Area Forecast Matrices
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
027 FOUS53 KLSX 130926 AFMLSX Area Forecast Matrices National Weather Service Saint Louis MO 425 AM CDT Thu Aug 13 2026 ILZ100-101-MOZ061-063-064-132100- 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 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 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 76 98 77 99 Temp 75 83 91 94 91 84 82 79 77 87 94 96 93 85 83 79 78 88 95 98 94 Dewpt 72 77 78 78 78 76 74 72 72 75 76 76 78 75 73 71 71 74 74 73 75 RH 90 82 66 60 66 77 77 79 85 68 56 53 62 72 72 77 79 63 51 45 54 Wind dir SE S SW S SE SE SE S SE S SW S S SE S S SW W SW SW S Wind spd 2 3 4 5 5 5 5 4 3 4 4 4 3 4 4 4 3 4 4 4 3 Clouds B1 SC B1 SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 30 20 10 5 0 QPF 12hr 0.00-0.23 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S Tstms C S S S Heat index 92106111107 92 87 80 96107111109 94 89 81 96106109106 Max heat 112 117 107 94 113 116 109 92 110 113 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 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 78 97 74 87 69 88 71 92 Temp 83 78 95 92 79 75 85 82 73 70 84 84 75 72 88 87 Dewpt 71 69 74 75 75 73 75 73 71 69 72 71 69 68 73 72 PWind dir S W N N NE SE SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW B1 B1 B1 SC SC SC SC FW FW SC SC PoP 12hr 0 5 40 30 20 10 10 10 Rain shwrs C C S C S S Tstms C C S C $$ MOZ049-050-132100- Osage MO-Callaway MO- Including the city of Fulton 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 76 98 76 98 Temp 76 83 92 95 92 84 82 79 77 85 93 96 93 84 82 78 76 85 94 97 93 Dewpt 70 75 75 74 76 72 71 70 70 72 73 72 75 72 71 68 68 70 71 70 73 RH 82 77 58 51 60 67 69 74 79 65 52 46 56 67 69 71 76 61 47 42 52 Wind dir S SW SW S S S S SW S S SW S S S S SW SW SW SW SW SW Wind spd 4 5 6 6 4 5 5 5 4 5 5 4 3 4 4 4 4 6 6 6 3 Wind gust 17 16 16 17 17 Clouds B1 SC SC FW FW FW FW FW B1 SC SC FW CL FW FW FW FW FW FW FW FW PoP 12hr 10 10 10 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 90103106104 90 86 80 92102106105 90 86 90101104102 Max heat 107 113 103 90 107 113 105 88 105 109 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 96 72 86 68 88 71 92 Temp 81 76 93 90 77 73 82 81 72 69 84 84 75 72 87 86 Dewpt 69 68 72 74 74 72 73 72 71 69 71 71 69 68 71 72 PWind dir S W N NE E SE SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC B1 B1 B1 SC SC SC SC SC FW SC FW PoP 12hr 0 10 40 20 20 10 20 10 Rain shwrs C C S S S S Tstms C C S S S S $$ MOZ042-132100- Audrain MO- Including the city of Mexico 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 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 74 94 75 94 Temp 74 81 88 91 90 82 80 77 75 84 90 93 91 82 81 77 76 84 91 94 91 Dewpt 71 75 76 76 78 75 72 71 70 73 74 74 77 74 71 69 68 71 72 72 74 RH 90 82 68 62 68 79 77 82 84 70 60 54 64 77 72 76 76 65 54 49 58 Wind dir SE S S S SE SE SE S SE S SW S S SE S SW SW SW SW SW SW Wind spd 4 6 8 9 5 6 6 5 5 8 8 5 3 5 5 5 5 8 9 9 3 Wind gust 16 19 Clouds B1 B1 SC FW FW FW SC SC B1 SC SC FW FW FW FW FW SC SC SC FW SC PoP 12hr 20 20 10 10 10 QPF 12hr 0 0.00-0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S Tstms S S S S Heat index 86100104104 88 82 90100104105 88 84 89 99102101 Max heat 102 109 102 85 102 109 102 85 101 106 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 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 75 91 69 83 66 85 69 88 Temp 81 76 89 87 75 71 81 81 71 68 82 83 73 71 85 85 Dewpt 69 68 73 75 73 71 72 71 69 68 71 71 68 67 71 72 PWind dir SW NW N NE E SE SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 B1 B1 SC SC SC SC SC SC FW SC SC PoP 12hr 5 20 50 20 10 10 20 5 Rain shwrs S C C S S S S Tstms S C C S S S $$ MOZ041-047-048-132100- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 98 78 99 78 98 Temp 76 83 92 96 93 85 83 80 78 86 94 98 94 85 83 80 78 86 94 98 94 Dewpt 70 74 74 74 75 72 71 70 70 72 73 73 74 72 70 68 67 70 71 70 72 RH 82 74 56 49 56 65 67 72 76 63 51 45 53 65 65 67 69 59 47 41 49 Wind dir S SW SW S S S S S S S SW S S S S SW SW SW SW SW SW Wind spd 4 5 6 8 4 4 4 4 4 5 5 5 3 3 3 4 4 6 6 6 3 Wind gust 16 14 14 14 16 14 14 18 17 17 Clouds B1 SC SC FW FW FW FW FW B1 SC SC CL CL FW FW FW SC FW FW FW FW PoP 12hr 10 10 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Heat index 89102107105 91 87 82 92103108105 91 87 81 90102106102 Max heat 107 114 105 90 107 113 105 87 105 110 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 96 73 87 70 89 72 93 Temp 82 78 93 90 77 73 83 82 73 70 85 85 76 73 88 87 Dewpt 69 68 72 74 74 72 73 72 71 69 71 71 69 68 71 71 PWind dir SW W N NE E SE SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 B1 B1 SC SC SC SC SC SC FW SC FW PoP 12hr 5 10 40 20 20 10 20 5 Rain shwrs C C S S S S Tstms C C S S S S $$ ILZ095>097-MOZ018-019-026-027-132100- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Including the cities of Quincy, Mount Sterling, Pittsfield, and Hannibal 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 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 91 73 92 75 93 Temp 73 79 86 89 88 79 77 75 74 82 88 91 89 81 79 77 76 83 90 93 90 Dewpt 71 76 78 79 79 77 75 73 73 76 77 78 79 77 75 73 71 74 76 75 77 RH 93 91 77 73 75 94 94 94 97 82 70 66 73 88 88 87 85 74 64 56 66 Wind dir E SE SE SE E E E E E SE S S SE SE SE S SW SW SW SW SW Wind spd 3 4 5 6 6 8 5 5 5 5 5 5 4 5 5 4 4 6 6 6 3 Wind gust 16 18 19 18 16 17 17 14 16 18 18 18 Clouds B2 B2 SC SC FW FW SC B1 B1 SC SC SC FW SC SC SC SC SC SC SC SC PoP 12hr 40 40 10 30 20 QPF 12hr 0.00-0.47 0.00-0.28 0 0.00-0.18 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S C C S C C S S Tstms C C S S S S S S S S S S Heat index 98105104 83 88101105105 87 81 90101105103 Max heat 105 114 105 85 106 114 106 86 106 110 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 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 75 90 69 83 66 85 69 87 Temp 79 76 87 84 74 70 81 80 70 67 82 82 72 70 85 84 Dewpt 72 71 76 77 73 70 72 72 69 67 71 72 68 68 72 73 PWind dir SW NW N NE E SE SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 20 30 10 5 5 20 10 Rain shwrs S S S C S S Tstms S S S C S S $$ MOZ034>036-132100- Monroe MO-Ralls MO-Pike MO- Including the city of Bowling Green 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 74 94 76 94 Temp 74 80 88 91 90 82 80 77 75 83 90 93 91 83 81 78 77 84 91 94 92 Dewpt 71 75 77 77 78 76 74 72 71 74 75 76 78 76 73 71 69 72 73 73 75 RH 90 85 70 64 68 82 82 85 87 74 62 58 66 80 77 79 76 67 56 51 58 Wind dir SE S S S SE SE SE SE E S SW S SE SE S SW SW SW SW SW SW Wind spd 3 4 5 6 4 6 4 4 3 5 5 4 3 4 4 4 4 6 6 6 3 Wind gust 16 18 17 14 14 13 14 16 14 19 18 18 Clouds B1 B1 SC SC FW FW SC SC B1 SC SC SC FW FW FW SC SC SC SC SC SC PoP 12hr 30 30 10 20 10 QPF 12hr 0.00-0.13 0.00-0.06 0 0.00-0.10 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C S C C S S Tstms C S S S S S S S Heat index 85100106106 89 82 90101105106 90 86 90100103103 Max heat 105 114 108 90 107 115 109 90 107 110 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 92 70 84 67 85 70 88 Temp 81 77 89 87 75 72 82 81 71 68 82 83 74 71 86 85 Dewpt 70 69 74 76 74 71 72 71 69 68 71 71 68 67 71 72 PWind dir S NW N N E SE SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC B1 B1 SC SC SC SC SC SC SC FW SC SC PoP 12hr 10 20 40 10 10 10 20 10 Rain shwrs S S C C S S Tstms S S C C S S $$ ILZ069-074-132100- Clinton IL-Washington IL- 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 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 76 97 76 98 Temp 75 83 90 93 89 82 81 78 76 86 93 96 91 83 81 78 76 87 95 97 92 Dewpt 72 78 79 81 80 76 75 73 73 77 78 79 79 76 75 73 72 76 76 76 77 RH 90 85 70 68 75 82 82 85 90 75 62 58 68 80 82 85 87 70 54 51 62 Wind dir SE S SW S SE SE SE S S S SW SW S SE S S S SW W SW S Wind spd 1 2 3 3 4 5 5 4 3 3 3 3 2 4 4 3 2 3 3 3 2 Clouds B1 B1 B1 SC SC SC FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 30 10 10 5 0 QPF 12hr 0.00-0.14 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S Tstms C S S S Heat index 92107113106 89 86 98109114109 91 87 98109111106 Max heat 109 118 106 94 112 118 108 93 111 114 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 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 77 98 73 88 68 87 70 91 Temp 81 77 95 92 78 74 86 82 73 70 84 83 74 71 88 86 Dewpt 71 70 75 76 75 74 76 74 72 69 72 72 70 69 73 73 PWind dir S W N N NE E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC B1 B1 SC SC SC SC FW FW SC SC PoP 12hr 0 5 40 30 10 10 10 10 Rain shwrs C C S C Tstms C C S C $$ ILZ070-132100- Marion IL- Including the cities of Centralia and Salem 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 75 95 76 96 Temp 75 81 89 91 88 80 79 77 76 85 92 94 90 82 80 78 76 86 93 96 90 Dewpt 72 77 78 79 78 76 74 73 73 76 77 77 78 76 75 73 72 75 76 75 75 RH 90 88 70 68 72 88 85 87 90 75 62 58 68 82 85 85 87 70 58 51 62 Wind dir SE SE SW S E E SE SE SE S SW SW SE SE SE SE S SW SW SW S Wind spd 1 2 3 3 3 4 4 4 3 3 3 3 2 3 3 3 2 3 3 3 2 Clouds B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 30 20 10 5 0 QPF 12hr 0.01 0.00-0.27 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S Tstms C S S S S Heat index 88103108101 85 81 95106110103 88 84 95106108101 Max heat 108 112 100 85 109 113 102 85 109 111 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 96 73 87 67 86 68 90 Temp 81 77 94 90 78 74 85 81 72 69 83 82 73 70 87 85 Dewpt 71 70 74 75 74 73 73 71 70 68 69 69 68 68 71 71 PWind dir S W N N NE E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC B1 B1 SC SC FW FW FW FW SC SC PoP 12hr 0 5 40 30 10 10 10 10 Rain shwrs C C S C Tstms C C S C $$ MOZ074-084-085-099-132100- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 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 76 98 75 99 Temp 77 85 94 96 91 83 80 78 76 87 95 98 93 83 80 78 76 88 96 99 94 Dewpt 70 74 74 73 74 72 71 70 69 72 72 72 73 71 69 67 67 70 69 69 70 RH 79 70 53 48 58 70 74 76 79 61 48 43 52 67 69 69 74 55 42 38 46 Wind dir S SW SW SW S S S SW SW SW SW S S S S SW SW SW SW SW S Wind spd 2 3 4 4 2 3 3 3 2 3 3 3 2 2 2 2 2 3 3 3 2 Wind gust 13 13 16 14 16 16 13 14 13 14 14 12 13 Clouds SC FW SC SC SC FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW FW PoP 12hr 10 5 5 0 0 QPF 12hr 0.00-0.17 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 92104106100 88 83 93104107101 88 83 92102105100 Max heat 110 114 99 86 111 114 101 84 108 111 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 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 76 99 74 90 69 89 70 92 Temp 80 76 97 93 78 74 87 83 73 70 86 84 74 71 89 86 Dewpt 67 66 69 70 70 72 75 74 72 70 73 73 70 68 72 72 PWind dir SW W NW N NE E SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC B1 B1 SC SC FW FW FW SC FW PoP 12hr 0 5 10 50 30 20 10 10 Rain shwrs S S S C C S Tstms S S S C C S $$ MOZ051-060-132100- Montgomery MO-Warren MO- 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 74 97 75 97 Temp 75 81 90 93 91 83 81 78 75 84 91 95 92 83 81 78 75 84 93 96 93 Dewpt 71 76 77 77 78 75 73 71 71 75 76 76 78 74 72 70 69 73 74 73 76 RH 87 85 66 60 66 77 77 79 87 74 62 54 64 74 74 76 82 70 54 48 58 Wind dir S S SW S SE SE S SW SE S SW S SE SE S SW SW SW SW SW SW Wind spd 2 3 4 4 3 4 4 3 3 4 4 3 1 3 3 3 3 4 4 4 1 Wind gust 14 13 14 16 14 Clouds B1 SC SC SC FW FW SC SC B1 SC B1 FW CL FW FW FW FW FW FW FW FW PoP 12hr 20 20 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 88103108106 90 85 92103108108 90 86 90102105105 Max heat 109 116 105 87 110 116 106 87 107 111 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 95 70 85 66 86 69 90 Temp 81 75 92 90 77 72 82 80 71 68 82 83 74 70 86 86 Dewpt 70 68 75 76 75 72 74 73 71 68 72 72 69 67 73 73 PWind dir SW W N N NE SE SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC B1 B1 SC SC SC SC SC SC FW SC SC PoP 12hr 0 10 40 20 20 10 10 10 Rain shwrs C C S S S S Tstms C C S S S $$ MOZ052-132100- Lincoln MO- 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 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 75 96 76 96 Temp 74 81 89 93 91 83 81 78 76 85 92 95 93 84 82 78 77 85 93 96 93 Dewpt 72 77 78 78 79 76 74 72 72 76 76 77 79 76 74 72 70 74 74 74 76 RH 93 88 70 62 68 80 79 82 87 75 60 56 64 77 77 82 79 70 54 49 58 Wind dir SE S SW S SE SE SE S NE S SW S S SE S SW SW SW SW SW SW Wind spd 2 3 4 4 3 4 3 3 2 3 4 3 2 3 3 3 2 3 4 4 1 Clouds B1 B1 B1 SC SC FW SC SC SC SC SC FW CL FW FW FW FW FW FW FW FW PoP 12hr 30 20 10 5 5 QPF 12hr 0.00-0.10 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S Tstms C S S S Heat index 89104109108 92 86 94105110110 93 87 93104107106 Max heat 108 115 106 89 109 114 109 89 107 111 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 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 76 94 71 85 67 86 70 90 Temp 82 77 92 90 77 73 83 81 72 69 83 84 74 71 87 86 Dewpt 71 69 75 77 75 72 74 73 71 69 72 72 69 68 73 73 PWind dir SW W N N NE SE SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC B1 B1 SC SC SC SC SC FW FW SC SC PoP 12hr 5 10 50 20 10 10 10 10 Rain shwrs C C S S S S Tstms C C S S S $$ ILZ058-059-098-099-132100- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 73 94 74 95 Temp 73 81 88 91 88 81 79 76 75 84 90 93 90 82 80 77 75 85 92 95 91 Dewpt 72 76 77 78 78 76 74 73 73 75 77 77 79 76 74 73 72 74 75 75 76 RH 97 85 70 66 72 85 85 90 94 74 66 60 70 82 82 87 90 70 58 53 62 Wind dir SE SE S S E E SE SE E SE S S SE SE SE S SW SW SW SW S Wind spd 2 3 4 5 6 6 5 4 3 4 4 4 3 5 5 4 4 4 5 5 3 Clouds B2 B1 B1 SC SC SC SC SC B1 SC SC FW CL FW FW FW FW SC FW FW FW PoP 12hr 30 20 10 5 5 QPF 12hr 0.00-0.23 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S S S Tstms C S S S S S S S Heat index 87100106103 86 80 92103107106 89 83 93103107103 Max heat 106 115 106 90 109 114 109 90 107 110 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 94 70 85 65 85 68 89 Temp 80 76 91 88 76 72 83 81 71 67 83 82 73 70 86 85 Dewpt 72 70 75 76 75 72 72 71 69 67 69 70 68 67 71 72 PWind dir S W N N NE SE SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC SC B1 B1 SC SC SC SC FW SC FW SC SC PoP 12hr 5 10 50 20 10 10 10 10 Rain shwrs S C C S S S S Tstms S C C S S S $$ ILZ060-064-065-132100- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 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 91 73 93 74 94 Temp 73 80 87 90 87 80 78 76 74 83 91 93 89 81 79 77 75 85 91 94 90 Dewpt 71 76 78 79 79 76 74 73 73 76 78 78 79 76 75 73 72 75 77 76 77 RH 93 88 75 70 77 88 88 90 97 80 66 62 73 85 88 87 90 72 64 56 66 Wind dir SE SE S SE E E SE SE E SE S S SE SE SE SE S SW SW SW S Wind spd 2 3 3 4 4 5 5 4 3 4 4 4 3 4 4 4 3 4 4 4 2 Clouds B2 B1 B1 B1 SC SC SC SC SC SC SC FW FW FW FW FW FW SC FW FW FW PoP 12hr 30 20 10 5 5 QPF 12hr 0.00-0.57 0.00-0.31 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S S Tstms C S S S S S S Heat index 86101106101 82 91105109105 87 81 93105108103 Max heat 108 115 105 93 110 115 106 94 109 113 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 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 75 94 71 85 65 85 67 88 Temp 80 76 92 88 76 73 83 81 71 67 82 82 72 69 86 84 Dewpt 72 70 75 76 75 72 73 71 70 67 69 70 68 67 72 72 PWind dir S W N N NE SE SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW B1 B1 B1 SC SC FW FW FW FW SC SC PoP 12hr 0 10 40 20 10 10 10 10 Rain shwrs C C S S Tstms C C S S $$ ILZ079-MOZ075-132100- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 76 98 76 99 Temp 77 84 93 96 91 84 81 79 77 87 95 97 93 84 82 78 76 88 96 99 94 Dewpt 71 77 78 77 78 75 73 72 71 75 75 75 77 74 72 70 69 73 73 72 74 RH 82 80 62 55 66 74 77 79 82 68 53 50 60 72 72 76 79 61 48 42 53 Wind dir S SW S S S S S S SW SW SW S S S S SW SW W W SW S Wind spd 3 3 3 5 4 6 6 6 4 4 3 3 3 5 5 4 3 3 3 3 3 Wind gust 14 Clouds B1 SC SC SC SC FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 20 10 10 0 0 QPF 12hr 0.00-0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 94108111105 91 86 97108111107 92 86 96106108105 Max heat 113 117 106 90 113 117 107 87 110 112 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 99 73 89 68 88 70 92 Temp 82 77 97 93 79 75 86 83 73 70 85 85 75 71 89 87 Dewpt 69 68 72 74 73 73 76 75 72 70 73 72 70 68 73 73 PWind dir SW W N N NE E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC B1 B1 SC SC SC FW FW FW SC SC PoP 12hr 0 5 30 30 20 10 10 10 Rain shwrs C S C S Tstms C S C S $$ MOZ059-062-072-073-132100- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 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 97 77 99 76 99 Temp 77 85 93 96 91 83 82 79 77 87 95 98 93 84 81 79 76 88 96 99 94 Dewpt 70 75 75 74 75 72 71 69 69 73 73 73 74 72 69 67 67 71 71 69 72 RH 79 72 56 49 60 70 69 72 76 63 49 45 54 67 67 67 74 57 45 38 49 Wind dir S SW SW S S S S SW SW SW SW S S S S SW SW SW SW SW S Wind spd 3 4 4 4 3 3 4 4 3 4 4 3 2 3 3 3 3 4 4 4 1 Wind gust 13 14 14 14 17 17 14 16 14 14 14 Clouds SC SC SC SC FW FW FW FW SC SC FW CL FW FW FW FW FW FW FW FW FW PoP 12hr 10 10 5 0 0 QPF 12hr 0.00-0.24 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 93105108102 89 85 80 95105108104 90 85 94103106102 Max heat 112 116 105 88 110 115 106 87 109 111 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 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 76 98 72 87 68 88 70 92 Temp 81 76 95 92 78 73 85 82 72 69 85 84 74 72 89 86 Dewpt 67 67 71 73 73 72 76 74 71 69 73 72 69 68 72 72 PWind dir SW W N N NE SE SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC B1 B1 SC SC SC SC FW FW SC FW PoP 12hr 0 5 30 40 20 10 10 10 Rain shwrs C S S C S S S Tstms C S S C S S $$ ILZ102-MOZ065-132100- Monroe IL-Jefferson MO- 425 AM CDT Thu Aug 13 2026 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 76 99 76 100 Temp 77 85 94 96 92 83 81 79 77 88 96 99 94 84 82 79 77 89 97100 95 Dewpt 71 78 78 78 78 74 72 71 71 76 76 75 77 74 71 69 69 73 73 72 74 RH 82 80 60 56 64 74 74 77 82 68 53 47 58 72 69 72 76 59 46 41 51 Wind dir S SW SW S S S S SW SW SW SW S S S S SW SW W W SW S Wind spd 2 3 3 4 3 4 4 4 3 3 3 3 3 3 3 3 3 3 3 3 2 Wind gust 14 16 13 13 Clouds B1 SC SC SC SC FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 20 10 10 0 0 QPF 12hr 0.00-0.20 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 97110113106 91 86 99110113108 92 86 97107110105 Max heat 115 118 106 87 114 118 107 88 111 114 Extreme Heat W W W W W W W W W W W W W W W W W W W W W Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 99 73 88 68 88 70 93 Temp 82 77 96 93 79 74 86 82 73 70 85 84 74 72 90 87 Dewpt 69 67 73 74 74 73 77 74 72 69 74 72 69 68 73 73 PWind dir SW W N N NE E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC B1 B1 B1 SC SC SC SC FW FW SC SC PoP 12hr 0 5 30 30 10 10 10 10 Rain shwrs C C S C S Tstms C C S C S $$