Area Forecast Matrices
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
735 FOUS53 KLSX 122316 AFMLSX Area Forecast Matrices National Weather Service Saint Louis MO 616 PM CDT Wed Aug 12 2026 ILZ100-101-MOZ061-063-064-130900- 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 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 96 77 97 77 Temp 88 82 79 78 77 86 93 95 92 85 83 80 78 87 94 97 94 85 83 79 77 Dewpt 75 74 73 72 72 74 75 75 76 74 72 71 71 74 75 74 76 73 72 69 69 RH 66 77 82 82 85 68 56 53 60 70 70 74 79 65 54 48 56 67 70 72 76 Wind dir S SE S SE SE S SW S SE SE S S S SW SW S SE SE S S SW Wind spd 4 5 4 5 3 4 5 5 5 6 6 5 3 5 4 4 3 4 4 4 3 Clouds B1 B1 SC SC SC SC SC B1 SC SC FW SC B1 SC SC FW FW FW FW FW SC PoP 12hr 30 30 20 5 5 QPF 12hr 0.00-0.11 0.00-0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS IS IS IS Heat index 98 87 81 94104108106 92 88 81 95106109107 93 88 80 Max heat 106 99 90 110 113 105 93 110 113 106 91 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 97 76 97 73 89 69 88 71 92 Temp 94 95 83 77 95 93 80 75 87 84 74 70 85 84 75 72 88 87 Dewpt 73 74 71 69 73 74 74 72 74 73 71 69 72 71 70 68 72 72 PWind dir SW S W N N NE E SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW SC B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 5 0 0 20 30 20 20 10 10 Rain shwrs C S C S S S S S Tstms S S S $$ MOZ049-050-130900- Osage MO-Callaway MO- Including the city of Fulton 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 96 76 98 76 Temp 89 82 80 78 76 85 93 96 92 84 82 79 77 85 94 97 93 84 82 78 76 Dewpt 75 73 71 70 70 73 73 72 74 72 70 69 69 72 72 72 74 72 70 67 67 RH 64 74 74 76 82 67 52 46 56 67 67 72 76 65 49 45 54 67 67 69 74 Wind dir SW SE SE S SE S SW S SE S S S S SW SW SW S SE S SW SW Wind spd 3 4 5 5 5 6 6 6 4 5 5 5 5 6 6 5 3 4 4 4 4 Wind gust 16 16 17 17 17 16 17 17 14 14 Clouds SC FW SC FW SC SC SC FW FW FW FW SC SC SC FW FW FW FW FW SC SC PoP 12hr 10 10 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS IS IS Tstms IS IS IS Heat index 99 87 82 91103105102 89 86 91102105103 90 86 Max heat 105 98 88 106 110 102 89 105 110 102 87 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 97 75 96 72 88 69 89 71 91 Temp 93 94 81 76 94 91 79 73 85 83 74 69 84 84 75 71 87 86 Dewpt 70 72 69 68 71 72 72 72 73 72 71 69 71 71 69 68 71 71 PWind dir SW S W N N NE E SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 5 0 0 20 20 20 10 10 10 Rain shwrs S S S S S S S Tstms S S S S $$ MOZ042-130900- Audrain MO- Including the city of Mexico 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 93 74 93 75 Temp 85 79 77 75 74 83 90 93 91 82 80 77 75 84 90 93 91 83 81 78 76 Dewpt 76 74 71 70 71 73 75 74 76 73 71 69 69 72 73 73 75 72 70 67 67 RH 75 85 82 84 90 72 62 54 62 74 74 76 82 67 58 52 60 70 69 69 74 Wind dir SW E E E SE S S S E SE S S S SW SW S SE SE S SW SW Wind spd 3 3 5 6 5 8 9 9 5 6 6 6 6 8 8 6 3 5 5 6 6 Wind gust 17 18 17 Clouds FW FW FW B1 B2 SC SC FW SC FW SC SC SC SC SC SC SC FW SC SC SC PoP 12hr 20 20 20 5 20 QPF 12hr 0.01 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS IS IS IS IS IS IS S S Tstms IS IS IS IS IS IS IS S S Heat index 95 80 89100103103 87 82 90 98102102 88 84 Max heat 100 95 103 107 101 83 101 106 99 84 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 74 92 69 85 66 85 69 88 Temp 90 91 80 75 90 89 76 71 82 82 71 67 82 83 73 70 85 85 Dewpt 71 73 68 68 72 73 72 71 72 71 69 67 71 71 68 67 71 71 PWind dir SW S W N NE E SE SE S Wind char GN LT GN LT LT LT LT LT LT Avg clouds SC FW FW FW SC FW SC B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 10 0 10 30 20 20 10 20 20 Rain shwrs S C S S S S S S S Tstms S C S S S $$ MOZ041-047-048-130900- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 97 78 98 78 Temp 90 83 81 79 78 86 94 96 93 85 83 80 78 86 94 97 94 85 83 80 78 Dewpt 74 73 71 70 70 73 73 72 74 71 70 69 69 71 72 72 73 72 70 67 67 RH 60 72 72 74 76 65 51 46 54 63 65 69 74 61 49 45 51 65 65 65 69 Wind dir SW SE SE S SE S S S SE S S S S SW SW SW S SE S SW SW Wind spd 3 4 4 5 5 6 8 8 4 4 5 5 4 6 6 5 3 3 3 4 4 Wind gust 16 17 18 14 16 17 16 18 14 13 16 17 Clouds SC FW FW FW SC SC SC FW FW FW FW SC SC SC SC FW FW FW FW SC SC PoP 12hr 10 10 10 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 100 89 85 81 93103106104 91 87 82 92102107103 91 86 81 Max heat 106 102 89 109 110 103 89 106 111 103 87 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 77 97 73 89 70 90 72 92 Temp 94 94 82 77 94 92 79 74 86 84 74 71 85 85 76 73 87 87 Dewpt 71 72 69 68 71 72 73 72 73 71 71 70 71 71 69 68 71 71 PWind dir SW SW W N N E SE SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 5 0 5 20 20 20 10 20 10 Rain shwrs S S S S S S S S Tstms S S S S S S $$ ILZ095>097-MOZ018-019-026-027-130900- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Including the cities of Quincy, Mount Sterling, Pittsfield, and Hannibal 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 91 73 92 75 Temp 83 77 75 74 73 81 88 91 89 80 77 75 74 82 89 92 89 81 79 77 76 Dewpt 76 75 73 72 71 75 76 76 77 75 73 72 72 75 75 76 77 74 73 71 70 RH 80 94 94 93 93 82 68 62 68 85 87 90 93 79 64 60 68 79 82 82 82 Wind dir W E E E E SE E E E E SE SE E SE S S SE SE SE S SW Wind spd 3 3 3 4 4 5 6 8 5 8 5 5 5 5 5 5 4 5 4 5 5 Wind gust 13 16 17 18 19 16 16 17 17 16 17 16 17 18 Clouds SC SC SC SC B1 B1 SC SC FW SC SC B1 B1 B1 SC SC SC SC SC B1 SC PoP 12hr 30 40 30 10 40 QPF 12hr 0.01-0.28 0.00-0.19 0.00-0.08 0 0.00-0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs SC SC SC IS IS IS IS IS SC C C S Tstms SC SC SC IS IS IS IS IS SC C C S Heat index 91 86 99103102 83 89100104102 87 81 Max heat 96 94 105 110 102 84 106 110 103 86 Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 74 91 69 84 67 85 69 88 Temp 90 91 79 75 89 87 75 71 82 81 71 67 83 83 72 70 85 84 Dewpt 74 75 71 71 75 75 73 70 72 71 69 67 71 71 69 68 72 72 PWind dir SW SW NW N NE E SE SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 10 10 30 20 20 10 20 20 Rain shwrs S S C C S S S S S S Tstms S S S C S S S $$ MOZ034>036-130900- Monroe MO-Ralls MO-Pike MO- Including the city of Bowling Green 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 93 74 94 76 Temp 84 79 77 75 75 83 90 93 91 82 80 77 75 84 91 94 91 83 81 78 77 Dewpt 76 75 72 71 71 74 75 75 76 74 72 71 70 73 74 74 76 73 71 69 68 RH 77 88 85 87 87 74 62 56 62 77 77 82 84 70 58 53 62 72 72 74 74 Wind dir SW E E E SE S S S E SE SE S SE S SW S SE SE SE SW SW Wind spd 3 2 3 4 3 5 6 8 4 5 4 4 4 6 6 5 3 4 4 5 5 Wind gust 13 14 14 17 18 18 17 16 17 16 18 14 14 17 18 Clouds SC FW SC SC B1 SC SC SC FW FW SC SC B1 SC SC SC SC SC SC SC SC PoP 12hr 30 30 20 5 20 QPF 12hr 0.00-0.15 0 0.01 0 0.00-0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS SC IS IS IS IS IS S S Tstms IS SC IS IS IS IS IS S S Heat index 93 80 89100104104 89 82 90100104103 89 85 Max heat 97 98 86 105 110 105 91 106 112 106 91 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 75 93 70 85 67 86 69 89 Temp 91 93 81 76 91 89 76 72 83 82 72 68 83 83 73 70 85 85 Dewpt 72 73 70 69 73 74 73 71 72 71 69 68 71 71 68 68 71 71 PWind dir SW S W N N E SE SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 10 5 10 30 20 20 20 20 20 Rain shwrs S C S S S S S S S Tstms S C S S S S $$ ILZ069-074-130900- Clinton IL-Washington IL- 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 94 77 96 76 Temp 87 81 79 78 76 85 92 94 90 83 82 79 77 87 93 96 92 83 81 78 76 Dewpt 76 75 73 72 72 76 77 77 78 75 73 72 72 76 76 76 77 75 73 70 70 RH 70 82 82 82 87 75 62 58 68 77 74 79 85 70 58 53 62 77 77 76 82 Wind dir S S S SE S S SW S SE S S S S SW SW SW S S S S S Wind spd 3 5 4 4 3 3 4 4 4 6 5 5 3 4 3 3 2 4 4 3 2 Clouds B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC B1 SC SC FW FW FW FW FW FW PoP 12hr 30 30 10 5 10 QPF 12hr 0.00-0.10 0.00-0.10 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS IS SC IS IS IS Tstms IS IS SC IS IS IS Heat index 97 86 80 94106109104 90 87 97107110106 90 86 Max heat 103 99 90 110 113 105 95 109 113 105 93 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 97 76 97 73 89 69 88 70 92 Temp 94 93 82 76 95 92 79 75 87 84 74 70 85 84 74 71 89 86 Dewpt 74 76 71 69 74 76 74 72 75 74 72 70 72 71 70 69 72 72 PWind dir SW S W N N NE NE SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC B1 SC SC SC SC SC SC FW SC SC PoP 12hr 5 0 5 20 30 20 20 20 10 Rain shwrs S S C S S S S S Tstms S S S $$ ILZ070-130900- Marion IL- Including the cities of Centralia and Salem 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 93 76 95 76 Temp 84 79 78 76 75 83 91 93 88 82 81 78 76 85 92 95 90 82 81 78 76 Dewpt 76 74 72 71 72 75 76 76 76 74 73 72 72 75 75 75 76 74 72 70 70 RH 77 85 82 85 90 77 62 58 68 77 77 82 87 72 58 53 64 77 74 76 82 Wind dir S SE S SE SE S SW S E SE SE S S S SW SW SE SE S S S Wind spd 3 4 3 4 2 3 4 4 4 5 5 4 3 4 3 3 2 3 3 3 2 Clouds B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 SC SC FW FW FW FW FW FW PoP 12hr 30 30 20 5 10 QPF 12hr 0.05-0.18 0.00-0.08 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS SC SC SC IS IS IS IS Tstms IS SC SC SC IS IS IS IS Heat index 93 80 91103105 99 87 85 94103107102 88 84 Max heat 98 93 106 110 96 87 106 110 100 84 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 76 96 73 88 68 87 69 90 Temp 92 91 81 76 94 90 78 74 87 83 73 69 84 83 73 70 88 85 Dewpt 74 74 70 69 73 74 73 71 73 71 71 68 69 69 68 68 71 70 PWind dir SW S W N N NE NE E S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC FW SC SC PoP 12hr 5 0 5 20 30 20 20 20 10 Rain shwrs S S C S S S S Tstms S S S S $$ MOZ074-084-085-099-130900- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 97 76 97 75 Temp 89 81 78 77 76 86 95 97 91 83 81 78 76 87 95 97 93 83 80 77 75 Dewpt 73 72 70 69 70 72 72 72 73 71 70 68 68 71 71 71 72 70 68 65 65 RH 59 74 76 76 82 63 48 45 56 67 69 71 76 59 46 43 51 65 67 67 71 Wind dir S S S SW SW SW SW S S S S SW SW SW SW SW S S S SW SW Wind spd 2 3 3 3 3 4 4 4 2 3 3 3 3 4 4 3 2 2 2 2 2 Wind gust 13 16 17 14 16 16 16 12 16 16 17 14 16 13 13 14 16 12 Clouds SC B1 SC SC SC SC B1 SC SC FW FW FW SC FW FW FW FW FW CL FW FW PoP 12hr 40 10 10 5 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs SC Tstms SC Heat index 97 84 92103105 99 88 84 92102105101 87 82 Max heat 106 97 83 109 111 100 86 109 112 102 84 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 75 99 74 92 70 90 71 92 Temp 95 94 80 76 96 93 79 75 90 86 74 70 87 85 74 71 89 86 Dewpt 68 68 67 66 66 68 68 69 70 72 71 70 70 70 69 68 69 70 PWind dir SW SW W W N NE N SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC SC FW SC SC SC SC PoP 12hr 5 0 5 10 30 20 10 10 10 Rain shwrs C S S Tstms C S $$ MOZ051-060-130900- Montgomery MO-Warren MO- 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 95 74 96 74 Temp 88 81 78 76 74 83 91 95 92 83 81 78 75 84 92 95 92 84 81 78 75 Dewpt 76 74 72 71 71 74 75 74 76 73 71 70 70 74 74 74 77 73 71 68 68 RH 68 79 82 85 90 74 60 51 60 72 72 76 84 72 56 51 62 70 72 71 79 Wind dir W SE SE SE SE S SW S SE S S S SW SW SW S SE SE S SW SW Wind spd 1 2 3 4 3 4 4 4 3 4 4 4 4 4 4 3 1 3 3 3 4 Wind gust 14 16 16 14 14 14 13 14 Clouds SC SC SC SC SC SC SC FW SC FW FW B1 SC SC SC FW FW FW FW FW SC PoP 12hr 20 20 20 5 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS IS IS IS IS IS IS Tstms IS IS IS IS IS IS IS Heat index 99 85 90103106104 89 85 91103106106 90 85 Max heat 106 98 84 107 113 103 86 107 113 105 86 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 73 95 70 87 67 87 69 90 Temp 92 93 81 75 93 91 78 72 84 83 72 68 83 83 74 70 86 86 Dewpt 73 75 70 68 74 75 73 72 75 73 71 68 72 72 69 68 73 72 PWind dir SW S W N N NE E SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 5 0 0 30 20 20 10 10 10 Rain shwrs C S S S S S Tstms C S S $$ MOZ052-130900- Lincoln MO- 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 95 75 95 76 Temp 88 81 78 76 75 84 91 94 92 84 81 78 76 85 92 95 93 84 82 78 77 Dewpt 75 75 73 72 72 75 76 75 76 74 72 71 71 75 75 75 77 74 72 69 69 RH 66 82 85 87 90 74 62 54 60 72 74 79 85 72 58 53 60 72 72 74 76 Wind dir W E SE E SE S SW S SE SE S S S SW SW S SE SE S S SW Wind spd 2 2 3 3 2 3 4 4 4 4 4 3 3 4 4 3 1 3 3 3 3 Wind gust 14 13 13 Clouds SC SC SC SC SC SC SC SC SC SC SC B2 SC SC SC FW FW FW FW FW SC PoP 12hr 30 30 20 5 10 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS IS IS IS Heat index 97 86 92103107106 91 86 93104107107 92 87 Max heat 102 99 107 111 106 90 107 112 106 89 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 75 95 71 87 68 87 70 90 Temp 92 94 82 76 93 92 78 73 85 83 73 69 83 84 74 71 87 86 Dewpt 74 75 71 69 75 75 73 72 75 73 71 69 72 72 69 68 73 72 PWind dir SW S W N N NE E SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 10 0 5 30 20 20 20 10 10 Rain shwrs C S S S S Tstms C S S $$ ILZ058-059-098-099-130900- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 93 73 94 74 Temp 83 78 75 74 73 82 89 92 90 82 79 77 75 84 91 94 91 82 80 77 75 Dewpt 75 74 72 72 72 74 76 76 77 74 73 71 71 74 75 75 77 74 72 70 69 RH 77 88 90 93 97 77 66 60 66 77 82 82 87 72 60 54 64 77 77 79 82 Wind dir S E SE E E SE S SE E SE SE SE SE S S S SE SE SE S SW Wind spd 3 3 4 4 3 4 5 6 6 6 5 4 3 4 5 4 3 5 5 4 4 Clouds B1 B1 SC SC B1 SC SC B1 B1 FW SC B1 B2 SC SC SC SC SC FW SC SC PoP 12hr 30 30 20 5 10 QPF 12hr 0.00-0.15 0.01 0.00-0.07 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS SC SC SC IS IS IS IS IS IS Tstms IS SC SC SC IS IS IS IS IS IS Heat index 91 89100104102 88 81 91102106104 88 83 Max heat 101 98 106 110 105 89 106 112 106 88 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 74 94 70 86 66 85 68 89 Temp 91 93 81 75 92 89 77 72 84 82 72 67 83 83 73 69 86 85 Dewpt 74 75 71 70 74 75 73 71 73 71 70 67 70 70 68 68 71 71 PWind dir SW S W N N NE E SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 10 0 5 30 20 20 20 20 10 Rain shwrs S C S S S S S S Tstms S C S S $$ ILZ060-064-065-130900- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 91 74 93 74 Temp 82 77 75 74 73 81 89 91 88 81 79 77 75 84 90 93 89 81 80 77 75 Dewpt 76 74 72 71 71 75 77 77 77 75 73 72 71 75 76 76 77 74 73 70 70 RH 82 90 90 90 93 82 68 64 70 82 82 85 87 74 64 58 68 79 79 79 84 Wind dir SE SE SE E E SE S SE E SE SE SE SE SE S S SE SE SE SE S Wind spd 3 4 3 3 3 3 4 5 5 6 5 5 3 4 4 4 2 4 4 4 3 Clouds B2 B1 SC SC B1 B1 SC B1 B1 SC SC B1 B1 SC SC SC FW FW FW SC SC PoP 12hr 40 30 20 5 10 QPF 12hr 0.01-0.20 0.00-0.08 0.00-0.12 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS SC SC SC IS IS IS IS IS IS S Tstms IS SC SC SC IS IS IS IS IS IS S Heat index 89 88101105100 86 81 91102106103 87 81 Max heat 99 99 90 106 110 103 95 106 112 103 93 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 74 94 71 86 66 85 68 89 Temp 91 91 80 75 92 89 77 73 85 82 72 67 83 82 72 69 86 84 Dewpt 75 76 71 69 75 75 73 71 73 72 70 67 70 70 68 68 72 71 PWind dir SW S W N N NE E SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 10 0 5 30 30 20 20 20 10 Rain shwrs S C S C S S S Tstms S C S S $$ ILZ079-MOZ075-130900- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 96 76 98 76 Temp 90 82 79 78 76 86 94 96 91 84 82 80 77 87 95 98 94 85 82 79 76 Dewpt 75 74 72 71 71 74 75 75 76 73 72 70 70 74 74 73 75 72 70 67 67 RH 62 77 79 79 85 68 54 51 62 70 72 72 79 65 51 45 54 65 67 67 74 Wind dir S S S S S SW SW S SE S S SW SW SW SW SW S S S S SW Wind spd 4 6 5 6 5 4 5 5 4 8 6 6 4 5 4 4 3 5 5 5 3 Wind gust 16 17 17 14 16 Clouds SC B1 SC SC B1 SC SC SC SC SC SC SC B1 SC FW FW FW FW FW FW FW PoP 12hr 20 20 10 5 0 QPF 12hr 0.01 0.00-0.10 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs SC IS IS IS IS Tstms SC IS IS IS IS Heat index 100 87 80 94106108104 91 87 81 95106109106 91 86 Max heat 107 99 86 111 114 105 90 110 113 106 87 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 99 76 99 73 91 69 89 70 93 Temp 96 95 82 77 97 94 80 74 89 85 75 70 86 85 75 71 90 87 Dewpt 71 73 69 67 71 73 71 71 74 74 72 70 72 72 70 68 72 72 PWind dir SW SW W NW N NE NE SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC SC FW SC SC SC SC PoP 12hr 5 0 0 10 30 20 10 10 10 Rain shwrs C S S S Tstms C $$ MOZ059-062-072-073-130900- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 97 77 98 76 Temp 90 82 79 78 76 87 95 97 92 84 82 79 77 87 95 98 93 84 81 78 76 Dewpt 74 72 70 69 70 73 73 72 73 71 69 68 68 72 72 71 73 71 68 66 65 RH 60 72 74 74 82 63 49 45 54 65 65 69 74 61 48 42 52 65 65 67 69 Wind dir SW S S SW S SW SW S SE S S SW SW SW SW SW S S S SW SW Wind spd 2 3 4 4 4 5 5 5 3 4 4 4 4 5 4 3 2 3 3 3 3 Wind gust 14 16 17 16 17 16 16 16 17 17 16 17 13 14 14 13 Clouds SC SC SC SC SC SC SC SC SC FW FW SC SC FW FW FW FW FW FW FW FW PoP 12hr 30 10 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs SC IS IS IS Tstms SC IS IS IS Heat index 99 86 81 94104106101 89 85 80 94104106103 89 84 Max heat 106 98 85 109 111 102 87 107 113 105 86 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 75 98 72 90 69 89 71 92 Temp 95 94 81 76 95 92 79 74 87 84 73 69 86 84 75 71 89 86 Dewpt 70 72 68 66 70 72 71 71 74 73 71 69 72 72 69 68 71 72 PWind dir SW SW W N N NE E SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC SC B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 5 0 0 10 20 20 10 10 10 Rain shwrs S S S S S Tstms S S S S $$ ILZ102-MOZ065-130900- Monroe IL-Jefferson MO- 616 PM CDT Wed Aug 12 2026 Date 08/12/26 Thu 08/13/26 Fri 08/14/26 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 98 77 99 76 Temp 90 82 79 78 77 87 95 97 92 84 82 80 77 88 96 99 94 85 82 78 76 Dewpt 75 73 71 70 71 75 75 74 76 73 71 69 69 74 74 74 75 73 70 67 67 RH 62 74 77 76 82 68 53 48 60 70 69 69 76 63 49 45 54 67 67 69 74 Wind dir S SE S S S SW SW S SE S S SW SW SW SW SW S S S SW SW Wind spd 3 4 4 5 4 4 4 4 3 5 5 5 3 4 3 3 2 3 4 4 3 Wind gust 14 16 14 16 17 13 14 Clouds SC SC SC SC SC SC SC SC SC SC FW SC B1 SC SC FW FW FW FW FW FW PoP 12hr 20 20 10 5 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs IS IS IS IS IS Tstms IS IS IS IS IS Heat index 101 88 81 96107110105 91 86 81 97107110106 91 85 Max heat 107 99 85 111 114 105 88 111 114 105 87 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date 08/15 Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 76 99 73 90 69 89 70 93 Temp 95 96 82 76 96 93 79 74 88 85 74 70 86 84 75 71 89 87 Dewpt 72 74 69 67 72 73 72 71 75 74 71 70 73 72 69 68 73 72 PWind dir SW S W NW N NE NE SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 5 0 0 10 20 20 10 10 10 Rain shwrs S S S S S Tstms S S $$