FOUS53 KLOT 231315 PFMLOT Point Forecast Matrices National Weather Service Chicago/Romeoville IL 815 AM CDT Sun Aug 23 2026 ILZ104-232100- Chicago O'Hare International Airport-Cook IL 41.99N 87.91W Elev. 667 ft 815 AM 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 58 78 59 80 Temp 71 76 76 74 67 62 59 59 71 76 78 73 67 64 61 61 73 79 80 76 Dewpt 54 51 50 52 55 55 54 54 55 53 54 56 57 57 57 56 58 59 60 61 RH 55 42 40 46 65 78 83 83 57 45 43 55 70 78 87 84 59 50 51 60 Wind dir N NW NW NW N NW NW W NW NW N NE SE S SW SW SW SW SW S Wind spd 9 10 10 8 4 3 3 3 4 6 6 4 3 3 3 3 4 4 5 5 Clouds FW 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 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 65 83 66 82 64 80 63 80 Temp 68 65 81 77 70 67 79 77 69 65 77 75 67 64 77 75 Dewpt 60 60 67 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 $$ ILZ003-232100- Greater Rockford Airport-Winnebago IL 42.20N 89.11W Elev. 745 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 53 77 54 80 Temp 69 75 76 72 63 57 54 54 69 76 77 72 64 59 56 56 72 78 80 74 Dewpt 55 51 51 54 54 53 52 52 55 54 55 57 56 55 54 54 56 55 57 61 RH 61 43 42 53 72 86 93 93 61 46 47 59 75 87 93 93 57 45 45 64 Wind dir N NW NW NW NW W W N NW NW NW N SE S S S S SW SW S Wind spd 8 10 10 6 2 2 3 2 2 5 5 2 2 2 2 2 3 5 6 4 Clouds CL FW SC FW FW FW FW FW SC SC SC SC FW FW FW SC SC B1 SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 82 62 80 58 80 58 79 Temp 63 62 79 73 66 62 78 76 64 59 78 75 62 59 77 74 Dewpt 61 61 65 66 64 62 60 62 61 59 57 60 59 58 59 62 PWind dir S SW W NW NW N E S Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW SC FW FW FW SC SC FW SC B1 PoP 12hr 20 50 20 10 0 5 10 20 Rain shwrs S S C S S Tstms S S C S $$ ILZ104-232100- Chicago Midway Airport-Cook IL 41.78N 87.76W Elev. 612 ft 815 AM 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 59 77 60 80 Temp 71 76 76 74 68 64 61 60 70 76 77 72 68 65 62 61 73 79 80 76 Dewpt 56 52 51 52 55 55 55 55 55 53 54 56 57 56 56 55 56 58 58 60 RH 59 43 42 46 63 73 81 84 59 45 45 57 68 73 81 81 55 49 47 58 Wind dir N N NW NW N NW W W NW NW N NE SE S SW SW SW S S S Wind spd 8 10 10 8 4 3 3 3 4 6 6 5 3 3 3 3 3 4 5 5 Clouds FW 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 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 65 83 67 81 66 79 65 79 Temp 68 66 82 77 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 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 20 Rain shwrs C C S Tstms C S $$ ILZ021-232100- Morris-Grundy IL 41.43N 88.42W Elev. 569 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 55 78 58 80 Temp 70 75 75 72 63 59 56 57 71 77 78 73 66 62 59 59 72 78 80 76 Dewpt 59 55 54 56 57 56 54 55 59 58 58 59 58 58 56 56 60 59 60 64 RH 68 50 48 57 81 90 93 93 66 52 50 62 75 87 90 90 66 52 51 66 Wind dir N NW NW NW NW NW NW NW W NW NW N NE SE SE S S S S S Wind spd 6 9 9 5 3 2 3 2 3 5 5 3 2 2 2 2 3 4 4 3 Clouds CL SC SC FW FW FW FW FW SC SC SC SC FW FW FW SC FW SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 83 65 82 63 81 62 80 Temp 65 63 82 77 68 66 79 78 66 64 79 76 65 63 78 76 Dewpt 62 61 68 69 66 64 65 67 64 62 62 64 62 60 63 65 PWind dir S SW W NW NW NW E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW SC FW FW SC SC FW SC SC B1 PoP 12hr 5 40 30 20 5 5 5 20 Rain shwrs C C S S S Tstms C S S $$ ILZ006-232100- Waukegan-Lake IL 42.42N 87.87W Elev. 745 ft 815 AM 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 74 56 74 55 79 Temp 69 74 74 70 63 59 56 57 69 73 74 69 63 60 57 57 72 78 79 75 Dewpt 55 52 51 53 55 54 53 53 56 53 55 56 56 56 54 55 58 58 59 61 RH 61 46 44 55 75 83 90 86 63 49 51 63 78 87 90 93 61 50 50 62 Wind dir N N NW NW NW NW NW NW NW NW N E S SW W W SW S S S Wind spd 10 11 11 9 5 4 4 4 5 6 6 4 3 4 4 4 4 5 8 8 Clouds CL 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 62 81 62 78 60 76 60 76 Temp 65 63 79 76 66 63 77 74 64 61 75 71 63 62 74 72 Dewpt 61 61 66 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 GN 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 $$ ILZ021-232100- Pontiac-Livingston IL 40.92N 88.63W Elev. 648 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 55 79 58 80 Temp 70 76 76 72 64 59 56 57 72 78 78 74 66 62 59 59 73 78 80 76 Dewpt 60 56 55 57 57 56 55 55 60 58 58 60 58 57 56 57 62 61 62 66 RH 71 50 48 59 78 90 96 93 66 50 50 62 75 84 90 93 68 56 54 71 Wind dir N NW NW NW W W W W W NW NW N E SE SE SE S S S SE Wind spd 5 8 9 5 2 2 2 1 3 4 4 2 2 3 3 2 2 2 3 2 Clouds CL FW SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 Max heat 82 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 84 65 83 62 82 62 81 Temp 64 64 83 78 68 66 80 77 66 63 79 76 64 63 78 76 Dewpt 62 61 70 70 66 65 68 68 64 62 65 66 62 61 65 67 PWind dir S SW W NW NW NW E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW FW FW FW FW SC SC FW SC B1 PoP 12hr 5 30 40 10 0 5 5 20 Rain shwrs C C S Tstms C C $$ INZ002-232100- Valparaiso-Porter IN 41.45N 87.00W Elev. 770 ft 815 AM 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 55 75 53 78 Temp 71 72 72 68 62 58 56 57 69 74 74 68 60 58 54 55 70 76 78 72 Dewpt 59 56 55 56 55 55 54 54 58 56 57 57 55 53 51 53 59 58 60 63 RH 66 57 55 65 78 90 93 90 68 53 55 68 84 83 90 93 68 54 54 73 Wind dir NW NW N NW NW E S SW W NW N NE E SE S S S SW S SE Wind spd 9 12 9 4 2 3 3 3 5 8 6 4 2 2 2 2 3 3 3 3 Clouds FW FW FW FW FW FW FW FW FW SC FW SC FW FW FW FW FW SC SC SC PoP 12hr 10 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 81 63 79 61 77 58 78 Temp 62 61 80 76 67 65 77 73 64 63 75 71 63 61 75 72 Dewpt 60 59 65 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 $$ ILZ005-232100- Woodstock-McHenry IL 42.31N 88.44W Elev. 950 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 52 76 54 79 Temp 68 73 74 70 62 56 53 54 69 75 76 70 62 59 56 56 72 78 78 74 Dewpt 55 52 52 53 53 52 51 51 56 55 56 58 55 55 53 54 61 61 61 64 RH 63 48 46 55 72 86 93 90 63 50 50 66 78 87 90 93 68 56 56 71 Wind dir N NW NW NW N NW NW NW NW NW NW N SE SW SW SW SW SW SW S Wind spd 8 10 10 6 3 2 2 2 3 6 5 3 2 2 2 2 4 5 5 4 Clouds CL SC SC FW FW FW FW SC FW SC FW SC FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 81 62 80 59 79 59 78 Temp 64 63 79 73 66 63 77 76 64 60 76 73 62 60 76 73 Dewpt 61 61 69 68 64 62 66 66 61 59 62 63 60 58 63 63 PWind dir S SW W NW NW N E S Wind char LT GN LT LT LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC FW FW FW SC SC SC SC B1 PoP 12hr 20 50 20 10 0 10 5 20 Rain shwrs S S C S S Tstms S S C S $$ ILZ008-232100- Oregon-Ogle IL 42.01N 89.33W Elev. 697 ft 815 AM 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 77 55 79 Temp 68 74 75 71 63 58 55 55 69 76 77 73 64 60 57 56 71 77 79 74 Dewpt 55 52 52 54 55 53 52 53 57 56 57 59 57 56 55 55 59 58 60 65 RH 63 46 45 55 75 83 90 93 66 50 50 62 78 87 93 96 66 52 52 74 Wind dir N NW NW NW NW NW SW W NW NW NW N E S S S S SW SW S Wind spd 6 9 9 5 2 2 3 2 2 5 4 2 2 2 2 1 3 5 5 3 Clouds CL 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 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 62 80 59 80 59 79 Temp 63 62 80 73 66 63 78 76 64 59 77 75 63 59 76 75 Dewpt 62 62 68 69 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 $$ ILZ011-232100- Sycamore-DeKalb IL 41.98N 88.69W Elev. 863 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 53 77 56 79 Temp 69 74 74 71 62 58 55 55 70 76 77 71 63 59 57 57 72 77 79 74 Dewpt 56 53 53 54 55 53 52 52 57 56 57 58 56 55 54 55 59 59 61 63 RH 63 48 48 55 78 83 90 90 63 50 50 63 78 87 90 93 64 54 54 69 Wind dir N NW NW NW NW W W W NW NW NW N E S S S S SW SW S Wind spd 8 9 9 6 2 3 3 2 3 6 5 3 2 3 2 2 4 4 5 4 Clouds CL SC SC FW FW FW FW FW SC SC FW SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 81 62 80 60 80 59 79 Temp 63 63 80 74 67 63 78 76 64 61 77 75 63 60 76 74 Dewpt 61 61 68 68 65 62 64 65 62 59 61 63 60 59 62 64 PWind dir S SW W NW NW NW E S Wind char LT GN LT GN LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC FW FW FW SC SC SC SC B1 PoP 12hr 20 50 20 10 5 10 5 20 Rain shwrs S C S S Tstms S C S $$ ILZ010-232100- Dixon-Lee IL 41.85N 89.45W Elev. 697 ft 815 AM 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 78 56 80 Temp 69 75 76 72 63 58 55 55 69 77 77 73 65 61 57 57 70 78 80 75 Dewpt 56 53 53 55 55 54 53 53 58 57 57 59 57 56 55 56 59 59 60 65 RH 63 46 45 55 75 86 93 93 68 50 50 62 75 84 93 96 68 52 51 71 Wind dir N NW NW NW NW NW W W W NW NW N E SE SE SE S S SW S Wind spd 6 9 9 5 2 2 2 2 2 4 4 2 2 2 2 2 3 5 5 3 Clouds CL 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 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 62 83 62 80 59 80 59 79 Temp 64 63 81 74 67 63 78 77 64 60 78 76 64 60 77 76 Dewpt 63 62 68 68 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 $$ ILZ012-232100- Geneva-Kane IL 41.88N 88.31W Elev. 727 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 54 77 56 79 Temp 69 74 75 71 63 58 55 56 70 76 77 72 64 61 58 58 73 78 79 75 Dewpt 57 53 53 55 55 53 52 53 57 56 57 58 57 57 56 56 59 60 61 63 RH 66 48 46 57 75 83 90 90 63 50 50 61 78 87 93 93 62 54 54 66 Wind dir N NW NW NW N NW NW NW NW NW NW N E S SW SW S SW SW S Wind spd 9 10 10 6 3 3 3 2 4 6 6 3 2 2 2 2 3 4 5 4 Clouds CL SC SC FW FW FW FW FW SC SC SC SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 82 63 81 61 80 61 80 Temp 64 63 81 76 68 64 79 77 66 62 78 75 65 62 77 75 Dewpt 62 61 69 68 65 63 66 65 63 61 63 62 61 60 63 63 PWind dir S SW W NW NW NW E S Wind char LT GN LT GN LT LT LT LT Avg clouds SC B1 SC SC SC FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 10 40 20 10 5 5 5 10 Rain shwrs C S Tstms C S $$ ILZ020-232100- Yorkville-Kendall IL 41.64N 88.45W Elev. 618 ft 815 AM 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 77 56 79 Temp 69 74 75 71 63 58 55 56 70 76 77 72 65 61 58 57 71 77 79 75 Dewpt 58 55 54 56 56 54 53 54 58 56 58 59 57 57 55 55 60 58 61 63 RH 68 51 48 59 78 86 93 93 66 50 52 64 75 87 90 93 68 52 54 66 Wind dir N NW NW NW NW NW NW NW W NW NW N NE SE S S S S S S Wind spd 8 9 9 5 3 2 3 2 3 6 5 3 2 2 1 2 3 4 5 4 Clouds CL 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 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 62 82 64 80 61 79 61 79 Temp 64 63 81 77 67 64 78 76 65 62 77 75 63 62 77 75 Dewpt 62 61 68 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 $$ ILZ013-232100- Wheaton-DuPage IL 41.86N 88.11W Elev. 752 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 56 77 58 80 Temp 70 75 75 73 66 61 58 58 70 76 77 73 67 63 60 59 73 78 80 76 Dewpt 55 52 51 53 55 54 54 54 55 54 55 57 58 57 56 56 59 60 60 62 RH 59 45 43 49 68 78 86 86 59 46 47 57 73 81 87 90 62 54 51 62 Wind dir N NW NW NW N NW NW W NW NW NW N E S SW SW SW SW SW S Wind spd 8 10 10 6 3 3 3 3 4 6 6 4 3 3 2 2 3 4 5 5 Clouds CL SC SC FW FW FW FW FW SC SC SC SC FW FW FW FW SC SC B1 SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 82 65 81 64 80 63 79 Temp 66 64 81 77 69 66 79 77 67 64 77 75 66 63 77 75 Dewpt 61 61 68 68 65 64 65 65 63 62 62 61 60 60 62 62 PWind dir S SW W NW NW N E SE Wind char LT GN LT GN LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC FW FW FW SC SC SC SC B1 PoP 12hr 10 40 20 10 5 5 5 20 Rain shwrs C S S Tstms C S $$ ILZ019-232100- Ottawa-LaSalle IL 41.35N 88.84W Elev. 494 ft 815 AM 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 55 78 58 80 Temp 69 75 75 72 64 59 56 57 71 77 78 74 67 63 60 59 72 78 80 76 Dewpt 59 56 55 57 57 56 54 54 59 57 58 60 58 57 56 56 58 58 59 63 RH 70 52 50 59 78 90 93 90 66 50 50 62 73 81 87 90 61 50 49 64 Wind dir N NW NW NW W NW NW W W NW NW N E SE SE SE S S SW S Wind spd 6 9 9 5 3 2 3 2 3 5 4 2 2 2 2 2 3 3 4 3 Clouds CL 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 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 65 82 62 81 62 80 Temp 65 64 82 78 68 65 79 77 67 63 78 76 66 63 78 76 Dewpt 62 61 67 68 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 $$ ILZ106-232100- Joliet-Will IL 41.53N 88.12W Elev. 655 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 55 78 57 79 Temp 70 75 75 72 64 59 56 57 71 76 77 72 65 61 59 59 72 78 79 75 Dewpt 59 55 54 56 57 56 55 55 58 57 57 59 59 57 56 56 60 60 61 64 RH 68 50 48 57 78 90 96 93 63 52 50 64 81 87 90 90 66 54 54 69 Wind dir N NW NW NW N NW NW NW W NW NW N E SE S S S S S S Wind spd 8 10 10 6 3 3 3 2 4 6 5 3 3 3 2 2 3 4 4 4 Clouds CL SC SC FW FW FW FW FW SC SC FW B1 FW FW FW FW FW SC B1 B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 81 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 82 65 81 63 80 62 80 Temp 65 64 81 77 68 66 79 77 67 64 78 76 66 63 77 75 Dewpt 62 62 69 69 67 65 67 66 64 63 64 63 62 61 64 64 PWind dir S SW W NW NW NW E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC B1 B1 SC FW FW FW SC FW FW FW SC SC SC SC B1 PoP 12hr 5 40 30 20 5 5 5 20 Rain shwrs C C S S S Tstms C S S $$ ILZ023-232100- Kankakee-Kankakee IL 41.12N 87.86W Elev. 630 ft 815 AM 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 56 79 Temp 71 75 76 71 63 59 56 57 71 77 77 72 64 60 58 57 72 77 79 74 Dewpt 59 54 55 56 56 56 55 55 59 57 58 60 59 57 55 55 60 60 61 64 RH 66 48 48 59 78 90 96 93 66 50 52 66 84 90 90 93 66 56 54 71 Wind dir N NW NW NW W NW W W W NW NW N E SE SE SE S S S S Wind spd 5 9 10 5 2 2 2 1 3 6 5 2 3 2 2 1 2 2 2 2 Clouds CL 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 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 61 83 64 82 62 80 60 80 Temp 63 63 83 77 68 65 79 76 66 62 78 74 64 61 77 74 Dewpt 61 60 68 69 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 $$ ILZ033-232100- Watseka-Iroquois IL 40.78N 87.73W Elev. 636 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 54 77 56 79 Temp 70 76 76 70 63 58 56 56 71 77 77 72 64 60 57 57 71 77 79 74 Dewpt 60 56 55 57 56 56 54 54 59 58 58 60 58 57 55 55 60 61 60 64 RH 71 50 48 63 78 93 93 93 66 52 52 66 81 90 93 93 68 58 52 71 Wind dir NW NW NW NW W NW W W W NW NW N E SE SE SE SE SE SE SE Wind spd 4 8 9 5 2 2 2 2 3 5 4 2 2 3 2 1 2 2 1 1 Clouds CL FW SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 82 64 82 61 80 59 80 Temp 63 62 82 77 67 65 79 76 65 62 78 74 63 60 78 75 Dewpt 60 60 67 69 66 64 67 67 64 62 64 64 61 59 64 65 PWind dir S SW SW NW NW NW NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW SC FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 30 40 20 0 5 0 10 Rain shwrs C C S Tstms C C S $$ ILZ039-232100- Paxton-Ford IL 40.45N 88.10W Elev. 776 ft 815 AM 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 56 78 57 80 Temp 70 76 76 71 63 59 57 58 72 77 78 73 66 61 59 59 72 78 80 76 Dewpt 60 57 56 58 57 56 54 55 59 58 58 59 58 57 56 56 60 61 62 64 RH 71 52 50 63 81 90 90 90 64 52 50 62 75 87 90 90 66 56 54 66 Wind dir NW NW NW NW NW W W W W W NW N E E SE SE SE S S S Wind spd 5 9 9 5 3 3 3 2 3 4 4 2 2 3 3 2 3 2 2 3 Clouds CL 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 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 62 83 64 82 62 81 61 81 Temp 64 63 83 78 67 65 80 77 65 62 78 76 64 62 78 76 Dewpt 60 60 68 69 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 $$ INZ001-232100- Crown Point-Lake IN 41.42N 87.34W Elev. 697 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 55 76 54 78 Temp 71 74 74 70 63 59 56 57 70 75 75 69 61 58 55 56 71 76 78 73 Dewpt 59 55 56 56 56 55 54 54 58 57 57 58 56 54 53 54 60 60 62 64 RH 66 51 53 61 78 87 93 90 66 54 54 68 84 86 93 93 68 58 58 73 Wind dir N N N N SW W SW SW W NW N NE E SE S S S S S S Wind spd 8 10 8 5 2 3 3 3 4 8 6 4 3 2 2 2 3 3 3 3 Wind gust 18 Clouds FW SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 81 63 80 62 78 60 78 Temp 62 62 81 76 68 65 78 74 65 64 76 72 63 62 76 73 Dewpt 60 60 67 68 66 64 67 66 64 62 64 63 60 59 63 64 PWind dir S SW SW NW NW NW E SE Wind char LT GN LT LT LT LT LT LT Avg clouds SC B1 SC SC SC FW FW SC FW FW FW SC FW FW SC B1 PoP 12hr 5 40 40 20 5 5 5 10 Rain shwrs C C S S Tstms C C S $$ INZ010-232100- Kentland-Newton IN 40.77N 87.45W Elev. 673 ft 815 AM 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 55 78 Temp 71 76 75 70 62 58 55 56 70 76 76 71 63 59 56 56 71 77 78 73 Dewpt 60 55 54 56 56 55 54 54 59 57 57 58 57 56 54 54 58 59 59 63 RH 68 48 48 61 81 90 96 93 68 52 52 63 81 90 93 93 63 54 52 71 Wind dir NW NW NW NW NW W W SW W NW NW N E SE SE SE SE S S S Wind spd 4 8 10 5 2 2 2 2 3 5 5 2 3 2 2 2 2 1 1 1 Clouds CL 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 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 81 61 80 59 80 Temp 62 61 81 76 67 65 79 75 64 63 78 74 62 61 77 74 Dewpt 60 59 66 68 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 $$ INZ011-232100- Rennsselaer-Jasper IN 40.94N 87.15W Elev. 661 ft 815 AM CDT Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 53 76 53 78 Temp 71 75 75 69 62 57 54 55 69 75 76 70 62 58 55 55 70 76 78 73 Dewpt 61 56 54 56 57 55 53 53 59 56 57 58 57 54 52 53 58 60 60 62 RH 71 52 48 63 84 93 96 93 70 52 52 66 84 86 90 93 66 58 54 68 Wind dir NW NW NW NW SW SW SW SW W NW NW N NE SE S SE S S S SE Wind spd 4 8 9 4 2 2 2 2 4 6 5 3 3 2 1 2 2 1 1 1 Clouds FW SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 81 63 80 60 78 58 79 Temp 61 61 81 76 67 65 78 75 63 63 77 73 62 59 77 74 Dewpt 59 59 66 68 65 64 67 67 63 62 64 63 60 58 63 64 PWind dir S SW SW NW NW NW NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC SC SC FW FW FW SC SC FW SC SC SC PoP 12hr 5 30 40 20 5 5 5 10 Rain shwrs C C S S Tstms C C S $$ INZ019-232100- Fowler-Benton IN 40.62N 87.32W Elev. 812 ft 915 AM 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 75 55 76 56 78 Temp 70 75 75 69 62 58 56 57 70 75 76 70 63 60 57 58 71 76 78 73 Dewpt 61 56 54 56 56 55 54 54 59 57 58 59 57 55 54 55 59 60 61 63 RH 73 52 48 63 81 90 93 90 68 54 54 68 81 84 90 90 66 58 56 71 Wind dir NW NW NW NW NW W W W W NW NW N NE E SE SE SE SE S SE Wind spd 3 8 10 5 2 2 3 2 4 6 4 2 3 3 2 2 2 1 1 1 Clouds CL 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 81 64 80 62 79 60 79 Temp 63 62 80 76 67 65 78 75 65 63 77 73 63 61 76 74 Dewpt 60 60 67 68 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 $$