721  
FOUS53 KLOT 142015  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
315 PM CDT FRI AUG 14 2026  
 
ILZ104-150900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 73 85 67  
TEMP 80 76 73 72 71 72 75 78 83 83 79 77 75 75 79 82 84 79 75 72 69 68  
DEWPT 69 69 67 68 69 71 74 75 76 77 76 76 74 73 76 75 74 72 70 69 66 65  
RH 69 79 81 87 93 97 97 91 80 82 91 97 97 94 91 79 72 79 84 90 90 90  
WIND DIR E NE NE E SE S S S SW S W W W W W NW NW NW NW NW N N  
WIND SPD 9 8 6 6 6 9 10 10 8 5 5 5 8 9 9 10 9 6 6 6 6 5  
CLOUDS B1 B2 B2 B2 OV B2 OV OV OV B1 B2 B1 B2 B1 B2 B1 SC SC SC SC SC FW  
POP 12HR 90 90 30 30 0  
QPF 12HR 0.18 0.21 0.47 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L D C S S C C C S S  
TSTMS C C C S S S C C C S S  
HEAT INDEX 82 92 91 88 90 83  
MAX HEAT 82 94 89 88 91  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 65 82 68 80 64 75 62 76  
TEMP 78 76 69 66 80 79 72 68 77 76 68 65 73 72 65 64 74 73  
DEWPT 65 63 63 63 67 67 67 67 70 67 64 62 64 61 61 61 64 63  
PWIND DIR NE S SW SW NW N NE N NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW SC FW FW SC B1 B1 B2 B2 B2 SC SC SC B1 SC SC B1 B1  
POP 12HR 0 0 5 50 40 20 10 10 10  
RAIN SHWRS C C C S S  
TSTMS S C S S S  
 

 
ILZ003-150900-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 85 71 83 62  
TEMP 80 76 70 68 68 70 74 79 84 83 76 74 73 73 76 81 82 78 71 67 64 62  
DEWPT 69 70 67 66 68 70 72 75 76 77 76 74 73 73 73 74 72 70 68 66 63 62  
RH 69 82 90 93100100 93 88 77 82100100100100 90 79 72 76 90 97 97100  
WIND DIR E E E E SE S S S SW SW SW W W W NW NW NW NW NW NW N N  
WIND SPD 10 8 8 8 8 10 10 8 8 4 5 4 8 6 8 10 10 8 6 5 5 4  
CLOUDS B2 B2 B2 B1 OV B2 OV OV B1 SC SC B2 B2 B1 B2 B1 SC FW FW FW FW FW  
POP 12HR 70 50 30 20 0  
QPF 12HR 0.21 0.13 0.82 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C L C S C C S S S S  
TSTMS C C C S C C S S S S  
HEAT INDEX 83 84 93 92 86 87  
MAX HEAT 83 84 95 88 86 88  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 60 81 65 79 59 75 57 76  
TEMP 78 76 64 61 78 77 69 65 76 75 64 60 73 72 61 59 73 73  
DEWPT 63 64 63 61 66 68 67 65 68 65 62 60 62 62 60 59 62 64  
PWIND DIR N SW SW SW NW N N NE NW  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW FW FW FW SC B1 B1 B2 B2 B1 SC SC SC B1 SC SC B1 SC  
POP 12HR 0 0 20 60 30 20 20 20 20  
RAIN SHWRS S C L C S S S S S  
TSTMS S C C S S S S S  
 

 
ILZ104-150900-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 84 74 84 69  
TEMP 79 75 74 73 72 73 76 79 83 83 79 77 76 76 79 83 83 80 76 74 71 70  
DEWPT 71 71 68 70 70 71 73 74 75 76 76 76 74 74 75 74 72 72 70 70 67 66  
RH 77 87 82 90 93 93 90 85 77 80 91 97 94 94 88 74 70 77 82 87 87 87  
WIND DIR NE NE NE E SE SE S S S SW SW SW W W W NW NW NW NW NW N N  
WIND SPD 9 6 6 6 8 9 10 11 8 6 5 5 8 9 9 10 9 6 6 6 6 6  
CLOUDS B1 B2 B1 B2 B2 B2 OV OV OV B2 B2 B2 B2 B1 B2 B2 B1 SC SC SC SC SC  
POP 12HR 90 100 30 30 5  
QPF 12HR 0.18 0.30 0.31 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L D L C S C C C S S  
TSTMS C C C S S S C C C S S  
HEAT INDEX 83 91 91 84 83 89 89 83  
MAX HEAT 83 93 89 89 90  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 82 69 80 66 75 64 76  
TEMP 78 76 70 66 80 79 72 69 78 76 70 67 72 72 66 65 73 73  
DEWPT 64 62 63 63 65 66 67 67 69 66 64 63 62 60 61 61 63 62  
PWIND DIR NE S SW SW NW N NE N NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS SC SC SC FW SC B1 B1 B2 B2 B2 B1 SC SC B1 SC B1 B1 B1  
POP 12HR 0 0 5 50 40 20 10 20 10  
RAIN SHWRS C C C S S S  
TSTMS S C S S S S  
 

 
ILZ021-150900-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 88 74 85 66  
TEMP 80 78 73 71 71 73 77 83 87 85 79 77 75 75 80 84 84 80 74 71 68 67  
DEWPT 72 73 71 70 71 72 76 78 79 80 78 75 74 73 78 77 77 75 72 69 67 66  
RH 77 85 93 97100 97 97 85 77 85 97 94 97 94 94 80 80 85 93 93 97 97  
WIND DIR E E E E SE SE S S S SW SW W W W W NW NW NW NW N N N  
WIND SPD 8 6 6 6 6 9 11 10 8 5 5 4 8 6 8 10 9 6 6 5 5 5  
CLOUDS B1 B1 B2 OV B2 B2 OV OV B2 B1 B1 B1 B2 B1 B1 B1 B1 SC SC FW FW FW  
POP 12HR 100 80 30 30 5  
QPF 12HR 0.37 0.84 0.64 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D D C S C C C C C  
TSTMS C C C S S C C C C C  
HEAT INDEX 84 93101100 84 87 94 93 85  
MAX HEAT 84 93 103 95 94 95  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 63 82 67 82 63 77 61 77  
TEMP 80 77 66 64 80 80 70 68 79 77 67 65 75 74 63 62 74 74  
DEWPT 69 67 64 64 69 70 67 67 73 69 65 63 67 65 62 61 66 66  
PWIND DIR N SW SW S NW N NE N NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW SC SC FW SC B1 SC B2 B2 B2 SC SC SC B1 SC SC B1 B1  
POP 12HR 0 0 20 50 40 20 20 20 10  
RAIN SHWRS S C C C S S S S S S  
TSTMS S S C S S S S  
 

 
ILZ006-150900-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 71 82 63  
TEMP 77 74 70 70 69 71 74 76 80 78 74 74 72 73 78 81 82 77 71 68 65 66  
DEWPT 67 67 65 67 68 71 72 72 74 74 74 74 72 73 75 74 73 71 69 67 64 64  
RH 71 79 84 90 97100 93 87 82 88100100100100 91 79 74 82 93 97 97 93  
WIND DIR NE NE NE E SE SE S S S S SW W W W NW NW NW NW NW N N N  
WIND SPD 10 8 8 5 8 10 12 10 8 5 5 6 8 9 10 9 9 6 8 8 8 6  
CLOUDS B1 B2 B1 B2 OV OV OV OV B2 B1 B1 B1 B2 B1 B2 B1 SC SC FW SC SC FW  
POP 12HR 60 70 30 20 0  
QPF 12HR 0.04 0.20 0.35 0.10 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C L C S C C S S S S  
TSTMS C C C S S C C S S S S  
HEAT INDEX 84 86 87  
MAX HEAT 84 86 88  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 80 65 76 60 72 59 73  
TEMP 75 73 65 65 79 77 69 66 74 73 64 63 70 69 62 62 71 70  
DEWPT 63 63 63 63 65 67 67 66 67 65 62 61 61 60 60 60 62 62  
PWIND DIR NE SW SW SW NW N NE N NE  
WIND CHAR LT LT LT LT GN GN GN LT LT  
AVG CLOUDS FW SC FW FW SC B1 B1 B2 B2 B2 B1 SC SC SC SC SC B1 SC  
POP 12HR 0 0 20 60 40 10 10 10 20  
RAIN SHWRS S C L C S S  
TSTMS S S C C S S  
 

 
ILZ021-150900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 90 74 87 67  
TEMP 81 79 73 72 72 74 79 85 88 87 79 77 75 75 81 84 84 80 74 71 68 67  
DEWPT 73 74 73 72 72 73 78 81 82 81 77 75 73 73 78 79 79 77 73 70 68 67  
RH 77 85100100100 97 97 88 83 82 94 94 94 94 91 85 85 91 97 97100100  
WIND DIR E E E E SE SE S S SW SW SW SW W W W NW NW NW NW N N N  
WIND SPD 6 5 6 8 8 10 10 9 9 5 5 4 6 5 9 9 9 6 6 5 5 5  
CLOUDS B1 B1 B1 B2 B2 B2 OV OV B2 SC B1 B1 B1 B2 B1 B1 B1 SC SC SC FW FW  
POP 12HR 100 100 30 30 10  
QPF 12HR 1.37 0.37 0.10 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D D C S C C C C C C C  
TSTMS C C C S S C C C C C C C  
HEAT INDEX 86 82 84 99107103 82 89 96 96 86  
MAX HEAT 87 99 110 97 96 97  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 63 84 68 83 64 78 61 78  
TEMP 79 77 66 64 80 80 70 70 80 78 67 65 74 74 64 62 74 75  
DEWPT 70 70 64 64 70 72 67 67 75 72 66 64 69 68 62 61 68 68  
PWIND DIR N N SW S W N NE NE NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW SC SC SC FW SC SC B1 B1 B1 B1 B1 SC B1 B1 SC SC SC  
POP 12HR 0 0 5 40 40 30 20 10 10  
RAIN SHWRS S C C S S C S S  
TSTMS C S S S  
 

 
INZ002-150900-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 72 82 66  
TEMP 80 77 71 70 69 70 75 77 81 81 76 75 74 74 78 81 81 76 72 70 68 67  
DEWPT 71 72 70 70 69 70 74 75 77 77 75 75 74 74 76 76 75 73 71 70 68 67  
RH 74 85 97100100100 97 94 88 88 97100100100 94 85 82 90 97100100100  
WIND DIR E NE NE E SE SE SE S S S S W SW W W NW NW NW NW N N NE  
WIND SPD 6 5 4 4 6 8 8 11 8 8 8 6 6 9 10 9 8 5 4 5 5 5  
CLOUDS B1 B1 B1 B1 OV OV OV OV B2 B2 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC  
POP 12HR 90 100 30 30 10  
QPF 12HR 0.18 1.09 0.35 0.09 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C D D C S C C C C C  
TSTMS S C C S S S C C C C C  
HEAT INDEX 83 89 88 86 86  
MAX HEAT 83 91 84 86 87  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 79 64 78 61 73 58 73  
TEMP 75 72 64 62 76 76 68 65 76 73 66 63 70 68 62 61 71 69  
DEWPT 66 65 62 61 66 68 66 65 71 67 65 63 64 63 62 61 64 65  
PWIND DIR N S SW S W N N NE NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW FW SC FW SC SC B1 B1 B1 B1 B1 SC SC SC SC SC B1 B1  
POP 12HR 0 0 5 40 40 20 20 20 20  
RAIN SHWRS S C C C S S S S  
TSTMS S S S C S S S  
 

 
ILZ005-150900-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 84 70 83 62  
TEMP 79 74 70 68 67 69 73 77 83 82 76 74 73 72 76 80 82 78 71 68 65 63  
DEWPT 67 67 65 65 67 69 73 76 78 78 76 74 73 72 75 75 75 73 69 66 63 63  
RH 67 79 84 90100100100 97 85 88100100100100 97 85 79 85 93 93 93100  
WIND DIR E E E E SE S S S SW SW SW W W W NW NW NW NW NW N N N  
WIND SPD 11 8 8 6 8 9 10 9 8 5 5 5 8 8 9 10 10 8 6 6 6 5  
CLOUDS B1 B2 B1 B2 OV B2 OV OV B2 B1 SC B1 B2 B1 B1 B1 SC SC FW FW FW FW  
POP 12HR 60 60 30 20 0  
QPF 12HR 0.19 0.08 0.70 0.03 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C L L S C C S S S S  
TSTMS C C C S C C S S S S  
HEAT INDEX 92 91 85 88  
MAX HEAT 81 94 88 86 89  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 60 80 64 78 59 74 58 75  
TEMP 77 75 64 63 78 77 69 65 75 74 64 61 71 70 61 60 72 72  
DEWPT 66 67 63 62 68 70 66 65 70 68 62 60 65 64 60 59 65 66  
PWIND DIR N SW SW SW NW N N SE NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC FW FW SC B1 B1 B2 B2 B1 SC SC SC B1 SC SC B1 SC  
POP 12HR 0 0 10 60 40 10 10 10 20  
RAIN SHWRS S C L C S S  
TSTMS S C C S S  
 

 
ILZ008-150900-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 85 70 83 61  
TEMP 79 75 71 69 68 70 75 80 85 83 77 74 73 73 76 81 82 78 71 67 64 62  
DEWPT 70 71 69 67 68 70 75 79 80 80 77 74 73 73 76 77 76 74 69 66 63 62  
RH 74 87 93 93100100100 97 85 91100100100100100 88 82 88 93 97 97100  
WIND DIR E E E E SE S S SW SW SW S W W W NW NW NW NW NW NW N N  
WIND SPD 9 8 8 8 8 10 9 6 6 4 4 4 6 6 8 10 10 8 6 5 5 4  
CLOUDS B2 B2 B2 B2 B2 B2 OV B2 SC B1 B1 B1 B2 B1 B1 B1 SC SC FW FW FW FW  
POP 12HR 90 60 30 20 0  
QPF 12HR 0.50 0.35 0.67 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D L C S C C S S S S  
TSTMS C C C S S C C S S S S  
HEAT INDEX 82 88 98 96 88 89  
MAX HEAT 82 88 99 91 88 90  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 60 81 64 79 59 75 57 77  
TEMP 78 76 65 62 78 78 69 65 76 75 64 61 72 72 62 59 73 73  
DEWPT 67 68 63 62 69 72 67 65 71 69 63 60 65 66 61 59 65 68  
PWIND DIR N SW SW SW NW N N E NW  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW FW FW FW SC B1 B1 B2 B2 B1 SC FW SC B1 SC SC B1 SC  
POP 12HR 0 0 20 60 30 20 20 20 20  
RAIN SHWRS S C L C S S S S S  
TSTMS S C C S S S S S  
 

 
ILZ011-150900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 85 71 83 62  
TEMP 79 75 70 69 68 70 74 79 84 83 77 75 74 73 77 81 82 78 72 68 65 63  
DEWPT 70 70 68 66 68 70 74 77 79 79 76 74 73 73 75 76 76 73 70 67 64 63  
RH 74 84 93 90100100100 94 85 88 97 97 97100 94 85 82 85 93 97 97100  
WIND DIR E E E E SE SE S S SW SW SW W W W NW NW NW NW NW NW N N  
WIND SPD 10 8 8 8 8 10 11 9 8 5 5 4 8 8 9 10 10 6 6 6 6 5  
CLOUDS B2 B1 B2 B2 OV B2 OV OV B2 SC B1 B1 B2 B1 B2 B1 SC SC FW FW FW FW  
POP 12HR 90 70 30 20 0  
QPF 12HR 0.25 0.20 0.31 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D L C C C S S S S  
TSTMS C C C S C C S S S S  
HEAT INDEX 84 95 93 87 89  
MAX HEAT 84 97 89 87 90  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 60 81 65 79 60 75 58 76  
TEMP 78 75 64 63 78 77 69 66 76 75 65 61 72 71 61 60 73 72  
DEWPT 67 67 62 62 69 70 66 66 71 68 62 61 65 64 60 59 65 66  
PWIND DIR N SW SW SW NW N N NE NW  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW FW FW FW SC B1 B1 B2 B2 B2 SC SC SC B1 SC SC B1 SC  
POP 12HR 0 0 20 60 40 20 20 20 10  
RAIN SHWRS S C L C S S S S  
TSTMS S C C S S S S S  
 

 
ILZ010-150900-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 71 84 62  
TEMP 79 76 72 70 69 71 76 82 86 85 78 75 74 73 77 82 83 79 71 68 65 63  
DEWPT 71 72 71 69 69 71 75 78 79 80 77 75 74 73 75 76 75 73 70 67 64 63  
RH 77 87 97 97100100 97 88 80 85 97100100100 94 82 77 82 97 97 97100  
WIND DIR E E E E SE S S SW SW SW S W W W NW NW NW NW NW N N N  
WIND SPD 9 8 8 10 6 10 10 6 6 4 4 4 6 5 8 10 10 6 6 5 5 4  
CLOUDS B2 B2 B1 B2 B2 OV B2 OV B2 SC B1 B1 B2 B1 B1 B1 SC SC FW FW FW FW  
POP 12HR 100 60 30 20 5  
QPF 12HR 0.71 0.22 0.36 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C L D L S S C C S S S S  
TSTMS C C C S S C C S S S S  
HEAT INDEX 91100 99 89 89  
MAX HEAT 92 103 94 90 91  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 60 82 65 80 60 76 58 77  
TEMP 78 77 66 62 79 79 70 66 77 76 65 62 74 73 63 59 74 74  
DEWPT 67 67 64 62 69 71 68 66 71 69 64 61 65 65 62 59 65 66  
PWIND DIR N W SW SW NW N NE E NW  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW FW FW FW SC SC SC B1 B2 B1 SC SC SC SC SC SC B1 SC  
POP 12HR 0 0 20 60 30 20 20 20 20  
RAIN SHWRS S C L C S S S S  
TSTMS S C C S S S  
 

 
ILZ012-150900-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 72 84 65  
TEMP 78 76 72 70 70 71 75 79 84 83 78 76 74 73 78 82 83 79 74 70 67 65  
DEWPT 70 71 68 68 69 71 75 77 78 79 77 75 73 73 76 76 76 74 71 68 66 65  
RH 76 85 87 93 97100100 94 82 88 97 97 97100 94 82 80 85 90 93 97100  
WIND DIR E E E E SE SE S S SW SW W W W W NW NW NW NW NW NW N N  
WIND SPD 9 6 8 6 8 9 10 10 8 5 5 5 8 8 9 10 10 6 6 6 6 5  
CLOUDS B1 B1 B2 B2 OV B2 OV OV B2 SC B1 B2 B2 SC B2 B1 SC SC SC SC SC FW  
POP 12HR 90 80 30 30 0  
QPF 12HR 0.18 0.33 0.27 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D D C S C C C C S S  
TSTMS C C C S S C C C C S S  
HEAT INDEX 83 94 93 89 90 80  
MAX HEAT 84 96 92 89 91  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 62 81 66 80 62 75 60 76  
TEMP 78 76 67 63 79 78 70 67 77 76 66 63 73 72 64 61 73 73  
DEWPT 67 66 64 63 69 70 67 67 71 68 64 62 65 64 61 60 66 66  
PWIND DIR N SW SW SW NW N N N N  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW SC FW FW SC SC B1 B2 B2 B1 SC SC SC SC SC SC B1 SC  
POP 12HR 0 0 10 50 40 20 10 20 10  
RAIN SHWRS C C C S S S  
TSTMS C C S S S S  
 

 
ILZ020-150900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 86 73 84 65  
TEMP 79 76 72 70 70 71 76 81 85 84 79 76 74 74 79 82 83 79 73 70 67 65  
DEWPT 71 72 70 69 70 71 75 78 79 79 77 75 74 73 77 77 76 74 71 68 66 65  
RH 77 87 93 97100100 97 91 82 85 94 97100 97 94 85 80 85 93 93 97100  
WIND DIR E E E E SE SE S S S SW SW W W W NW NW NW NW NW N N N  
WIND SPD 8 6 6 6 6 9 11 10 8 5 5 4 8 8 8 10 9 6 6 6 6 5  
CLOUDS B1 B1 B2 B2 OV B2 OV OV B1 SC B2 B2 B2 B1 B2 B2 SC SC SC FW FW FW  
POP 12HR 100 80 30 30 5  
QPF 12HR 0.33 0.98 0.26 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D D C S C C C C C  
TSTMS C C C S S C C C C C  
HEAT INDEX 80 88 97 96 90 90  
MAX HEAT 82 88 99 92 91 92  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 62 81 66 80 62 76 60 76  
TEMP 78 76 66 63 79 78 70 67 77 76 66 64 74 72 62 61 73 73  
DEWPT 67 67 63 63 69 70 67 67 72 68 64 62 66 64 61 60 66 66  
PWIND DIR N SW SW S NW N N N N  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW FW FW FW SC B1 SC B2 B2 B1 SC SC SC B1 SC SC SC B1  
POP 12HR 0 0 20 50 40 20 20 20 20  
RAIN SHWRS S C C C S S S S S S S  
TSTMS S S C S S S S S S  
 

 
ILZ013-150900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 72 84 66  
TEMP 79 75 72 71 70 72 75 78 83 83 78 76 75 74 78 81 83 79 74 71 68 67  
DEWPT 70 71 68 68 69 71 75 76 77 78 77 75 74 73 76 76 75 73 71 68 66 66  
RH 74 87 87 90 97 97100 94 82 85 97 97 97 97 94 85 77 82 90 90 93 97  
WIND DIR E NE NE E SE S S S S SW W W W W W NW NW NW NW NW N N  
WIND SPD 9 6 6 6 6 9 10 10 8 5 5 5 8 8 9 10 9 6 6 6 6 5  
CLOUDS B1 B1 B1 B2 B2 B2 OV OV B2 B1 B2 B1 B2 B1 B2 B1 SC SC FW SC SC FW  
POP 12HR 90 90 30 30 0  
QPF 12HR 0.19 0.26 0.30 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C D D C S S C C C S S  
TSTMS C C C S S S C C C S S  
HEAT INDEX 93 92 88 90 82  
MAX HEAT 95 90 88 91  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 81 67 79 63 75 61 76  
TEMP 78 76 68 64 78 78 71 68 76 75 67 64 72 71 65 62 73 73  
DEWPT 67 65 64 63 68 69 67 67 71 68 64 63 65 63 61 61 65 65  
PWIND DIR N SW SW SW NW N NE N N  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW SC SC FW SC SC B1 B2 B2 B2 SC SC SC SC SC SC B1 SC  
POP 12HR 0 0 5 50 40 20 10 20 10  
RAIN SHWRS C C C S S S  
TSTMS S C S S S S  
 

 
ILZ019-150900-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 89 74 85 67  
TEMP 80 78 74 72 72 73 78 83 87 86 80 77 76 75 80 83 84 80 75 71 68 67  
DEWPT 73 73 72 70 70 71 75 78 79 79 77 75 73 72 76 76 76 74 71 68 66 65  
RH 79 85 93 93 93 93 91 85 77 80 91 94 90 90 88 80 77 82 87 90 93 93  
WIND DIR E E E E SE SE S S S SW SW SW W W NW NW NW NW NW N N N  
WIND SPD 8 6 8 9 8 9 11 9 8 5 5 4 6 6 8 9 9 6 6 5 5 5  
CLOUDS B1 B1 B2 B2 B2 B2 B2 OV B2 B2 SC B2 B2 B1 B1 B1 SC SC SC SC FW FW  
POP 12HR 100 80 30 30 5  
QPF 12HR 0.50 1.02 0.36 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C D D C S C C C C C C  
TSTMS C C C S S C C C C C C  
HEAT INDEX 83 93101100 87 84 92 92 84  
MAX HEAT 83 93 104 96 92 93  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 63 83 68 82 64 77 62 77  
TEMP 79 77 67 64 80 80 71 69 79 77 68 65 74 74 65 62 74 74  
DEWPT 67 67 64 63 68 69 67 66 71 69 65 62 65 65 62 60 65 65  
PWIND DIR N SW SW SW NW N NE NE N  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW SC SC FW FW B1 SC B1 B2 B2 SC B1 SC B1 SC SC B1 B1  
POP 12HR 0 0 20 50 40 20 20 20 10  
RAIN SHWRS S C C C S S S S S  
TSTMS S C S S S  
 

 
ILZ106-150900-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 74 85 67  
TEMP 79 76 73 72 72 73 77 81 86 85 80 77 76 75 80 84 84 80 75 72 69 68  
DEWPT 72 73 71 70 71 72 76 77 78 79 78 75 74 74 77 77 76 75 73 70 68 67  
RH 79 90 93 93 97 97 97 88 77 82 94 94 94 97 91 80 77 85 94 93 97 97  
WIND DIR E E E E SE S S S S SW SW W W W W NW NW NW NW N N N  
WIND SPD 8 6 6 6 6 9 11 10 8 5 5 5 8 8 9 10 9 6 6 6 5 5  
CLOUDS B1 B1 B1 B2 B2 B2 OV OV OV B1 B2 B2 B2 B1 B2 B2 B1 B1 SC SC SC FW  
POP 12HR 100 90 30 30 5  
QPF 12HR 0.36 0.85 0.44 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C D D C S S C C C C C  
TSTMS C C C S S S C C C C C  
HEAT INDEX 82 90 99 98 87 86 93 93 85  
MAX HEAT 83 91 102 96 94 95  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 63 82 67 81 64 77 61 77  
TEMP 80 77 67 65 80 79 71 68 78 77 68 65 74 73 65 62 74 74  
DEWPT 68 66 64 64 69 70 67 67 72 68 65 64 66 64 62 61 66 65  
PWIND DIR N SW SW S W N NE N NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS FW SC SC FW SC B1 B1 B2 B2 B1 B1 B1 SC B1 SC SC B1 B1  
POP 12HR 0 0 20 50 40 20 20 20 10  
RAIN SHWRS S C C C S S S S S S  
TSTMS S S C S S S S S  
 

 
ILZ023-150900-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 86 66  
TEMP 80 77 72 71 70 72 78 82 87 86 79 77 75 74 81 84 84 80 74 71 68 67  
DEWPT 73 73 72 71 70 72 77 78 79 80 77 74 73 73 78 77 77 76 73 70 68 67  
RH 79 87100100100100 97 88 77 82 94 90 94 97 91 80 80 88 97 97100100  
WIND DIR E E NE E SE S S S S S SW SW W W W W NW NW NW NW N N  
WIND SPD 5 5 5 4 6 6 10 10 8 4 5 4 6 9 9 9 9 6 6 5 5 5  
CLOUDS B1 B1 B1 B2 B2 B2 OV OV OV B1 B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC  
POP 12HR 100 100 30 30 10  
QPF 12HR 0.43 1.21 0.04 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L D C S S C C C C C  
TSTMS C C C S S S C C C C C  
HEAT INDEX 84 91101100 84 88 93 93 84  
MAX HEAT 84 91 103 96 93 94  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 61 82 66 82 63 77 60 77  
TEMP 79 75 65 63 79 78 69 68 79 77 67 64 73 72 63 61 73 72  
DEWPT 68 67 64 63 68 70 66 66 72 70 65 64 66 65 62 61 66 66  
PWIND DIR N NE SW S W N NE NE NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC FW SC SC B1 B1 B1 B1 SC SC B1 SC SC SC SC  
POP 12HR 0 0 5 40 50 20 20 10 10  
RAIN SHWRS S C C C S S S S  
TSTMS S C S C S S  
 

 
ILZ033-150900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 66  
TEMP 81 79 72 71 70 72 79 84 87 84 78 77 74 74 81 84 84 78 73 71 68 67  
DEWPT 73 73 72 71 70 71 77 78 79 79 76 74 72 72 77 77 76 75 72 70 68 67  
RH 77 82100100100 97 94 82 77 85 94 90 93 93 88 80 77 91 97 97100100  
WIND DIR E E E E SE S SE S S S SW SW W W W W NW NW NW NW N N  
WIND SPD 5 4 5 4 8 6 8 9 8 4 5 5 5 8 8 9 9 6 5 5 5 5  
CLOUDS B2 B1 B1 B1 B2 B2 OV OV B2 SC B1 B1 B1 B1 B2 B1 B1 B1 SC SC SC SC  
POP 12HR 100 100 30 30 20  
QPF 12HR 0.20 0.62 0 0.06 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L D C S S C C C C C C S S  
TSTMS C C C S S S C C C C C C  
HEAT INDEX 86 81 94101 96 89 93 93  
MAX HEAT 86 95 102 90 94 94  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 60 82 65 83 62 77 59 76  
TEMP 78 74 63 61 79 77 67 67 80 76 66 63 73 71 62 61 73 71  
DEWPT 69 68 63 61 67 70 65 65 72 70 65 63 66 66 61 60 66 66  
PWIND DIR N NE SW S W N N NE NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC FW SC SC B1 B1 B1 B1 B1 SC SC SC SC SC B1  
POP 12HR 0 0 5 40 50 20 20 10 10  
RAIN SHWRS S C C C S S S S  
TSTMS S C C S S  
 

 
ILZ039-150900-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 73 87 67  
TEMP 83 80 73 72 71 73 80 86 89 85 78 77 75 75 82 85 84 79 73 71 69 67  
DEWPT 74 75 73 72 71 73 77 79 79 79 75 74 72 72 77 78 77 76 72 71 69 67  
RH 74 85100100100100 91 80 73 82 91 90 90 90 85 80 80 91 97100100100  
WIND DIR E E E E SE SE S S S SW SW SW SW NW W W NW NW NW NW N N  
WIND SPD 4 5 4 5 8 6 5 9 9 5 5 5 5 6 8 9 9 6 6 5 6 6  
CLOUDS B2 B1 SC B1 B2 B1 B2 OV B2 B1 SC SC SC B1 B1 B1 B1 B1 SC SC SC SC  
POP 12HR 100 100 50 30 20  
QPF 12HR 0.12 0.46 0.01 0.06 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C D D C S C C C C C C C S S  
TSTMS C C C S S C C C C C C C  
HEAT INDEX 89 85 87 99104 98 90 96 95 84  
MAX HEAT 90 100 104 91 97 97  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 62 83 66 84 64 77 61 77  
TEMP 79 76 65 64 80 78 68 68 81 78 67 65 74 72 63 62 74 73  
DEWPT 70 68 64 63 69 70 66 67 73 71 66 64 68 66 62 61 67 67  
PWIND DIR N E SW S W N NE NE NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS SC SC SC SC FW SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC  
POP 12HR 0 0 0 40 40 30 20 10 20  
RAIN SHWRS S C C C S C S S S  
TSTMS C S S S  
 

 
INZ001-150900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 72 84 66  
TEMP 80 76 71 71 70 71 75 78 83 82 77 76 74 74 79 82 82 77 73 71 69 67  
DEWPT 71 72 70 70 70 71 75 76 77 77 75 75 74 73 77 76 76 73 71 70 68 67  
RH 74 87 97 97100100100 94 82 85 94 97100 97 94 82 82 87 93 97 97100  
WIND DIR E NE NE E SE SE S S S S S W SW W W NW NW NW NW N N N  
WIND SPD 6 6 5 4 8 8 10 12 9 6 5 5 6 10 10 9 8 5 5 5 5 5  
CLOUDS B1 B1 B2 B2 B2 B2 OV OV OV B2 B2 B2 B2 B1 B2 B1 B1 B1 B1 SC SC SC  
POP 12HR 100 100 30 30 10  
QPF 12HR 0.28 0.77 0.17 0.08 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L D D C C C C C C  
TSTMS C C C S S C C C C C  
HEAT INDEX 83 93 90 81 89 90  
MAX HEAT 83 95 86 90 91  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 60 80 64 80 62 74 59 74  
TEMP 76 72 65 63 78 76 69 66 77 74 67 64 71 69 63 62 71 70  
DEWPT 68 65 63 63 68 69 66 66 72 68 65 64 66 64 62 61 66 65  
PWIND DIR N S SW S W N N NE NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS SC SC SC SC FW SC SC B2 B1 B1 B1 SC SC B1 SC SC SC SC  
POP 12HR 0 0 5 40 40 20 20 20 20  
RAIN SHWRS S C C C S S S S S  
TSTMS S S S C S S S  
 

 
INZ010-150900-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 72 85 65  
TEMP 80 78 71 71 70 72 79 82 85 84 77 77 75 75 81 84 83 78 72 71 68 67  
DEWPT 72 73 71 71 70 72 77 77 79 79 76 74 72 72 77 77 76 75 72 70 68 67  
RH 77 85100100100100 94 85 82 85 97 90 90 90 88 80 80 91100 97100100  
WIND DIR E E E E SE SE SE S S S SW SW SW W W W NW NW NW NW N N  
WIND SPD 5 4 5 4 6 6 6 9 6 4 5 6 5 8 9 10 9 6 5 5 5 5  
CLOUDS B1 B1 B1 B1 B2 B2 OV OV OV B2 B1 B1 SC B1 B2 B2 B1 B1 SC SC SC SC  
POP 12HR 100 100 30 30 20  
QPF 12HR 0.24 0.97 0 0.07 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L D C S C C C C C C S S  
TSTMS C C C S S C C C C C C  
HEAT INDEX 84 91 98 95 89 93 92  
MAX HEAT 84 91 99 89 93 93  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 59 81 64 82 62 76 59 75  
TEMP 78 73 63 62 78 77 67 67 79 76 66 63 73 71 61 61 72 71  
DEWPT 68 67 62 62 67 69 65 65 72 70 65 63 66 65 61 60 65 65  
PWIND DIR N NE SW S W N N NE NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC FW SC SC SC B1 B1 B1 B1 SC SC SC SC SC B1  
POP 12HR 0 0 0 40 50 20 20 10 10  
RAIN SHWRS S C C C S S S S  
TSTMS S C C S S  
 

 
INZ011-150900-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
315 PM CDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 85 71 84 65  
TEMP 79 77 70 70 69 71 77 80 83 82 76 76 74 74 80 82 82 77 72 70 67 67  
DEWPT 72 73 70 70 69 71 76 78 79 79 75 74 72 73 78 78 77 75 72 70 67 66  
RH 79 87100100100100 97 94 88 91 97 94 93 97 94 88 85 94100100100 97  
WIND DIR E E E E SE SE SE S S S S SW SW W W W NW NW NW N N N  
WIND SPD 5 4 4 6 6 6 8 10 8 5 6 5 5 8 10 10 9 6 5 4 5 5  
CLOUDS B1 B1 B1 B1 B2 B2 OV OV B2 SC B1 B2 B2 B1 B2 B2 B1 B1 SC SC SC SC  
POP 12HR 100 100 30 30 20  
QPF 12HR 0.23 1.15 0.03 0.08 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L D L C S S C C C C C S S  
TSTMS C C C S S S S C C C C C  
HEAT INDEX 87 95 93 86 92 90  
MAX HEAT 83 88 96 88 92 93  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 79 64 80 61 74 58 74  
TEMP 78 74 62 62 77 76 66 67 78 74 66 63 72 70 62 60 71 70  
DEWPT 69 67 62 62 68 69 65 65 73 70 65 63 66 65 61 60 66 66  
PWIND DIR N NE SW S W N N NE NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B2 B1 SC SC B1 SC SC B1 B1  
POP 12HR 0 0 0 40 50 20 20 10 20  
RAIN SHWRS S C C C S S S S S  
TSTMS S S C S S  
 

 
INZ019-150900-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
415 PM EDT FRI AUG 14 2026  
 
DATE 08/14/26 SAT 08/15/26 SUN 08/16/26 MON  
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 86 72 85 67  
TEMP 80 79 72 71 70 72 79 82 85 83 78 77 75 75 81 84 83 78 73 71 69 68  
DEWPT 73 73 72 71 70 72 77 78 79 78 76 74 73 73 78 77 77 75 72 71 68 68  
RH 79 82100100100100 94 88 82 85 94 90 94 94 91 80 82 91 97100 97100  
WIND DIR E E E E SE SE SE S S S SW SW SW W W W NW NW NW NW N N  
WIND SPD 5 4 4 6 6 6 9 9 6 5 5 6 5 8 9 10 9 6 6 5 5 5  
CLOUDS B1 SC SC B1 B2 B1 B2 OV B2 B1 B1 B1 SC SC B2 B2 B1 B1 SC SC B1 FW  
POP 12HR 100 100 40 30 20  
QPF 12HR 0.17 0.63 0 0.06 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S L D C S S C C C C C C S S  
TSTMS S C C S S S C C C C C C  
HEAT INDEX 84 81 91 98 93 90 94 92  
MAX HEAT 85 92 100 89 94 94  
FLOOD A A A A  
 
DATE 08/17 TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26  
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 79 61 80 65 81 63 75 60 74  
TEMP 77 73 64 63 77 76 67 67 79 75 67 64 72 70 62 62 71 70  
DEWPT 69 67 63 63 67 69 65 66 72 70 65 64 66 65 62 61 65 65  
PWIND DIR N NE SW S W N N NE NE  
WIND CHAR LT LT LT LT GN LT LT LT LT  
AVG CLOUDS SC SC SC SC FW SC SC SC B1 B2 B1 B1 SC B1 SC SC SC B1  
POP 12HR 0 0 0 40 50 20 20 10 10  
RAIN SHWRS S C C C S S S S  
TSTMS S S C S S  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page