2 2 3 4 4 3 3 2 3 3  
CLOUDS B2 B2 B1 OV OV B1 B1 SC SC B1 B1 B1 B2 B1 SC SC B1 B1 B1  
POP 12HR 30 80 30 60 30  
QPF 12HR 0.16 0.73 0.05 0.13 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L L S S C C C L L C C C  
TSTMS S C C L L S S C C C C C S S  
OBVIS PF PF  
HEAT INDEX 87 85 88 90 86  
MAX HEAT 90 83 88 91 82  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 81 67 79 65 82 70 82 65 78  
TEMP 79 76 70 68 76 75 69 66 79 80 73 70 79 78 69 67 76 74  
DEWPT 73 69 67 66 68 65 65 66 72 73 71 70 73 71 68 66 68 66  
PWIND DIR E NE E E SE SW NW N NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 OV B2 B2 B2 B2 B1 B1 B1 B2 SC B1 B1 B2 B1 B1 B1 B1  
POP 12HR 60 60 30 50 50 50 30 30 20  
RAIN SHWRS C L L C C S C C S C C C C C C S  
TSTMS S C C S S S C C S C S S  
 

 
ILZ023-120900-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 85 67 85 67  
TEMP 74 71 71 77 79 82 81 74 71 69 69 77 82 84 81 73 70 69 69  
DEWPT 71 70 70 74 74 75 74 72 70 69 69 74 74 74 74 72 70 68 69  
RH 90 97 97 90 85 79 79 93 97100100 90 77 72 79 97100 97100  
WIND DIR SE SE S SW N SW NE E E SE SE SE NW SE NE E NE E E  
WIND SPD 1 2 3 5 5 4 2 2 1 1 1 2 3 3 1 2 1 1 1  
CLOUDS B2 B2 B1 OV OV B1 SC SC B2 B1 B1 B1 B2 SC SC SC SC B1 B1  
POP 12HR 30 80 30 60 40  
QPF 12HR 0.14 0.67 0.12 0.13 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C D C S S C C C L L C C S S C  
TSTMS S C C C D C S S C C C C C C S S  
HEAT INDEX 81 88 86 88 91 86  
MAX HEAT 83 91 83 88 91  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 82 65 79 64 83 69 83 65 77  
TEMP 80 76 69 67 76 75 67 66 79 80 72 70 80 77 68 66 75 73  
DEWPT 73 70 67 66 69 68 65 65 73 74 70 69 74 72 68 66 69 67  
PWIND DIR E NE E E SE SW NW N NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B2 B1 B1 B1 B1  
POP 12HR 60 70 40 40 40 40 40 30 20  
RAIN SHWRS C L L L C S C C S C C C C C S S S  
TSTMS C C C S S S C C S C S S  
 

 
ILZ033-120900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 85 68 84 67  
TEMP 74 72 72 78 81 84 80 73 71 69 70 77 82 83 80 72 70 68 69  
DEWPT 71 69 70 74 75 75 74 72 70 68 69 74 75 74 74 71 69 68 69  
RH 90 90 93 88 82 74 82 97 97 97 97 90 79 74 82 97 97100100  
WIND DIR S E S SW W SW NE SE E S SE S W S N E NE E E  
WIND SPD 2 2 3 4 4 4 2 1 1 1 1 2 2 3 1 1 1 1 1  
CLOUDS B2 B2 B1 B2 OV B2 B1 SC B2 SC SC B1 B2 SC SC SC SC B1 B1  
POP 12HR 30 80 40 60 50  
QPF 12HR 0.13 0.44 0.41 0.33 0.15  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D C C S C C C C L L C C C C C  
TSTMS S S C C D C C S C C C C C C C S C  
HEAT INDEX 86 92 86 87 90 84  
MAX HEAT 86 92 88 90  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 82 65 79 64 83 69 83 65 77  
TEMP 79 76 67 67 76 75 66 66 80 80 72 71 80 77 68 66 75 72  
DEWPT 73 71 67 66 70 69 65 65 73 74 70 69 74 72 68 66 69 68  
PWIND DIR E NE NE E S S NW N NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 SC B1 SC B1 SC B1 SC B1 B1 B1 SC B1  
POP 12HR 60 70 40 40 40 40 30 30 20  
RAIN SHWRS C L L L C C C S C C C C C C S S  
TSTMS C C C C S S C S S S C  
 

 
ILZ039-120900-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 87 69 86 68  
TEMP 74 73 73 79 83 86 83 75 72 70 71 78 83 85 81 73 70 69 70  
DEWPT 72 70 70 75 76 78 76 72 71 69 70 75 76 77 75 72 70 69 70  
RH 93 90 90 88 80 77 80 90 97 97 97 91 80 77 82 97100100100  
WIND DIR SW SW SW SW W SW SW SE SE S S S W S N E E E E  
WIND SPD 4 5 6 6 8 6 4 3 3 3 3 4 4 4 3 2 2 3 2  
CLOUDS B2 B1 B1 B2 OV B1 B1 SC B2 SC SC SC B1 B1 SC SC SC B1 B1  
POP 12HR 30 60 40 70 60  
QPF 12HR 0.12 0.20 0.40 0.36 0.17  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L C C C C C C C L L L L C C C  
TSTMS S C C L C C C C C C C C C C S C  
HEAT INDEX 84 92 97 91 91 94 88  
MAX HEAT 92 98 85 92 95  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 83 66 80 66 85 70 84 66 78  
TEMP 81 78 68 68 78 77 68 68 82 82 73 71 82 79 69 67 76 74  
DEWPT 75 73 68 67 72 71 66 66 75 75 70 70 75 74 69 67 71 69  
PWIND DIR E NE E E S SW NW N NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 OV B1 B1 SC B1 B1 SC SC SC B1 B1 SC B1 B1  
POP 12HR 60 80 40 40 30 40 30 40 20  
RAIN SHWRS C L L D C C C S C C C C C S S  
TSTMS C C C C S S S S S C S  
 

 
INZ001-120900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 81 66 82 65  
TEMP 73 70 71 75 77 80 77 72 70 68 69 76 80 81 78 72 69 67 68  
DEWPT 71 70 70 73 74 74 72 70 69 68 69 73 74 74 72 70 69 67 68  
RH 93100 97 94 90 82 85 93 97100100 90 82 79 82 93100100100  
WIND DIR E SE S SW NW SW E SE S S S S NW N NE E N NE E  
WIND SPD 2 3 3 5 6 5 3 2 2 2 2 3 4 4 3 2 2 2 2  
CLOUDS B2 B2 B2 OV OV B2 B1 SC B1 B1 B1 B1 B2 B1 SC SC SC B1 B1  
POP 12HR 40 80 30 60 30  
QPF 12HR 0.15 0.79 0.05 0.10 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C D C S C C C L L C C C  
TSTMS C C C C D C S C C C C C S  
HEAT INDEX 83 84 86  
MAX HEAT 84 84 87  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 79 64 77 62 80 67 81 64 74  
TEMP 78 73 69 66 74 72 66 65 77 78 71 69 78 75 68 66 73 70  
DEWPT 73 69 67 65 68 66 65 65 72 72 69 69 73 70 68 66 68 66  
PWIND DIR NE NE NE E SE SW NW N N  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 B2 SC B1 B1 B1 B1 B2 B1 B1 SC B1  
POP 12HR 60 50 20 40 40 50 40 30 20  
RAIN SHWRS C L C C S S C C S C C C C C S S  
TSTMS S C C S S S C S C S S  
 

 
INZ010-120900-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 84 67 84 66  
TEMP 74 72 72 77 79 82 80 72 71 69 69 77 81 83 79 71 69 67 69  
DEWPT 71 69 70 74 74 74 74 71 70 68 69 73 74 74 73 71 69 67 68  
RH 90 90 93 90 85 77 82 97 97 97100 87 79 74 82100100100 97  
WIND DIR S E S SW W SW N E E S S S SW S N NE NE E E  
WIND SPD 2 3 3 4 5 4 2 1 1 1 1 2 2 3 1 1 1 1 1  
CLOUDS B2 B2 B1 B2 OV B2 B1 SC B2 B1 B1 B1 B2 SC SC SC SC B1 B1  
POP 12HR 30 80 40 60 50  
QPF 12HR 0.15 0.59 0.32 0.33 0.15  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D C C S C C C C L L C C S S C  
TSTMS S S C C D C C S C C C C C C C S S  
HEAT INDEX 83 88 84 86 89 83  
MAX HEAT 83 90 86 89  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 81 64 79 63 82 68 82 64 76  
TEMP 79 75 67 66 76 75 66 66 80 79 71 70 80 77 68 66 75 72  
DEWPT 73 70 66 66 69 68 65 65 72 73 69 68 74 71 68 66 69 67  
PWIND DIR NE NE NE E SE S NW N N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 SC B1 SC B1 SC SC B1 B1 B1 B1 SC B1  
POP 12HR 60 70 40 40 40 40 30 30 20  
RAIN SHWRS C L L L C C C S C C C C C S S S  
TSTMS S C C S S S S S C S S  
 

 
INZ011-120900-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
1215 AM CDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 82 66 83 65  
TEMP 74 71 71 76 78 80 79 72 70 68 68 76 80 82 78 71 68 66 68  
DEWPT 70 69 70 74 74 74 74 71 69 68 68 73 74 74 73 71 68 66 68  
RH 87 93 97 94 88 82 85 97 97100100 90 82 77 85100100100100  
WIND DIR SE N S SW NW W S E SE S S S W NE N NE N NE NE  
WIND SPD 2 3 3 5 6 4 2 2 2 2 2 3 3 4 2 2 2 2 2  
CLOUDS B2 B2 B2 B2 OV B2 B1 B1 B2 B2 B1 B1 B2 SC SC B1 SC B1 B1  
POP 12HR 30 80 40 60 50  
QPF 12HR 0.16 0.73 0.22 0.23 0.10  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C D C C S S C C C L L C C S S C  
TSTMS S C C C D C C S S C C C C C C S S  
HEAT INDEX 85 85 87  
MAX HEAT 87 85 88  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 80 64 78 62 81 67 81 63 76  
TEMP 79 75 68 66 75 74 66 65 78 78 71 69 79 76 68 65 74 72  
DEWPT 73 70 66 65 69 68 65 64 72 73 69 68 74 71 67 65 69 67  
PWIND DIR NE NE NE E SE S NW N N  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 SC B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1  
POP 12HR 60 70 40 40 40 40 40 30 20  
RAIN SHWRS C L L L C C C S C C C C C S S  
TSTMS S C C S S S S S S S  
 

 
INZ019-120900-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
115 AM EDT TUE AUG 11 2026  
 
DATE 08/10/26 TUE 08/11/26 WED 08/12/26 THU  
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 84 68 83 67  
TEMP 75 73 72 78 80 82 80 73 71 70 70 77 81 82 79 72 70 68 70  
DEWPT 71 70 70 74 75 76 74 72 70 69 70 74 75 75 73 71 69 68 69  
RH 87 90 93 88 85 82 82 97 97 97100 90 82 79 82 97 97100 97  
WIND DIR S NE S SW SW SW N E E S S S SW SE N NE NE E E  
WIND SPD 3 4 4 5 6 5 2 2 2 2 2 3 3 3 2 2 2 2 2  
CLOUDS B2 B2 B2 B2 OV B2 B1 SC B2 B1 B1 B1 B2 SC SC SC SC B1 B1  
POP 12HR 30 80 50 60 50  
QPF 12HR 0.16 0.42 0.43 0.46 0.20  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D C C S C C C C L L C C C C C  
TSTMS S S C C D C C S C C C C C C C S S  
HEAT INDEX 85 89 84 86 89 81  
MAX HEAT 86 91 87 89  
 
DATE 08/13 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 81 66 78 65 82 69 82 65 76  
TEMP 79 76 68 68 76 75 67 67 79 79 72 71 80 77 69 67 75 72  
DEWPT 74 71 67 67 70 69 65 66 73 73 69 69 74 72 68 67 70 67  
PWIND DIR NE NE NE E S S W N N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 SC B1 SC SC SC SC SC B1 B1 B1 SC B1  
POP 12HR 60 70 40 40 30 40 30 40 20  
RAIN SHWRS C L L L C C C S C C C C C S S S  
TSTMS S C C C S S S S S S C  
 

 
 
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