869  
FOUS53 KLOT 170515  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1215 AM CDT MON AUG 17 2026  
 
ILZ104-180900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 80 65 82 66  
TEMP 72 69 69 75 79 80 76 70 67 65 66 74 81 82 77 72 69 67 66  
DEWPT 65 64 64 65 64 62 62 62 62 62 63 67 68 69 69 69 68 65 65  
RH 79 84 84 71 60 54 62 76 84 90 90 79 65 65 76 90 97 93 97  
WIND DIR N N N NE NE N E S SW SW SW SW W W W W W NW N  
WIND SPD 9 6 6 8 8 8 4 4 5 5 5 8 11 11 8 5 5 5 4  
CLOUDS B1 SC B1 B1 SC SC SC FW FW SC B1 SC SC B1 B2 B2 B2 B2 B1  
POP 12HR 5 10 0 40 70  
QPF 12HR 0.01 0 0 0.01 0.37  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L L L C  
TSTMS S S S C S S S  
HEAT INDEX 81 83 85  
MAX HEAT 81 83 85  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 62 78 61 79 64 79 63 75  
TEMP 76 72 66 64 76 73 64 63 77 75 67 65 76 74 67 64 73 71  
DEWPT 65 61 59 58 59 59 59 58 62 63 63 63 66 64 63 61 64 63  
PWIND DIR NE N NE SE S SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 SC SC FW SC SC SC FW SC SC SC SC B1 SC FW SC SC  
POP 12HR 30 0 0 0 10 20 20 10 5  
RAIN SHWRS C S S S  
TSTMS S S  
 
 
ILZ003-180900-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 64 80 62 80 62  
TEMP 67 65 64 73 79 80 77 68 64 62 63 73 79 79 75 68 66 63 62  
DEWPT 63 62 61 63 62 62 63 62 61 61 62 66 68 69 69 68 66 63 62  
RH 87 90 90 71 56 54 62 81 90 97 97 79 69 72 82100100100100  
WIND DIR N N N N NW NW W SW SW SW SW SW W W W W W NW N  
WIND SPD 4 4 4 5 6 6 4 4 4 4 4 9 11 10 8 4 3 2 2  
CLOUDS SC SC SC SC SC SC SC FW FW SC SC SC B1 B1 B2 B2 B2 B2 B1  
POP 12HR 0 0 0 50 70  
QPF 12HR 0 0 0 0.07 0.36  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L C C S  
TSTMS S C C S  
HEAT INDEX 81 82  
MAX HEAT 81 83  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 76 56 77 56 77 60 77 59 76  
TEMP 74 72 61 58 75 72 60 59 75 73 63 62 75 73 62 60 74 72  
DEWPT 61 61 58 56 58 61 59 58 62 64 63 62 64 64 62 59 62 64  
PWIND DIR NE NE E E SW SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC SC SC SC FW FW SC SC SC SC SC FW FW SC SC  
POP 12HR 20 0 5 0 10 30 20 5 5  
RAIN SHWRS S C C S S  
TSTMS S S S  
 
 
ILZ104-180900-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 78 65 82 68  
TEMP 73 70 70 74 77 78 75 70 68 66 67 74 80 82 77 72 70 68 68  
DEWPT 67 65 65 66 64 63 63 63 63 62 63 65 66 67 68 68 68 66 66  
RH 81 84 84 76 64 60 66 78 84 87 87 74 62 61 74 87 93 93 93  
WIND DIR N N N N NE NE E S SW SW SW SW SW W W W W NW N  
WIND SPD 12 6 6 8 8 8 4 4 4 5 6 9 13 13 11 9 9 8 6  
CLOUDS B1 SC B1 B1 SC SC SC SC FW FW B1 SC SC B1 B2 B2 B2 B2 B2  
POP 12HR 10 10 0 20 70  
QPF 12HR 0.02 0 0 0 0.38  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L L L L C  
TSTMS S S S C S S S  
HEAT INDEX 82 84  
MAX HEAT 82 84  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 76 64 77 63 79 65 79 65 75  
TEMP 75 73 67 65 75 73 66 64 77 75 67 67 77 75 68 65 73 72  
DEWPT 64 59 59 58 58 57 58 58 60 61 62 62 64 62 63 61 63 61  
PWIND DIR N NE NE SE S SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 SC FW SC SC SC FW SC SC SC SC B1 SC SC SC SC  
POP 12HR 30 0 0 0 10 20 20 10 5  
RAIN SHWRS C S S S S  
TSTMS C S S  
 
 
ILZ021-180900-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 80 63 81 66  
TEMP 70 67 66 74 79 80 76 69 66 64 64 74 80 81 78 71 69 67 66  
DEWPT 67 65 64 67 67 66 67 65 63 62 63 69 70 71 71 70 68 67 66  
RH 90 93 93 79 67 62 74 87 90 93 97 84 72 72 79 97 97100100  
WIND DIR N N N N N NW NW W SW SW SW SW SW W W W W NW NW  
WIND SPD 4 4 5 6 8 6 4 3 4 4 3 6 10 10 5 4 4 4 3  
CLOUDS B1 B1 SC SC SC SC FW FW FW FW SC FW SC B1 B1 B1 B2 B2 B2  
POP 12HR 10 10 0 20 70  
QPF 12HR 0.02 0 0 0 0.29  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L L L L C  
TSTMS S S C S C S  
HEAT INDEX 82 83 85  
MAX HEAT 82 83 85  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 60 77 59 78 62 78 62 77  
TEMP 76 74 64 62 75 74 63 61 75 75 65 64 76 75 65 62 75 75  
DEWPT 68 65 60 59 62 63 60 59 65 66 63 63 68 66 63 61 67 66  
PWIND DIR N NE E E S SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC SC SC SC SC SC SC FW SC SC SC SC FW SC SC  
POP 12HR 40 5 5 0 5 20 20 5 5  
RAIN SHWRS C S S S  
TSTMS C S S  
 
 
ILZ006-180900-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 77 63 80 62  
TEMP 69 67 67 73 77 77 73 67 65 64 64 74 80 80 75 69 66 63 63  
DEWPT 64 64 64 65 63 62 63 62 62 61 63 66 67 69 69 68 66 63 63  
RH 84 90 90 76 62 60 71 84 90 90 97 76 65 69 82 97100100100  
WIND DIR N N N N NE E S S SW W SW SW W W W W W NW N  
WIND SPD 9 8 6 6 6 6 5 5 6 6 8 10 12 11 9 6 6 6 5  
CLOUDS SC B1 B1 SC SC SC FW FW FW SC SC SC SC B1 B2 B2 B2 B2 B1  
POP 12HR 5 10 0 50 60  
QPF 12HR 0 0 0 0.03 0.26  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L C C  
TSTMS S S S C S  
HEAT INDEX 82 82  
MAX HEAT 82 83  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 74 58 75 58 77 60 77 60 73  
TEMP 74 70 63 62 73 71 62 62 75 73 63 63 75 73 63 62 72 69  
DEWPT 61 59 57 57 57 58 57 59 60 62 63 63 64 63 62 61 62 61  
PWIND DIR NE N NE SE SW SW W NW N  
WIND CHAR LT LT LT LT LT LT GN LT GN  
AVG CLOUDS B1 SC SC SC FW SC SC FW FW FW SC SC SC B1 SC SC SC SC  
POP 12HR 10 0 0 0 10 30 20 10 5  
RAIN SHWRS C S S S  
TSTMS S S  
 
 
ILZ021-180900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 80 63 82 67  
TEMP 72 68 67 74 79 80 76 69 66 64 64 75 80 82 78 71 68 67 67  
DEWPT 70 66 65 68 68 67 68 65 63 62 63 70 71 72 73 70 68 67 67  
RH 93 93 93 82 69 65 76 87 90 93 97 84 74 72 85 97100100100  
WIND DIR N N N N N NW NW NW SW SW SW SW SW W SW SW NW NW NW  
WIND SPD 4 4 4 6 8 6 4 2 3 3 2 4 6 6 3 2 2 2 2  
CLOUDS B2 B1 SC SC SC SC FW SC FW FW SC FW SC SC SC SC B2 B2 B2  
POP 12HR 20 5 0 10 70  
QPF 12HR 0.02 0 0 0 0.21  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L L C  
TSTMS S C C S C S  
HEAT INDEX 82 84 87  
MAX HEAT 82 84 87  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 60 77 58 78 62 79 61 78  
TEMP 76 74 64 62 74 73 62 60 75 75 64 64 76 74 64 63 74 74  
DEWPT 70 69 62 60 65 66 60 58 66 68 63 63 69 68 63 62 68 68  
PWIND DIR N NE NE E SE S W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 SC SC SC SC SC FW FW FW FW FW SC FW SC SC SC  
POP 12HR 50 10 5 0 5 20 10 20 5  
RAIN SHWRS C S S S  
TSTMS C S  
 
 
INZ002-180900-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 76 61 79 64  
TEMP 72 70 69 72 75 75 71 64 62 61 61 73 78 79 75 68 67 65 65  
DEWPT 69 68 68 67 65 64 64 61 60 59 61 67 67 69 69 68 67 65 65  
RH 90 93 97 84 71 69 79 90 93 93100 81 69 72 82100100100100  
WIND DIR N N N N N N N NW SW SW SW SW SW SW W W W NW NW  
WIND SPD 4 4 5 6 8 8 4 2 3 4 4 6 9 9 6 5 5 5 3  
CLOUDS B2 B1 B1 B1 SC FW FW FW FW FW FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 30 5 0 5 70  
QPF 12HR 0.02 0 0 0 0.24  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L L C  
TSTMS S S C C C S  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 74 56 75 55 76 58 76 59 72  
TEMP 74 69 63 59 73 69 60 59 74 71 62 62 74 71 63 62 71 68  
DEWPT 65 63 59 58 60 61 58 58 61 64 62 62 66 65 63 62 64 64  
PWIND DIR N NE NE E S S W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC SC SC SC FW SC FW FW FW SC SC SC SC SC SC  
POP 12HR 40 0 0 0 5 20 20 20 10  
RAIN SHWRS C S S S S  
TSTMS C S S S  
 
 
ILZ005-180900-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 64 79 62 80 62  
TEMP 67 65 64 73 78 79 75 67 64 62 63 73 79 79 74 68 66 63 62  
DEWPT 62 62 62 65 63 63 64 61 61 60 62 68 70 72 71 68 66 63 62  
RH 84 90 93 76 60 58 69 81 90 93 97 84 74 79 90100100100100  
WIND DIR N N N N NW NW W SW SW SW SW SW W W W W W N N  
WIND SPD 5 4 4 5 6 6 4 3 4 4 4 9 11 10 6 4 3 3 2  
CLOUDS SC SC SC SC SC SC FW FW FW SC B1 SC B1 B1 B2 B2 B2 B2 B1  
POP 12HR 0 0 0 50 60  
QPF 12HR 0 0 0 0.02 0.27  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L C C  
TSTMS S C S C S  
HEAT INDEX 80 81  
MAX HEAT 82 84  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 76 57 77 57 77 60 77 59 76  
TEMP 74 71 61 59 74 72 60 60 75 73 63 62 75 73 63 60 74 72  
DEWPT 64 64 58 57 61 64 58 58 65 67 63 62 67 67 62 60 65 66  
PWIND DIR N NE NE E SW SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC FW SC SC FW FW SC SC SC SC SC SC SC SC SC  
POP 12HR 10 0 5 0 10 30 20 5 5  
RAIN SHWRS C C S S  
TSTMS S S S  
 
 
ILZ008-180900-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 63 79 61 80 61  
TEMP 66 64 63 73 78 79 76 67 64 62 62 73 79 79 74 68 65 63 62  
DEWPT 64 62 61 65 64 64 66 63 62 61 62 68 71 72 72 68 65 63 62  
RH 93 93 93 76 62 60 71 87 93 97100 84 77 79 93100100100100  
WIND DIR N N N N NW NW W SW SW SW SW SW W W W W W NW N  
WIND SPD 4 4 4 5 6 5 4 3 3 4 3 8 10 9 5 3 3 2 1  
CLOUDS SC SC SC SC SC SC FW FW FW SC SC SC B1 B1 B2 B2 B2 B1 B1  
POP 12HR 0 0 0 50 70  
QPF 12HR 0.01 0 0 0.05 0.44  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L C C S  
TSTMS S C C S S  
HEAT INDEX 81 83  
MAX HEAT 81 83  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 76 56 77 56 77 60 77 59 76  
TEMP 75 73 61 58 74 73 61 59 75 73 63 62 75 73 63 59 74 73  
DEWPT 65 66 59 57 61 65 60 59 65 68 63 62 68 68 62 59 66 68  
PWIND DIR NE NE E E SW SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC SC SC FW FW FW SC FW FW SC SC FW FW SC SC  
POP 12HR 20 0 5 0 10 20 20 5 5  
RAIN SHWRS S S S S S  
TSTMS S S S S  
 
 
ILZ011-180900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 64 79 62 80 63  
TEMP 67 65 64 73 78 79 76 67 64 62 63 73 79 80 74 68 65 64 63  
DEWPT 64 62 62 66 64 64 66 63 61 61 62 68 70 72 71 68 65 64 63  
RH 90 90 93 79 62 60 71 87 90 97 97 84 74 77 90100100100100  
WIND DIR N N N N NW NW NW SW SW SW SW SW W W W W W NW N  
WIND SPD 5 4 5 6 6 6 4 4 4 4 4 8 12 10 6 4 4 3 2  
CLOUDS SC SC SC SC SC SC FW FW FW SC SC SC B1 B1 B1 B2 B2 B2 B1  
POP 12HR 0 0 0 50 70  
QPF 12HR 0.01 0 0 0.04 0.38  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L C C C  
TSTMS S C C C C S  
HEAT INDEX 83  
MAX HEAT 81 84  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 56 77 57 77 60 77 59 75  
TEMP 75 72 62 58 75 72 61 59 75 73 64 61 75 73 64 60 73 71  
DEWPT 65 64 58 57 61 63 58 58 65 66 63 61 67 66 62 60 66 66  
PWIND DIR N NE NE SE SW SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC FW SC SC FW FW SC SC SC SC SC FW FW SC SC  
POP 12HR 30 0 5 0 10 30 20 5 5  
RAIN SHWRS C S C S S  
TSTMS S S S S  
 
 
ILZ010-180900-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 63 80 62 80 62  
TEMP 66 64 63 73 78 80 76 68 64 62 62 73 79 80 75 69 66 64 62  
DEWPT 64 62 61 65 65 65 66 63 62 61 62 68 70 71 71 69 66 64 62  
RH 93 93 93 76 64 60 71 84 93 97100 84 74 74 87100100100100  
WIND DIR N N N N NW NW W SW SW SW SW SW W W W W W NW N  
WIND SPD 4 4 4 4 6 5 4 3 3 4 3 6 10 9 5 3 3 2 2  
CLOUDS SC SC FW SC SC SC FW FW FW SC SC SC B1 B1 B1 B2 B2 B1 B1  
POP 12HR 0 0 0 50 70  
QPF 12HR 0.01 0 0 0.05 0.51  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L C C C  
TSTMS S C C S S  
HEAT INDEX 81 82 83  
MAX HEAT 82 83 85  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 76 57 77 57 77 60 77 59 76  
TEMP 74 74 62 58 75 74 62 58 75 74 65 61 75 74 63 61 75 74  
DEWPT 66 65 60 58 61 64 60 58 65 66 64 61 67 67 63 60 65 66  
PWIND DIR NE NE NE E SW SW W NW NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC FW SC SC FW FW FW SC FW FW SC SC FW FW SC SC  
POP 12HR 30 0 5 0 10 20 20 20 5  
RAIN SHWRS C S S S S S  
TSTMS S S S S S  
 
 
ILZ012-180900-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 65 80 62 80 64  
TEMP 68 66 66 74 78 80 76 68 65 63 64 73 80 80 75 69 67 65 64  
DEWPT 65 63 63 66 65 63 65 63 62 61 63 69 70 71 71 69 67 65 64  
RH 90 90 90 76 64 56 69 84 90 93 97 87 72 74 87100100100100  
WIND DIR N N N N N NW NW SW SW SW SW SW W W W W W NW N  
WIND SPD 6 5 5 8 8 8 4 3 4 4 4 8 11 11 6 5 5 4 3  
CLOUDS SC SC SC SC SC SC FW FW FW SC B1 SC SC B1 B2 B2 B2 B2 B1  
POP 12HR 0 5 0 40 70  
QPF 12HR 0.01 0 0 0.02 0.34  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L C C C  
TSTMS S C S C C S S  
HEAT INDEX 81 83 83  
MAX HEAT 81 83 84  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 59 77 58 77 61 77 61 75  
TEMP 76 73 63 60 75 73 63 60 75 74 65 63 75 74 65 62 73 72  
DEWPT 66 63 60 58 61 62 59 58 65 66 63 62 68 66 63 61 66 65  
PWIND DIR N NE NE SE SW SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC FW SC SC SC FW SC SC SC SC SC FW FW SC SC  
POP 12HR 30 0 0 0 10 20 20 5 5  
RAIN SHWRS C S S S S  
TSTMS S S S S  
 
 
ILZ020-180900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 65 79 62 80 65  
TEMP 69 66 66 73 78 79 75 68 65 63 63 73 79 79 76 70 68 66 65  
DEWPT 66 63 63 67 66 65 66 64 63 61 62 69 70 71 71 69 67 66 65  
RH 90 90 90 81 67 62 74 87 93 93 97 87 74 77 85 97 97100100  
WIND DIR N NW N N N NW NW SW SW SW SW SW SW W W W W NW NW  
WIND SPD 5 4 5 8 8 6 4 3 4 4 3 6 10 10 6 5 5 5 3  
CLOUDS B1 SC SC SC SC SC SC FW FW FW SC SC SC SC B1 B2 B2 B2 B1  
POP 12HR 5 5 0 30 70  
QPF 12HR 0.02 0 0 0.02 0.31  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L L L C  
TSTMS S C S C C S S  
HEAT INDEX 80 80 83  
MAX HEAT 81 82 83  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 76 58 77 58 77 61 77 61 76  
TEMP 75 73 63 60 74 73 62 59 74 74 65 62 75 74 64 62 74 73  
DEWPT 66 64 59 58 61 63 59 58 64 65 63 62 68 66 62 61 66 65  
PWIND DIR N NE NE E S SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC FW SC FW FW FW SC FW SC FW SC FW FW FW SC  
POP 12HR 30 0 5 0 10 20 20 5 5  
RAIN SHWRS C S S S S  
TSTMS C S S S  
 
 
ILZ013-180900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 80 64 80 65  
TEMP 70 68 67 74 78 80 76 69 66 64 65 73 79 80 76 71 68 66 65  
DEWPT 65 64 64 66 64 63 64 63 63 62 63 68 69 70 71 69 68 66 65  
RH 84 87 90 76 62 56 66 81 90 93 93 84 72 72 85 93100100100  
WIND DIR N N N N N N NW SW SW SW SW SW SW W W W W NW NW  
WIND SPD 6 5 5 6 8 6 4 3 4 4 4 8 11 11 8 5 5 5 3  
CLOUDS B1 SC SC B1 SC SC SC FW FW SC B1 SC SC B1 B2 B2 B2 B2 B1  
POP 12HR 5 5 0 40 70  
QPF 12HR 0.01 0 0 0 0.37  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L L L C  
TSTMS S C S C S S S  
HEAT INDEX 81 82 83  
MAX HEAT 81 82 84  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 61 77 60 78 63 78 62 75  
TEMP 76 73 65 62 75 73 64 62 76 74 65 65 75 74 66 63 73 72  
DEWPT 66 62 60 58 60 61 59 59 64 65 63 63 67 65 63 61 65 65  
PWIND DIR N NE NE SE SW SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC FW SC SC SC FW FW SC SC SC SC SC FW SC SC  
POP 12HR 30 0 0 0 10 20 20 10 5  
RAIN SHWRS C S S S  
TSTMS S S S  
 
 
ILZ019-180900-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 80 63 81 67  
TEMP 71 67 66 74 78 80 76 70 66 64 64 75 80 81 78 72 69 67 67  
DEWPT 68 65 63 67 66 66 67 64 63 62 62 67 69 70 71 69 68 66 65  
RH 90 93 90 79 67 62 74 81 90 93 93 76 69 69 79 90 97 97 93  
WIND DIR NW NW N N N NW NW SW SW SW SW SW SW W W W W NW NW  
WIND SPD 4 4 5 6 8 6 4 3 4 4 3 6 9 9 4 3 4 4 3  
CLOUDS B1 B1 SC SC SC SC FW FW FW FW SC FW SC SC B1 B2 B2 B2 B2  
POP 12HR 10 5 0 20 70  
QPF 12HR 0.02 0 0 0 0.39  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L L L L C  
TSTMS S C C C C S  
HEAT INDEX 82 83 85  
MAX HEAT 82 83 85  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 60 77 59 78 63 78 62 77  
TEMP 76 74 64 61 75 74 64 60 75 75 66 64 75 75 66 63 75 74  
DEWPT 66 65 60 58 61 63 60 58 63 65 63 62 67 65 63 60 65 65  
PWIND DIR N NE NE E S SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 SC SC SC SC FW FW SC FW SC SC SC SC FW SC SC  
POP 12HR 40 5 5 0 5 20 20 20 5  
RAIN SHWRS C S S S S S  
TSTMS C S S  
 
 
ILZ106-180900-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 79 63 81 66  
TEMP 70 68 67 74 78 79 76 69 66 64 64 74 80 81 77 71 68 67 66  
DEWPT 67 66 65 68 66 66 66 64 63 62 64 69 70 71 71 71 68 67 66  
RH 90 93 93 82 67 64 71 84 90 93100 84 72 72 82100100100100  
WIND DIR N N N N N N NW S SW SW SW SW SW W W W W NW NW  
WIND SPD 5 5 5 6 8 6 4 3 4 4 4 8 10 10 6 4 4 4 3  
CLOUDS B1 B1 SC B1 SC SC SC FW FW FW SC SC SC B1 B1 B2 B2 B2 B2  
POP 12HR 10 10 0 20 70  
QPF 12HR 0.02 0 0 0 0.27  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L L L L C  
TSTMS S S S C S S S  
HEAT INDEX 81 82 84  
MAX HEAT 81 83 85  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 60 78 59 78 62 78 62 77  
TEMP 77 74 65 62 75 74 63 61 75 75 66 63 75 74 65 63 75 74  
DEWPT 67 64 60 60 62 62 60 60 64 65 64 63 68 65 64 62 66 65  
PWIND DIR N NE E E S SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 SC FW SC SC SC FW SC SC SC SC SC SC FW SC SC  
POP 12HR 40 5 5 0 5 20 20 5 5  
RAIN SHWRS C S S S  
TSTMS C S  
 
 
ILZ023-180900-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 79 62 81 65  
TEMP 72 69 67 74 79 79 75 67 64 63 63 74 80 81 77 71 68 66 65  
DEWPT 70 66 65 68 67 67 67 64 63 62 63 69 69 70 71 70 68 66 65  
RH 93 90 93 82 67 67 76 90 97 97100 84 69 69 82 97100100100  
WIND DIR NW N N N N N NE SE SW SW SW SW W W W W W NW NW  
WIND SPD 4 4 5 6 8 6 3 2 3 3 1 3 5 6 3 2 2 2 2  
CLOUDS B1 B1 B1 B1 B1 SC SC FW FW SC FW FW SC SC SC B1 B2 B2 B2  
POP 12HR 30 10 0 5 70  
QPF 12HR 0.02 0 0 0 0.15  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L L C  
TSTMS S S C S C S  
HEAT INDEX 83 85  
MAX HEAT 81 83 85  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 59 77 57 78 60 78 60 77  
TEMP 76 72 63 60 73 72 60 59 74 74 64 62 74 73 63 62 73 72  
DEWPT 68 66 60 59 63 63 59 58 64 65 62 62 68 66 63 62 66 66  
PWIND DIR N NE NE NE SE SW W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC  
POP 12HR 40 5 5 0 5 20 20 5 5  
RAIN SHWRS C C S S  
TSTMS C C S  
 
 
ILZ033-180900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 79 61 81 65  
TEMP 73 70 68 74 78 79 74 67 64 62 62 73 80 81 77 69 66 66 65  
DEWPT 72 68 66 69 68 67 67 64 62 61 62 69 68 69 70 68 66 66 65  
RH 97 93 93 84 71 67 79 90 93 97100 87 67 67 79 97100100100  
WIND DIR NW N N N N N N NE SW SW SW SW W W SW SW W NW W  
WIND SPD 4 4 5 6 8 8 5 2 2 3 1 2 4 4 2 1 1 1 1  
CLOUDS B2 B2 B1 B1 SC SC SC FW SC FW FW FW SC SC SC SC B2 OV B2  
POP 12HR 40 5 0 0 50  
QPF 12HR 0.09 0 0 0 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C  
TSTMS C S C S  
HEAT INDEX 82 84  
MAX HEAT 82 82 84  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 58 77 56 77 59 78 59 77  
TEMP 76 72 62 60 74 71 59 58 75 73 62 61 75 73 62 61 74 72  
DEWPT 68 67 60 58 63 63 58 57 63 65 61 61 67 66 62 61 66 66  
PWIND DIR N NE NE NE SE SW W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 B1 SC SC SC SC SC SC FW FW FW SC SC SC FW SC  
POP 12HR 50 10 5 0 5 20 20 20 5  
RAIN SHWRS C C S S S  
TSTMS C C S S  
 
 
ILZ039-180900-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 79 62 81 66  
TEMP 72 70 67 74 79 79 75 68 64 63 62 74 80 81 78 70 67 66 66  
DEWPT 71 69 66 68 69 68 68 64 63 62 62 69 69 70 70 67 67 66 66  
RH 97 97 97 82 72 69 79 87 97 97100 84 69 69 76 90100100100  
WIND DIR NW N N N N N N N SW SW W SW W W SW SW W NW NW  
WIND SPD 4 5 5 6 9 9 5 2 2 3 2 3 5 5 3 2 2 3 2  
CLOUDS B2 B2 B1 SC SC SC FW SC SC FW FW FW SC SC SC SC B1 B2 B2  
POP 12HR 40 5 0 0 40  
QPF 12HR 0.09 0 0 0 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S C C L  
TSTMS C S S C S  
HEAT INDEX 80 83 84  
MAX HEAT 82 83 85  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 59 77 57 78 60 78 60 78  
TEMP 77 73 64 61 74 73 61 59 75 74 62 62 76 74 63 62 75 73  
DEWPT 70 67 62 60 64 64 59 58 65 66 61 62 68 67 62 61 67 66  
PWIND DIR N NE NE NE E S W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 B1 SC SC SC SC FW SC FW FW FW SC SC FW FW SC  
POP 12HR 60 20 5 0 5 20 20 20 5  
RAIN SHWRS L L S S S S  
TSTMS S C S S  
 
 
INZ001-180900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 77 62 80 64  
TEMP 72 69 68 73 77 77 73 66 63 62 62 74 79 80 75 70 67 65 65  
DEWPT 69 67 67 68 66 65 65 62 61 61 62 68 68 70 70 68 67 65 65  
RH 90 93 97 84 69 67 76 87 93 97100 82 69 72 84 93100100100  
WIND DIR N N N N N N NE S SW SW SW SW SW W W SW W NW NW  
WIND SPD 4 4 5 8 8 8 4 2 4 4 3 5 8 9 5 4 4 4 3  
CLOUDS B2 B1 B1 B1 SC SC FW FW FW FW CL FW SC B1 SC B2 B2 B2 B2  
POP 12HR 30 10 0 10 70  
QPF 12HR 0.02 0 0 0 0.20  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S L L L L C  
TSTMS S S C C S S  
HEAT INDEX 83  
MAX HEAT 83  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 75 58 76 56 77 59 77 59 74  
TEMP 75 70 64 61 73 70 61 60 74 72 63 63 74 71 63 63 72 70  
DEWPT 67 64 60 59 61 62 59 58 63 65 62 62 67 65 63 62 66 65  
PWIND DIR N NE NE E S SW W NW N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 SC SC FW SC SC SC FW FW FW SC FW SC SC SC FW SC  
POP 12HR 40 5 0 0 5 20 20 10 5  
RAIN SHWRS C S S S  
TSTMS C S S  
 
 
INZ010-180900-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 79 61 80 64  
TEMP 73 70 68 74 78 78 74 66 63 61 61 73 79 80 76 68 66 65 65  
DEWPT 72 69 67 69 68 66 66 63 61 60 61 68 68 68 69 68 66 65 65  
RH 97 97 97 84 71 67 76 90 93 97100 84 69 67 79100100100100  
WIND DIR NW N N N N N N NE SW SW SW SW W W SW SW SW W NW  
WIND SPD 4 3 5 6 8 6 4 2 2 3 1 3 4 5 2 2 2 1 1  
CLOUDS B2 B2 B1 B1 SC SC SC FW FW FW FW FW SC SC SC SC B2 OV B2  
POP 12HR 40 5 0 0 50  
QPF 12HR 0.11 0 0 0 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S S C C C  
TSTMS C S S S S C S  
HEAT INDEX 83  
MAX HEAT 83  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 76 57 76 55 77 59 77 58 76  
TEMP 76 72 62 59 73 71 58 57 74 73 61 61 74 72 61 61 74 71  
DEWPT 68 65 60 58 62 62 57 57 63 64 60 61 66 65 61 61 65 65  
PWIND DIR N NE NE NE SE SW W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 B1 SC SC SC SC SC SC FW FW SC SC SC SC SC SC  
POP 12HR 50 10 5 0 5 20 20 10 5  
RAIN SHWRS C C S S  
TSTMS C C S  
 
 
INZ011-180900-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
1215 AM CDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 78 61 79 64  
TEMP 72 69 68 73 77 77 73 65 63 61 61 72 77 79 75 68 65 65 64  
DEWPT 71 68 67 69 67 66 65 62 60 59 61 68 68 69 70 68 65 65 64  
RH 97 97 97 87 71 69 76 90 90 93100 87 74 72 84100100100100  
WIND DIR NW NW N N N N N N W SW SW SW W W SW SW W W NW  
WIND SPD 3 3 4 5 8 8 4 2 2 4 2 4 5 6 3 3 3 2 2  
CLOUDS B2 B2 B1 B1 SC SC FW FW FW FW FW FW SC SC SC B1 B1 OV B2  
POP 12HR 40 5 0 5 60  
QPF 12HR 0.09 0 0 0 0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S S L L C  
TSTMS C S S S C C S  
HEAT INDEX 81  
MAX HEAT 82  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 75 56 75 54 76 58 76 58 75  
TEMP 74 70 62 59 73 70 58 58 74 72 61 61 74 71 62 61 73 71  
DEWPT 68 65 59 57 62 62 57 57 63 65 61 61 67 66 61 61 66 65  
PWIND DIR NW NE NE NE SE SW W W NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC  
POP 12HR 50 10 0 0 0 20 20 10 5  
RAIN SHWRS C C S S  
TSTMS C C S  
 
 
INZ019-180900-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
115 AM EDT MON AUG 17 2026  
 
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 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 78 62 79 65  
TEMP 73 70 68 74 78 78 73 67 64 62 62 72 78 79 76 69 67 66 66  
DEWPT 72 70 68 69 68 67 66 63 61 60 62 68 68 69 69 68 66 66 66  
RH 97100100 84 71 69 79 87 90 93100 87 71 72 79 97 97100100  
WIND DIR NW N N N N N N NE W W W SW W W SW SW SW W W  
WIND SPD 4 4 5 6 9 9 5 2 2 3 1 3 5 5 2 2 2 2 1  
CLOUDS OV OV B1 B1 SC SC FW FW SC FW FW FW SC SC SC SC B1 B2 B2  
POP 12HR 40 5 0 0 50  
QPF 12HR 0.12 0 0 0 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S C C C  
TSTMS C S S C S  
HEAT INDEX 82  
MAX HEAT 82  
 
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26  
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 76 59 76 57 76 60 77 60 76  
TEMP 75 72 63 61 73 71 60 58 74 72 62 62 74 72 62 62 74 71  
DEWPT 68 66 61 59 62 63 58 58 63 64 61 61 67 66 62 61 65 65  
PWIND DIR NW NE NE NE E SW W NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 B1 SC SC SC SC FW SC FW SC FW SC SC SC FW SC  
POP 12HR 60 20 5 0 5 20 20 10 5  
RAIN SHWRS C L S S S  
TSTMS C C S S  
 
 
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