


Point Forecast Matrices
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
211 FOUS53 KLOT 301315 PFMLOT Point Forecast Matrices National Weather Service Chicago/Romeoville IL 815 AM CDT Sat Aug 30 2025 ILZ104-302100- Chicago O`Hare International Airport-Cook IL 41.99N 87.91W Elev. 667 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 72 57 77 59 78 Temp 67 71 72 69 63 61 58 59 70 76 76 71 65 63 61 60 72 77 78 74 Dewpt 55 55 54 54 53 53 52 53 56 54 53 53 55 56 56 56 56 54 53 53 RH 65 57 53 59 70 75 80 80 61 46 45 53 70 78 84 87 57 45 42 48 Wind dir E E E NE NE NE N N E E E E NE E E NE E E E NE Wind spd 3 8 8 8 5 4 3 2 3 5 6 6 3 2 2 2 3 5 6 5 Clouds OV B2 B1 B1 FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 81 60 72 48 63 48 68 Temp 63 60 79 75 65 61 72 63 54 49 60 60 50 51 65 66 Dewpt 57 57 56 54 56 56 58 54 47 44 43 42 43 43 45 48 PWind dir NE E S W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC SC B2 B2 B1 SC SC SC SC SC SC SC PoP 12hr 0 5 10 60 30 10 10 10 Rain shwrs C L C S Tstms S C S $$ ILZ003-302100- Greater Rockford Airport-Winnebago IL 42.20N 89.11W Elev. 745 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 50 77 52 79 Temp 64 71 74 71 61 57 51 51 68 75 77 72 62 58 53 54 70 77 79 74 Dewpt 55 56 58 58 55 53 51 50 55 54 55 56 53 51 51 51 57 55 55 56 RH 73 59 57 63 81 86100 96 63 48 47 57 72 77 93 90 63 47 44 53 Wind dir E E E E E E E NE E E E E E E E E E E E E Wind spd 4 6 6 5 5 4 4 2 3 4 4 4 3 2 2 1 2 4 4 3 Clouds OV B2 B2 B1 FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 80 56 69 43 63 43 69 Temp 58 55 78 73 59 57 69 58 47 44 60 58 44 50 65 66 Dewpt 53 52 55 55 55 55 57 49 44 40 41 41 42 41 47 47 PWind dir E N SW NW NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC B1 B2 B2 SC SC SC SC SC SC SC SC PoP 12hr 5 10 30 50 20 5 10 10 Rain shwrs C C C S Tstms S C $$ ILZ104-302100- Chicago Midway Airport-Cook IL 41.78N 87.76W Elev. 612 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 72 59 76 60 77 Temp 66 71 72 69 64 62 60 60 71 75 76 71 65 63 62 61 72 77 77 73 Dewpt 53 54 54 54 54 53 53 54 55 54 53 54 56 57 56 56 56 55 54 55 RH 63 55 53 59 70 72 78 81 57 48 45 55 73 81 81 84 57 47 45 53 Wind dir E E E NE NE NE NE N E E NE NE NE E E E E E NE NE Wind spd 3 8 8 6 5 4 4 2 3 5 9 10 5 4 2 2 4 6 9 9 Clouds OV B2 B1 B1 FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 80 61 72 50 63 49 68 Temp 64 61 78 75 65 62 72 64 55 50 61 61 51 52 65 66 Dewpt 59 58 57 56 57 56 59 56 49 46 45 43 44 44 46 48 PWind dir NE E S W NW NW W W Wind char LT LT LT GN GN GN GN GN Avg clouds FW FW FW SC SC SC B1 B2 B2 B1 SC SC SC SC SC SC PoP 12hr 0 5 10 60 30 10 10 10 Rain shwrs C L C S Tstms S C S $$ ILZ021-302100- Morris-Grundy IL 41.43N 88.42W Elev. 569 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 53 78 54 80 Temp 64 72 75 71 62 58 55 54 69 77 78 72 61 58 56 56 70 78 80 73 Dewpt 53 54 56 57 55 53 52 51 58 57 57 56 54 54 52 53 57 57 56 56 RH 67 53 52 61 78 83 90 90 68 50 48 57 78 86 86 90 63 48 44 55 Wind dir E E E E E E NE NE E E E E E E E E E E E E Wind spd 3 5 4 4 4 4 4 2 3 4 4 4 3 2 2 2 3 5 5 4 Clouds B2 B2 B1 B1 SC FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 80 Max heat 80 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 81 57 73 46 65 45 70 Temp 59 56 79 75 61 59 73 62 52 47 63 60 47 50 68 67 Dewpt 54 55 58 57 55 55 61 55 48 44 45 43 42 42 47 49 PWind dir NE NE W W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC SC B1 B2 B1 SC SC SC SC SC SC SC PoP 12hr 0 5 10 50 30 5 5 5 Rain shwrs C C C S Tstms S C S $$ ILZ006-302100- Waukegan-Lake IL 42.42N 87.87W Elev. 745 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 72 55 74 58 75 Temp 67 71 72 67 60 58 56 57 69 74 73 69 63 62 59 60 72 75 75 70 Dewpt 55 55 54 53 53 52 51 52 59 58 57 57 56 55 55 56 60 59 58 57 RH 65 57 53 61 78 80 83 83 70 57 57 66 78 78 87 87 66 58 55 63 Wind dir E E E E NE NE N N NE E E E NE E E N E E E NE Wind spd 3 8 8 5 4 4 3 2 4 6 6 4 2 2 1 2 3 6 6 4 Clouds B2 B2 SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 77 59 70 47 62 48 67 Temp 62 60 76 72 64 60 70 60 52 48 60 60 50 51 65 65 Dewpt 57 57 59 59 57 57 60 54 47 44 45 44 43 44 48 49 PWind dir NE E SW W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC SC B2 B2 B1 SC SC SC SC SC SC SC PoP 12hr 0 5 20 60 30 10 10 10 Rain shwrs S L L C S Tstms S C $$ ILZ021-302100- Pontiac-Livingston IL 40.92N 88.63W Elev. 648 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 54 79 53 80 Temp 66 74 76 72 63 59 55 56 70 78 79 73 62 58 55 55 71 78 80 73 Dewpt 50 52 55 56 56 53 51 50 57 58 57 57 53 52 51 51 56 55 55 56 RH 56 46 48 57 78 80 86 80 63 50 47 57 72 80 86 86 59 45 42 55 Wind dir E E E E E E E E E E E E E E E E E E E NE Wind spd 3 5 4 4 5 5 4 2 3 4 5 4 4 3 2 2 4 5 5 4 Clouds B2 B1 B1 B1 SC FW FW SC FW FW FW FW SC SC FW SC FW FW FW SC PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 80 Max heat 80 80 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 82 57 75 46 65 45 71 Temp 58 55 80 75 63 58 75 62 50 47 64 60 47 48 68 68 Dewpt 53 54 58 57 54 54 61 58 48 44 46 44 41 41 48 50 PWind dir NE NE S W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC SC B1 B2 B1 B1 SC SC SC SC SC SC PoP 12hr 0 5 10 50 30 5 5 5 Rain shwrs C C C S Tstms S C S $$ INZ002-302100- Valparaiso-Porter IN 41.45N 87.00W Elev. 770 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 72 52 76 52 77 Temp 64 70 72 66 59 56 53 53 68 74 75 67 59 56 53 54 68 76 77 70 Dewpt 52 51 53 53 52 50 48 48 54 53 54 55 54 52 49 49 54 54 55 57 RH 65 51 51 63 78 80 83 83 61 48 48 65 83 86 86 83 61 46 47 63 Wind dir E E N N NE NE E E SE E NE N NE E E E E E NE N Wind spd 3 4 6 5 4 4 4 2 3 4 5 5 3 2 2 2 4 5 5 5 Clouds B2 B1 SC SC FW FW FW CL FW FW FW FW CL FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 79 56 74 49 62 45 67 Temp 60 56 78 72 61 57 74 62 55 49 60 58 47 48 65 63 Dewpt 55 52 56 57 54 54 58 57 51 47 45 44 42 41 45 48 PWind dir NE E SE W NW NW W W Wind char LT LT LT GN LT GN LT GN Avg clouds FW SC FW SC SC SC SC B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 5 10 50 40 10 5 10 Rain shwrs C C C C Tstms S S $$ ILZ005-302100- Woodstock-McHenry IL 42.31N 88.44W Elev. 950 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 49 76 53 78 Temp 63 71 72 68 58 53 49 52 68 75 76 69 59 56 54 55 70 77 77 71 Dewpt 56 57 58 57 54 51 48 49 58 57 57 56 53 52 52 53 59 57 56 56 RH 78 61 61 68 86 93 96 89 70 54 52 63 80 86 93 93 68 50 48 59 Wind dir E E E E E NE NE NE NE E E E E E N NE E E E E Wind spd 3 6 5 4 4 4 3 2 3 4 5 4 3 2 1 1 2 4 5 4 Clouds OV B2 B1 B1 FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 79 56 69 44 62 43 67 Temp 57 56 78 72 60 57 68 59 49 44 60 57 44 49 64 64 Dewpt 53 54 57 57 55 55 59 51 44 41 43 43 41 42 49 49 PWind dir NE W SW NW NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC SC B2 B2 SC SC SC SC SC SC SC SC PoP 12hr 0 5 20 60 30 10 10 10 Rain shwrs S L C C S Tstms S C $$ ILZ008-302100- Oregon-Ogle IL 42.01N 89.33W Elev. 697 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 49 77 52 79 Temp 64 72 74 71 60 55 51 50 68 75 77 72 62 58 54 54 70 77 79 73 Dewpt 55 56 58 59 57 52 51 50 56 56 56 56 53 50 51 51 58 56 56 57 RH 73 57 57 66 90 90100100 65 52 48 57 72 75 90 90 66 48 45 57 Wind dir E E E E E E E NE E E E NE E E E E E E E NE Wind spd 4 6 5 5 5 4 4 2 3 4 4 3 2 2 2 2 2 4 4 2 Clouds B2 B2 B2 B1 SC FW SC SC FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 53 80 56 69 43 63 43 69 Temp 58 54 78 73 60 57 69 58 47 44 61 59 44 49 66 67 Dewpt 52 52 56 56 54 55 58 50 44 41 42 42 41 41 48 49 PWind dir E N W NW NW NW W W Wind char LT LT LT GN LT GN LT GN Avg clouds FW FW FW SC SC SC B2 B2 SC SC SC SC SC SC SC SC PoP 12hr 5 5 20 50 20 5 10 5 Rain shwrs S C C S Tstms S C $$ ILZ011-302100- Sycamore-DeKalb IL 41.98N 88.69W Elev. 863 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 49 77 53 79 Temp 64 71 73 70 60 55 51 51 69 76 77 71 61 57 54 55 71 77 79 72 Dewpt 56 57 59 58 55 52 51 50 57 56 55 55 52 52 52 53 58 56 54 55 RH 75 61 62 66 84 90100 96 66 50 47 57 72 83 93 93 63 48 42 55 Wind dir E E E NE E E NE NE E E E E E E E NE E E E E Wind spd 4 6 5 4 4 4 4 2 3 3 4 4 3 2 2 2 2 4 4 4 Clouds OV B2 B2 B1 FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 80 56 69 44 63 44 68 Temp 57 55 78 73 60 57 69 59 49 44 61 57 45 49 66 65 Dewpt 53 53 56 56 54 54 59 51 45 41 42 42 41 41 47 48 PWind dir NE N W NW NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC FW SC B2 B2 SC SC SC SC SC SC SC SC PoP 12hr 5 5 20 50 20 5 10 10 Rain shwrs S C C S Tstms S C $$ ILZ010-302100- Dixon-Lee IL 41.85N 89.45W Elev. 697 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 75 49 78 53 79 Temp 65 72 75 70 60 55 52 50 68 76 78 73 63 58 54 55 71 78 79 74 Dewpt 54 56 59 60 58 54 52 50 58 58 57 58 54 51 51 52 59 57 57 58 RH 68 57 58 71 93 96100100 70 54 48 59 72 77 90 90 66 48 47 57 Wind dir E E E E E E E NE E E E E E E E E E E E E Wind spd 5 6 5 5 5 5 4 2 3 3 3 2 2 2 2 2 2 3 3 2 Clouds B2 B2 B2 B1 SC SC SC SC FW SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 80 Max heat 80 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 53 80 56 69 43 64 44 70 Temp 58 54 78 74 61 57 69 58 47 44 62 59 45 49 67 68 Dewpt 52 52 57 57 55 55 59 51 45 41 43 44 42 42 49 49 PWind dir E N W NW NW NW W W Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW SC SC SC B2 B2 SC SC SC SC SC SC SC SC PoP 12hr 5 5 20 50 20 5 5 5 Rain shwrs S C C S Tstms S C $$ ILZ012-302100- Geneva-Kane IL 41.88N 88.31W Elev. 727 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 53 78 55 80 Temp 64 71 74 70 62 58 54 55 70 76 78 71 61 58 56 57 72 78 79 73 Dewpt 55 56 56 56 54 53 50 51 58 56 55 54 53 54 54 54 58 55 54 54 RH 73 59 53 61 75 83 86 86 66 50 45 55 75 86 93 90 61 45 42 51 Wind dir E E E NE NE NE NE NE E E E E E E NE NE E E E E Wind spd 3 6 6 6 4 4 3 2 3 4 5 5 3 2 2 2 3 5 5 5 Clouds OV B2 B2 B1 FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 80 Max heat 80 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 81 57 71 45 63 45 69 Temp 59 57 80 73 62 58 70 62 51 46 61 59 46 50 66 66 Dewpt 54 55 57 56 55 55 60 53 46 42 44 42 42 42 47 48 PWind dir NE E W W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC SC B2 B2 B1 SC SC SC SC SC SC SC PoP 12hr 0 5 20 60 30 10 10 10 Rain shwrs S C L C S Tstms S C $$ ILZ020-302100- Yorkville-Kendall IL 41.64N 88.45W Elev. 618 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 52 78 54 79 Temp 64 71 74 70 62 58 54 53 68 76 78 72 61 57 56 56 70 77 79 73 Dewpt 53 55 57 57 55 53 51 50 58 57 56 55 52 54 53 53 57 56 55 55 RH 67 57 55 63 78 83 90 89 70 52 47 55 72 90 90 90 63 48 44 53 Wind dir E E NE NE E NE NE NE E E E E E E NE NE E E E E Wind spd 3 6 4 5 4 4 4 2 3 4 4 4 3 2 2 2 2 5 5 4 Clouds B2 B2 B2 B1 SC FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 80 Max heat 80 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 57 72 45 64 45 70 Temp 58 56 79 75 62 58 72 62 51 46 62 60 46 50 67 67 Dewpt 54 54 57 56 55 54 60 54 47 43 44 42 42 41 47 48 PWind dir NE E W W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW SC FW FW SC SC B1 B2 B1 SC SC SC SC SC SC SC PoP 12hr 0 5 10 50 30 5 5 10 Rain shwrs C C C Tstms S C $$ ILZ013-302100- Wheaton-DuPage IL 41.86N 88.11W Elev. 752 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 56 78 57 79 Temp 65 72 74 70 63 60 57 58 70 76 77 72 64 61 59 59 72 78 79 74 Dewpt 55 55 55 55 54 54 53 52 56 55 53 52 54 56 55 55 56 54 53 52 RH 70 55 51 59 72 81 86 80 61 48 43 49 70 84 87 87 57 43 41 46 Wind dir E E E NE NE NE N NE E E E E E E E NE E E E E Wind spd 3 6 6 5 4 4 3 2 3 5 5 6 4 2 2 2 3 5 6 5 Clouds OV B2 B1 B1 FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 81 59 71 47 63 47 68 Temp 62 59 80 75 63 60 71 63 53 48 61 60 48 50 65 66 Dewpt 56 57 55 54 56 56 59 53 47 43 43 42 42 42 46 48 PWind dir NE E SW W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC SC B2 B2 B1 SC SC SC SC SC SC SC PoP 12hr 0 5 10 60 30 10 10 10 Rain shwrs C L C S Tstms S C S $$ ILZ019-302100- Ottawa-LaSalle IL 41.35N 88.84W Elev. 494 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 54 78 53 79 Temp 65 73 76 72 63 59 55 55 70 77 78 72 62 58 55 55 71 77 79 73 Dewpt 52 53 56 57 57 53 52 52 57 56 55 56 53 52 51 51 56 55 54 55 RH 63 49 50 59 81 80 90 90 63 48 45 57 72 80 86 86 59 47 42 53 Wind dir E E E E E E NE NE E E E E E E E NE E E E E Wind spd 4 6 5 4 5 5 4 3 3 4 4 3 3 3 2 2 3 5 5 4 Clouds B2 B2 B1 B1 SC FW FW SC FW FW FW FW FW FW SC FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 80 Max heat 80 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 57 72 46 64 45 70 Temp 58 56 79 75 62 59 72 62 51 47 62 59 47 50 67 68 Dewpt 52 53 56 56 54 54 59 54 47 42 44 43 42 41 46 49 PWind dir NE NE W W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW FW SC SC B1 B2 B1 SC SC SC SC SC SC SC PoP 12hr 0 5 10 50 20 5 5 5 Rain shwrs C C S Tstms S C $$ ILZ106-302100- Joliet-Will IL 41.53N 88.12W Elev. 655 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 54 78 55 79 Temp 64 72 75 70 63 59 56 55 69 76 78 71 62 59 57 56 70 77 79 72 Dewpt 53 54 56 56 55 53 52 51 58 57 56 55 54 55 54 53 57 56 55 55 RH 67 53 52 61 75 80 86 86 68 52 47 57 75 87 90 90 63 48 44 55 Wind dir E E E E NE NE NE E E E E E E E E E E E E NE Wind spd 3 5 5 5 4 4 3 2 3 4 4 5 3 2 2 2 3 5 5 4 Clouds B2 B2 B1 B1 SC FW FW SC CL FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 81 57 73 47 64 46 70 Temp 60 57 80 74 61 59 73 62 53 47 62 59 47 50 67 66 Dewpt 56 56 58 56 56 55 60 55 49 44 45 43 43 43 47 49 PWind dir NE E SW W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW SC FW SC SC SC B1 B2 B1 B1 SC SC SC SC SC SC PoP 12hr 0 5 10 60 30 10 5 10 Rain shwrs C L C S Tstms S C S $$ ILZ023-302100- Kankakee-Kankakee IL 41.12N 87.86W Elev. 630 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 52 78 52 79 Temp 64 72 74 70 62 57 54 54 69 76 78 71 60 57 54 53 69 76 79 72 Dewpt 53 53 55 56 54 52 50 49 56 55 55 55 54 53 50 50 55 55 55 55 RH 67 51 51 61 75 83 86 83 63 48 45 57 81 86 86 89 61 48 44 55 Wind dir E E NE NE NE NE E E E E E NE E E E E E E NE NE Wind spd 3 5 5 5 5 4 4 2 2 3 4 4 3 2 2 2 3 5 5 4 Clouds B2 B1 B1 B1 SC FW FW FW CL FW CL FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 81 56 75 46 64 44 69 Temp 59 55 79 73 61 58 75 60 52 46 62 59 47 47 66 66 Dewpt 55 53 57 56 54 54 59 57 50 45 46 44 42 41 47 49 PWind dir NE NE SE W NW NW W W Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW FW SC SC SC B1 B2 B1 B1 SC SC SC SC SC SC PoP 12hr 0 5 10 50 30 10 5 5 Rain shwrs C C C S Tstms S S $$ ILZ033-302100- Watseka-Iroquois IL 40.78N 87.73W Elev. 636 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 52 78 51 79 Temp 64 71 74 70 62 59 54 53 69 76 78 71 60 56 53 53 69 77 79 72 Dewpt 51 52 54 55 54 52 50 49 55 53 52 53 52 50 49 48 53 53 53 54 RH 63 51 50 59 75 78 86 86 61 45 40 53 75 80 86 83 57 43 41 53 Wind dir E E NE NE NE E E NE E E E E NE E E E E E E NE Wind spd 2 4 4 4 4 4 4 2 2 3 3 3 2 2 2 2 3 5 4 3 Clouds B2 B1 B1 SC SC FW FW FW FW FW FW FW FW FW SC SC FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 80 Max heat 80 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 81 56 77 46 64 43 70 Temp 59 54 79 73 61 58 77 62 53 46 62 60 46 47 68 67 Dewpt 53 51 56 54 53 53 58 56 50 45 45 42 41 40 45 47 PWind dir NE E SE W NW NW W W Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW SC SC SC SC SC B2 B1 B1 B1 SC SC SC SC SC PoP 12hr 0 5 10 50 40 10 5 5 Rain shwrs C C C S Tstms S S $$ ILZ039-302100- Paxton-Ford IL 40.45N 88.10W Elev. 776 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 54 79 52 80 Temp 65 74 76 71 62 60 55 56 71 77 79 72 61 57 53 54 70 78 80 74 Dewpt 51 53 54 55 55 53 51 50 55 54 53 53 51 50 49 49 54 53 53 53 RH 60 48 46 57 78 78 86 80 57 45 41 51 70 77 86 83 57 42 39 48 Wind dir E E NE NE NE E E E E E E E E E E NE E E E E Wind spd 2 6 5 4 5 5 5 2 4 5 5 4 3 3 3 3 4 5 5 4 Clouds B2 B1 B1 SC SC SC FW FW CL FW FW FW FW SC SC SC FW FW SC FW PoP 12hr 10 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 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 82 56 78 46 66 44 72 Temp 59 55 80 74 62 59 77 63 52 47 64 61 47 47 69 68 Dewpt 52 52 56 54 53 53 58 57 49 44 45 43 41 41 46 48 PWind dir NE E SE W NW NW W W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC SC SC B2 B1 B1 SC SC SC SC SC SC PoP 12hr 0 5 10 50 30 10 5 5 Rain shwrs S C C S Tstms S S $$ INZ001-302100- Crown Point-Lake IN 41.42N 87.34W Elev. 697 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 51 76 52 77 Temp 63 71 73 66 59 56 52 53 68 75 76 68 60 58 54 54 69 75 77 70 Dewpt 53 53 55 54 53 51 49 49 55 54 55 56 55 53 51 50 55 55 56 57 RH 70 53 53 65 80 83 89 86 63 48 48 65 84 83 90 86 61 50 48 63 Wind dir E E NE NE NE E E E E E NE NE NE E E E E E NE NE Wind spd 3 4 6 5 4 4 3 2 3 4 5 5 3 2 2 2 3 5 6 5 Clouds B2 B1 SC SC FW FW FW FW CL FW FW CL FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 79 56 74 48 62 45 68 Temp 60 55 78 72 61 57 74 61 55 48 61 57 47 47 66 64 Dewpt 56 53 57 57 54 54 59 57 50 46 46 44 42 41 46 48 PWind dir NE E SE W NW NW W W Wind char LT LT LT GN LT GN LT GN Avg clouds FW SC FW SC FW SC SC B2 B1 B1 SC B1 SC SC SC SC PoP 12hr 0 5 10 50 40 10 5 10 Rain shwrs C C C S Tstms S S $$ INZ010-302100- Kentland-Newton IN 40.77N 87.45W Elev. 673 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 51 77 51 79 Temp 62 71 74 69 63 59 53 53 69 75 77 69 59 56 52 52 69 76 79 71 Dewpt 51 51 54 55 54 51 49 48 54 52 52 53 52 50 48 47 53 53 53 54 RH 67 49 50 61 72 75 86 83 59 45 42 57 78 80 86 83 57 45 41 55 Wind dir E NE NE NE NE NE E E E E E NE NE E E E E E E NE Wind spd 2 4 4 4 5 4 4 2 2 3 4 2 2 2 2 2 3 5 5 3 Clouds B2 B1 SC SC SC FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 53 80 55 76 46 63 43 69 Temp 58 54 79 72 60 57 76 62 54 46 62 58 46 47 67 65 Dewpt 53 51 55 55 53 53 57 57 50 45 45 43 41 40 45 47 PWind dir NE E SE W NW NW W W Wind char LT LT LT LT LT GN LT LT Avg clouds FW SC SC SC SC SC SC B2 B1 B1 B1 SC SC SC SC SC PoP 12hr 0 5 10 50 40 10 5 5 Rain shwrs S C C C Tstms S S $$ INZ011-302100- Rennsselaer-Jasper IN 40.94N 87.15W Elev. 661 ft 815 AM CDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 50 76 50 78 Temp 62 71 74 69 61 56 52 52 68 74 76 68 59 55 52 52 68 75 78 71 Dewpt 52 52 54 54 53 50 48 47 55 53 54 54 53 50 48 48 54 54 55 56 RH 70 51 50 59 75 80 86 83 63 48 46 61 80 83 86 86 61 48 45 59 Wind dir E NE NE NE NE NE E E E E E NE NE E E E E E NE NE Wind spd 2 3 4 4 4 4 3 2 2 4 4 3 2 2 2 2 3 5 5 3 Clouds B2 B1 SC SC SC FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 80 55 76 47 62 43 68 Temp 58 54 78 72 60 57 76 63 54 47 61 57 46 47 66 64 Dewpt 53 51 56 56 53 54 58 58 51 46 46 44 42 40 46 48 PWind dir NE E SE W NW NW W W Wind char LT LT LT LT LT GN LT LT Avg clouds FW SC FW SC SC SC SC B2 B2 B1 B1 SC SC SC SC SC PoP 12hr 0 5 10 50 40 10 5 5 Rain shwrs S C C S Tstms S S $$ INZ019-302100- Fowler-Benton IN 40.62N 87.32W Elev. 812 ft 915 AM EDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 74 52 77 51 78 Temp 62 71 74 70 63 58 54 53 68 75 76 69 60 56 53 53 68 75 78 71 Dewpt 51 52 53 54 53 50 49 48 54 52 52 53 51 49 48 48 53 53 54 54 RH 67 51 48 57 70 75 83 83 61 45 43 57 72 77 83 83 59 46 43 55 Wind dir E NE NE NE NE NE E E E E E E NE E E NE E E E E Wind spd 2 4 5 4 4 4 4 2 2 4 4 2 2 2 2 2 3 5 4 2 Clouds B2 B1 SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 54 79 56 77 47 63 44 69 Temp 58 55 77 72 60 58 76 64 55 47 61 59 47 47 66 65 Dewpt 52 52 56 56 53 54 57 57 51 46 45 43 41 40 45 47 PWind dir NE SE SE W NW NW NW W Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW SC SC SC SC SC B2 B2 B1 B1 SC SC SC SC SC PoP 12hr 0 5 10 40 40 10 5 5 Rain shwrs S C C C Tstms S $$