Point Forecast Matrices
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
059 FOUS53 KLOT 311215 PFMLOT Point Forecast Matrices National Weather Service Chicago/Romeoville IL 715 AM CDT Sun Aug 31 2025 ILZ104-312100- Chicago O`Hare International Airport-Cook IL 41.99N 87.91W Elev. 667 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 58 78 59 80 Temp 70 76 76 71 64 61 60 59 72 77 78 72 66 63 62 60 72 79 79 75 Dewpt 54 49 49 51 53 56 56 55 55 53 52 53 55 57 57 57 58 56 54 54 RH 57 39 39 49 67 84 87 87 55 43 40 51 68 81 84 90 61 45 42 48 Wind dir E E E E NE NE NE N E E E NE NE NE NE N NE E E E Wind spd 4 6 9 9 5 2 2 2 3 5 8 5 3 2 2 2 2 4 5 5 Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW 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 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 78 51 62 48 66 51 70 Temp 64 61 78 64 58 51 61 60 51 51 65 63 56 51 68 66 Dewpt 56 56 58 56 51 46 42 41 41 44 49 47 47 47 48 48 PWind dir S W NW NW W W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW FW SC B2 B2 B1 SC SC SC B1 B1 B1 SC SC FW SC PoP 12hr 5 60 50 10 5 20 10 5 Rain shwrs S L C S S S Tstms C S $$ ILZ003-312100- Greater Rockford Airport-Winnebago IL 42.20N 89.11W Elev. 745 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 52 79 53 79 Temp 69 75 77 71 60 55 53 54 70 77 78 72 61 57 54 54 69 78 79 74 Dewpt 53 50 50 52 51 49 51 51 58 56 55 56 53 52 52 52 58 56 55 56 RH 57 41 39 51 72 80 93 90 66 48 45 57 75 83 93 93 68 47 44 53 Wind dir E E E NE E E E E E E E NE E E E NE NE NE W NW Wind spd 4 4 6 5 3 2 1 1 2 3 4 4 2 2 1 1 1 2 3 3 Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 73 45 61 44 66 45 69 Temp 59 56 73 63 52 46 59 58 47 47 65 62 52 46 67 64 Dewpt 54 54 58 53 46 43 41 41 41 44 48 47 46 44 48 47 PWind dir SW W NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW SC B1 B2 B1 SC SC SC SC B1 B1 SC SC FW FW FW PoP 12hr 10 70 30 0 10 20 10 5 Rain shwrs C L C S Tstms S C S $$ ILZ104-312100- Chicago Midway Airport-Cook IL 41.78N 87.76W Elev. 612 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 60 77 61 79 Temp 71 76 77 72 67 64 62 60 71 76 77 72 67 65 63 61 73 78 79 75 Dewpt 55 49 48 51 56 57 56 53 55 53 53 55 58 59 58 58 58 56 55 56 RH 57 39 36 48 68 78 81 78 57 45 43 55 73 81 84 90 59 47 44 52 Wind dir E E E E NE E SE SE E E NE NE NE NE NE NE E E E E Wind spd 3 5 10 8 5 4 3 2 4 8 10 9 5 4 2 2 2 4 6 6 Clouds FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW CL FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 78 52 63 49 67 52 70 Temp 65 61 78 67 59 52 61 60 51 51 66 63 57 52 68 66 Dewpt 57 56 58 57 52 47 44 42 42 45 49 48 48 47 48 49 PWind dir S SW NW NW W W W W Wind char LT GN GN GN GN GN GN GN Avg clouds FW FW SC B2 B2 B1 SC SC SC B1 B1 B1 SC SC FW SC PoP 12hr 5 60 60 10 5 20 10 5 Rain shwrs S L L C S S Tstms C S $$ ILZ021-312100- Morris-Grundy IL 41.43N 88.42W Elev. 569 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 52 80 55 81 Temp 70 77 78 72 61 57 55 54 70 78 80 72 63 60 57 56 72 79 81 75 Dewpt 55 53 51 54 54 53 52 51 56 55 54 55 54 54 54 54 59 58 56 57 RH 59 43 39 53 78 86 90 90 61 45 41 55 72 81 90 93 64 49 42 54 Wind dir E E E E E NE NE NE E E E NE E NE NE NE E E N N Wind spd 3 4 6 5 3 2 2 2 3 5 5 4 3 2 2 2 2 3 3 2 Clouds SC FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW CL FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 81 Max heat 80 80 81 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 79 48 65 46 69 48 72 Temp 61 57 79 65 55 48 63 60 48 51 69 63 54 49 70 66 Dewpt 55 54 59 57 52 46 45 41 42 44 50 48 47 46 50 50 PWind dir SE W NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW SC SC B2 B2 B1 SC SC SC B1 B1 SC SC FW FW FW PoP 12hr 5 60 50 5 5 20 5 5 Rain shwrs L C S S Tstms C S $$ ILZ006-312100- Waukegan-Lake IL 42.42N 87.87W Elev. 745 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 57 75 59 75 Temp 70 74 73 68 61 60 58 58 72 75 74 70 64 62 60 60 72 75 75 71 Dewpt 53 52 50 53 54 55 54 53 60 58 57 57 57 57 56 57 61 59 58 59 RH 55 46 44 59 78 84 86 83 66 55 55 63 78 84 87 90 68 58 55 66 Wind dir E E E E E NE N N E E E NE NE NE N NW N E E E Wind spd 4 6 9 6 2 2 1 2 3 6 6 4 2 2 2 2 3 5 5 3 Clouds FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 75 49 61 48 66 50 68 Temp 64 60 75 62 55 49 60 59 51 50 65 63 56 51 67 64 Dewpt 57 56 60 57 50 46 44 43 43 45 50 49 47 48 50 49 PWind dir S W NW NW W W W W Wind char LT GN GN GN LT GN GN GN Avg clouds FW FW SC B2 B2 SC SC B1 SC B1 B1 B1 SC SC FW SC PoP 12hr 5 60 50 10 10 30 10 5 Rain shwrs C L C S S C Tstms C S $$ ILZ021-312100- Pontiac-Livingston IL 40.92N 88.63W Elev. 648 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 52 81 54 82 Temp 72 77 79 73 61 57 54 53 71 79 81 74 64 59 56 55 72 80 82 75 Dewpt 55 52 52 54 53 52 51 50 56 54 55 56 54 53 52 52 58 57 56 57 RH 55 42 39 51 75 83 90 89 59 42 41 53 70 80 86 90 61 45 41 54 Wind dir E E E E E E E E E E E E E E E NE E E NE NE Wind spd 4 4 6 5 4 3 3 2 4 6 5 4 4 3 2 2 2 3 3 2 Clouds SC SC SC FW FW FW FW SC FW FW FW SC SC FW FW FW FW FW SC SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 80 81 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 80 47 65 46 71 48 73 Temp 60 57 80 66 55 47 63 60 48 50 70 65 53 50 71 67 Dewpt 54 53 59 60 52 46 45 42 41 43 50 49 46 45 51 51 PWind dir E W NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds SC SC SC B2 B2 B1 SC SC SC SC SC SC SC FW FW FW PoP 12hr 5 40 50 0 5 10 5 5 Rain shwrs C C S Tstms C S $$ INZ002-312100- Valparaiso-Porter IN 41.45N 87.00W Elev. 770 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 79 Temp 68 74 75 68 60 57 54 54 68 75 77 69 62 59 55 56 72 78 78 71 Dewpt 52 51 51 54 53 51 49 48 54 54 55 57 56 53 51 51 56 55 55 57 RH 57 44 43 61 78 80 83 80 61 48 47 66 81 80 86 83 57 45 45 61 Wind dir SE E NE NE NE E E E E E NE N NE NE E E SE E NE NE Wind spd 4 5 8 6 3 3 2 2 5 6 6 5 3 3 2 2 2 3 4 3 Clouds FW FW FW FW FW CL FW CL FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 55 79 51 62 45 67 48 69 Temp 61 56 79 67 58 51 62 57 48 47 65 63 55 50 67 64 Dewpt 54 53 56 58 55 49 45 43 41 42 48 47 46 45 49 49 PWind dir SE SW NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW FW SC B1 B2 B1 B1 SC SC B1 B1 B1 SC SC FW SC PoP 12hr 5 40 60 10 5 20 10 5 Rain shwrs C L C S S Tstms S S $$ ILZ005-312100- Woodstock-McHenry IL 42.31N 88.44W Elev. 950 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 52 78 54 79 Temp 69 75 76 68 57 54 52 54 70 76 77 69 59 57 55 55 70 77 78 72 Dewpt 54 51 53 54 52 51 50 51 60 58 57 56 53 53 52 53 60 58 57 58 RH 59 43 45 61 83 90 93 90 71 54 50 63 80 86 90 93 71 52 48 61 Wind dir E E E E E E NE NE E E E E E N N N NE NE W NW Wind spd 3 4 5 6 2 1 1 1 2 3 4 4 2 1 1 1 1 2 3 2 Clouds FW FW FW FW CL FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 73 46 60 44 64 46 67 Temp 59 57 73 61 52 46 59 56 47 47 63 60 52 47 66 63 Dewpt 54 54 60 55 48 44 43 42 41 43 50 48 46 45 50 49 PWind dir SW W NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW SC B1 B2 B1 SC SC B1 B1 B1 B1 B1 SC FW FW FW PoP 12hr 10 70 40 5 10 20 10 5 Rain shwrs C L C S S S Tstms S C S $$ ILZ008-312100- Oregon-Ogle IL 42.01N 89.33W Elev. 697 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 50 79 53 80 Temp 69 76 77 71 59 54 51 53 71 78 79 73 62 57 54 54 69 78 80 74 Dewpt 55 52 52 53 52 50 50 51 58 56 55 57 53 51 51 51 58 56 55 57 RH 61 43 42 53 78 86 96 93 63 47 44 57 72 80 90 90 68 47 42 55 Wind dir E NE E E E E E E E E E NE E E E NE NE NE NW NW Wind spd 4 4 5 5 2 2 2 2 2 3 4 2 2 2 1 1 2 2 3 2 Clouds SC FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 80 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 55 74 45 62 44 67 45 70 Temp 60 56 73 64 53 46 60 59 48 47 65 63 52 46 68 64 Dewpt 54 53 59 54 46 43 42 41 41 44 49 48 46 44 48 48 PWind dir W W NW NW SW W W W Wind char LT GN LT GN LT GN LT LT Avg clouds FW SC B1 B2 B1 SC SC SC SC B1 B1 SC FW FW FW FW PoP 12hr 10 70 30 0 5 20 5 5 Rain shwrs C L C S Tstms S C S $$ ILZ011-312100- Sycamore-DeKalb IL 41.98N 88.69W Elev. 863 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 52 79 54 79 Temp 69 75 77 71 59 55 53 54 70 77 78 71 61 58 56 55 70 77 79 73 Dewpt 55 52 53 54 52 51 52 52 58 56 55 55 52 52 52 53 59 57 55 56 RH 61 45 43 55 78 86 96 93 66 48 45 57 72 80 86 93 68 50 44 55 Wind dir E E E E E E E E E E E E E E NE NE NE NE NW NW Wind spd 4 3 6 6 3 2 2 2 2 3 4 4 2 2 1 1 2 2 2 2 Clouds FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 75 46 61 44 66 46 69 Temp 60 57 75 61 53 46 59 58 47 47 65 62 53 47 67 63 Dewpt 54 54 59 54 48 44 42 41 41 43 49 47 46 45 49 48 PWind dir W W NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW SC B1 B2 B1 SC SC SC SC B1 B1 SC SC FW FW FW PoP 12hr 10 60 40 5 5 20 10 5 Rain shwrs C L C S S Tstms C S $$ ILZ010-312100- Dixon-Lee IL 41.85N 89.45W Elev. 697 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 51 80 53 81 Temp 68 76 78 71 61 56 52 53 71 78 80 73 63 57 55 54 70 78 81 74 Dewpt 56 53 53 54 53 51 50 50 58 56 56 58 54 51 51 52 59 57 57 58 RH 65 45 42 55 75 83 93 89 63 47 44 59 72 80 86 93 68 48 44 57 Wind dir E E E E NE E E NE E E E E E E E NE E NE NW NW Wind spd 4 4 5 5 2 2 2 2 2 3 3 2 2 2 2 2 2 2 2 2 Clouds SC FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 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 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 55 74 45 63 45 68 45 71 Temp 61 56 74 65 53 46 61 59 48 48 66 63 52 47 68 65 Dewpt 55 54 60 55 47 43 43 43 41 45 50 49 46 45 50 49 PWind dir W W NW NW SW W W W Wind char LT LT LT GN LT GN LT LT Avg clouds FW SC B1 B2 B1 SC SC SC SC B1 B1 SC FW FW FW FW PoP 12hr 10 70 30 0 5 20 5 5 Rain shwrs C L C S Tstms S C S $$ ILZ012-312100- Geneva-Kane IL 41.88N 88.31W Elev. 727 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 53 79 56 80 Temp 70 76 78 71 61 57 55 55 71 78 79 71 62 60 58 57 71 78 80 74 Dewpt 54 51 50 51 52 53 53 53 57 55 54 53 53 54 55 55 60 57 56 56 RH 57 42 37 49 72 86 93 93 61 45 42 53 72 81 90 93 68 48 44 53 Wind dir E NE E E NE NE NE NE E E E E NE NE NE N E NE NW N Wind spd 4 4 8 9 3 2 2 2 3 5 5 5 3 2 2 2 2 3 4 3 Clouds FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW SC FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 80 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 77 47 62 45 67 47 70 Temp 62 58 77 62 54 47 60 59 48 48 66 62 53 48 68 65 Dewpt 55 54 59 55 50 46 43 41 41 44 50 48 46 46 49 49 PWind dir W W NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW FW B1 B2 B2 SC SC SC SC B1 B1 SC SC FW FW FW PoP 12hr 5 60 50 5 5 20 10 5 Rain shwrs S L C S S S Tstms C S $$ ILZ020-312100- Yorkville-Kendall IL 41.64N 88.45W Elev. 618 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 52 80 55 81 Temp 69 76 78 72 60 56 53 53 69 78 79 72 62 59 57 56 71 79 81 74 Dewpt 55 51 52 54 53 53 52 52 57 55 53 54 52 54 54 54 59 57 56 56 RH 61 42 40 53 78 90 96 96 66 45 41 53 70 83 90 93 66 47 42 53 Wind dir E E E E E E E NE E E E E E NE NE NE E E N N Wind spd 3 3 8 5 3 2 2 2 3 5 5 4 3 2 2 2 2 2 3 2 Clouds FW FW FW FW FW CL FW SC FW FW FW FW FW FW FW FW CL FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 80 81 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 56 78 47 63 46 68 47 71 Temp 61 57 78 63 55 47 61 59 48 49 67 63 54 48 69 66 Dewpt 55 54 59 56 51 45 44 40 41 44 49 47 47 45 50 49 PWind dir S W NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW FW SC B2 B2 SC SC SC SC B1 B1 SC SC FW FW FW PoP 12hr 5 60 50 5 5 20 10 5 Rain shwrs S L C S S S Tstms C S $$ ILZ013-312100- Wheaton-DuPage IL 41.86N 88.11W Elev. 752 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 57 79 58 80 Temp 70 76 77 71 63 61 59 58 72 78 78 72 65 62 61 58 72 79 80 75 Dewpt 54 49 49 51 54 55 55 55 55 53 52 52 54 56 57 57 58 56 54 54 RH 57 39 37 49 72 81 87 90 55 42 40 49 68 81 87 96 61 45 41 48 Wind dir E E E E NE NE NE NE E E E NE NE NE NE N NE E NE NE Wind spd 3 4 8 8 3 2 2 2 3 5 6 5 3 2 2 2 2 4 5 4 Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 78 50 62 47 67 49 70 Temp 63 60 78 64 56 50 61 59 49 50 66 63 55 50 68 66 Dewpt 56 55 58 55 51 46 43 40 41 44 49 47 47 46 48 48 PWind dir S SW NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW FW SC B2 B2 SC SC SC SC B1 B1 SC SC SC FW SC PoP 12hr 5 60 50 10 5 20 10 5 Rain shwrs S L C S S S Tstms C S $$ ILZ019-312100- Ottawa-LaSalle IL 41.35N 88.84W Elev. 494 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 52 80 54 81 Temp 69 77 78 72 61 57 53 54 70 78 80 73 63 59 56 56 72 79 81 75 Dewpt 56 53 53 54 54 53 51 51 55 53 52 55 53 53 52 53 58 56 55 56 RH 63 43 42 53 78 86 93 90 59 42 38 53 70 80 86 90 61 45 41 52 Wind dir E E E E E E NE NE E E E NE E E NE NE E E NE N Wind spd 3 4 6 5 3 3 3 2 3 5 5 4 3 2 2 2 2 2 2 2 Clouds SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW CL FW FW FW PoP 12hr 0 0 0 0 5 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 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 56 78 47 64 47 69 48 72 Temp 60 57 78 63 54 47 62 60 48 51 68 64 53 49 69 66 Dewpt 54 53 59 56 51 44 43 41 41 43 48 48 46 45 49 49 PWind dir E W NW NW SW W W W Wind char LT GN GN GN LT GN LT LT Avg clouds FW FW SC B2 B2 SC SC SC SC B1 SC SC SC FW FW FW PoP 12hr 5 50 40 0 5 10 5 5 Rain shwrs S C C Tstms C S $$ ILZ106-312100- Joliet-Will IL 41.53N 88.12W Elev. 655 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 54 80 56 81 Temp 70 76 78 72 62 59 56 55 71 78 79 72 64 61 59 57 73 79 81 75 Dewpt 55 51 51 54 55 55 53 51 56 55 54 55 55 56 56 56 60 57 56 56 RH 59 42 39 53 78 87 90 86 59 45 42 55 73 84 90 96 64 47 42 52 Wind dir E E E E E E E E E E E E E NE NE NE E E NE N Wind spd 3 4 8 6 3 2 2 2 3 5 5 5 3 2 2 2 2 3 3 3 Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW CL FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 81 Max heat 80 80 81 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 79 49 64 46 69 48 71 Temp 62 58 79 64 56 49 62 59 48 50 68 63 55 49 69 66 Dewpt 56 55 59 57 53 47 45 41 42 45 50 48 47 46 50 49 PWind dir SE W NW NW SW W W W Wind char LT GN GN GN LT GN LT GN Avg clouds FW SC SC B2 B2 B1 SC SC SC B1 SC SC SC SC FW FW PoP 12hr 5 50 50 5 5 20 10 5 Rain shwrs L C S S S Tstms C S $$ ILZ023-312100- Kankakee-Kankakee IL 41.12N 87.86W Elev. 630 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 51 79 53 81 Temp 70 76 78 71 60 57 53 53 69 77 79 72 62 58 55 55 72 79 81 74 Dewpt 54 52 52 53 54 52 50 49 54 54 54 56 55 55 52 52 58 56 55 56 RH 57 43 40 53 81 83 89 86 59 45 42 57 78 90 90 90 61 45 41 53 Wind dir SE E E E E E E E E E E NE NE NE NE E E E NE NE Wind spd 3 5 6 6 3 2 2 2 3 5 5 4 3 2 2 2 2 2 2 2 Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW 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 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 55 80 48 64 45 69 47 72 Temp 60 56 80 65 56 48 63 59 47 49 68 64 53 49 70 65 Dewpt 54 53 58 58 54 47 45 42 41 43 49 48 46 45 50 49 PWind dir SE SW NW NW SW W W W Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC B1 B2 B1 SC SC SC SC B1 SC SC SC FW FW PoP 12hr 5 40 60 5 5 20 5 5 Rain shwrs C L C S Tstms S S $$ ILZ033-312100- Watseka-Iroquois IL 40.78N 87.73W Elev. 636 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 50 80 53 81 Temp 70 76 78 71 60 57 52 52 69 78 80 72 62 57 54 55 72 79 81 74 Dewpt 53 51 51 52 52 51 49 47 54 53 53 54 53 52 50 50 56 55 54 54 RH 55 42 39 51 75 80 89 83 59 42 39 53 72 83 86 83 57 44 39 50 Wind dir E E E E E E E E E E E E NE NE NE E E E E NE Wind spd 3 5 6 5 2 2 2 2 3 5 5 3 2 2 2 2 2 2 2 2 Clouds FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 80 81 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 81 48 65 44 70 47 73 Temp 60 56 80 67 56 48 64 59 47 48 68 65 52 50 71 66 Dewpt 52 52 55 57 54 47 44 40 39 41 47 46 45 44 49 48 PWind dir SE SW NW NW W W W W Wind char LT LT LT GN LT GN LT LT Avg clouds SC FW SC B1 B2 B1 B1 SC SC SC B1 SC SC FW FW FW PoP 12hr 5 30 60 5 5 10 5 5 Rain shwrs C L C Tstms S S $$ ILZ039-312100- Paxton-Ford IL 40.45N 88.10W Elev. 776 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 79 51 81 53 82 Temp 71 77 79 72 62 57 53 53 71 79 81 74 64 59 55 55 72 80 82 75 Dewpt 53 51 50 51 51 50 49 47 53 53 53 54 52 52 51 51 56 54 54 55 RH 53 40 36 48 67 77 86 80 53 41 38 50 65 78 86 86 57 41 38 50 Wind dir E E E E E E NE NE E E E E E NE NE NE E E E NE Wind spd 5 6 8 5 3 3 3 3 5 6 5 4 3 3 2 2 2 3 3 2 Clouds FW SC SC FW FW FW FW SC SC FW SC SC SC FW FW FW FW FW SC SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 80 81 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 55 81 49 66 45 72 48 75 Temp 60 56 81 69 57 49 65 61 47 49 70 67 53 51 73 68 Dewpt 53 53 56 57 54 48 43 41 39 41 48 47 45 44 49 48 PWind dir SE SW NW NW W W W W Wind char LT LT GN GN LT GN LT GN Avg clouds SC FW SC B1 B2 B1 SC SC SC SC SC SC FW FW FW FW PoP 12hr 5 30 60 5 5 10 5 5 Rain shwrs C L C Tstms S S S $$ INZ001-312100- Crown Point-Lake IN 41.42N 87.34W Elev. 697 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 52 78 54 79 Temp 69 75 76 68 60 57 54 54 69 76 77 69 62 59 56 56 73 78 79 71 Dewpt 54 51 52 54 54 52 49 48 54 54 56 57 57 55 52 52 57 56 56 57 RH 59 43 43 61 81 83 83 80 59 46 48 66 84 87 86 86 57 47 45 61 Wind dir SE E E NE NE E E E E E NE NE NE NE E E E E NE NE Wind spd 3 4 8 6 3 2 2 2 4 6 6 5 3 2 2 2 2 3 5 4 Clouds FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW CL FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 79 50 63 45 67 48 69 Temp 60 56 79 66 58 50 62 58 48 47 66 63 55 49 68 63 Dewpt 55 53 57 58 54 48 45 43 41 42 49 47 46 45 50 49 PWind dir SE SW NW NW SW W W W Wind char LT LT GN GN LT GN LT GN Avg clouds FW FW SC B1 B2 B1 SC SC SC SC B1 SC SC SC FW SC PoP 12hr 5 40 60 10 5 20 10 5 Rain shwrs C L C S S Tstms S S $$ INZ010-312100- Kentland-Newton IN 40.77N 87.45W Elev. 673 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 49 79 52 80 Temp 69 75 77 70 59 55 51 51 69 77 79 71 62 57 54 54 72 78 80 73 Dewpt 53 51 51 52 51 50 48 47 54 53 53 54 53 52 50 50 56 54 54 54 RH 57 43 40 53 75 83 89 86 59 43 41 55 72 83 86 86 57 43 41 51 Wind dir E E E NE NE E E E E E E E NE NE E E E E E E Wind spd 4 5 6 6 2 2 2 2 4 5 5 3 2 2 2 2 2 2 2 2 Clouds FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW 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 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 54 80 49 64 44 69 47 72 Temp 59 55 80 66 57 49 63 58 47 47 67 64 52 50 70 65 Dewpt 52 52 55 57 54 48 44 41 39 41 47 46 45 44 48 48 PWind dir SE SW NW NW W W W W Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC B1 B2 B1 B1 SC SC SC B1 SC SC FW FW FW PoP 12hr 5 30 60 5 5 10 10 5 Rain shwrs C L C Tstms S S $$ INZ011-312100- Rennsselaer-Jasper IN 40.94N 87.15W Elev. 661 ft 715 AM CDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 49 78 52 80 Temp 68 75 76 69 59 54 51 51 68 76 78 70 61 58 54 54 71 78 80 72 Dewpt 53 51 50 52 52 50 48 47 56 55 55 56 54 52 50 50 57 56 56 56 RH 59 43 40 55 78 86 89 86 65 48 45 61 78 80 86 86 61 47 44 57 Wind dir E E E NE NE NE E E E E E NE NE NE E E E E NE NE Wind spd 3 5 6 5 2 2 2 2 4 5 5 3 2 2 2 2 2 2 2 2 Clouds FW FW CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 80 49 63 44 68 47 71 Temp 59 55 79 64 57 49 63 57 46 47 65 65 53 49 69 64 Dewpt 53 52 57 58 54 49 46 43 40 41 49 48 46 44 50 50 PWind dir SE SW W NW W W W W Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC B1 B2 B1 B1 SC SC SC B1 SC FW FW FW FW PoP 12hr 5 30 60 10 5 10 10 5 Rain shwrs C L C Tstms S S $$ INZ019-312100- Fowler-Benton IN 40.62N 87.32W Elev. 812 ft 815 AM EDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 77 50 78 53 80 Temp 69 74 77 69 60 56 52 52 68 76 78 71 63 59 55 55 71 78 80 73 Dewpt 52 50 49 50 50 48 47 47 54 53 53 54 53 52 50 51 56 54 54 55 RH 55 43 37 51 69 74 83 83 61 45 42 55 70 78 83 86 59 43 41 53 Wind dir E E E E NE NE E E E E E E NE NE NE E E E E E Wind spd 4 6 8 6 2 2 2 3 4 5 5 3 2 2 2 2 2 2 2 2 Clouds CL FW FW FW FW FW FW FW FW FW FW 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 80 Max heat 80 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 55 80 50 64 45 69 48 72 Temp 60 56 79 67 58 50 63 58 47 48 67 65 52 50 70 66 Dewpt 53 53 55 57 55 49 44 42 40 41 47 46 45 44 48 48 PWind dir SE SW NW NW W W W W Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC B1 B2 B1 SC SC SC SC B1 SC SC FW FW FW PoP 12hr 5 30 70 5 5 10 10 5 Rain shwrs C L L Tstms S $$