Area Forecast Matrices
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
549 FOUS53 KLSX 152306 AFMLSX Area Forecast Matrices National Weather Service Saint Louis MO 605 PM CDT Sat Aug 15 2026 ILZ100-101-MOZ061-063-064-160900- 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 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 71 86 66 Temp 90 84 79 78 77 86 92 94 89 80 76 73 71 78 83 85 82 74 71 68 67 Dewpt 76 74 73 70 70 75 76 76 77 76 75 73 71 71 71 70 69 68 68 67 66 RH 64 72 82 76 79 70 60 56 68 88 97100100 79 67 61 65 82 90 97 97 Wind dir S S SW SW NW W W W NW N N N N N N N N NE NE SE S Wind spd 5 4 3 3 4 5 6 6 8 5 5 5 6 5 5 6 4 2 0 0 0 Wind gust 13 17 23 17 16 16 Clouds FW SC SC B1 B2 B1 B2 SC SC SC B2 B1 FW SC SC FW SC SC FW FW FW PoP 12hr 10 20 30 5 0 QPF 12hr 0 0 0.01-0.12 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S S S Heat index 102 91 81 95105107101 83 87 90 85 Max heat 108 100 88 110 113 100 91 94 85 Extreme Heat W W W W W W W W W Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 89 71 89 67 82 64 83 65 84 Temp 86 86 76 72 87 83 72 68 80 78 69 65 81 79 69 65 81 79 Dewpt 69 70 68 69 73 73 70 66 67 66 64 63 66 66 65 63 67 68 PWind dir S SE N NE NE E E E NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 0 20 30 20 20 20 10 10 5 Rain shwrs S C S S S S S S Tstms S S S S $$ MOZ049-050-160900- Osage MO-Callaway MO- Including the city of Fulton 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 92 68 84 65 Temp 90 83 78 76 75 83 90 90 84 77 74 70 68 75 81 84 80 72 69 67 66 Dewpt 75 74 70 70 70 73 75 76 76 75 73 70 68 69 68 68 68 67 66 65 65 RH 62 74 76 82 84 72 62 64 77 94 97100100 82 65 59 67 84 90 93 97 Wind dir SW SE S SW N W W NW N N N N N N N N N E E SE S Wind spd 4 3 3 4 3 4 6 8 6 6 5 5 4 3 4 4 2 1 1 1 2 Wind gust 17 17 19 16 Clouds B2 SC B1 B1 B2 B1 B1 SC SC SC B1 SC FW FW FW FW SC FW FW FW FW PoP 12hr 10 20 30 0 0 QPF 12hr 0 0 0.00-0.08 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S Sprinkles C Tstms S S S S Heat index 101 90 90100102 92 83 87 82 Max heat 106 99 84 105 107 94 88 91 84 Extreme Heat W W W W W W W W W Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 71 88 66 82 64 84 65 84 Temp 86 86 76 72 85 82 71 67 79 78 68 65 81 79 69 65 81 79 Dewpt 69 71 68 68 72 72 69 66 67 66 64 63 67 67 65 64 67 68 PWind dir S SE N NE E E SE E N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC B1 B1 SC SC FW SC SC FW FW SC SC PoP 12hr 0 30 30 30 20 20 10 10 10 Rain shwrs C C C S S S S Tstms S S S S S S S $$ MOZ042-160900- Audrain MO- Including the city of Mexico 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 87 66 81 63 Temp 87 82 78 75 74 81 86 86 81 74 71 68 66 74 79 81 79 70 67 65 64 Dewpt 77 76 71 70 70 74 76 76 75 73 70 68 66 68 67 67 68 66 64 63 64 RH 72 82 79 84 87 79 72 72 82 97 97100100 82 67 63 69 87 90 93100 Wind dir SW SW SW W NW W NW NW N N N N N N N N N SE SE S S Wind spd 3 3 3 4 3 5 6 8 9 8 5 5 5 4 4 4 1 0 0 0 1 Wind gust 19 18 16 Clouds OV OV B2 OV B2 B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 20 30 20 0 0 QPF 12hr 0 0.00-0.08 0.00-0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Sprinkles C Tstms S S S S S Heat index 99 89 86 95 96 87 83 80 Max heat 102 97 99 100 83 85 Heat Y Y Y Y Y Y Y Y Y Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 86 69 83 63 79 62 81 63 81 Temp 83 85 74 70 81 79 68 65 77 77 66 63 78 78 67 63 79 78 Dewpt 69 71 68 67 72 71 68 64 66 66 62 62 67 68 64 63 68 68 PWind dir S SE NE NE E E SE SE N Wind char LT LT GN LT LT LT LT LT LT Avg clouds FW SC SC SC B1 B1 SC SC B1 SC SC SC SC SC FW FW SC SC PoP 12hr 0 40 30 30 10 20 10 10 10 Rain shwrs C C C S S S Tstms C S S S $$ MOZ041-047-048-160900- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 92 69 85 66 Temp 90 83 79 77 76 84 90 90 84 77 74 71 69 75 82 84 81 73 70 68 67 Dewpt 75 74 71 70 71 73 75 76 75 75 73 71 69 69 68 68 68 68 66 65 65 RH 62 74 77 79 85 70 62 64 74 94 97100100 82 63 59 65 84 87 90 93 Wind dir SW E S W N NW NW NW N N N N N N N N N E SE SE S Wind spd 4 3 3 4 3 4 5 8 9 6 5 5 4 3 3 4 2 1 0 1 1 Wind gust 17 19 16 Clouds B2 B2 B2 B2 B2 SC SC SC SC B1 B1 SC FW FW FW FW SC FW FW FW FW PoP 12hr 10 30 20 0 0 QPF 12hr 0 0.00-0.06 0.00-0.08 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Sprinkles C Tstms S S S S S Heat index 100 90 80 90100102 92 84 88 84 Max heat 105 99 85 105 109 94 89 91 84 Extreme Heat W W W W W W W W W Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 73 88 67 83 65 86 66 85 Temp 87 88 77 73 86 83 72 68 79 79 69 66 82 81 70 67 82 81 Dewpt 69 71 69 68 72 72 69 66 67 67 64 64 67 68 65 64 68 68 PWind dir S SE NE NE E E SE E N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC SC SC SC B1 B1 SC SC SC SC SC FW FW SC SC PoP 12hr 0 30 20 30 20 20 10 10 10 Rain shwrs S C C C S S S Tstms S C S S S S S $$ ILZ095>097-MOZ018-019-026-027-160900- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Including the cities of Quincy, Mount Sterling, Pittsfield, and Hannibal 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 86 66 82 64 Temp 88 81 77 75 74 80 84 85 81 74 71 68 66 74 80 82 80 71 67 66 65 Dewpt 77 76 75 73 72 75 77 77 75 73 70 67 66 68 68 67 69 66 65 64 64 RH 70 85 94 94 93 85 80 77 82 97 97 97100 82 67 61 69 84 93 93 97 Wind dir SW W W W W NW NW NW N N N NW NW N N N N E N S S Wind spd 5 3 2 5 4 5 6 9 10 6 5 5 5 3 4 4 1 0 0 0 1 Wind gust 24 16 18 Clouds B2 OV OV OV B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 50 30 10 0 0 QPF 12hr 0.00-0.18 0.00-0.25 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S S S Sprinkles C Tstms S S C C S S S Heat index 100 88 84 94 96 87 81 85 82 Max heat 106 100 103 105 89 86 88 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 86 69 82 63 79 62 81 63 81 Temp 83 84 74 70 79 78 68 64 76 76 66 63 78 78 67 64 79 78 Dewpt 70 72 69 68 72 71 67 63 66 67 63 62 67 68 65 63 68 69 PWind dir S SE N NE NE E SE SE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 B1 SC SC B1 SC SC SC SC SC FW SC SC SC PoP 12hr 0 60 40 10 10 10 10 10 5 Rain shwrs C L C S S S Tstms C C S S $$ MOZ034-160900- Monroe MO- 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 86 65 81 64 Temp 87 82 78 75 74 80 85 85 81 74 71 67 66 74 79 81 79 71 68 66 65 Dewpt 77 75 72 71 71 73 76 76 75 73 70 67 65 67 67 66 68 66 64 63 63 RH 72 79 82 87 90 79 75 75 82 97 97100 97 79 67 60 69 84 87 90 93 Wind dir SW SW SW W W NW NW NW N N N N N N N N N N N S S Wind spd 4 3 3 5 3 5 5 8 9 6 5 5 5 3 3 3 1 0 0 0 1 Wind gust 20 17 Clouds OV OV B2 OV B2 B2 B1 B2 B2 SC SC FW CL FW FW FW FW FW FW FW FW PoP 12hr 40 30 20 0 0 QPF 12hr 0.00-0.06 0.00-0.07 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S S Sprinkles C Tstms S C C C S Heat index 99 88 85 94 95 87 83 80 Max heat 100 96 88 96 98 89 83 85 Heat Y Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 69 82 63 79 62 81 63 81 Temp 83 85 75 70 80 79 68 65 76 77 66 63 79 79 68 64 79 79 Dewpt 69 71 68 68 72 71 67 64 66 66 63 62 67 68 64 63 68 69 PWind dir S SE NE NE E E SE E N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC B1 B1 SC B1 B1 SC SC SC SC SC FW FW SC SC PoP 12hr 0 40 30 20 10 10 20 10 10 Rain shwrs S C C S S S Tstms S C S S $$ MOZ035-036-160900- Ralls MO-Pike MO- Including the city of Bowling Green 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 88 67 83 64 Temp 88 82 78 76 75 82 87 87 83 75 72 69 67 75 80 83 80 72 68 66 65 Dewpt 77 76 73 72 72 74 76 76 76 74 71 69 67 68 67 67 68 66 65 64 64 RH 70 82 85 87 90 77 70 70 80 97 97100100 79 65 59 67 81 90 93 97 Wind dir SW SW SW W W W NW NW N N NW NW NW N N N N E N S S Wind spd 3 3 2 5 4 4 5 6 9 6 5 5 5 3 4 4 1 0 0 0 1 Wind gust 20 19 19 16 Clouds B2 B2 OV B2 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 30 30 20 0 0 QPF 12hr 0.01 0.00-0.14 0.00-0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S S Sprinkles C Tstms C C S S S S Heat index 101 90 88 97 98 90 83 85 83 Max heat 106 100 88 105 105 96 87 88 Heat Y Y Y Y Y Y Y Y Y Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 87 70 84 64 80 63 82 64 82 Temp 84 86 75 71 82 80 69 66 77 77 67 63 79 79 68 64 80 79 Dewpt 69 71 68 68 72 71 67 64 66 66 63 62 66 67 64 63 67 68 PWind dir S SE N NE NE E SE SE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B1 B1 SC SC B1 SC SC SC SC SC SC FW SC SC PoP 12hr 0 30 40 20 10 20 20 10 10 Rain shwrs C C S S S S Tstms C S S $$ ILZ069-070-074-160900- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 94 71 86 65 Temp 89 83 79 77 76 86 92 94 89 79 76 73 72 78 83 85 81 73 70 67 66 Dewpt 76 74 72 70 70 75 76 76 77 76 75 73 72 72 72 70 70 69 69 67 66 RH 66 74 79 79 82 70 60 56 68 91 97100100 82 70 61 69 87 97100100 Wind dir S S S SW W W W W N N NW N NW N N N N NE NE E N Wind spd 4 4 5 4 4 4 6 5 4 4 4 5 5 4 5 5 3 1 0 0 0 Wind gust 17 16 Clouds CL CL FW FW SC B2 B2 SC SC FW B1 SC B1 SC SC FW FW SC FW FW FW PoP 12hr 10 20 30 5 0 QPF 12hr 0 0 0.04-0.13 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C Tstms S S S S Heat index 101 89 95105107101 89 90 85 Max heat 106 98 90 109 112 102 87 91 93 85 Extreme Heat W W W W W W W W W Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 70 89 66 82 63 83 63 83 Temp 85 84 74 71 87 83 72 68 80 78 67 63 80 78 68 64 81 79 Dewpt 68 70 68 69 73 73 70 66 66 66 64 63 65 66 65 63 66 67 PWind dir S S W N NE NE NE E NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 SC SC SC B1 B1 SC SC SC SC SC SC FW SC PoP 12hr 0 10 30 30 20 10 20 10 10 Rain shwrs C S S C S S S S Tstms S S S S S S $$ MOZ074-084-085-099-160900- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 98 71 87 66 Temp 91 83 78 76 75 87 96 97 90 80 76 73 72 78 84 87 82 74 71 68 66 Dewpt 71 68 67 68 69 72 72 72 73 73 73 73 71 72 72 72 71 69 68 67 66 RH 52 61 69 76 82 61 46 45 58 79 90100 97 82 67 61 69 84 90 97100 Wind dir S S SW SW SW W SW SW NW N N N N N N N N NE N NE E Wind spd 3 3 3 3 3 5 5 6 5 3 5 5 6 3 3 3 2 1 0 0 0 Wind gust 13 13 13 16 17 16 17 17 Clouds CL CL CL CL FW FW FW FW SC B1 SC B1 B1 B1 SC SC SC SC FW FW FW PoP 12hr 0 20 30 20 5 QPF 12hr 0 0.00-0.05 0.00-0.42 0.00-0.35 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C S S Tstms S C C S S S Heat index 97 86 94104106 98 83 90 93 86 Max heat 103 95 83 110 112 98 98 101 88 Extreme Heat W W W W W W W W W Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 91 70 93 68 84 64 85 64 85 Temp 88 86 75 71 91 86 73 69 82 79 69 65 82 80 68 64 83 80 Dewpt 70 71 69 68 71 73 70 67 69 68 65 63 67 68 64 63 66 68 PWind dir S S W NE NE NE E E N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC FW SC B1 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 5 10 20 40 30 20 10 10 10 Rain shwrs S C S C C S S S S S Tstms S C S C S S S S S $$ MOZ051-060-160900- Montgomery MO-Warren MO- 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 91 67 84 63 Temp 90 83 77 75 74 82 89 90 84 76 73 70 68 75 81 83 79 71 68 66 64 Dewpt 76 75 72 70 71 75 76 77 76 75 73 70 68 70 69 69 69 67 66 65 64 RH 64 77 85 84 90 79 66 66 77 97100100100 84 67 63 72 87 93 97100 Wind dir SW W SW W NW W W NW N N N N N N N N N E E SE S Wind spd 3 2 3 4 3 4 6 6 8 8 5 5 5 3 3 3 1 0 0 0 0 Wind gust 17 18 17 Clouds B1 B1 B1 B2 B2 B1 B1 SC SC B1 SC SC FW FW FW FW SC FW FW FW FW PoP 12hr 20 20 30 0 0 QPF 12hr 0 0 0.01-0.09 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C Sprinkles C Tstms S S S C Heat index 102 90 89101103 93 84 87 81 Max heat 109 99 84 107 112 94 88 91 Extreme Heat W W W W W W W W W Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 69 86 64 81 62 83 63 83 Temp 85 85 75 70 84 81 70 66 78 76 67 63 80 78 68 64 80 78 Dewpt 70 72 68 68 73 72 69 65 67 66 64 62 67 68 64 63 68 68 PWind dir S SE N NE NE E SE SE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC B1 SC SC B1 B1 SC SC SC SC SC FW SC SC PoP 12hr 0 20 30 20 20 20 10 10 5 Rain shwrs S C S S S Tstms S S $$ MOZ052-160900- Lincoln MO- 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 91 68 84 64 Temp 90 84 79 76 76 84 90 90 85 77 74 71 69 76 82 84 80 72 69 66 65 Dewpt 77 76 73 71 71 75 76 77 76 75 73 70 68 70 69 68 68 67 66 65 65 RH 66 77 82 85 85 74 64 66 75 94 97 97 97 82 65 59 67 84 90 97100 Wind dir SW S SW W NW W W NW N N N NW NW N N N N NE N N S Wind spd 3 3 3 4 4 4 6 6 8 8 5 5 6 3 3 3 1 0 0 0 0 Wind gust 18 19 16 Clouds B1 B2 B2 B2 OV B1 B2 SC SC SC SC SC FW FW FW FW SC FW FW FW FW PoP 12hr 20 20 30 0 0 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C Sprinkles S Tstms S S S S S C Heat index 103 92 80 91102104 94 86 87 83 Max heat 109 100 87 105 109 96 88 90 83 Heat Y Y Y Y Y Y Y Y Y Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 88 70 86 65 81 63 83 64 83 Temp 85 86 75 71 84 81 70 66 79 77 67 63 80 79 68 64 81 79 Dewpt 70 71 68 68 73 72 69 65 67 66 64 62 67 67 64 63 67 68 PWind dir S SE N NE NE E SE SE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B1 B1 SC SC B1 SC SC SC SC SC SC FW SC SC PoP 12hr 0 30 30 20 20 20 20 10 5 Rain shwrs C C S S S S Tstms C S $$ ILZ058-059-098-099-160900- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 90 67 83 63 Temp 88 82 78 76 75 84 89 90 84 76 73 70 68 77 82 83 80 71 68 65 64 Dewpt 77 75 74 72 72 74 76 76 76 75 73 70 68 69 68 67 67 67 66 64 63 RH 70 79 88 87 90 72 66 64 77 97100100100 76 63 59 65 87 93 97 97 Wind dir S S S W NW W W W NW N N NW N N N N N NE E N S Wind spd 5 3 3 3 5 5 8 6 8 6 5 5 6 4 5 5 3 1 0 0 0 Wind gust 16 18 17 16 Clouds B1 B2 B1 B2 OV B1 B2 B1 B1 SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 20 20 30 0 0 QPF 12hr 0 0.00-0.18 0.00-0.25 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C Tstms S S S S C C Heat index 100 88 91100101 93 85 86 82 Max heat 107 100 87 105 109 96 88 89 83 Heat Y Y Y Y Y Y Y Y Y Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 69 85 63 80 61 81 62 82 Temp 84 84 74 70 84 80 69 65 78 77 66 62 79 78 67 63 80 78 Dewpt 67 70 67 68 71 70 68 64 64 64 62 61 64 65 63 62 65 66 PWind dir S SE N NE NE E E SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 B1 B1 SC SC B1 SC SC SC SC SC SC FW SC SC PoP 12hr 0 30 30 30 20 10 20 10 10 Rain shwrs C C S S C S S S Tstms C S S S $$ ILZ060-064-065-160900- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 91 69 84 63 Temp 86 81 78 76 75 85 90 90 85 77 74 72 70 77 82 84 80 72 68 66 64 Dewpt 77 75 73 71 71 75 76 76 77 75 74 72 70 70 69 68 68 68 67 65 64 RH 75 82 85 85 87 72 64 64 77 94100100100 79 65 59 67 87 97 97100 Wind dir S S S SW NW SW W W NW N N NW NW N N N N NE NE E N Wind spd 5 4 4 4 5 4 6 6 5 5 5 5 6 4 5 6 3 1 0 0 0 Wind gust 20 16 Clouds SC CL SC SC B2 B2 B2 SC FW FW B1 SC SC FW SC FW FW FW FW FW FW PoP 12hr 20 20 30 5 0 QPF 12hr 0 0.00-0.05 0.02-0.22 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C S S Tstms S S S S C C S Heat index 98 87 93101103 95 86 87 82 Max heat 102 96 90 106 109 100 87 89 90 84 Heat Y Y Y Y Y Y Y Y Y Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 86 68 86 64 80 61 81 62 82 Temp 84 83 73 70 84 81 70 65 78 76 66 62 79 78 67 63 80 78 Dewpt 67 69 67 68 72 71 68 64 64 64 63 61 64 65 63 62 65 66 PWind dir S S W N NE NE E E S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 B1 SC SC B1 B1 SC SC SC SC SC SC FW SC PoP 12hr 0 30 30 30 20 10 20 10 10 Rain shwrs C C C S C S S Tstms C S S S $$ ILZ079-MOZ075-160900- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 97 70 86 65 Temp 90 84 79 77 75 87 94 96 90 80 76 73 72 78 83 85 81 74 71 68 66 Dewpt 74 72 69 68 69 75 75 75 76 75 75 73 71 73 73 73 71 70 68 67 66 RH 60 67 72 74 82 68 54 51 64 85 97100 97 85 72 67 72 87 90 97100 Wind dir S S SW SW SW W SW W NW N N N N N N N N NE NE NE SE Wind spd 4 4 5 4 4 5 5 6 5 3 4 6 6 5 5 5 3 2 1 0 0 Wind gust 14 14 17 18 17 Clouds CL CL CL FW FW B1 SC FW SC B1 B1 B1 B1 SC SC FW FW SC FW FW FW PoP 12hr 5 20 40 10 0 QPF 12hr 0 0.00-0.06 0.03-0.12 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C S S Tstms S S S S S Heat index 100 89 96106109103 86 89 92 86 Max heat 106 97 84 110 114 100 91 95 85 Extreme Heat W W W W W W W W W Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 70 91 67 83 63 83 64 84 Temp 86 85 75 71 89 85 73 69 80 78 69 64 81 78 69 64 81 79 Dewpt 70 72 69 68 74 74 71 67 69 68 65 63 68 68 65 63 68 69 PWind dir S S W N NE NE NE SE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC B1 B1 SC SC SC SC SC SC FW SC PoP 12hr 0 10 30 40 30 20 20 10 10 Rain shwrs C S S C C S S S S S Tstms S S S S S S S S $$ MOZ059-062-072-073-160900- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 96 69 85 65 Temp 91 83 78 77 75 87 93 95 88 78 75 72 70 77 83 85 80 72 69 67 66 Dewpt 73 70 68 68 69 73 74 74 75 75 74 72 70 72 71 70 69 68 67 66 65 RH 56 65 71 74 82 63 54 51 66 91 97100100 85 67 61 69 87 93 97 97 Wind dir S S SW SW SW W W W NW N N N N N N N N NE SE SE S Wind spd 4 4 3 4 3 5 6 6 6 5 5 4 5 3 3 3 1 0 0 0 0 Wind gust 13 16 19 17 18 14 Clouds FW SC SC SC B1 B1 SC FW FW B1 B1 B1 SC SC SC FW SC SC FW FW FW PoP 12hr 10 20 40 5 0 QPF 12hr 0 0.00-0.12 0.02-0.12 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C Tstms S S S S Heat index 99 88 94103106 97 87 90 82 Max heat 107 99 83 109 112 96 92 94 83 Extreme Heat W W W W W W W W W Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 91 71 91 66 82 64 84 64 84 Temp 88 86 76 72 89 84 72 67 80 77 68 64 82 78 68 64 82 78 Dewpt 70 71 68 68 72 73 70 67 68 67 64 63 67 68 64 63 68 68 PWind dir S S NW NE NE E E SE NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 0 20 20 30 20 20 10 10 10 Rain shwrs S S S S C S S S S S Tstms S S S S S S S S S $$ ILZ102-MOZ065-160900- Monroe IL-Jefferson MO- 605 PM CDT Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 97 70 86 65 Temp 91 85 79 77 76 87 94 96 90 80 76 73 71 78 83 86 81 73 70 67 66 Dewpt 74 72 69 68 69 75 76 76 76 76 75 73 71 73 73 72 70 69 68 67 66 RH 58 65 72 74 79 68 56 53 64 88 97100100 85 72 63 69 87 93100100 Wind dir S S SW SW W W W W NW N N NW N N N N N NE NE SE S Wind spd 4 4 3 4 4 4 5 5 8 4 5 5 5 4 4 4 2 1 0 0 0 Wind gust 14 21 16 16 Clouds CL SC SC B1 SC B2 B1 SC SC B1 B1 B2 SC SC SC FW FW SC FW FW FW PoP 12hr 10 20 40 5 0 QPF 12hr 0 0 0.05-0.11 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C Tstms S S S S Heat index 101 90 97107110103 84 89 92 85 Max heat 106 99 84 110 114 99 92 94 83 Extreme Heat W W W W W W W W W Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 71 91 67 82 63 84 64 84 Temp 87 86 75 72 89 84 72 68 80 78 68 64 81 78 68 64 82 79 Dewpt 71 72 68 68 74 74 71 67 69 68 64 63 68 68 64 63 69 69 PWind dir S S NW NE NE E E SE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 SC SC SC B1 B1 SC SC SC SC SC SC FW SC PoP 12hr 0 20 30 40 20 20 10 10 5 Rain shwrs S C S S C S S S S Tstms S S S S S S S $$