Area Forecast Matrices
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
558 FOUS53 KLSX 181541 AFMLSX Area Forecast Matrices National Weather Service Saint Louis MO 1040 AM CDT Fri Sep 18 2026 ILZ100-101-MOZ061-063-064-182100- Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO- Saint Louis City MO- Including the cities of Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 95 73 97 73 92 Temp 94 95 89 80 78 75 73 85 94 96 91 82 78 74 72 83 90 92 85 Dewpt 74 72 73 73 72 71 69 70 68 66 66 66 66 64 64 68 69 68 69 RH 53 48 59 79 82 87 87 61 43 38 44 58 67 71 76 61 50 46 59 Wind dir SE SE E SE SE S S SW W SW S S S SW W W W NW N Wind spd 2 2 3 3 3 3 3 5 6 6 3 3 3 3 3 4 5 5 3 Clouds CL FW FW FW FW FW SC SC SC B2 B2 B1 SC SC SC SC B1 B1 B1 PoP 12hr 30 20 5 5 20 QPF 12hr 0.00-0.16 0.00-0.09 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C Tstms S S S C Heat index 104104 97 84 89 98100 93 84 86 95 96 89 Max heat 109 109 98 87 103 104 94 82 98 100 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 67 81 60 72 55 75 54 76 Temp 72 67 79 75 65 61 70 69 59 56 72 69 59 55 74 72 Dewpt 69 67 70 67 63 60 62 58 56 55 59 57 57 55 60 59 PWind dir NE N N N N N N N Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 60 70 30 5 0 0 0 5 Rain shwrs C L L L C C Tstms C C S C S S $$ MOZ049-182100- Osage MO- 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 73 98 72 91 Temp 93 95 87 79 77 75 73 84 94 97 90 80 77 73 71 81 88 90 84 Dewpt 72 71 72 72 70 68 65 66 66 65 64 63 64 63 63 66 68 69 69 RH 51 46 61 79 79 79 76 55 40 35 42 56 64 71 76 60 52 50 61 Wind dir SW SW SE SE S S S SW SW SW S S S SW W W W W N Wind spd 2 3 2 3 3 4 4 6 8 6 3 3 3 4 3 4 5 4 3 Clouds CL FW FW FW FW SC B1 SC B2 B1 SC SC SC SC B1 SC B1 B1 B2 PoP 12hr 30 10 5 10 20 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S L Tstms S S C Heat index 102103 94 80 86 97100 91 81 83 92 94 87 Max heat 106 107 91 100 103 88 94 97 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 78 59 71 53 73 54 75 Temp 71 67 75 72 64 60 68 67 58 54 71 68 58 54 72 70 Dewpt 70 67 71 67 63 59 62 58 56 54 58 57 56 54 60 60 PWind dir NE N N N NE NE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 70 70 20 5 0 0 5 5 Rain shwrs L L L L S S Tstms C C S C $$ MOZ042-182100- Audrain MO- Including the city of Mexico 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 90 71 93 68 84 Temp 90 90 85 77 75 73 72 82 90 93 87 78 74 71 69 78 83 84 78 Dewpt 74 72 74 73 71 69 66 67 67 66 67 66 67 66 66 69 69 70 71 RH 60 56 70 87 87 87 81 61 47 41 52 67 79 84 90 74 63 63 79 Wind dir S SW SE SE S S SW SW SW SW S S S W NW W W NW N Wind spd 4 4 3 4 4 5 5 9 11 10 3 3 3 3 2 5 6 6 5 Clouds CL FW FW FW FW SC B1 B1 B2 B2 B1 SC B1 B1 B2 B1 B1 B2 B2 PoP 12hr 20 10 5 30 50 QPF 12hr 0 0 0 0.01 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C L Tstms S S S S C Heat index 99 98 93 85 93 96 90 87 89 Max heat 101 102 91 95 98 88 90 91 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 71 54 66 49 70 51 71 Temp 68 62 69 67 60 56 64 62 55 51 68 64 56 52 69 67 Dewpt 68 62 68 66 60 56 59 58 55 51 57 58 56 52 60 61 PWind dir NE N N N NE NE NE NE Wind char LT GN GN GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC B1 SC PoP 12hr 70 60 30 5 0 0 5 5 Rain shwrs L L L C C S Tstms C C S S $$ MOZ050-182100- Callaway MO- Including the city of Fulton 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 71 95 70 87 Temp 92 93 86 79 76 73 72 82 92 95 88 79 75 72 70 79 85 87 81 Dewpt 73 72 73 72 70 68 66 67 67 65 65 65 66 65 65 68 69 70 70 RH 54 51 65 79 82 84 81 61 44 37 47 62 74 79 84 69 59 57 69 Wind dir S SW SE SE SE S S SW SW SW S S S W W W W W N Wind spd 3 4 2 3 3 4 4 6 9 8 3 3 3 3 3 4 5 5 3 Wind gust 17 Clouds CL FW FW FW FW SC B1 B1 B2 B2 B1 FW SC B1 B1 B1 B1 B1 B2 PoP 12hr 30 10 5 20 40 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C L Tstms S S S S C Heat index 101101 93 85 95 98 90 80 80 90 92 83 Max heat 106 107 91 99 103 88 93 97 Heat Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 74 57 68 51 72 52 73 Temp 69 65 72 69 62 58 66 64 56 53 69 66 57 53 71 68 Dewpt 69 65 70 66 62 58 61 58 55 52 58 57 56 53 60 60 PWind dir NE N N N NE NE NE NE Wind char LT LT LT GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC SC B1 SC PoP 12hr 70 60 30 5 0 0 5 10 Rain shwrs L L L C C S Tstms C C S C $$ MOZ047-048-182100- Moniteau MO-Cole MO- Including the city of Jefferson City 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 96 74 99 72 90 Temp 93 96 90 80 78 76 74 84 94 98 92 81 77 74 72 80 87 89 83 Dewpt 72 71 71 71 70 67 65 66 66 66 65 65 65 65 65 67 69 70 70 RH 51 45 54 74 76 74 74 55 40 35 41 58 67 74 79 65 55 54 65 Wind dir SW SW SE SE S S SW SW SW SW S S SW SW W W W W N Wind spd 3 3 2 2 2 3 3 5 8 6 2 2 2 2 2 3 4 4 2 Wind gust 16 Clouds CL CL FW FW FW SC SC B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B2 PoP 12hr 20 10 0 20 40 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C D Tstms S S S S C Heat index 101104 97 83 86 97101 94 82 82 92 95 87 Max heat 105 107 94 100 104 92 94 98 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 78 59 71 54 74 55 76 Temp 71 67 74 72 63 60 68 67 58 54 71 69 59 55 73 71 Dewpt 70 67 70 67 63 59 62 59 57 54 58 58 57 55 61 61 PWind dir NE N N N NE NE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC SC B1 SC PoP 12hr 80 60 20 5 0 0 5 10 Rain shwrs D L L C S Tstms C C C C $$ MOZ041-182100- Boone MO- Including the city of Columbia 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 73 96 70 86 Temp 91 93 88 80 77 75 73 83 92 95 90 80 76 72 71 78 84 86 80 Dewpt 73 72 73 72 70 68 66 67 67 66 66 66 66 66 66 69 70 71 71 RH 56 51 61 77 79 79 79 59 44 39 45 62 71 81 84 74 63 61 74 Wind dir S SW SE SE SE S S SW SW SW S S SW W W W W NW N Wind spd 4 4 2 3 3 4 4 6 10 9 4 3 3 3 2 4 5 5 4 Wind gust 18 Clouds CL FW FW FW FW SC B1 B2 B2 B2 B1 SC SC B1 B1 B1 B1 B2 B2 PoP 12hr 20 10 5 30 50 QPF 12hr 0 0 0 0.01 0.00-0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C L Tstms S S S S C Heat index 100101 95 83 86 95 98 92 82 88 91 82 Max heat 105 106 93 99 104 91 93 96 Heat Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 74 57 68 52 72 53 73 Temp 70 65 71 69 62 59 66 64 56 53 69 66 58 54 71 69 Dewpt 69 65 70 66 62 57 61 58 56 53 58 58 56 54 60 61 PWind dir NE N N N NE NE NE NE Wind char LT LT LT GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC SC B1 SC PoP 12hr 70 60 20 5 0 0 5 10 Rain shwrs L L L C S Tstms C C S S $$ ILZ095>097-MOZ018-019-026-027-034>036-182100- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 88 72 93 69 82 Temp 84 87 83 76 75 73 72 81 88 91 86 78 74 71 69 76 81 81 75 Dewpt 75 75 75 73 72 71 69 71 70 70 70 69 69 69 68 71 71 72 71 RH 74 68 77 90 90 93 90 72 55 50 59 74 84 93 97 85 72 74 87 Wind dir SE SE E SE SE S S SW SW SW S S SE N NW NW NW N N Wind spd 5 4 3 4 4 4 4 6 8 6 3 3 2 2 2 4 4 5 6 Wind gust 16 16 16 14 18 19 17 17 Clouds FW FW FW SC SC SC B1 B1 B2 B2 B1 SC B1 B2 B2 B2 B2 B2 B2 PoP 12hr 10 10 5 50 50 QPF 12hr 0.00-0.05 0 0 0.00-0.94 0.03-0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L C C L Tstms C S S S C Heat index 90 97 91 84 94 97 91 83 83 Max heat 102 105 94 99 103 93 94 95 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 69 55 65 50 69 52 71 Temp 67 62 68 66 60 57 63 62 55 52 67 64 57 53 69 67 Dewpt 67 62 66 64 60 56 59 58 55 51 57 58 56 53 60 61 PWind dir NE NE N NE NE NE NE N Wind char LT GN LT GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC B1 B1 SC PoP 12hr 70 70 20 10 0 0 5 5 Rain shwrs L L L C S S Tstms C C S S S $$ ILZ069-070-074-182100- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 71 97 72 93 Temp 94 95 88 78 75 73 72 85 94 96 89 80 76 74 72 84 91 93 86 Dewpt 73 72 73 74 73 72 71 71 68 66 66 66 65 64 64 67 67 66 67 RH 51 48 61 88 94 97 97 63 43 38 47 62 69 71 76 57 45 41 53 Wind dir NW N E SE SE SE S SW W SW S S S S SW W W W N Wind spd 0 1 2 3 2 2 2 4 5 5 2 2 2 3 2 3 4 4 2 Clouds CL FW SC SC FW FW FW FW FW SC B1 SC SC SC SC SC SC SC B1 PoP 12hr 30 20 5 5 10 QPF 12hr 0.00-0.07 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S S S S Heat index 104103 95 90 99 99 92 82 86 95 96 89 Max heat 107 107 96 85 102 102 92 83 97 100 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 84 60 74 55 75 54 77 Temp 72 67 82 77 66 61 72 70 60 56 73 70 59 55 74 72 Dewpt 69 67 69 67 64 60 61 58 57 56 58 57 57 55 58 58 PWind dir NE N N N N N N N Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 40 60 30 10 0 0 0 5 Rain shwrs S C C L C C S Tstms S C C S S S $$ MOZ074-084-085-099-182100- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 96 70 97 70 95 Temp 95 95 86 79 75 72 70 85 95 96 87 79 75 72 70 84 93 94 86 Dewpt 70 70 70 70 68 66 64 67 64 63 62 62 62 61 60 64 64 65 65 RH 45 45 59 74 79 81 81 55 36 34 43 56 64 68 71 51 38 39 50 Wind dir SW SW S S S S SW SW SW SW S S SW SW SW W W W NW Wind spd 2 2 1 1 1 1 2 3 4 4 2 2 2 2 1 2 3 3 1 Wind gust 11 12 13 13 12 13 12 12 Clouds FW SC SC FW FW FW FW FW SC SC SC SC FW FW SC SC SC SC SC PoP 12hr 20 10 0 0 10 QPF 12hr 0.00-0.13 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 102102 91 87 97 97 88 80 85 95 97 88 Max heat 107 109 93 101 104 89 98 102 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 67 86 61 75 54 75 53 77 Temp 72 67 84 78 67 62 72 70 60 55 73 69 58 54 74 71 Dewpt 67 66 70 70 66 62 64 61 58 55 59 58 57 54 60 60 PWind dir N N N N N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 SC B1 B1 B1 SC SC SC FW SC SC SC SC PoP 12hr 20 70 20 10 0 0 0 5 Rain shwrs S S S L S S Tstms S S C S $$ MOZ060-182100- Warren MO- 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 71 96 70 90 Temp 93 94 88 79 76 73 72 83 92 96 90 80 76 72 70 80 88 89 83 Dewpt 75 73 73 73 72 70 68 69 68 67 66 66 66 65 65 69 70 70 70 RH 56 51 61 82 87 90 87 63 46 39 45 62 71 79 84 69 55 54 65 Wind dir S SW E SE S S SW SW SW SW S S S SW W W W NW N Wind spd 1 1 0 1 1 2 2 3 5 3 1 1 1 2 1 2 3 2 1 Wind gust 13 Clouds CL FW FW FW FW FW SC B1 B1 B2 B2 SC SC B1 B1 SC B1 B1 B1 PoP 12hr 30 10 5 10 20 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C Tstms S S S C Heat index 103103 96 81 86 97100 92 82 83 92 94 87 Max heat 107 109 93 99 102 88 96 99 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 77 57 70 52 73 52 74 Temp 70 65 75 72 63 59 67 67 57 54 70 68 58 53 72 70 Dewpt 70 65 71 66 63 59 61 57 56 53 58 56 57 53 60 59 PWind dir NE N N N N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 70 70 30 5 0 0 0 5 Rain shwrs C L L L C S Tstms C C S C S $$ MOZ051-052-182100- Montgomery MO-Lincoln MO- 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 92 71 95 70 88 Temp 92 92 88 79 76 73 72 83 92 95 89 80 76 72 70 80 87 88 82 Dewpt 75 73 73 73 72 70 68 69 68 66 66 66 67 66 66 69 70 70 70 RH 58 54 61 82 87 90 87 63 46 39 47 62 74 81 87 69 57 55 67 Wind dir SE S E SE SE S S SW SW SW S S S W W NW W W N Wind spd 3 2 2 2 2 3 3 5 6 5 2 1 2 2 2 3 4 4 3 Wind gust 16 18 16 Clouds CL FW FW FW FW FW SC SC B2 B2 B1 SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 30 10 5 20 30 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C C Tstms S S S S S C Heat index 102102 96 80 86 96 99 92 81 82 91 93 85 Max heat 106 107 95 100 103 91 96 97 Heat Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 75 57 69 51 73 52 74 Temp 69 64 73 71 62 58 66 66 57 53 70 67 57 53 71 70 Dewpt 69 64 70 65 62 58 60 57 56 53 58 56 57 53 60 59 PWind dir NE N N N N N N N Wind char LT LT LT GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 70 70 30 5 0 0 0 5 Rain shwrs C L L L C S Tstms C C S C S $$ ILZ058-059-098-099-182100- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 70 96 70 89 Temp 90 92 86 77 75 73 71 83 92 94 88 79 75 72 70 81 88 88 81 Dewpt 73 72 73 73 72 71 69 70 67 66 66 66 67 66 66 68 68 68 68 RH 58 52 65 87 90 93 93 65 44 40 48 64 76 81 87 65 52 52 65 Wind dir E E E SE SE S S SW SW SW S S S SW SW NW NW NW N Wind spd 3 3 4 5 4 4 4 5 6 6 3 3 3 3 2 3 4 5 5 Clouds CL FW SC FW FW FW SC SC SC B2 B1 SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 20 20 5 20 30 QPF 12hr 0.00-0.05 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C C Tstms S S S S S C Heat index 99100 93 87 96 98 91 80 84 91 92 83 Max heat 106 106 96 100 101 93 95 97 Heat Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 77 56 70 51 73 52 75 Temp 68 64 75 71 62 58 68 66 57 53 71 68 57 53 73 70 Dewpt 67 64 66 64 61 57 57 55 54 52 55 55 56 53 57 57 PWind dir NE N N N N N N N Wind char LT LT LT GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 60 70 30 5 0 0 0 5 Rain shwrs C L L L C S Tstms C C S C S S $$ ILZ060-065-182100- Montgomery IL-Fayette IL- Including the cities of Litchfield and Vandalia 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 92 69 95 70 90 Temp 91 92 86 77 74 72 70 83 92 94 88 79 74 72 70 82 89 89 82 Dewpt 73 72 72 72 72 71 70 71 68 66 66 66 66 65 65 68 67 67 67 RH 56 52 63 85 93 97100 67 46 40 48 64 76 79 84 63 48 48 61 Wind dir E NE E E SE SE S SW SW SW S S S S SW W NW NW N Wind spd 2 3 4 4 3 3 3 5 5 5 2 2 2 3 2 3 4 5 4 Clouds FW FW SC SC SC SC SC FW SC SC B2 SC SC SC SC SC B1 B1 B1 PoP 12hr 30 20 5 10 30 QPF 12hr 0.00-0.06 0.00-0.07 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C C Tstms S S S S C Heat index 99 99 92 88 97 98 91 85 93 93 84 Max heat 105 105 94 85 99 101 91 83 95 97 Heat Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 79 57 71 52 74 52 75 Temp 69 64 77 73 63 59 69 67 57 54 72 68 57 53 73 70 Dewpt 67 64 67 63 60 57 58 54 54 53 56 54 55 53 57 55 PWind dir NE NE N N N N N N Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 60 70 30 20 0 0 0 5 Rain shwrs C L L L C S S Tstms C C S C S S S $$ ILZ064-182100- Bond IL- 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 70 96 71 91 Temp 93 93 87 78 75 73 71 84 93 95 89 80 76 73 71 83 90 91 84 Dewpt 74 73 73 74 73 72 70 72 69 66 67 66 65 65 64 68 68 68 68 RH 54 52 63 88 94 97 97 67 46 39 48 62 69 76 79 61 49 47 59 Wind dir E NE E E SE SE S SW W SW S S S S SW W W NW N Wind spd 2 2 3 4 2 2 2 4 5 5 2 2 2 2 2 3 4 5 3 Clouds CL FW SC SC FW FW SC FW SC SC B2 SC SC SC SC SC SC B1 B1 PoP 12hr 30 20 5 5 20 QPF 12hr 0.01 0.01 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C Tstms S S S C Heat index 103102 95 90 98 99 92 81 86 94 95 87 Max heat 106 106 92 102 102 88 96 97 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 81 58 72 53 75 53 76 Temp 70 66 79 75 64 60 71 68 59 55 73 69 58 54 74 71 Dewpt 68 66 69 65 62 59 60 56 55 54 58 55 56 54 58 57 PWind dir NE N N N N N N N Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 70 30 10 0 0 0 5 Rain shwrs C C L L C S S Tstms C C S C S S S $$ ILZ079-MOZ075-182100- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 96 70 97 72 95 Temp 95 96 89 79 76 73 71 85 95 97 90 81 77 74 72 84 93 94 88 Dewpt 72 72 72 73 71 70 67 70 67 66 65 64 63 61 61 66 66 67 67 RH 48 46 57 82 85 90 87 61 40 36 44 56 62 64 68 55 41 41 50 Wind dir W S SE SE S S S SW W SW S S SW SW SW W W W N Wind spd 2 2 2 2 2 3 3 4 5 5 3 4 3 4 3 4 4 4 2 Clouds CL FW SC SC FW FW FW FW SC SC B1 SC SC FW SC SC SC SC B1 PoP 12hr 30 20 5 0 10 QPF 12hr 0.00-0.05 0.00-0.10 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 105105 97 81 89 99100 92 83 86 96 98 91 Max heat 109 109 95 102 105 90 99 102 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 67 85 60 74 54 76 53 77 Temp 73 68 83 79 67 62 72 71 61 56 73 71 59 54 74 73 Dewpt 68 67 71 70 66 61 64 61 58 55 60 58 57 54 60 60 PWind dir N N N N N N N N Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 60 30 10 0 0 0 5 Rain shwrs C C L C C Tstms S C S S $$ MOZ059-062-072-073-182100- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 71 97 71 92 Temp 94 94 86 79 76 73 71 85 94 96 88 80 76 73 71 83 90 92 84 Dewpt 73 72 73 72 70 67 65 68 66 65 64 63 63 61 61 66 67 68 69 RH 51 49 65 79 82 81 81 57 40 36 45 56 64 66 71 57 47 46 61 Wind dir W SW SE SE S S SW SW SW SW S S SW SW SW W W NW N Wind spd 2 2 1 1 2 3 3 4 5 4 2 2 2 3 2 3 4 3 2 Wind gust 14 13 12 13 12 Clouds CL FW FW FW FW FW B1 SC B1 B1 B1 SC SC SC SC SC SC B1 B1 PoP 12hr 30 20 5 5 10 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C Tstms S S S C Heat index 103102 93 88 97 98 90 81 85 94 96 88 Max heat 107 107 93 101 103 91 97 100 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 80 58 71 53 73 52 75 Temp 71 66 78 74 64 60 69 67 58 54 71 67 57 53 73 69 Dewpt 68 66 72 69 64 59 63 60 57 54 59 58 56 53 61 61 PWind dir NE N N N N N NE N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B1 B1 B1 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 60 70 30 5 0 0 0 5 Rain shwrs C L C L C S Tstms C C S C S $$ ILZ102-MOZ065-182100- Monroe IL-Jefferson MO- 1040 AM CDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 96 71 98 72 94 Temp 95 96 89 80 76 73 72 86 95 96 91 81 77 73 71 84 92 93 87 Dewpt 74 73 73 73 72 69 67 70 68 66 66 64 64 62 61 67 68 69 69 RH 51 48 59 79 87 87 84 59 42 38 44 56 64 68 71 57 46 46 55 Wind dir W S SE SE S S S SW W SW S S SW SW SW W W NW N Wind spd 2 2 2 2 2 2 3 4 5 4 2 3 3 3 3 3 4 3 2 Wind gust 13 Clouds CL FW SC FW FW FW FW SC B1 B2 B1 SC SC SC SC SC B1 SC B1 PoP 12hr 30 20 5 0 10 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 106105 97 82 91100100 93 83 87 96 98 90 Max heat 110 111 94 104 106 90 99 103 Heat Y Y Y Y Y Y Y Y Y Y Y Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 67 83 59 73 54 75 53 76 Temp 72 67 81 77 65 61 70 70 59 55 72 70 58 54 74 72 Dewpt 69 67 72 69 64 60 64 60 57 54 60 58 57 54 61 60 PWind dir N N N N N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 60 30 5 0 0 0 5 Rain shwrs S C C L C C Tstms S C S C S $$