FOUS53 KLOT 231716 PFMLOT Point Forecast Matrices National Weather Service Chicago/Romeoville IL 1216 PM CDT Sun Aug 23 2026 ILZ104-232100- Chicago O'Hare International Airport-Cook IL 41.99N 87.91W Elev. 667 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 57 77 59 81 Temp 75 76 73 66 61 59 58 70 75 76 72 67 63 60 60 75 80 81 78 Dewpt 52 50 52 54 55 55 55 54 53 54 56 58 57 57 57 59 60 60 59 RH 45 40 48 65 81 87 90 57 46 46 57 73 81 90 90 58 51 49 52 Wind dir N NW NW NW N NW NW NW NW NW NE E S SW N S S S S Wind spd 11 11 8 4 0 1 1 3 5 5 4 2 1 1 0 3 5 6 5 Clouds SC SC SC FW FW FW FW FW SC SC SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 82 Max heat 80 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 84 66 82 64 80 63 80 Temp 68 67 83 80 70 67 79 77 69 65 77 75 67 64 77 75 Dewpt 60 60 68 67 65 64 65 64 62 62 62 60 60 60 62 61 PWind dir S SW W NW NW N E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC SC FW FW SC SC SC SC B1 PoP 12hr 10 40 30 10 5 5 5 10 Rain shwrs C C Tstms C S $$ ILZ003-232100- Greater Rockford Airport-Winnebago IL 42.20N 89.11W Elev. 745 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 51 78 54 81 Temp 75 76 72 63 57 54 52 68 75 77 72 63 59 55 56 73 79 81 77 Dewpt 51 51 52 55 54 52 52 54 53 53 56 56 56 55 55 58 56 58 60 RH 43 42 49 75 90 93100 61 46 43 57 78 90100 96 59 45 46 56 Wind dir N NW NW W N N N N NW NW N N N N N S S S S Wind spd 10 11 6 2 0 0 0 1 5 5 2 0 0 0 0 3 5 6 5 Clouds FW SC FW FW FW FW FW SC SC SC SC FW FW FW SC SC B1 SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 84 62 80 58 80 58 79 Temp 65 64 82 79 66 62 78 76 64 59 78 75 62 59 77 74 Dewpt 60 62 66 64 64 62 60 62 61 59 57 60 59 58 59 62 PWind dir S SW W NW NW N E S Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW SC FW FW FW SC SC FW SC B1 PoP 12hr 20 50 20 10 0 5 10 20 Rain shwrs S S C S S Tstms S S C S $$ ILZ104-232100- Chicago Midway Airport-Cook IL 41.78N 87.76W Elev. 612 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 57 78 60 81 Temp 76 76 74 67 63 59 59 71 76 76 72 68 65 62 61 74 79 81 78 Dewpt 52 50 51 53 54 55 55 54 52 54 56 56 56 56 56 57 58 58 58 RH 43 40 44 61 72 87 87 55 43 46 57 65 73 81 84 55 49 46 50 Wind dir N NW N W W NW W NW NW N NE E S SW S S S S S Wind spd 11 12 8 4 1 1 2 2 6 8 8 3 2 1 1 3 4 8 8 Clouds SC SC SC FW FW FW FW FW SC FW SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 81 Max heat 80 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 84 67 81 66 79 65 79 Temp 69 67 82 80 70 68 79 77 69 66 77 75 68 65 77 75 Dewpt 58 60 66 66 65 64 64 63 62 62 61 60 59 60 61 60 PWind dir S SW W NW NW N E SE Wind char GN GN LT LT LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC SC FW FW SC SC SC SC B1 PoP 12hr 10 40 30 10 5 5 5 20 Rain shwrs C C S Tstms C S $$ ILZ021-232100- Morris-Grundy IL 41.43N 88.42W Elev. 569 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 53 79 57 82 Temp 75 76 72 63 59 57 54 69 77 78 74 66 61 58 58 72 80 82 78 Dewpt 55 54 57 57 56 54 54 59 57 56 60 59 59 57 57 61 60 60 62 RH 50 46 59 81 90 90100 70 50 47 62 78 93 96 96 68 51 47 58 Wind dir N NW NW W N N N W NW NW NW NE N N N S S S S Wind spd 10 10 4 2 0 0 0 2 4 5 2 1 0 0 0 3 4 4 3 Clouds SC SC FW FW FW FW FW SC SC SC SC FW FW FW SC FW SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 82 Max heat 81 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 85 65 82 63 81 62 80 Temp 66 64 84 80 68 66 79 78 66 64 79 76 65 63 78 76 Dewpt 61 61 70 69 66 64 65 67 64 62 62 64 62 60 63 65 PWind dir S SW W NW NW NW E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW SC FW FW SC SC FW SC SC B1 PoP 12hr 5 40 30 20 5 5 5 20 Rain shwrs C C S S S Tstms C S S $$ ILZ006-232100- Waukegan-Lake IL 42.42N 87.87W Elev. 745 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 54 74 56 78 Temp 73 74 70 63 59 56 57 68 72 73 68 62 60 58 59 72 76 78 73 Dewpt 53 52 53 56 55 54 55 54 53 55 56 57 57 56 57 60 59 60 61 RH 49 46 55 78 87 93 93 61 51 53 65 84 90 93 93 66 56 54 66 Wind dir N NW NW NW N N N NW NW N NE S W W W SW S S S Wind spd 12 11 8 2 0 0 0 4 6 6 5 2 1 1 1 4 6 9 8 Clouds SC B1 SC FW FW FW SC SC SC FW SC FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 82 62 78 60 76 60 76 Temp 65 65 81 77 66 63 77 74 64 61 75 71 63 62 74 72 Dewpt 60 61 67 66 65 63 64 64 62 60 61 60 60 60 61 61 PWind dir S SW W NW NW N E SE Wind char LT GN GN GN LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC FW FW FW SC SC SC SC B1 PoP 12hr 10 50 20 10 5 5 5 10 Rain shwrs S C S Tstms S C S $$ ILZ021-232100- Pontiac-Livingston IL 40.92N 88.63W Elev. 648 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 53 80 57 83 Temp 75 76 72 64 60 56 55 71 77 79 75 66 61 58 58 75 80 83 79 Dewpt 58 55 58 57 56 55 55 60 57 57 60 59 58 57 58 62 61 61 64 RH 55 48 61 78 87 96100 68 50 47 60 78 90 96100 64 52 47 60 Wind dir N NW NW N N N N W NW NW N N N N N SE S S SE Wind spd 8 9 4 0 0 0 0 1 3 3 1 0 0 0 0 2 2 2 1 Clouds FW SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 81 83 Max heat 80 81 84 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 86 65 83 62 82 62 81 Temp 66 64 84 80 68 66 80 77 66 63 79 76 64 63 78 76 Dewpt 61 61 71 70 66 65 68 68 64 62 65 66 62 61 65 67 PWind dir S SW W NW NW NW E SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW FW FW FW FW SC SC FW SC B1 PoP 12hr 5 30 40 10 0 5 5 20 Rain shwrs C C S Tstms C C $$ INZ002-232100- Valparaiso-Porter IN 41.45N 87.00W Elev. 770 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 53 74 53 78 Temp 72 72 67 61 58 56 55 69 73 73 66 61 57 55 55 71 76 78 73 Dewpt 56 55 56 58 57 55 55 57 55 56 58 58 55 53 54 59 59 60 62 RH 57 55 68 90 96 96100 66 53 55 75 90 93 93 96 66 56 54 68 Wind dir N N N W N N N NW NW N NE NE N N N S S S SE Wind spd 12 10 4 1 0 0 0 3 6 5 3 1 0 0 0 2 2 2 3 Clouds FW FW FW FW FW FW FW FW SC FW SC FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 81 63 79 61 77 58 78 Temp 63 61 79 75 67 65 77 73 64 63 75 71 63 61 75 72 Dewpt 60 60 66 68 66 65 66 66 64 63 62 63 60 59 62 63 PWind dir S SW SW NW W NW NE SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC B1 B1 SC SC SC SC FW FW FW FW SC FW SC SC SC PoP 12hr 5 30 40 20 5 5 5 10 Rain shwrs C C S S Tstms C C S $$ ILZ005-232100- Woodstock-McHenry IL 42.31N 88.44W Elev. 950 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 51 76 55 80 Temp 71 74 70 62 57 54 53 68 73 75 70 62 58 55 57 72 76 80 76 Dewpt 53 53 54 56 55 53 53 56 55 55 57 58 57 55 56 61 62 62 64 RH 53 48 57 81 93 96100 65 53 50 63 87 96100 96 68 62 54 66 Wind dir N NW NW W N N N NW NW NW N N N N N SW S S S Wind spd 11 11 5 2 0 0 0 1 4 4 2 0 0 0 0 3 4 6 4 Clouds SC SC FW FW FW FW SC FW SC FW SC FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 83 62 80 59 79 59 78 Temp 65 64 80 78 66 63 77 76 64 60 76 73 62 60 76 73 Dewpt 60 61 70 68 64 62 66 66 61 59 62 63 60 58 63 63 PWind dir S SW W NW NW N E S Wind char LT GN LT LT LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC FW FW FW SC SC SC SC B1 PoP 12hr 20 50 20 10 0 10 5 20 Rain shwrs S S C S S Tstms S S C S $$ ILZ008-232100- Oregon-Ogle IL 42.01N 89.33W Elev. 697 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 51 79 55 81 Temp 74 76 71 62 58 55 52 68 76 78 73 64 59 57 57 72 79 81 77 Dewpt 54 54 55 56 55 53 52 57 55 56 59 58 57 55 56 60 59 61 64 RH 50 46 57 81 90 93100 68 48 47 62 81 93 93 96 66 50 51 64 Wind dir N NW NW W N N N N NW NW N N N N N S S S S Wind spd 9 10 5 1 0 0 0 0 4 3 1 0 0 0 0 3 4 5 3 Clouds FW SC FW FW FW FW SC SC SC SC SC FW FW FW SC SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 Max heat 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 84 62 80 59 80 59 79 Temp 65 64 82 78 66 63 78 76 64 59 77 75 63 59 76 75 Dewpt 61 62 69 68 64 62 63 66 62 59 60 65 61 59 62 66 PWind dir S SW W NW NW NW E S Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC FW CL FW SC FW FW FW SC SC FW B1 B1 PoP 12hr 20 40 20 10 0 5 10 20 Rain shwrs S C S S Tstms S C S $$ ILZ011-232100- Sycamore-DeKalb IL 41.98N 88.69W Elev. 863 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 51 78 56 81 Temp 73 75 71 62 58 55 52 69 75 77 72 64 59 57 57 73 78 81 77 Dewpt 54 54 55 56 55 54 52 56 55 55 58 58 57 56 56 60 59 60 62 RH 51 48 57 81 90 96100 63 50 47 61 81 93 96 96 64 52 49 60 Wind dir N NW NW W N N N NW NW NW N E SE N N S S S S Wind spd 10 11 5 3 0 0 0 1 5 5 2 1 1 0 0 3 4 6 5 Clouds SC SC FW FW FW FW FW SC SC FW SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 83 62 80 60 80 59 79 Temp 65 64 81 78 67 63 78 76 64 61 77 75 63 60 76 74 Dewpt 60 61 69 67 65 62 64 65 62 59 61 63 60 59 62 64 PWind dir S SW W NW NW NW E S Wind char LT GN LT GN LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC FW FW FW SC SC SC SC B1 PoP 12hr 20 50 20 10 5 10 5 20 Rain shwrs S C S S Tstms S C S $$ ILZ010-232100- Dixon-Lee IL 41.85N 89.45W Elev. 697 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 51 79 56 81 Temp 75 76 72 63 58 55 53 69 77 78 75 65 60 58 58 72 79 81 78 Dewpt 55 54 56 57 56 55 53 57 56 56 59 58 58 57 57 60 60 60 63 RH 50 46 57 81 93100100 66 48 47 58 78 93 96 96 66 52 49 60 Wind dir N NW NW W N N N W NW NW NW N N N N S S S S Wind spd 9 10 4 1 0 0 0 1 3 3 1 0 0 0 0 3 5 5 4 Clouds FW SC FW FW FW FW SC SC SC SC SC FW FW FW SC SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 82 Max heat 80 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 84 62 80 59 80 59 79 Temp 66 64 83 79 67 63 78 77 64 60 78 76 64 60 77 76 Dewpt 62 63 69 67 66 63 64 66 63 60 61 64 62 60 63 65 PWind dir S SW W NW NW NW E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC FW CL FW SC FW FW FW SC FW FW B1 B1 PoP 12hr 20 40 20 10 0 5 10 20 Rain shwrs S C S S Tstms S C S $$ ILZ012-232100- Geneva-Kane IL 41.88N 88.31W Elev. 727 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 52 77 56 80 Temp 74 75 72 63 58 56 54 70 75 76 72 65 60 57 58 73 79 80 77 Dewpt 54 53 55 57 56 55 54 57 55 55 57 59 58 57 57 60 61 60 61 RH 50 46 55 81 93 96100 63 50 48 59 81 93100 96 64 54 51 58 Wind dir N NW NW W N N N NW NW NW N NE SE N N S S S S Wind spd 11 11 5 2 0 0 0 2 5 5 3 1 1 0 0 3 5 6 4 Clouds SC SC FW FW FW FW FW SC SC SC SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 83 63 81 61 80 61 80 Temp 65 64 82 79 68 64 79 77 66 62 78 75 65 62 77 75 Dewpt 61 61 70 68 65 63 66 65 63 61 63 62 61 60 63 63 PWind dir S SW W NW NW NW E S Wind char LT GN LT GN LT LT LT LT Avg clouds SC B1 SC SC SC FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 10 40 20 10 5 5 5 10 Rain shwrs C S Tstms C S $$ ILZ020-232100- Yorkville-Kendall IL 41.64N 88.45W Elev. 618 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 52 78 56 81 Temp 73 74 71 63 59 56 54 69 75 77 72 65 60 57 57 72 79 81 78 Dewpt 54 54 56 56 55 54 54 58 56 56 59 58 58 56 56 60 60 60 62 RH 51 50 59 78 87 93100 68 52 48 64 78 93 96 96 66 52 49 58 Wind dir N NW NW W N N N NW NW NW NW NE E N N S S S S Wind spd 10 10 5 2 0 0 0 1 4 5 2 1 1 0 0 3 4 5 4 Clouds SC SC FW FW FW FW FW SC SC FW SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 Max heat 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 84 64 80 61 79 61 79 Temp 65 64 82 79 67 64 78 76 65 62 77 75 63 62 77 75 Dewpt 61 61 69 68 65 63 65 66 63 61 61 63 61 59 62 64 PWind dir S SW W NW NW NW E SE Wind char LT GN LT GN LT LT LT LT Avg clouds SC B1 SC SC FW FW FW FW FW FW FW SC FW SC SC B1 PoP 12hr 10 40 20 20 5 5 5 20 Rain shwrs C S S S S Tstms C S S $$ ILZ013-232100- Wheaton-DuPage IL 41.86N 88.11W Elev. 752 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 54 77 58 81 Temp 74 75 73 65 60 57 56 70 75 76 73 67 62 59 59 74 79 81 78 Dewpt 53 52 53 56 55 55 55 55 54 54 57 59 58 57 57 60 60 60 61 RH 48 45 49 73 84 93 96 59 48 46 57 75 87 93 93 62 52 49 56 Wind dir N NW NW NW N N N NW NW NW NE E S N N S S S S Wind spd 11 11 6 3 0 0 0 2 5 5 3 2 1 0 0 3 5 6 5 Clouds SC SC FW FW FW FW FW SC SC SC SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 83 65 81 64 80 63 79 Temp 67 65 81 79 69 66 79 77 67 64 77 75 66 63 77 75 Dewpt 60 61 69 68 65 64 65 65 63 62 62 61 60 60 62 62 PWind dir S SW W NW NW N E SE Wind char LT GN LT GN LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC FW FW FW SC SC SC SC B1 PoP 12hr 10 40 20 10 5 5 5 20 Rain shwrs C S S Tstms C S $$ ILZ019-232100- Ottawa-LaSalle IL 41.35N 88.84W Elev. 494 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 53 79 57 82 Temp 74 75 72 64 60 56 54 69 77 78 74 66 62 59 58 72 80 82 78 Dewpt 55 55 57 57 56 54 54 59 57 57 61 58 59 57 56 59 59 59 62 RH 51 50 59 78 87 93100 70 50 48 64 75 90 93 93 64 49 46 58 Wind dir N NW NW W N N N W NW NW N N N N N S S S S Wind spd 8 10 4 2 0 0 0 1 4 3 1 0 0 0 0 2 3 4 2 Clouds FW SC FW FW FW FW FW SC SC SC SC FW FW FW FW FW SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 82 Max heat 80 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 85 65 82 62 81 62 80 Temp 67 65 83 80 68 65 79 77 67 63 78 76 66 63 78 76 Dewpt 61 61 69 67 66 63 64 66 64 61 61 63 62 59 62 64 PWind dir S SW W NW NW NW E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW FW FW FW FW SC SC FW SC B1 PoP 12hr 10 30 30 10 5 5 5 20 Rain shwrs C C S S Tstms C S $$ ILZ106-232100- Joliet-Will IL 41.53N 88.12W Elev. 655 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 52 78 57 81 Temp 74 75 72 64 59 56 54 69 76 77 73 66 61 58 58 72 79 81 78 Dewpt 56 55 57 58 57 56 54 59 57 56 59 61 59 58 57 61 61 61 62 RH 53 50 59 81 93100100 70 52 48 62 84 93100 96 68 54 51 58 Wind dir N NW NW NW N N N W NW NW NW E SE N N S S S S Wind spd 11 11 5 2 0 0 0 2 5 5 3 2 1 0 0 3 4 5 4 Clouds SC SC FW FW FW FW FW SC SC FW B1 FW FW FW FW FW SC B1 B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 Max heat 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 84 65 81 63 80 62 80 Temp 66 65 83 79 68 66 79 77 67 64 78 76 66 63 77 75 Dewpt 62 62 70 69 67 65 67 66 64 63 64 63 62 61 64 64 PWind dir S SW W NW NW NW E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC B1 B1 SC FW FW FW SC FW FW FW SC SC SC SC B1 PoP 12hr 5 40 30 20 5 5 5 20 Rain shwrs C C S S S Tstms C S S $$ ILZ023-232100- Kankakee-Kankakee IL 41.12N 87.86W Elev. 630 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 52 78 55 81 Temp 74 75 70 62 58 55 54 69 75 77 72 64 59 56 56 73 79 81 77 Dewpt 56 55 57 58 57 55 54 59 57 57 60 60 58 56 56 61 61 61 62 RH 53 50 63 87 96100100 70 54 50 66 87 96100100 66 54 51 60 Wind dir N NW NW W N N N W NW NW NW N N N N S S S S Wind spd 9 10 4 2 0 0 0 1 3 3 1 0 0 0 0 1 1 2 1 Clouds SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 Max heat 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 84 64 82 62 80 60 80 Temp 65 63 83 78 68 65 79 76 66 62 78 74 64 61 77 74 Dewpt 61 61 68 70 66 65 67 68 65 62 64 64 61 60 63 65 PWind dir S SW W NW NW NW E SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC FW FW FW FW FW SC SC SC SC SC PoP 12hr 5 40 40 20 5 5 5 10 Rain shwrs C C S S Tstms C C S $$ ILZ033-232100- Watseka-Iroquois IL 40.78N 87.73W Elev. 636 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 52 78 54 80 Temp 75 75 70 62 58 55 54 69 76 77 72 64 59 56 56 73 79 80 76 Dewpt 57 56 57 56 55 54 54 59 57 57 60 59 57 55 55 61 61 60 63 RH 54 52 63 81 90 96100 70 52 50 66 84 93 96 96 66 54 51 64 Wind dir N NW NW W N N N W NW NW N N N N N SE SE S SE Wind spd 6 10 3 1 0 0 0 1 2 2 0 0 0 0 0 1 1 1 1 Clouds FW SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 84 64 82 61 80 59 80 Temp 64 62 82 78 67 65 79 76 65 62 78 74 63 60 78 75 Dewpt 60 60 67 70 66 64 67 67 64 62 64 64 61 59 64 65 PWind dir S SW SW NW NW NW NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW SC FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 30 40 20 0 5 0 10 Rain shwrs C C S Tstms C C S $$ ILZ039-232100- Paxton-Ford IL 40.45N 88.10W Elev. 776 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 53 80 56 81 Temp 75 75 70 63 59 57 56 72 77 79 75 66 61 57 57 74 80 81 78 Dewpt 58 56 57 56 55 54 55 59 57 57 60 59 58 56 57 61 61 62 62 RH 55 52 63 78 87 90 96 64 50 47 60 78 90 96100 64 52 53 58 Wind dir N NW NW W N N N W NW NW N N N SE N SE SE S SE Wind spd 9 10 4 2 0 0 0 2 3 2 1 0 0 0 0 2 2 2 3 Clouds FW SC FW CL FW FW FW FW SC SC SC FW FW FW FW FW FW SC B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 82 Max heat 81 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 85 64 82 62 81 61 81 Temp 65 63 84 79 67 65 80 77 65 62 78 76 64 62 78 76 Dewpt 60 61 68 70 66 65 68 67 64 62 65 65 61 60 64 65 PWind dir S SW W NW NW NW NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC FW FW FW FW FW FW SC FW SC SC PoP 12hr 0 30 40 10 0 5 0 20 Rain shwrs C C S Tstms C C $$ INZ001-232100- Crown Point-Lake IN 41.42N 87.34W Elev. 697 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 53 76 55 79 Temp 73 74 69 63 59 56 55 70 75 75 69 63 58 56 57 72 77 79 74 Dewpt 56 56 58 57 56 54 55 57 56 57 58 58 56 54 55 60 61 61 63 RH 55 53 68 81 90 93100 63 52 54 68 84 93 93 93 66 58 54 69 Wind dir N N N NW N N N W NW N NE E N N N S S S S Wind spd 11 10 4 1 0 0 0 2 5 5 4 1 0 0 0 2 2 3 3 Clouds SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 82 63 80 62 78 60 78 Temp 64 62 81 77 68 65 78 74 65 64 76 72 63 62 76 73 Dewpt 60 60 68 69 66 64 67 66 64 62 64 63 60 59 63 64 PWind dir S SW SW NW NW NW E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC FW FW FW SC FW FW SC B1 PoP 12hr 5 40 40 20 5 5 5 10 Rain shwrs C C S S Tstms C C S $$ INZ010-232100- Kentland-Newton IN 40.77N 87.45W Elev. 673 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 52 78 53 80 Temp 75 75 69 61 57 55 54 70 76 77 72 63 58 55 55 73 78 80 75 Dewpt 57 55 56 56 55 53 54 58 56 56 59 58 56 55 55 59 60 59 61 RH 54 50 63 84 93 93100 66 50 48 64 84 93100100 62 54 49 62 Wind dir N NW NW NW N N N W NW NW N N N N N SE S S S Wind spd 9 11 4 1 0 0 0 1 3 3 0 0 0 0 0 1 1 1 1 Clouds SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 83 63 81 61 80 59 80 Temp 63 61 82 77 67 65 79 75 64 63 78 74 62 61 77 74 Dewpt 59 59 66 69 66 64 66 66 63 62 64 63 61 59 62 64 PWind dir S SW SW NW NW NW NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC FW SC SC FW FW FW FW SC FW SC SC SC PoP 12hr 0 20 40 20 5 5 0 10 Rain shwrs S C S S Tstms S C S $$ INZ011-232100- Rennsselaer-Jasper IN 40.94N 87.15W Elev. 661 ft 1216 PM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 51 78 53 79 Temp 74 74 69 61 57 55 53 69 75 76 71 62 57 54 54 72 77 79 74 Dewpt 58 56 57 57 55 53 53 57 56 56 59 58 56 54 54 59 60 60 61 RH 57 53 66 87 93 93100 66 52 50 66 87 96100100 64 56 52 64 Wind dir N NW NW N N N N W NW NW N E N N N SE S S SE Wind spd 9 10 4 0 0 0 0 2 4 4 1 1 0 0 0 1 1 1 1 Clouds SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 82 63 80 60 78 58 79 Temp 62 61 81 76 67 65 78 75 63 63 77 73 62 59 77 74 Dewpt 59 59 67 69 65 64 67 67 63 62 64 63 60 58 63 64 PWind dir S SW SW NW NW NW NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC SC SC FW FW FW SC SC FW SC SC SC PoP 12hr 5 30 40 20 5 5 5 10 Rain shwrs C C S S Tstms C C S $$ INZ019-232100- Fowler-Benton IN 40.62N 87.32W Elev. 812 ft 116 PM EDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 53 77 55 79 Temp 74 74 69 61 58 55 55 69 74 76 71 63 59 56 57 73 77 79 74 Dewpt 58 56 57 56 55 54 55 59 57 57 60 59 57 55 56 60 61 61 62 RH 57 53 66 84 90 96100 70 55 52 68 87 93 96 96 64 58 54 66 Wind dir N NW NW NW N N N W NW NW N N N N N SE SE N SE Wind spd 8 10 4 1 0 0 0 2 3 3 0 0 0 0 0 2 0 0 0 Clouds SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 82 64 80 62 79 60 79 Temp 63 62 80 76 67 65 78 75 65 63 77 73 63 61 76 74 Dewpt 59 60 67 69 65 65 67 67 64 63 65 64 61 60 64 64 PWind dir S SW SW NW NW NW NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW SC FW FW FW FW FW SC FW SC FW SC PoP 12hr 0 20 40 20 5 5 0 10 Rain shwrs S C S S Tstms S C S $$