052  
FOUS53 KLOT 131811  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
111 PM CDT THU AUG 13 2026  
 
ILZ104-140900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 69 84 73  
TEMP 74 72 71 70 69 70 75 78 78 76 72 72 70 71 75 80 83 82 78 76 74 74  
DEWPT 70 68 69 69 68 69 71 72 71 70 70 71 69 70 73 76 76 76 76 76 73 73  
RH 87 87 93 97 97 97 87 82 79 82 93 97 97 97 94 88 80 82 94100 97 97  
WIND DIR NE NE E SE E E E E E E E E SE SE SE S S SW SW SW W W  
WIND SPD 8 8 8 6 8 6 9 9 9 9 9 8 8 10 10 10 10 8 8 6 6 6  
CLOUDS OV B2 B2 OV OV B2 B2 OV B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2  
POP 12HR 70 60 70 70 60  
QPF 12HR 0.47 0.09 0.35 0.29 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L L L L C S C C C L L L L C C C C L L S  
TSTMS C C C C S S S C C C C C C C C C C C C S  
HEAT INDEX 85 92 89  
MAX HEAT 85 92 86  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 84 68 78 63 80 65 81 66 80  
TEMP 83 78 72 69 76 74 67 65 78 77 70 67 78 76 70 68 78 76  
DEWPT 76 72 70 67 67 63 63 62 66 66 66 65 70 68 66 65 69 67  
PWIND DIR NW N NE S SW SW SW NE W  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B2 B1 B1 SC SC SC FW FW FW SC SC SC B1 B1 B1 B1 B1 SC  
POP 12HR 40 20 5 0 10 30 30 30 20  
RAIN SHWRS S C S S C C S C S S  
TSTMS S C S S S S S C S S  
 
 
ILZ003-140900-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 67 84 71  
TEMP 75 72 68 66 66 66 72 77 79 76 69 67 67 69 74 79 84 81 74 72 72 71  
DEWPT 69 67 68 66 66 66 69 71 71 69 68 67 67 69 73 76 77 76 74 72 72 71  
RH 82 84100100100100 90 82 77 79 97100100100 97 91 80 85100100100100  
WIND DIR NE NE E E E E E E E E E E E SE S S SW SW SW SW W W  
WIND SPD 9 8 8 6 6 6 9 10 10 9 9 6 6 8 10 10 9 8 6 4 4 5  
CLOUDS OV B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2  
POP 12HR 70 60 70 70 60  
QPF 12HR 0.79 0.13 0.44 0.38 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L L L L C C C C C L L L L S S C C L L S  
TSTMS C C C C S C C C C C S S S S S C C S  
HEAT INDEX 82 84 93 88  
MAX HEAT 82 84 93  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 64 79 59 79 63 79 63 79  
TEMP 81 78 68 64 76 75 63 60 77 76 66 64 77 76 66 63 77 76  
DEWPT 74 71 67 64 65 64 62 60 65 66 65 64 69 68 65 63 67 67  
PWIND DIR NW N N E SW S SW NE SW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 SC SC SC FW FW SC SC SC SC B1 B1 SC SC B1 B1  
POP 12HR 30 5 5 5 10 30 30 30 20  
RAIN SHWRS S C C C C S S C S  
TSTMS S C S S S S S S  
 
 
ILZ104-140900-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 79 71 85 74  
TEMP 74 73 71 71 70 71 75 78 78 76 74 73 71 71 76 81 84 82 78 77 75 75  
DEWPT 70 69 69 69 68 69 70 71 71 70 69 71 70 70 72 75 75 76 75 76 73 74  
RH 87 87 93 93 93 93 84 79 79 82 84 93 97 97 87 82 74 82 91 97 94 97  
WIND DIR N NE E E E E E E E NE E E SE SE SE S S SW SW SW SW W  
WIND SPD 8 8 8 6 8 8 9 10 11 10 10 9 9 10 10 10 11 11 11 10 10 9  
CLOUDS OV OV B2 OV OV B2 B2 OV OV B2 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2  
POP 12HR 70 60 60 70 60  
QPF 12HR 0.70 0.08 0.29 0.21 0.06  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L L L L C S C C C L L L L C C C C L L S  
TSTMS C C C C C S S S C C C C C C C C C C C C S  
HEAT INDEX 87 92 89  
MAX HEAT 87 92 86  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 84 70 78 65 80 67 81 68 80  
TEMP 84 79 73 71 76 74 68 66 78 77 70 68 79 77 71 69 78 76  
DEWPT 75 72 70 67 66 61 62 62 64 65 66 65 68 67 67 65 67 66  
PWIND DIR NW N NE S SW S SW N SW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B2 B1 B1 B1 SC SC FW FW FW SC SC SC B1 B1 B1 B1 B1 B1  
POP 12HR 50 30 5 0 5 30 30 30 20  
RAIN SHWRS S C C S C C S C C S  
TSTMS S C C S S S S C S S  
 
 
ILZ021-140900-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 70 87 73  
TEMP 78 76 72 70 69 69 75 80 82 79 74 71 71 71 78 83 87 84 78 76 75 74  
DEWPT 73 71 71 69 69 69 73 75 75 73 72 70 70 71 76 79 80 78 77 74 73 73  
RH 85 85 97 97100100 94 85 79 82 93 97 97100 94 88 80 82 97 94 94 97  
WIND DIR E NE NE E E E E E E E E E SE SE S S SW SW SW SW W W  
WIND SPD 8 6 8 6 6 5 8 8 8 8 9 6 8 8 9 9 9 8 6 5 5 5  
CLOUDS OV B2 OV OV OV B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 SC SC B1 B1 B2  
POP 12HR 80 60 60 60 40  
QPF 12HR 1.45 0.13 0.28 0.16 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L D D D L C S C C C L L L L S S S S C C  
TSTMS C C L C C S S C C C C C S S S S C C  
HEAT INDEX 84 88 83 94103 95  
MAX HEAT 85 84 88 94 103 91  
FLOOD A A A A A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 86 68 81 62 81 65 82 65 82  
TEMP 85 80 71 68 79 76 65 63 79 78 68 67 80 78 68 67 79 78  
DEWPT 79 74 70 67 70 67 63 63 68 68 66 65 73 70 67 65 72 70  
PWIND DIR NW N N E S S S SE SW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 B1 SC SC FW FW FW SC SC SC B1 B1 SC B1 B1 SC  
POP 12HR 40 30 5 5 5 30 20 30 20  
RAIN SHWRS C C S C S C C S  
TSTMS C S S S C S S  
 
 
ILZ006-140900-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 76 67 80 70  
TEMP 73 70 68 68 68 69 75 74 76 71 68 69 68 68 74 76 80 77 72 72 71 71  
DEWPT 69 67 68 67 67 69 70 69 69 67 67 69 68 68 71 72 74 73 72 72 71 71  
RH 87 90100 97 97100 84 84 79 87 97100100100 90 87 82 87100100100100  
WIND DIR E E SE SE NE E E E E NE NE E SE SE SE S S S SW SW W W  
WIND SPD 8 6 8 8 9 9 10 11 10 10 10 9 10 12 12 11 11 9 8 6 8 9  
CLOUDS OV B2 B1 OV OV B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2  
POP 12HR 50 30 60 80 60  
QPF 12HR 0.19 0.01 0.31 0.48 0.13  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D C C C C C C C S S L L D D C C C C L L C  
TSTMS S S S S S S C C C C C C C C C C  
HEAT INDEX 84  
MAX HEAT 84  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 74 60 77 63 78 63 77  
TEMP 81 76 69 66 73 71 63 62 76 74 67 65 76 74 66 65 75 73  
DEWPT 74 71 68 65 64 62 61 62 64 65 65 65 67 66 65 64 66 65  
PWIND DIR NW N NE SW SW SW SW NW W  
WIND CHAR GN LT GN LT LT LT GN LT GN  
AVG CLOUDS B2 B2 B1 SC SC SC FW FW SC SC SC B1 B1 B1 SC B1 B2 B1  
POP 12HR 40 20 5 0 10 20 30 30 10  
RAIN SHWRS C C S S S C S C S  
TSTMS C C S S S C S  
 
 
ILZ021-140900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 69 84 71 89 73  
TEMP 81 77 72 70 70 70 76 81 83 81 75 72 71 72 80 85 88 85 79 76 74 74  
DEWPT 76 75 72 70 70 70 75 78 79 77 74 72 71 72 78 81 82 81 77 74 73 73  
RH 85 94100100100100 97 91 88 88 97100100100 94 88 83 88 94 94 97 97  
WIND DIR E E E N E SE E E E E E E SE SE S S SW SW S SW SW W  
WIND SPD 8 6 8 6 6 4 4 5 5 6 6 5 5 5 6 6 8 5 5 4 5 3  
CLOUDS OV OV OV OV B2 B2 B2 B2 B2 B2 SC B1 SC B1 B1 SC SC SC SC SC SC B1  
POP 12HR 90 50 50 50 20  
QPF 12HR 1.50 0.09 0.35 0.12 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L L L D D C C S S C C C C C C S S  
TSTMS C C L C C S C S S C S C C C S S  
HEAT INDEX 87 89 94 88 85100109101  
MAX HEAT 89 89 95 101 109 96  
FLOOD A A A A A  
SVR TSTORM A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 87 68 81 62 81 65 83 66 83  
TEMP 86 81 71 69 79 76 65 64 79 78 67 67 80 78 69 67 80 78  
DEWPT 81 77 71 68 73 70 64 63 70 71 66 66 74 73 67 66 74 73  
PWIND DIR NW N N E S S S SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 SC SC SC FW SC SC SC SC SC SC SC B1 B1 SC  
POP 12HR 40 30 10 5 5 20 20 30 20  
RAIN SHWRS C C S S S C C S S  
TSTMS C S S S C S S S  
 
 
INZ002-140900-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 67 84 71  
TEMP 77 71 69 68 68 68 73 78 79 75 70 69 68 68 74 81 83 79 74 73 73 72  
DEWPT 72 69 69 68 67 68 71 72 73 71 70 69 68 68 72 76 77 75 74 73 72 72  
RH 85 93100100 97100 93 82 82 87100100100100 93 85 82 88100100 97100  
WIND DIR NE NE E E E E E E E E E E SE SE SE S S S SW SW SW W  
WIND SPD 5 5 5 5 5 5 6 8 6 5 5 6 8 9 10 10 10 9 8 6 6 6  
CLOUDS OV OV B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B2  
POP 12HR 70 60 50 60 50  
QPF 12HR 0.84 0.16 0.14 0.12 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C L L L L C S S C C C C L L C C C C C C S  
TSTMS S C C C C S S C C S C C C C C C C C C S  
HEAT INDEX 87 92 84  
MAX HEAT 83 82 87 92  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 76 58 77 62 79 63 78  
TEMP 83 77 70 67 75 70 63 62 76 73 66 64 77 74 67 65 77 73  
DEWPT 77 71 70 67 67 64 62 61 66 67 65 64 70 68 66 65 69 68  
PWIND DIR NW N N N SW S S SW SW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 SC SC SC FW FW FW FW FW SC SC B1 B1 B1 B1 SC  
POP 12HR 50 30 5 5 5 20 20 30 20  
RAIN SHWRS S C C S S S C C S  
TSTMS S C C S S S C S S  
 
 
ILZ005-140900-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 78 66 83 70  
TEMP 75 72 69 68 67 67 73 77 78 74 68 67 67 68 73 78 82 80 74 73 72 71  
DEWPT 70 69 68 67 66 67 71 72 72 70 67 67 67 68 73 77 78 77 74 73 72 71  
RH 84 90 97 97 97100 93 85 82 87 97100100100100 97 88 91100100100100  
WIND DIR NE E E E NE E E E E E E E E SE SE S SW SW SW SW W W  
WIND SPD 8 6 8 6 6 5 8 10 9 9 8 6 6 8 9 10 9 8 5 4 5 5  
CLOUDS OV B2 B2 OV OV B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2  
POP 12HR 60 50 70 70 60  
QPF 12HR 0.38 0.06 0.46 0.40 0.13  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L C C C C C S C C C L L L L C C C C L L C  
TSTMS S S C C S C C C C C S C C C C C C C  
HEAT INDEX 92 85  
MAX HEAT 92  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 64 77 58 78 62 79 62 78  
TEMP 80 78 68 65 75 74 63 61 76 75 66 64 76 75 66 64 76 75  
DEWPT 76 73 67 65 68 67 62 61 68 69 65 64 71 70 65 64 70 69  
PWIND DIR NW N N N SW SW SW E W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 SC SC SC FW FW SC SC SC B1 B1 B1 B1 B1 B1 B1  
POP 12HR 50 5 5 0 10 30 30 30 20  
RAIN SHWRS C C S C C S C S S  
TSTMS C C S S S C S  
 
 
ILZ008-140900-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 66 85 70  
TEMP 75 73 68 66 66 67 72 77 79 76 70 67 68 69 75 80 84 82 75 72 72 71  
DEWPT 71 71 68 66 66 67 72 75 75 73 70 67 68 69 75 79 80 79 75 72 72 71  
RH 87 93100100100100100 94 88 90100100100100100 97 88 91100100100100  
WIND DIR E NE E E NE E E E E E E E SE SE S S SW SW SW W W W  
WIND SPD 9 6 8 6 8 5 8 9 8 8 8 6 5 6 8 9 9 6 4 3 3 3  
CLOUDS OV B2 OV B2 OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2  
POP 12HR 80 60 70 60 60  
QPF 12HR 1.04 0.21 0.58 0.24 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L L L L C C C C C L L L L S S C C L L S  
TSTMS C C C C S S S S C C C C C S S S C C C C S  
HEAT INDEX 83 86 98 91  
MAX HEAT 83 86 98 84  
FLOOD A A A A A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 63 78 58 79 62 79 62 79  
TEMP 81 78 68 65 76 75 64 61 77 76 66 64 77 76 66 64 77 76  
DEWPT 78 74 68 65 69 68 63 61 68 70 65 64 72 71 65 64 71 71  
PWIND DIR NW N NE NE SW S SW N SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 SC SC SC FW FW SC SC SC SC B1 B1 SC SC B1 SC  
POP 12HR 30 10 5 5 10 30 30 30 20  
RAIN SHWRS S C C C C S S C S  
TSTMS S C S S S S S S  
 
 
ILZ011-140900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 67 84 71  
TEMP 75 73 69 68 67 67 73 78 79 76 70 68 68 69 74 80 84 81 75 73 73 72  
DEWPT 71 69 69 67 67 67 72 73 74 71 70 68 68 69 74 77 79 77 75 73 73 72  
RH 87 87100 97100100 97 85 85 85100100100100100 91 85 88100100100100  
WIND DIR E E E E E E E E E E E E SE SE SE S SW SW SW SW W W  
WIND SPD 8 6 8 6 6 5 8 9 9 9 8 6 6 9 10 10 10 8 6 5 5 5  
CLOUDS OV OV B2 OV OV B2 OV B2 B2 B2 B2 B1 B2 B2 OV B2 B1 B1 B1 B1 B2 B2  
POP 12HR 80 60 70 60 60  
QPF 12HR 0.84 0.15 0.45 0.29 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L L L L C S C C C L L L L S S S S L L S  
TSTMS C C C C S S S S C C C C C S S S S S C C S  
HEAT INDEX 83 85 96 88  
MAX HEAT 83 85 96 83  
FLOOD A A A A A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 64 79 59 79 62 80 62 79  
TEMP 81 78 69 66 76 75 63 61 77 76 67 64 77 76 66 64 77 75  
DEWPT 77 72 68 65 68 67 62 61 68 68 65 64 71 70 65 64 70 69  
PWIND DIR NW N N NE SW S S E SW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B2 B1 B1 SC SC SC FW FW SC SC SC B1 B1 B1 SC B1 B1 B1  
POP 12HR 50 10 5 0 10 30 30 30 20  
RAIN SHWRS S C C C C S C C S  
TSTMS S C S S S C S S  
 
 
ILZ010-140900-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 67 86 70  
TEMP 75 74 69 67 67 67 73 78 80 78 71 69 69 69 76 82 86 83 76 73 73 72  
DEWPT 72 71 69 67 67 67 72 74 75 73 71 69 69 69 76 78 80 79 76 73 73 72  
RH 90 90100100100100 97 88 85 85100100100100100 88 82 88100100100100  
WIND DIR E E NE E NE E E E E E E E SE SE S S SW SW SW W W W  
WIND SPD 9 8 9 8 8 5 8 9 8 8 9 8 6 6 8 9 9 6 4 3 3 3  
CLOUDS OV OV B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 SC SC B1 B2  
POP 12HR 80 60 70 50 60  
QPF 12HR 1.39 0.18 0.51 0.20 0.07  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L D L L C C C C C L L C C S S C C L L S  
TSTMS C C L C S S S S C C C C C S S S S C C C C S  
HEAT INDEX 84 91101 94  
MAX HEAT 85 92 102 89  
FLOOD A A A A A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 64 79 60 79 63 80 63 80  
TEMP 82 79 69 66 77 76 64 62 77 77 67 65 78 77 67 64 77 77  
DEWPT 77 74 68 66 68 67 64 62 68 69 66 65 72 71 66 64 71 71  
PWIND DIR NW N NE NE S S S NE SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 FW FW SC FW FW SC SC SC SC B1 B1 SC SC SC SC  
POP 12HR 30 10 5 5 10 30 30 30 10  
RAIN SHWRS S C C C C S S C  
TSTMS S C S S S S S S  
 
 
ILZ012-140900-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 68 85 72  
TEMP 75 73 71 69 68 68 74 79 79 77 72 70 69 69 75 80 84 81 77 75 73 72  
DEWPT 71 69 69 68 68 68 72 73 73 71 70 69 69 69 75 78 79 77 76 74 73 72  
RH 87 87 93 97100100 93 82 82 82 93 97100100100 94 85 88 97 97100100  
WIND DIR E E E E E E E E E E E E SE SE SE S SW SW SW SW W W  
WIND SPD 8 6 8 6 6 6 8 9 9 9 8 6 6 8 10 10 10 8 6 5 6 6  
CLOUDS OV OV B2 OV OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2  
POP 12HR 70 70 70 70 60  
QPF 12HR 0.74 0.15 0.30 0.26 0.07  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L L L L C S C C C L L L L S S C C L L S  
TSTMS C C C C S S S C C C C C C S S S C C C C S  
HEAT INDEX 83 87 95 89  
MAX HEAT 83 88 95 85  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 84 66 79 60 79 63 80 64 80  
TEMP 83 79 70 67 78 75 65 62 77 77 68 65 78 76 68 65 78 76  
DEWPT 77 73 69 66 68 66 63 62 68 68 66 65 72 69 66 65 70 69  
PWIND DIR NW N N E SW S SW E SW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B2 B1 B2 SC SC SC FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC  
POP 12HR 50 20 5 0 10 30 30 30 20  
RAIN SHWRS S C S C C C S C C S  
TSTMS S C S S S S S C S S  
 
 
ILZ020-140900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 69 85 72  
TEMP 77 74 71 69 69 68 74 79 80 77 72 70 70 70 76 82 85 82 77 75 74 73  
DEWPT 72 70 70 68 68 68 72 74 74 72 71 70 70 70 75 78 79 78 76 74 73 73  
RH 85 87 97 97 97100 93 85 82 85 97100100100 97 88 82 88 97 97 97100  
WIND DIR E E NE E E E E E E E E E SE SE SE S SW SW SW SW W W  
WIND SPD 8 6 8 6 5 6 8 8 8 9 9 8 8 9 9 9 10 8 8 5 6 6  
CLOUDS OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B2 B1 B2 B2 B1 SC B1 B1 B2 B2  
POP 12HR 80 70 60 60 40  
QPF 12HR 1.22 0.16 0.30 0.20 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L D D L L C S C L L L L L L S S C C C C  
TSTMS C C C C C S S S C C C C S C C C C C  
HEAT INDEX 85 90 99 91  
MAX HEAT 85 91 99 88  
FLOOD A A A A A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 84 66 79 60 79 64 80 64 80  
TEMP 84 79 70 68 78 75 64 62 77 76 67 65 78 76 68 66 78 76  
DEWPT 78 73 69 67 69 66 62 62 68 68 65 65 72 70 66 65 71 69  
PWIND DIR NW N N SE SW S S S SW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B2 B1 B1 SC FW SC FW FW FW SC SC SC B1 B1 SC B1 SC SC  
POP 12HR 40 20 5 0 5 30 30 30 20  
RAIN SHWRS C S S C C C C S  
TSTMS C S S S S C S  
 
 
ILZ013-140900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 69 84 72  
TEMP 74 73 70 70 69 69 74 78 79 76 72 71 70 70 75 80 83 81 77 75 73 73  
DEWPT 71 69 69 68 68 69 72 73 73 71 70 70 70 70 74 77 78 77 76 75 73 73  
RH 90 87 97 93 97100 93 85 82 85 93 97100100 97 91 85 88 97100100100  
WIND DIR E E E E E E E E E E E E SE SE SE S SW SW SW SW W W  
WIND SPD 8 6 8 6 6 6 8 9 9 9 8 6 6 9 10 10 10 8 8 6 6 6  
CLOUDS OV OV B2 OV OV B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2  
POP 12HR 70 60 70 70 60  
QPF 12HR 0.72 0.10 0.31 0.27 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L L L L L C S C C C L L L L S S C C L L S  
TSTMS C C C C S S S S C C C C C C S S C C C C S  
HEAT INDEX 84 94 88  
MAX HEAT 85 94 85  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 79 62 79 65 80 65 80  
TEMP 83 79 71 69 77 74 66 64 77 76 68 66 77 76 69 67 77 76  
DEWPT 77 73 69 67 68 65 63 62 67 68 66 65 71 69 66 65 70 68  
PWIND DIR NW N N S SW S SW E SW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS B2 B1 B1 SC SC SC FW FW SC SC SC B1 B1 B1 B1 B1 B1 SC  
POP 12HR 40 20 5 0 10 30 30 30 20  
RAIN SHWRS S C S S C C S C C S  
TSTMS S C S S S S S C S S  
 
 
ILZ019-140900-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 71 88 74  
TEMP 79 76 73 71 70 70 75 79 82 80 75 72 71 72 78 83 87 85 79 76 75 74  
DEWPT 73 72 70 69 68 69 72 74 75 73 72 70 70 70 75 78 80 78 76 74 72 72  
RH 82 87 90 93 93 97 90 85 79 79 90 93 97 93 91 85 80 80 91 94 90 93  
WIND DIR E E N SE E E E E E E E E SE SE S S SW SW SW SW SW W  
WIND SPD 9 8 9 6 6 5 6 8 8 8 9 8 8 8 8 9 9 6 6 5 5 5  
CLOUDS OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B2 B2 B1 B2 B1 B1 SC B1 B1 B2  
POP 12HR 90 60 60 50 30  
QPF 12HR 1.84 0.08 0.31 0.15 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L L L D D L C C C C C L L C C S S C C  
TSTMS C C L C C S S S C C S C S S S S S C C  
HEAT INDEX 83 88 83 94103 96 83  
MAX HEAT 85 83 88 94 103 92  
FLOOD A A A A A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 86 68 81 63 81 66 82 66 82  
TEMP 85 81 71 68 78 77 66 64 79 78 68 67 80 78 69 67 79 78  
DEWPT 77 74 69 67 69 67 64 62 67 68 66 65 71 70 67 65 70 70  
PWIND DIR NW N N NE S S S E SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B2 B2 SC FW SC SC FW SC SC SC SC SC B1 B1 B1 B1 SC  
POP 12HR 40 30 5 0 5 30 20 30 20  
RAIN SHWRS C C S C S S C C S  
TSTMS C S S S S C S S  
 
 
ILZ106-140900-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 70 87 73  
TEMP 76 74 72 70 70 69 75 79 81 78 74 72 71 71 77 83 86 84 78 76 75 74  
DEWPT 72 70 70 69 69 69 73 74 75 72 72 71 71 71 75 78 79 78 77 75 74 74  
RH 87 87 93 97 97100 94 85 82 82 93 97100100 94 85 80 82 97 97 97100  
WIND DIR E NE E E E E E E E E E E SE SE SE S SW SW SW SW SW W  
WIND SPD 8 6 8 6 6 5 8 8 8 9 8 6 8 9 9 9 10 8 8 6 6 6  
CLOUDS OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 SC B1 B1 B1 B2  
POP 12HR 80 70 60 60 50  
QPF 12HR 1.21 0.17 0.28 0.17 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L D D D L C S C C C L L L L S S C C C C  
TSTMS C C C C C S S S C C C C C S S S C C C C  
HEAT INDEX 83 86 93100 94  
MAX HEAT 84 84 87 94 102 90  
FLOOD A A A A A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 86 68 80 62 80 65 81 65 81  
TEMP 85 80 72 69 79 75 66 63 78 77 68 66 79 77 69 67 79 77  
DEWPT 78 73 70 68 69 66 63 63 68 68 66 66 72 70 67 66 71 69  
PWIND DIR W N N E SW S SW SE SW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B1 B1 B1 FW SC SC FW FW SC SC SC B1 B1 B1 B1 SC SC  
POP 12HR 40 30 5 5 5 30 30 30 20  
RAIN SHWRS C C S C C S C C S  
TSTMS C S S S S C S S  
 
 
ILZ023-140900-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 83 68 88 71  
TEMP 78 75 71 69 68 68 74 79 82 79 73 71 69 70 77 83 87 84 77 76 73 73  
DEWPT 74 72 71 69 68 68 73 75 76 74 73 71 69 70 76 79 80 79 76 74 72 72  
RH 88 90100100100100 97 88 82 85100100100100 97 88 80 85 97 94 97 97  
WIND DIR NE NE E NW SE E NE E E E E E SE SE SE S SW SW SW SW SW W  
WIND SPD 6 5 6 5 5 3 4 4 5 4 4 4 5 5 5 5 6 4 4 4 4 3  
CLOUDS OV OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 SC SC SC B1 B1  
POP 12HR 90 60 50 50 30  
QPF 12HR 1.39 0.09 0.25 0.13 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D L D D D L C S C C C C C C C S S S S C C  
TSTMS C C C C C S C S C C S C S S S S C C  
HEAT INDEX 84 88 93102 95  
MAX HEAT 87 84 89 93 103 90  
FLOOD A A A A A  
SVR TSTORM A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 87 66 80 60 80 63 82 64 81  
TEMP 86 80 71 68 78 74 64 62 78 76 67 65 79 77 68 65 79 76  
DEWPT 79 75 70 68 70 67 63 62 68 69 65 65 72 71 67 65 71 70  
PWIND DIR NW N NE NE SW S S E SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 SC SC SC FW FW SC FW SC SC B1 SC B1 B1 SC  
POP 12HR 50 40 10 5 5 20 20 30 20  
RAIN SHWRS C C S S S C C S S  
TSTMS C S S S C S S S  
 
 
ILZ033-140900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 83 68 87 72  
TEMP 80 76 71 69 68 69 75 80 82 79 73 71 69 70 78 83 87 83 77 76 73 73  
DEWPT 75 73 71 69 68 69 74 75 76 75 73 71 69 70 76 78 79 79 76 74 71 72  
RH 85 90100100100100 97 85 82 88100100100100 94 85 77 88 97 94 93 97  
WIND DIR E E E SE SW E E E E E E E SE SE S S S S SW SW SW SW  
WIND SPD 5 5 6 5 5 2 2 2 3 2 3 3 4 4 4 4 5 3 3 3 4 3  
CLOUDS OV B2 B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 SC SC SC SC B1 SC  
POP 12HR 80 60 50 50 20  
QPF 12HR 1.10 0.14 0.21 0.07 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C L D D L C S S C C C C C C S S S S  
TSTMS C C C C C S C S S C S S C S S S S S  
HEAT INDEX 85 85 90 83 94101 94  
MAX HEAT 88 86 90 94 102 90  
FLOOD A A A A A  
SVR TSTORM A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 86 66 79 59 79 63 81 64 81  
TEMP 86 80 71 68 78 74 63 61 77 76 66 65 79 76 68 66 79 76  
DEWPT 78 75 71 68 70 68 63 61 67 69 65 64 72 71 66 65 71 71  
PWIND DIR W N N NE S S S SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC B1 B1 B1 SC SC FW SC FW SC FW SC SC B1 SC B1 B1 SC  
POP 12HR 50 40 10 5 5 20 20 30 20  
RAIN SHWRS C C S S S C S S  
TSTMS C C S S S S  
 
 
ILZ039-140900-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 69 89 72  
TEMP 82 78 71 70 69 70 76 82 84 81 74 72 70 71 79 85 88 84 77 76 74 74  
DEWPT 76 75 71 70 69 70 75 77 78 77 74 72 70 71 77 79 80 78 75 73 71 72  
RH 82 91100100100100 97 85 82 88100100100100 94 82 77 82 94 90 90 93  
WIND DIR E E NE E E E E E E E E E SE SE S S SW S S S SW W  
WIND SPD 6 5 8 6 8 4 4 3 4 5 6 5 6 6 6 5 8 5 5 5 6 5  
CLOUDS OV B2 B2 B2 OV B2 B2 B2 B2 B1 SC B1 B1 SC B1 SC SC SC FW SC SC SC  
POP 12HR 80 60 50 40 20  
QPF 12HR 1.15 0.09 0.19 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C C L D L C S S C C C C C C S S  
TSTMS C C C C C C S S S C S C S S S S  
HEAT INDEX 89 91 95 88 83 99105 96  
MAX HEAT 90 91 95 99 105 90  
FLOOD A A A A A  
SVR TSTORM A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 88 67 81 61 81 64 83 65 82  
TEMP 87 82 71 69 79 76 64 63 78 77 67 66 81 78 69 67 80 78  
DEWPT 79 76 71 69 72 69 64 63 69 69 65 65 72 72 67 66 72 71  
PWIND DIR W N N NE SE S S S SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC B1 B1 B1 SC SC SC FW FW SC SC SC SC SC SC SC B1 SC  
POP 12HR 40 30 10 5 5 10 20 30 20  
RAIN SHWRS C C S S C S S  
TSTMS C C S S S S  
 
 
INZ001-140900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 67 85 71  
TEMP 76 71 69 69 68 68 74 78 79 75 71 71 69 69 75 81 84 81 75 75 73 72  
DEWPT 72 70 69 68 68 68 72 74 74 71 70 70 68 69 74 77 78 76 74 74 72 72  
RH 87 97100 97100100 93 88 85 87 97 97 97100 97 88 82 85 97 97 97100  
WIND DIR S NE E SE E E E E E E E E SE SE SE S S SW SW SW SW W  
WIND SPD 6 5 6 5 5 4 5 6 6 5 5 5 6 8 9 9 9 8 6 5 5 5  
CLOUDS OV OV B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC B1 B1  
POP 12HR 80 70 50 60 50  
QPF 12HR 0.94 0.22 0.17 0.12 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C L D L L C S C C C C C L L S S C C C C  
TSTMS C C C C C S S S C C S C C C S S C C C C  
HEAT INDEX 82 89 95 86  
MAX HEAT 83 83 89 95  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 85 66 77 59 78 62 80 63 79  
TEMP 84 78 71 68 76 71 64 63 77 74 67 65 78 74 68 66 77 74  
DEWPT 77 72 70 68 68 64 62 62 67 67 65 65 71 69 67 65 70 68  
PWIND DIR NW N N N SW S SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 SC SC FW FW FW SC SC SC SC B1 B1 B1 SC SC  
POP 12HR 50 30 5 5 5 20 20 30 20  
RAIN SHWRS C C S S S C C S  
TSTMS C C S S C S S  
 
 
INZ010-140900-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 82 68 86 71  
TEMP 80 75 69 69 67 69 75 80 82 78 72 71 68 70 77 83 86 82 76 76 72 74  
DEWPT 74 72 69 69 67 69 74 75 76 74 72 71 68 70 76 78 79 78 75 74 71 72  
RH 82 90100100100100 97 85 82 88100100100100 97 85 80 88 97 94 97 93  
WIND DIR E E NE E NE E E E E E E E SE SE SE S S S SW SW SW SW  
WIND SPD 5 4 6 5 5 3 3 3 3 3 3 4 4 5 5 5 5 3 4 4 4 4  
CLOUDS OV OV B2 OV OV B2 B2 B2 B2 B2 B1 B1 B2 SC B1 B1 B1 SC SC SC B1 SC  
POP 12HR 80 60 50 50 20  
QPF 12HR 1.12 0.14 0.17 0.08 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C L D D L C S C C C C C C C S S S S S S  
TSTMS C C C C C S S S C S S C S S S S S S  
HEAT INDEX 84 84 88 92 99 92  
MAX HEAT 87 84 89 92 100 85  
FLOOD A A A A A  
SVR TSTORM A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 86 66 79 58 79 62 81 63 80  
TEMP 85 80 71 67 77 73 62 61 77 75 66 65 79 76 67 65 78 76  
DEWPT 78 75 71 67 70 66 62 61 67 68 64 64 71 70 66 65 71 70  
PWIND DIR W N N NE S S S SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC B1 B1 B1 SC SC FW SC FW SC FW SC SC B1 SC B1 B1 SC  
POP 12HR 50 40 10 5 5 20 20 30 20  
RAIN SHWRS C C S S C C S S  
TSTMS C C S C S  
 
 
INZ011-140900-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
111 PM CDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 81 67 85 70  
TEMP 78 73 68 68 67 67 74 79 80 77 71 70 68 69 76 81 84 81 74 74 72 72  
DEWPT 74 72 68 68 67 67 73 75 76 74 71 70 68 69 75 79 80 78 74 74 71 72  
RH 88 97100100100100 97 88 88 90100100100100 97 94 88 91100100 97100  
WIND DIR NE NE NE E SW E E E E E E E SE SE SE S S S SW SW SW W  
WIND SPD 5 5 5 5 5 3 4 4 4 4 4 5 5 6 8 6 8 5 5 5 5 5  
CLOUDS OV OV B2 OV OV B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B1 B1 SC SC SC B1 SC  
POP 12HR 80 70 50 60 30  
QPF 12HR 1.14 0.12 0.21 0.07 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C L D D L C S C C C C C L L S S S S C C  
TSTMS C C C C C S S S C S S C S S S S S S C C  
HEAT INDEX 86 91 98 88  
MAX HEAT 86 87 91 99  
FLOOD A A A A A  
SVR TSTORM A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 85 65 78 57 78 61 80 62 79  
TEMP 85 79 70 67 77 72 62 60 76 75 65 64 78 75 67 65 77 75  
DEWPT 79 74 70 67 70 66 62 60 68 68 64 64 72 70 66 65 71 70  
PWIND DIR W N N NE S S S SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 SC SC FW FW SC SC FW SC SC B1 SC B1 B1 SC  
POP 12HR 50 40 10 5 5 20 20 30 20  
RAIN SHWRS C C S S C C S  
TSTMS C C S C S S  
 
 
INZ019-140900-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
211 PM EDT THU AUG 13 2026  
 
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN  
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 67 82 68 85 72  
TEMP 80 75 71 69 68 69 75 80 82 78 73 71 69 70 77 82 85 82 76 76 73 74  
DEWPT 75 72 70 69 68 69 74 75 77 74 73 71 69 70 76 78 80 78 76 74 71 72  
RH 85 90 97100100100 97 85 85 88100100100100 97 88 85 88100 94 93 93  
WIND DIR SE E E E SE E E E E E E E SE SE SE S S S SW SW SW SW  
WIND SPD 5 5 6 5 5 3 3 3 3 3 4 4 5 5 6 6 6 4 5 5 5 5  
CLOUDS OV OV B2 OV OV B2 B2 B2 B2 B1 SC B1 B1 SC B1 B1 SC SC SC SC B1 SC  
POP 12HR 80 70 50 50 20  
QPF 12HR 1.12 0.17 0.17 0.07 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS L C L D D L C S S C C C C C C S S S S S S  
TSTMS C C C C C S S S C C S C S S S S S S  
HEAT INDEX 85 85 89 92 99 90  
MAX HEAT 87 85 89 92 100 85  
FLOOD A A A A A  
SVR TSTORM A  
 
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26  
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 86 67 78 60 78 63 80 64 80  
TEMP 85 80 71 69 77 73 63 62 76 75 66 65 78 76 68 66 78 76  
DEWPT 79 75 71 69 71 67 63 62 67 68 65 65 72 70 66 66 71 70  
PWIND DIR W N N NE S S S S SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC B1 B1 B2 SC SC FW SC FW SC FW SC SC B1 FW B1 SC SC  
POP 12HR 40 40 10 5 5 10 20 30 20  
RAIN SHWRS C C S S C S S  
TSTMS C C S S S  
 
 
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