850  
FOUS53 KLOT 121815  
PFMLOT  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
115 PM CDT SAT SEP 12 2026  
 
ILZ104-130900-  
CHICAGO O'HARE INTERNATIONAL AIRPORT-COOK IL  
41.99N 87.91W ELEV. 667 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 62 74 55 73 66  
TEMP 86 82 74 69 64 62 70 73 69 65 62 60 57 57 66 69 72 70 68 68 69 70  
DEWPT 69 67 63 57 52 52 54 53 53 52 51 51 50 51 53 52 54 55 56 59 62 65  
RH 57 61 69 66 65 70 57 49 57 63 67 72 77 80 63 55 53 59 65 73 78 84  
WIND DIR W NW N N N N N N N N N N N NE E SE SE SE S S S SW  
WIND SPD 10 6 5 5 6 5 6 9 9 6 4 4 4 4 10 12 12 13 17 17 17 16  
CLOUDS SC SC SC FW SC SC SC B2 OV B1 SC FW FW SC SC B1 B1 B1 B1 B1 B2 B2  
POP 12HR 0 40 5 10 30  
QPF 12HR 0 0.03 0 0 0.27  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS S S S  
HEAT INDEX 89 84  
MAX HEAT 89  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 65 76 64 76 60 76 59 75  
TEMP 81 78 69 66 74 71 69 67 74 71 65 61 73 71 65 60 73 69  
DEWPT 70 69 66 65 68 66 66 66 66 62 60 60 62 60 59 57 60 57  
PWIND DIR SW N NE N NE NE NE SE NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 OV OV OV OV OV B2 B2 B2 B1 SC B1 SC SC SC B1 SC  
POP 12HR 60 80 80 70 40 20 20 30 20  
RAIN SHWRS C L L D D L L L C S S S S C C S S  
TSTMS S C S C S C C C S S S  
 
 
ILZ003-130900-  
GREATER ROCKFORD AIRPORT-WINNEBAGO IL  
42.20N 89.11W ELEV. 745 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 55 71 48 73 64  
TEMP 84 78 67 61 57 55 68 70 67 63 56 52 50 49 63 69 72 69 65 66 68 68  
DEWPT 65 60 56 52 50 49 51 49 50 49 50 49 48 47 51 51 53 53 56 61 65 67  
RH 53 54 68 72 77 80 54 47 54 60 80 89 93 93 65 53 51 57 73 84 90 97  
WIND DIR NW NW NW N N N N N N N N NE NE E SE SE SE SE SE S S S  
WIND SPD 10 8 5 4 4 3 6 9 8 5 2 2 3 3 10 12 13 14 18 18 17 14  
CLOUDS SC SC FW FW FW FW SC B2 B2 SC FW FW FW SC SC B1 B1 B1 B1 B1 B2 B2  
POP 12HR 5 40 10 20 50  
QPF 12HR 0 0.06 0 0 0.28  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S S S S C C L  
TSTMS C C S  
HEAT INDEX 86  
MAX HEAT 86  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 75 60 77 55 76 54 76  
TEMP 78 74 63 60 71 71 64 62 74 71 59 55 73 70 59 55 73 69  
DEWPT 68 64 62 60 65 63 64 62 62 58 57 55 58 58 58 55 57 54  
PWIND DIR SW N E NE NE NE E SE NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 OV OV B2 B2 B2 B1 SC SC B1 SC SC SC B1 SC  
POP 12HR 70 80 90 70 40 20 20 30 20  
RAIN SHWRS L L L D D D L L C S S S S C C S  
TSTMS S S S C C S C C S S S  
 
 
ILZ104-130900-  
CHICAGO MIDWAY AIRPORT-COOK IL  
41.78N 87.76W ELEV. 612 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 74 58 74 67  
TEMP 85 81 76 71 67 65 71 73 70 66 64 62 60 59 66 70 73 71 69 69 70 70  
DEWPT 67 66 64 59 53 53 53 51 52 50 51 51 51 52 51 50 51 53 55 58 61 64  
RH 55 60 66 66 61 65 53 46 53 56 63 67 72 78 58 49 46 53 61 68 73 81  
WIND DIR W W NW N N N N N N N N N NE E E E SE SE SE S S S  
WIND SPD 12 9 8 9 9 8 8 11 11 10 9 8 6 6 12 11 12 14 16 16 16 16  
WIND GUST 26  
CLOUDS SC SC SC FW FW SC SC B1 OV B1 SC FW FW SC SC SC B1 B1 B1 B1 B1 B2  
POP 12HR 0 40 5 10 30  
QPF 12HR 0 0.03 0 0 0.22  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS S S S  
HEAT INDEX 88 83  
MAX HEAT 88 81  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 67 77 67 77 63 76 62 75  
TEMP 82 79 71 68 75 73 70 68 75 72 67 63 74 72 66 62 73 69  
DEWPT 69 68 66 66 67 65 66 66 64 60 60 60 60 59 59 58 57 55  
PWIND DIR SW N NE N N NE NE SE NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B1 SC B1 SC SC SC B1 SC  
POP 12HR 50 80 80 70 40 30 20 30 20  
RAIN SHWRS C C L D D L L L C S C S S C C S S  
TSTMS S C C C S C C C S S S  
 
 
ILZ021-130900-  
MORRIS-GRUNDY IL  
41.43N 88.42W ELEV. 569 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 60 76 53 76 66  
TEMP 86 80 72 68 63 61 70 75 72 67 61 58 55 55 65 72 75 72 68 68 69 69  
DEWPT 70 69 67 60 55 52 56 55 55 53 54 53 52 51 54 54 56 56 59 61 63 65  
RH 59 69 84 76 75 72 61 50 55 61 78 83 90 86 68 53 52 57 73 78 81 87  
WIND DIR W NW NW N N N N N N N N NE NE E E SE SE SE SE S S S  
WIND SPD 9 5 5 5 5 4 5 8 9 5 4 3 3 4 9 11 12 12 16 14 14 13  
CLOUDS SC SC SC SC SC SC B1 SC OV SC SC FW FW FW SC SC B1 B1 SC B1 B1 B1  
POP 12HR 5 40 10 10 30  
QPF 12HR 0 0.07 0 0 0.13  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS S C C S  
HEAT INDEX 90 83  
MAX HEAT 92  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 65 82 65 81 60 79 58 77  
TEMP 85 80 69 66 78 76 69 67 78 74 64 60 76 73 63 59 75 71  
DEWPT 72 69 68 66 70 67 68 66 67 62 61 60 63 61 60 57 60 57  
PWIND DIR SW NE E NE N NE NE E NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B1 B1 B2 OV B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 50 90 80 60 50 30 30 30 30  
RAIN SHWRS C C D D D L C L C S S C C S C C C S  
TSTMS S C C C S C C C S S S S  
 
 
ILZ006-130900-  
WAUKEGAN-LAKE IL  
42.42N 87.87W ELEV. 745 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 56 70 52 71 64  
TEMP 83 77 67 62 58 57 68 70 67 62 57 55 54 55 66 68 69 66 64 64 65 66  
DEWPT 68 65 60 55 52 52 54 53 53 51 51 51 50 51 53 54 54 55 57 59 62 65  
RH 61 67 78 78 80 83 61 55 61 67 80 86 86 86 63 61 59 68 78 84 90 97  
WIND DIR W NW NW NW NW NW N N NW NW NW N N NE SE SE SE SE S S S SW  
WIND SPD 10 8 8 8 8 6 8 10 10 6 5 5 5 5 11 13 14 16 19 18 18 17  
CLOUDS SC SC SC FW SC SC SC OV B2 B1 FW FW FW FW SC SC B1 B2 B1 B2 B2 B2  
POP 12HR 0 40 10 10 40  
QPF 12HR 0 0.04 0 0 0.25  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C L  
TSTMS C C  
HEAT INDEX 86  
MAX HEAT 86  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 79 60 72 60 73 57 72 56 72  
TEMP 77 73 63 62 70 68 64 63 72 67 60 58 70 68 60 57 71 66  
DEWPT 69 66 63 62 66 63 64 63 64 60 59 58 60 59 59 57 59 57  
PWIND DIR SW N NE N NE NE E S NW  
WIND CHAR GN LT LT LT GN LT LT LT GN  
AVG CLOUDS B2 B2 OV OV B2 OV OV B2 B2 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 60 70 80 70 40 20 20 30 20  
RAIN SHWRS L C L L D L L L C S S S C S S S  
TSTMS S S S S S S S S  
 
 
ILZ021-130900-  
PONTIAC-LIVINGSTON IL  
40.92N 88.63W ELEV. 648 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 61 76 54 77 67  
TEMP 88 82 72 68 63 61 71 75 73 68 61 58 56 55 65 72 76 73 68 68 69 69  
DEWPT 71 70 68 63 57 55 58 58 57 56 56 54 52 52 55 56 59 59 60 62 63 66  
RH 57 67 87 84 81 81 63 55 57 65 84 86 86 90 70 57 56 62 76 81 81 90  
WIND DIR W NW NW N N N N N N N N NE NE E E SE SE SE SE S S S  
WIND SPD 6 4 3 3 3 3 4 6 8 5 4 3 3 4 9 9 11 10 13 13 13 12  
CLOUDS SC SC SC SC SC SC SC B1 B2 B1 SC SC SC FW SC SC SC SC SC SC B1 SC  
POP 12HR 5 40 20 10 20  
QPF 12HR 0 0.06 0 0 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S S S S  
TSTMS S S S S  
HEAT INDEX 93 86  
MAX HEAT 94  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 90 66 85 66 82 60 80 58 78  
TEMP 87 81 69 67 81 79 69 67 78 75 63 60 76 74 62 58 74 72  
DEWPT 74 72 69 67 73 71 68 67 70 65 61 60 65 63 60 58 62 59  
PWIND DIR SW NE SE E N NE NE E NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS SC B1 B1 B2 B2 B2 B1 B1 B1 B2 B1 B1 SC SC SC SC B1 SC  
POP 12HR 40 70 60 60 50 30 30 30 30  
RAIN SHWRS S C L L L L C L C C S C C S C C C S  
TSTMS S C C C C C C C S S S S S S  
 
 
INZ002-130900-  
VALPARAISO-PORTER IN  
41.45N 87.00W ELEV. 770 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 75 52 75 63  
TEMP 85 80 72 70 67 64 73 74 70 64 60 58 54 53 64 71 73 69 65 64 66 67  
DEWPT 65 66 67 65 62 60 59 56 54 53 54 54 52 50 50 49 51 53 55 57 59 61  
RH 51 62 84 84 84 87 62 53 57 67 81 86 93 89 60 46 46 57 70 78 78 81  
WIND DIR W W NW N N N N N N N N NE E E E SE SE SE SE S S S  
WIND SPD 8 5 4 4 5 5 8 11 11 8 5 3 4 5 9 9 10 10 13 12 13 13  
CLOUDS SC SC B1 SC SC SC SC B1 B2 B1 SC SC SC FW FW SC SC B1 SC SC B1 B1  
POP 12HR 5 30 10 5 20  
QPF 12HR 0 0.02 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S C  
TSTMS S S S  
HEAT INDEX 87 82  
MAX HEAT 87  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 64 81 65 79 59 77 56 76  
TEMP 83 79 69 66 78 75 69 67 77 72 64 59 74 70 62 57 73 68  
DEWPT 69 68 68 66 68 67 68 67 65 62 61 59 60 60 59 57 58 57  
PWIND DIR SW N E N N NE NE E NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B1 B1 B2 B2 B2 B2 B2 B1 B2 B2 B1 SC B1 SC SC SC B1 SC  
POP 12HR 50 80 70 70 50 30 20 30 30  
RAIN SHWRS C C D D L L L L C S S C S S C S C S  
TSTMS S C C C S C C C S S S S  
 
 
ILZ005-130900-  
WOODSTOCK-MCHENRY IL  
42.31N 88.44W ELEV. 950 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 56 70 49 72 64  
TEMP 83 77 67 62 58 56 67 69 67 62 56 53 50 51 64 68 71 67 65 65 67 68  
DEWPT 70 66 59 53 50 50 54 54 55 52 51 49 47 48 55 55 56 55 56 59 63 66  
RH 65 69 75 72 75 80 63 59 65 70 83 86 89 89 73 63 59 65 73 81 87 93  
WIND DIR W NW NW N N N N N N N N N NE NE SE SE SE SE S S S SW  
WIND SPD 10 6 5 4 4 3 5 9 8 4 2 2 2 3 9 12 12 13 17 17 17 14  
WIND GUST 27  
CLOUDS SC SC SC FW FW SC SC B1 OV SC FW FW FW FW SC B1 B2 B2 B1 B2 B2 B2  
POP 12HR 0 40 10 20 50  
QPF 12HR 0 0.07 0 0 0.27  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S C C L  
TSTMS C C S  
HEAT INDEX 87  
MAX HEAT 88  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 74 60 75 56 75 55 74  
TEMP 77 74 64 61 70 69 64 62 73 69 60 57 71 69 60 56 72 68  
DEWPT 71 68 62 61 68 65 64 62 66 61 57 57 63 61 58 56 61 58  
PWIND DIR W N E NE NE NE E SE NW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 OV OV B2 OV OV B2 B2 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 60 70 80 70 40 20 20 30 20  
RAIN SHWRS L C L L D L L L C S S S C S S S  
TSTMS S S S C S C S S S S  
 
 
ILZ008-130900-  
OREGON-OGLE IL  
42.01N 89.33W ELEV. 697 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 55 72 48 73 65  
TEMP 83 78 67 62 58 56 67 71 67 63 56 53 50 50 63 69 72 68 65 66 68 68  
DEWPT 69 65 58 54 50 49 53 52 54 54 52 51 49 48 54 54 57 58 59 62 65 67  
RH 63 64 73 75 75 77 61 51 63 72 86 93 96 93 72 59 59 70 81 87 90 97  
WIND DIR NW NW N N N N N N N N NE NE NE E SE SE SE SE SE S S SW  
WIND SPD 8 5 4 3 3 2 5 6 6 3 2 1 2 3 9 12 12 14 14 14 14 12  
CLOUDS SC SC SC FW FW SC SC B1 B1 SC FW FW FW FW SC B1 B1 B1 SC B1 B2 B2  
POP 12HR 5 40 10 20 50  
QPF 12HR 0 0.05 0 0.01 0.29  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S S S S C C L  
TSTMS C C S  
HEAT INDEX 87  
MAX HEAT 87  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 59 76 60 77 55 76 54 75  
TEMP 79 74 64 61 72 71 65 62 74 71 60 55 73 70 60 55 73 69  
DEWPT 71 68 64 61 68 67 65 62 65 62 59 55 62 62 59 55 60 58  
PWIND DIR SW NE E NE NE NE E SE W  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 OV B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 70 80 90 70 40 20 20 30 10  
RAIN SHWRS L L L D D D L L C S S S S C C  
TSTMS S S S C C C C C S S S  
 
 
ILZ011-130900-  
SYCAMORE-DEKALB IL  
41.98N 88.69W ELEV. 863 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 56 72 49 73 65  
TEMP 84 78 68 63 58 56 68 71 68 63 57 54 51 51 64 69 72 68 65 66 67 68  
DEWPT 70 67 60 55 51 50 54 53 54 53 51 50 49 48 53 54 56 56 57 60 63 66  
RH 63 69 76 75 77 80 61 53 61 70 80 86 93 89 67 59 57 65 75 81 87 93  
WIND DIR W NW N N N N N N N N N NE NE E SE SE SE SE SE S S S  
WIND SPD 10 6 5 4 4 3 5 9 8 5 3 3 3 3 10 12 13 13 17 17 17 14  
CLOUDS SC SC SC FW SC SC B1 B1 OV B1 SC FW FW FW SC B1 B1 B1 B1 B1 B2 B2  
POP 12HR 5 40 5 20 40  
QPF 12HR 0 0.05 0 0 0.34  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S S S C C L  
TSTMS C C S  
HEAT INDEX 88  
MAX HEAT 88  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 61 76 61 77 56 76 56 75  
TEMP 79 75 65 62 73 71 65 63 74 71 61 57 73 70 60 56 73 69  
DEWPT 71 68 64 62 68 66 65 63 65 61 58 57 62 61 58 56 60 58  
PWIND DIR SW N E NE NE NE E SE NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 OV OV B2 OV B2 B2 B2 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 60 80 90 70 40 20 20 30 20  
RAIN SHWRS L L L D D L L L C S S S S C C S S  
TSTMS S S S C C C C C C S S  
 
 
ILZ010-130900-  
DIXON-LEE IL  
41.85N 89.45W ELEV. 697 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 56 72 49 74 65  
TEMP 83 77 67 63 58 57 67 72 68 64 57 54 52 51 63 70 72 70 66 67 69 69  
DEWPT 68 65 59 54 51 50 53 52 54 54 53 52 50 49 54 54 57 58 60 63 66 68  
RH 61 67 75 72 77 77 61 49 61 70 86 93 93 93 72 57 59 66 81 87 90 97  
WIND DIR NW NW N N N NE N N N N NE NE NE E SE SE SE SE SE S S S  
WIND SPD 8 5 4 3 3 3 4 6 6 3 2 2 3 4 10 12 12 13 14 14 14 10  
CLOUDS SC SC FW FW FW SC SC B2 OV SC FW FW FW FW SC B1 B1 B1 SC B1 B1 B2  
POP 12HR 5 40 10 30 50  
QPF 12HR 0 0.07 0 0 0.28  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C S S C C L  
TSTMS S C C S  
HEAT INDEX 86  
MAX HEAT 88  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 60 77 61 77 56 77 55 76  
TEMP 81 75 65 62 73 72 66 63 75 71 61 57 74 71 60 55 73 70  
DEWPT 70 67 64 62 68 67 66 63 65 62 59 57 61 61 59 55 59 58  
PWIND DIR W NE E NE NE NE E SE NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 SC SC SC FW SC B1 SC  
POP 12HR 70 80 90 70 40 20 20 30 20  
RAIN SHWRS L L L D D L L L C S S S S C C S S  
TSTMS S S S C C C C C S S S  
 
 
ILZ012-130900-  
GENEVA-KANE IL  
41.88N 88.31W ELEV. 727 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 59 73 52 73 65  
TEMP 85 80 72 66 61 59 69 72 69 65 60 57 54 53 65 70 72 70 67 66 68 68  
DEWPT 70 68 63 57 52 51 54 54 54 53 52 51 50 50 54 54 56 55 58 60 63 66  
RH 61 67 73 73 72 75 59 53 59 65 75 80 86 89 68 57 57 59 73 81 84 93  
WIND DIR W NW N N N N N N N N N N NE NE SE SE SE SE SE S S S  
WIND SPD 10 6 5 5 5 4 6 9 8 5 4 3 3 3 9 11 12 12 17 17 17 14  
CLOUDS SC SC SC FW FW SC B1 B1 OV SC SC FW FW FW SC SC B1 B1 B1 B1 B2 B2  
POP 12HR 0 40 5 10 40  
QPF 12HR 0 0.04 0 0 0.30  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C L  
TSTMS C C S  
HEAT INDEX 89 82  
MAX HEAT 89  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 77 63 77 58 76 57 75  
TEMP 80 77 67 64 74 72 67 64 75 71 63 59 74 71 62 57 73 69  
DEWPT 72 69 66 64 69 66 66 64 66 62 60 59 63 61 59 57 60 57  
PWIND DIR SW N E NE NE NE NE E NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 OV B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC B1 SC  
POP 12HR 60 80 80 70 40 20 20 30 20  
RAIN SHWRS L C L D D L L L C S S S S C C S S  
TSTMS S C S C S C C C S S S  
 
 
ILZ020-130900-  
YORKVILLE-KENDALL IL  
41.64N 88.45W ELEV. 618 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 59 74 52 74 65  
TEMP 85 79 71 66 61 59 69 73 70 65 60 56 54 53 64 70 73 70 67 67 68 68  
DEWPT 70 68 65 59 53 51 55 54 55 53 53 52 50 50 54 53 55 55 58 61 63 65  
RH 61 69 81 78 75 75 61 51 59 65 78 86 86 89 70 55 53 59 73 81 84 90  
WIND DIR W NW NW N N N N N N N N NE NE E E SE SE SE SE S S S  
WIND SPD 10 6 5 5 5 5 6 9 9 6 5 4 4 4 10 11 12 13 17 16 16 13  
CLOUDS SC SC SC FW SC SC SC SC B2 SC SC FW FW FW SC SC B1 B1 SC B1 B1 B1  
POP 12HR 5 40 10 20 30  
QPF 12HR 0 0.05 0 0 0.22  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S C C C  
TSTMS S C C S  
HEAT INDEX 89 80  
MAX HEAT 89  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 64 79 64 78 59 77 57 76  
TEMP 82 78 68 66 76 73 68 66 76 72 63 59 74 71 62 58 73 70  
DEWPT 72 69 67 65 69 66 67 65 66 61 60 59 63 60 59 56 60 57  
PWIND DIR SW N E NE N NE NE E NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B1 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 SC SC SC SC SC B1 SC  
POP 12HR 60 90 80 70 40 30 30 30 20  
RAIN SHWRS C L L D D L L L C S C C S C C S S  
TSTMS S C C C S C C C S S S  
 
 
ILZ013-130900-  
WHEATON-DUPAGE IL  
41.86N 88.11W ELEV. 752 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 61 74 54 73 66  
TEMP 85 81 74 68 63 62 70 73 70 65 61 58 56 55 66 70 72 70 67 67 69 69  
DEWPT 69 67 64 58 53 51 54 53 54 52 52 51 50 51 53 53 54 54 57 60 63 65  
RH 59 63 71 70 70 67 57 49 57 63 72 77 80 86 63 55 53 57 70 78 81 87  
WIND DIR W W NW N N N N N N N N N NE NE SE SE SE SE SE S S SW  
WIND SPD 10 6 5 5 5 5 6 9 9 6 4 4 4 3 9 11 12 12 17 16 16 14  
WIND GUST 26 27 25  
CLOUDS SC SC SC FW FW SC SC B1 OV B1 FW FW FW FW SC SC B1 B1 B1 B1 B2 B2  
POP 12HR 0 40 5 10 30  
QPF 12HR 0 0.04 0 0 0.26  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C S  
HEAT INDEX 89 83  
MAX HEAT 89  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 77 64 76 59 76 58 75  
TEMP 81 77 69 66 74 72 68 66 74 71 64 60 73 71 63 59 72 69  
DEWPT 71 69 66 65 69 66 67 66 66 62 60 60 63 61 59 57 60 57  
PWIND DIR SW N NE NE N NE NE SE NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 OV OV B2 B2 B2 B2 B2 B1 SC B1 SC SC SC B1 SC  
POP 12HR 60 80 80 70 40 20 20 30 20  
RAIN SHWRS C L L D D L L L C S S S S C C S S  
TSTMS S C C C S C C C S S S  
 
 
ILZ019-130900-  
OTTAWA-LASALLE IL  
41.35N 88.84W ELEV. 494 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 60 74 54 76 67  
TEMP 85 80 72 67 62 60 69 73 71 66 61 58 55 54 64 71 75 72 69 69 70 70  
DEWPT 69 68 65 59 54 52 55 54 55 54 54 52 51 50 53 53 56 56 59 62 64 66  
RH 59 67 79 75 75 75 61 51 57 65 78 80 86 86 67 53 52 57 70 78 81 87  
WIND DIR W NW NW N N N N N N N N NE NE E E SE SE SE SE S S S  
WIND SPD 9 5 4 4 4 4 5 8 8 5 4 4 4 4 10 11 12 12 14 14 14 12  
CLOUDS FW SC SC SC SC SC B1 B1 B2 SC SC FW FW SC SC B1 B1 SC SC B1 B1 B2  
POP 12HR 10 40 10 10 30  
QPF 12HR 0 0.09 0 0 0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS S S C C S  
HEAT INDEX 89 82  
MAX HEAT 90  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 65 81 66 80 60 78 59 77  
TEMP 84 79 69 66 77 76 69 67 76 74 64 61 74 72 63 59 74 71  
DEWPT 71 69 67 65 69 68 67 65 66 62 60 59 62 61 59 57 59 57  
PWIND DIR SW NE E NE N NE NE E N  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B1 B2 B2 OV B2 B2 B1 B2 B2 B2 B1 SC SC SC SC SC B1 SC  
POP 12HR 50 90 80 60 50 30 30 30 30  
RAIN SHWRS C C D D D L L L C S S C C S C C C S  
TSTMS S C C C C C C C S S S S  
 
 
ILZ106-130900-  
JOLIET-WILL IL  
41.53N 88.12W ELEV. 655 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 62 76 54 76 66  
TEMP 86 81 74 69 65 62 71 75 72 67 62 59 57 55 65 72 75 72 69 68 70 69  
DEWPT 70 68 67 62 56 53 56 54 54 53 54 53 52 52 53 53 55 54 58 61 63 65  
RH 59 65 79 78 73 72 59 48 53 61 75 80 83 90 65 51 50 53 68 78 78 87  
WIND DIR W NW NW N N N N N N N N N NE E E SE SE SE SE S S S  
WIND SPD 10 6 5 5 5 4 6 9 9 6 4 3 3 4 9 11 12 12 16 16 16 14  
CLOUDS SC SC SC SC SC SC SC SC OV B1 SC SC FW FW SC SC SC B1 SC B1 B1 B1  
POP 12HR 5 40 10 10 30  
QPF 12HR 0 0.07 0 0 0.15  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C  
TSTMS C C S  
HEAT INDEX 91 84  
MAX HEAT 92  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 81 66 80 60 78 59 77  
TEMP 84 80 70 67 78 76 70 67 77 74 65 61 75 73 64 59 74 71  
DEWPT 72 70 69 67 70 67 68 67 67 62 62 60 63 61 61 58 60 57  
PWIND DIR SW N E NE N NE NE E NW  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC B1 SC  
POP 12HR 50 80 80 70 40 30 30 30 30  
RAIN SHWRS C C D D D L C L C S S C C S C C C S  
TSTMS S C C C S C C C S S S S  
 
 
ILZ023-130900-  
KANKAKEE-KANKAKEE IL  
41.12N 87.86W ELEV. 630 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 62 78 53 77 65  
TEMP 88 83 73 69 65 62 73 77 74 68 61 58 56 54 65 72 76 73 67 67 68 68  
DEWPT 67 68 69 65 60 55 57 56 54 54 55 54 52 50 52 52 54 55 59 60 62 63  
RH 50 61 87 87 84 78 57 48 50 61 81 86 86 86 63 49 46 53 75 78 81 84  
WIND DIR W NW NW NW N N N NW N N NE NE NE E E SE SE SE SE S S S  
WIND SPD 5 3 2 2 3 2 3 5 6 4 3 2 2 3 6 6 8 8 11 11 11 11  
CLOUDS SC SC SC SC SC SC B1 SC B2 B1 SC SC SC FW SC SC SC SC SC SC B1 SC  
POP 12HR 5 40 10 5 20  
QPF 12HR 0 0.04 0 0 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S C  
TSTMS S S S  
HEAT INDEX 92 86  
MAX HEAT 92  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 90 65 85 65 82 59 80 57 78  
TEMP 87 82 69 66 80 78 70 67 78 74 64 60 76 74 63 58 74 71  
DEWPT 71 70 69 66 71 69 69 67 68 63 62 60 63 62 60 57 60 58  
PWIND DIR SW NE SE NE N NE NE E NE  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B2 B2 B1 B1 B1 B2 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 40 70 70 60 50 30 30 30 30  
RAIN SHWRS C C L L L L C L C S S C C S C C C S  
TSTMS S C C C S C C C S S S S S S  
 
 
ILZ033-130900-  
WATSEKA-IROQUOIS IL  
40.78N 87.73W ELEV. 636 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 62 79 52 77 65  
TEMP 87 81 71 68 65 63 75 78 75 68 60 58 55 54 66 73 76 71 66 66 67 67  
DEWPT 65 67 68 67 62 58 59 57 54 53 54 53 51 50 52 52 54 56 58 59 60 62  
RH 48 63 90 97 90 84 58 48 48 59 81 83 86 86 61 48 46 59 75 78 78 84  
WIND DIR W W NW NW N N N NW N NE NE NE NE E E SE SE SE SE S S S  
WIND SPD 4 2 1 1 2 2 2 4 6 4 3 2 2 3 5 5 6 6 9 9 9 10  
CLOUDS SC FW SC SC SC SC SC B1 B2 B1 SC SC SC FW SC SC SC SC FW SC B1 SC  
POP 12HR 5 40 20 5 10  
QPF 12HR 0 0.04 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S S  
TSTMS S  
HEAT INDEX 89 84  
MAX HEAT 90 80  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 90 65 86 66 83 59 80 56 78  
TEMP 87 82 70 67 83 79 70 67 80 75 64 60 77 73 62 57 75 70  
DEWPT 70 70 69 66 70 69 69 67 68 64 62 60 63 61 60 57 59 57  
PWIND DIR SW NE SE SE N NE NE E N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B2 B1 B1 SC B1 B1 B2 B1 B1 SC SC SC SC SC SC  
POP 12HR 30 60 60 50 50 30 30 30 30  
RAIN SHWRS S C L L L C C C C S S C C S C C C S  
TSTMS S C C C S C C C S S S S S S  
 
 
ILZ039-130900-  
PAXTON-FORD IL  
40.45N 88.10W ELEV. 776 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 78 54 76 65  
TEMP 86 81 71 68 65 63 74 78 75 69 61 59 56 55 66 73 76 72 66 66 67 67  
DEWPT 69 68 68 67 63 59 61 61 59 56 55 54 52 51 54 56 60 59 59 61 62 63  
RH 57 65 90 97 93 87 64 56 58 63 81 83 86 86 65 55 58 64 78 84 84 87  
WIND DIR W NW NW NW N N NE NW N N NE NE NE E E E SE SE SE S S S  
WIND SPD 5 2 2 3 4 4 3 5 8 6 5 5 5 5 9 9 10 9 11 11 12 12  
CLOUDS SC SC SC SC SC SC B1 B1 B2 B2 SC SC SC SC SC SC SC FW FW SC SC SC  
POP 12HR 0 40 20 10 0  
QPF 12HR 0 0.06 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S S  
TSTMS S S  
HEAT INDEX 90 84  
MAX HEAT 90  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 90 66 87 67 83 60 80 57 78  
TEMP 88 83 70 67 85 81 70 68 80 76 64 60 77 74 62 58 75 71  
DEWPT 72 71 69 67 72 70 69 67 70 65 62 60 65 62 60 58 61 58  
PWIND DIR SW NE SE SE N NE NE E N  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS SC SC SC B1 B1 SC SC SC B1 B1 B1 B1 SC SC SC SC B1 SC  
POP 12HR 20 60 50 50 50 40 30 30 20  
RAIN SHWRS S S C L C C C C C C S C C S C C S S  
TSTMS S S C C S C C C S S S S S S  
 
 
INZ001-130900-  
CROWN POINT-LAKE IN  
41.42N 87.34W ELEV. 697 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 76 53 75 64  
TEMP 86 82 73 70 66 64 73 75 70 66 61 59 56 55 65 71 74 70 66 66 67 68  
DEWPT 67 67 67 64 59 58 59 57 56 54 54 53 52 50 51 51 53 54 56 58 60 62  
RH 53 61 81 81 78 81 62 54 61 65 78 80 86 83 60 49 48 57 70 75 78 81  
WIND DIR W W NW N N N N N N N N NE NE E E E SE SE SE S S S  
WIND SPD 8 5 3 3 4 4 5 9 10 6 4 3 3 4 9 9 10 10 14 13 14 14  
CLOUDS SC SC SC SC SC SC B1 B1 OV B1 SC FW SC FW SC SC SC B1 B1 SC B1 SC  
POP 12HR 5 40 10 5 20  
QPF 12HR 0 0.03 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S C  
TSTMS S S S  
HEAT INDEX 89 84  
MAX HEAT 89  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 65 81 65 79 59 78 57 76  
TEMP 84 80 70 67 78 75 70 67 76 73 64 60 74 71 63 58 73 69  
DEWPT 70 70 68 66 70 68 68 67 67 63 61 60 62 61 59 57 59 58  
PWIND DIR SW N E N N NE NE E N  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS B1 B1 B2 B2 B2 B2 B1 B1 B2 B2 B1 SC SC SC SC SC B1 SC  
POP 12HR 50 80 70 70 50 30 20 30 30  
RAIN SHWRS C C D D L L L L C S S C S S C C C S  
TSTMS S C C C S C C C S S S S  
 
 
INZ010-130900-  
KENTLAND-NEWTON IN  
40.77N 87.45W ELEV. 673 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 62 80 52 76 64  
TEMP 87 81 71 68 65 63 75 79 76 67 60 57 54 53 66 73 76 71 65 65 67 67  
DEWPT 65 66 67 67 62 58 60 56 54 53 54 53 51 50 51 50 53 54 57 59 59 61  
RH 48 60 87 97 90 84 60 45 46 61 81 86 90 89 58 44 45 55 75 81 75 81  
WIND DIR W W W NW N N N NW N NE NE NE NE E E E SE SE SE S S S  
WIND SPD 5 2 1 1 2 2 2 4 8 5 3 2 2 3 6 6 8 6 10 9 11 11  
CLOUDS SC SC SC SC SC SC SC SC B2 B1 SC SC SC FW SC SC SC SC FW SC B1 SC  
POP 12HR 0 30 20 5 5  
QPF 12HR 0 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S  
HEAT INDEX 89 83  
MAX HEAT 89 80  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 89 65 86 66 82 59 79 56 77  
TEMP 87 81 70 67 83 78 70 68 80 74 64 60 77 73 61 57 75 70  
DEWPT 69 69 69 67 70 69 69 67 67 63 62 60 61 60 60 57 58 57  
PWIND DIR SW NE SE S N NE NE E NE  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B2 B1 B1 B1 B1 B2 B2 B1 SC SC SC SC SC SC SC  
POP 12HR 30 60 50 60 40 30 20 30 30  
RAIN SHWRS C L L C C C L C S S C S S C C C S  
TSTMS C C C S C C C S S S S S S  
 
 
INZ011-130900-  
RENNSSELAER-JASPER IN  
40.94N 87.15W ELEV. 661 FT  
115 PM CDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 62 79 51 76 63  
TEMP 87 81 71 68 65 63 75 78 74 67 59 57 54 53 66 73 75 71 64 65 66 67  
DEWPT 66 66 67 66 62 59 61 58 55 53 53 52 51 49 51 51 53 54 56 58 59 61  
RH 50 60 87 93 90 87 62 50 51 61 80 83 90 86 58 46 46 55 75 78 78 81  
WIND DIR W W NW NW N N N NW N N N NE NE E E E SE SE SE S S S  
WIND SPD 6 2 2 2 3 2 3 6 10 6 4 2 3 3 8 8 9 8 11 11 12 12  
CLOUDS SC SC SC SC SC SC SC B1 B2 B1 SC SC SC FW SC SC SC SC SC SC B1 SC  
POP 12HR 0 30 10 5 5  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S  
TSTMS S  
HEAT INDEX 89 83  
MAX HEAT 89  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 89 64 85 65 82 59 79 56 77  
TEMP 86 81 69 66 83 78 70 67 79 74 63 59 76 72 61 57 74 70  
DEWPT 70 70 68 66 71 69 68 67 68 64 62 59 62 61 59 57 59 57  
PWIND DIR SW NE SE S N NE NE E NE  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS SC SC B1 B2 B1 B1 B1 B1 B2 B2 B1 SC SC SC SC SC SC SC  
POP 12HR 30 70 60 60 50 30 20 30 30  
RAIN SHWRS S C L L L C L L C S S C S S C C C S  
TSTMS S C C C S C C C S S S S  
 
 
INZ019-130900-  
FOWLER-BENTON IN  
40.62N 87.32W ELEV. 812 FT  
215 PM EDT SAT SEP 12 2026  
 
DATE 09/12/26 SUN 09/13/26 MON 09/14/26 TUE  
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 64 80 54 75 64  
TEMP 86 80 71 69 66 64 76 79 76 68 61 59 56 55 66 73 75 71 65 65 67 67  
DEWPT 67 66 67 67 64 61 61 58 56 53 54 53 52 50 52 52 55 56 58 59 60 61  
RH 53 62 87 93 93 90 60 49 50 59 78 80 86 83 61 48 50 59 78 81 78 81  
WIND DIR W W NW NW N N N NW N N NE NE NE E E E SE SE SE S S S  
WIND SPD 5 2 2 2 2 3 3 5 9 6 5 3 4 4 8 8 8 6 10 10 11 11  
CLOUDS SC SC SC SC SC FW SC B1 B2 B2 SC SC SC FW SC SC SC SC FW SC SC SC  
POP 12HR 0 30 20 5 0  
QPF 12HR 0 0.04 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S  
HEAT INDEX 88 82 80  
MAX HEAT 88 81 80  
 
DATE 09/15 WED 09/16/26 THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 89 67 86 67 82 61 79 58 77  
TEMP 87 82 71 68 84 79 71 69 80 75 65 61 77 73 63 58 75 70  
DEWPT 70 70 69 67 70 69 69 68 68 64 63 61 62 61 60 58 59 57  
PWIND DIR SW E SE S N NE NE E NE  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B1 B1 SC SC B1 B2 B1 SC SC SC FW SC SC SC  
POP 12HR 20 60 50 50 50 30 30 30 20  
RAIN SHWRS S C L C C C C C C S C C S C C S S  
TSTMS S C C S C S C S S S S S S  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
The Nexlab IN Page
Main Text Page