Area Forecast Matrices
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
181 FOUS53 KLSX 150056 AFMLSX Area Forecast Matrices National Weather Service Saint Louis MO 755 PM CDT Fri Aug 14 2026 ILZ100-101-MOZ061-063-064-150900- 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 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 76 95 72 Temp 84 81 79 78 88 94 97 92 85 82 79 77 88 93 95 91 82 78 75 73 Dewpt 76 74 72 71 74 73 71 74 73 71 69 69 74 75 76 77 76 75 74 72 RH 77 79 79 79 63 51 43 56 67 69 72 76 63 56 54 64 82 91 97 97 Wind dir SE SE S S SW SW SW SW S SW SW W W W NW N N N N N Wind spd 4 4 4 3 4 5 5 3 3 3 4 4 5 6 6 4 4 3 3 3 Clouds FW SC SC B1 SC SC SC FW FW SC SC SC SC B1 SC SC SC B1 B1 B1 PoP 12hr 10 10 5 10 50 QPF 12hr 0 0 0 0 0.11-0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S Tstms S S C C S Heat index 93 86 81 97103106103 92 87 80 96105108104 89 Max heat 109 105 90 107 110 105 92 110 113 105 86 Extreme Heat W W W W W W W W W W W W W W W W Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 68 89 73 94 70 85 67 83 Temp 84 83 73 69 86 87 77 74 91 88 76 71 83 81 72 68 81 80 Dewpt 73 71 70 68 71 71 69 68 73 73 71 68 70 69 67 65 68 69 PWind dir N NE SE S W N NE NE N Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC SC FW FW SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 10 5 5 5 10 30 30 10 20 Rain shwrs S S C C C S S Tstms S S S S S $$ MOZ049-050-150900- Osage MO-Callaway MO- Including the city of Fulton 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 97 74 93 70 Temp 84 81 78 77 86 94 96 92 83 80 77 75 85 91 92 88 80 76 72 71 Dewpt 73 71 70 70 71 71 70 73 71 68 67 68 72 74 75 75 74 73 72 70 RH 70 72 76 79 61 47 43 54 67 67 71 79 65 58 58 66 82 90100 97 Wind dir SE S SW SW SW SW SW SW S SW SW W W W NW N N N N N Wind spd 4 4 5 5 6 8 6 2 2 3 4 4 5 5 5 4 4 3 3 3 Wind gust 16 18 18 Clouds SC SC B1 B1 FW SC SC FW SC SC FW SC B1 B1 SC B1 B1 B1 B1 B1 PoP 12hr 20 10 10 10 40 QPF 12hr 0 0 0 0 0.03-0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C S Tstms S S S S C C S S S Heat index 91 84 91101103101 88 83 91100103 98 83 Max heat 111 103 86 104 107 99 85 105 109 99 Extreme Heat W W W W W W W W W W W W W W W W Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 67 90 73 93 69 83 66 82 Temp 83 82 72 68 87 87 78 74 90 87 75 70 81 79 70 67 80 79 Dewpt 71 70 69 67 70 71 68 68 71 71 69 67 69 68 66 65 68 69 PWind dir N E S S NW NE NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC FW FW SC SC SC B1 SC B1 SC SC SC SC SC PoP 12hr 20 10 5 10 10 30 30 20 20 Rain shwrs S S S S C C S S S Tstms S S S S S S S S $$ MOZ042-150900- Audrain MO- Including the city of Mexico 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 89 67 Temp 83 78 76 75 84 90 92 90 82 80 77 75 83 87 89 86 77 74 70 68 Dewpt 74 72 70 69 72 73 73 75 71 68 67 68 73 74 75 74 73 72 70 68 RH 74 82 82 82 67 58 54 62 69 67 71 79 72 65 64 68 87 93100100 Wind dir SE S S SW SW SW SW SW S SW SW W NW NW NW N N N N N Wind spd 6 6 6 8 10 10 9 3 3 4 5 5 6 6 6 6 6 3 3 3 Wind gust 17 18 20 Clouds SC B2 B2 B2 SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 30 20 10 20 40 QPF 12hr 0 0 0 0 0.03-0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C S S Tstms S S S S S C C S Heat index 89 90 99101100 86 82 88 96 98 94 Max heat 104 100 101 105 100 84 99 102 93 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 83 65 87 71 88 67 80 64 80 Temp 81 81 70 66 85 85 76 73 86 84 72 68 78 78 68 65 78 77 Dewpt 69 68 66 66 70 70 67 67 71 71 68 66 68 67 64 64 67 68 PWind dir N NE S S NW NE NE NE NE Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC SC FW FW SC B1 SC B1 SC B1 SC SC SC SC SC PoP 12hr 5 5 5 10 10 30 30 20 10 Rain shwrs S S C C S S Tstms S S S S S $$ MOZ041-047-048-150900- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 98 76 94 71 Temp 84 81 79 77 86 94 96 92 84 82 79 77 85 91 93 88 80 76 73 71 Dewpt 73 71 70 69 71 71 71 74 70 68 68 69 72 74 75 75 74 73 72 71 RH 70 72 74 76 61 47 45 56 63 63 69 76 65 58 56 66 82 90 97100 Wind dir SE S S SW SW SW SW SW S SW SW W W NW NW N N N N N Wind spd 4 4 4 5 6 8 6 2 3 3 4 3 4 5 5 4 4 3 2 2 Wind gust 14 16 18 20 19 17 Clouds SC B1 B1 B1 FW SC SC SC SC SC FW B1 B1 B1 SC B1 B1 B1 B1 B1 PoP 12hr 20 10 10 10 30 QPF 12hr 0 0 0 0 0.00-0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C S Tstms S S S S C S S S S Heat index 91 84 91101104102 89 85 91100104 98 83 Max heat 111 105 86 104 108 102 86 105 109 99 Extreme Heat W W W W W W W W W W W W W W W W Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 68 92 75 93 70 84 68 83 Temp 83 82 73 69 88 88 79 76 90 87 75 71 81 80 71 68 80 80 Dewpt 71 70 68 68 70 71 68 68 71 71 69 68 69 68 66 65 68 69 PWind dir N E S S NW NE NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC FW FW SC B1 SC B1 SC B1 SC SC SC SC SC PoP 12hr 10 10 5 10 10 30 30 20 20 Rain shwrs S S S S S C C S S S Tstms S S S S S S S S S $$ ILZ095-096-MOZ018-019-150900- Adams IL-Brown IL-Knox MO-Lewis MO- Including the cities of Quincy and Mount Sterling 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 94 74 88 67 Temp 79 76 75 74 83 89 92 88 82 80 76 75 81 86 87 83 76 72 69 67 Dewpt 77 75 73 72 75 75 74 76 74 72 71 72 75 76 76 75 73 71 69 67 RH 94 97 94 93 77 64 56 68 77 77 85 90 82 72 70 77 90 97100100 Wind dir E SE SE SE SW SW SW W S SW NW NW NW NW NW N N N N N Wind spd 6 5 5 6 8 9 9 4 3 4 4 3 4 5 6 6 5 3 3 3 Wind gust 17 17 16 18 20 19 19 Clouds B2 B2 OV B2 B1 B1 B1 SC B1 B1 B2 B2 B2 B1 B1 B1 B2 SC SC FW PoP 12hr 60 40 30 30 10 QPF 12hr 0.01-0.25 0.00-0.15 0.00-0.13 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L C S S C C S S C C S S Tstms C C C C S S C C S S C C S S Heat index 81 90 99102 99 88 82 87 96 98 91 Max heat 94 91 102 105 102 87 102 103 91 Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 84 65 88 71 87 66 79 64 80 Temp 81 80 69 66 85 85 75 72 85 82 71 67 77 76 67 65 77 77 Dewpt 68 68 66 66 70 71 69 68 73 72 68 66 68 67 65 64 67 68 PWind dir N E S SE NW N NE NE NE Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW SC SC SC FW SC FW SC B1 B1 SC SC B1 SC SC SC SC SC PoP 12hr 0 0 0 30 20 30 20 20 20 Rain shwrs C S C S S S Tstms C S S S $$ MOZ026-027-034-150900- Shelby MO-Marion MO-Monroe MO- Including the city of Hannibal 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 93 74 89 67 Temp 81 77 75 74 84 90 92 89 82 80 77 75 82 86 88 85 76 73 70 68 Dewpt 75 73 72 70 74 74 73 75 72 70 69 70 73 75 75 74 73 71 69 67 RH 82 87 90 87 72 60 54 64 72 72 76 84 74 70 66 70 90 93 97 97 Wind dir SE S S SW SW SW SW W S SW NW NW NW NW NW N N N N N Wind spd 5 5 5 6 9 10 9 3 3 4 4 3 4 4 5 5 5 3 2 2 Wind gust 16 17 18 20 19 14 14 Clouds B2 B2 OV B2 B1 SC SC SC B1 SC B1 B2 B2 B1 B1 B1 B2 SC SC SC PoP 12hr 40 30 20 20 20 QPF 12hr 0.00-0.06 0 0.00-0.05 0 0.00-0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S S S S S S S S Tstms S S C S S S S S S S S S S Heat index 87 91 99101 99 88 83 87 95 97 93 Max heat 101 97 102 105 102 90 100 103 93 Heat Y Y Y Y Y Y Y Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 65 88 72 88 67 79 64 80 Temp 81 81 70 66 85 86 76 73 86 84 72 67 78 77 68 65 77 78 Dewpt 67 67 66 66 69 70 68 67 71 71 68 66 67 67 64 63 67 68 PWind dir N NE S S N N NE NE NE Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW SC SC SC FW FW FW SC B1 B1 SC SC B1 SC SC SC SC SC PoP 12hr 5 5 5 20 20 30 20 20 20 Rain shwrs S S S C S S S Tstms S S S C S $$ ILZ097-MOZ035-036-150900- Pike IL-Ralls MO-Pike MO- Including the cities of Pittsfield and Bowling Green 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 94 75 91 68 Temp 81 78 76 75 85 90 93 90 83 81 78 76 83 88 90 86 78 75 71 69 Dewpt 77 75 73 71 74 73 73 75 74 71 70 70 74 76 76 76 75 73 71 69 RH 88 91 90 87 70 58 52 62 74 72 76 82 74 68 64 72 91 94100100 Wind dir SE SE S S SW SW SW W S S W NW NW NW NW N N N N N Wind spd 4 4 4 4 6 8 6 3 2 3 4 3 4 4 5 5 4 3 2 2 Wind gust 14 14 16 17 19 19 18 14 13 14 Clouds B1 B2 B2 B2 B1 SC SC SC SC SC SC B2 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 40 30 10 20 30 QPF 12hr 0 0 0 0 0.00-0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S S S C C S S Tstms S S C C S S S S C S Heat index 88 92 99102101 89 85 90 98101 96 Max heat 106 103 101 106 103 90 105 107 99 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 85 66 88 72 89 67 80 65 81 Temp 82 81 71 67 85 86 76 73 87 85 73 68 79 78 69 66 78 78 Dewpt 69 68 67 66 70 71 68 68 72 72 69 66 68 67 65 64 67 68 PWind dir N NE S S NW N NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW SC B1 B1 SC SC B1 B1 SC SC SC SC PoP 12hr 5 5 5 10 20 30 30 20 20 Rain shwrs S S C C S S Tstms S S C S $$ ILZ069-070-074-150900- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 96 75 95 72 Temp 82 79 78 77 88 94 96 90 83 81 78 76 88 93 95 90 81 78 74 73 Dewpt 77 74 72 72 75 74 73 76 74 71 69 69 74 76 76 77 76 75 74 73 RH 85 85 82 85 66 53 48 64 74 72 74 79 63 58 54 66 85 91100100 Wind dir SE SE S S SW SW SW SW S SW SW SW W W NW NW N N N N Wind spd 3 3 3 3 3 3 3 2 3 3 4 3 4 5 4 2 2 2 2 2 Clouds FW FW FW B1 SC SC FW FW FW FW SC FW FW SC SC SC SC SC B1 B1 PoP 12hr 5 5 0 5 50 QPF 12hr 0 0 0 0 0.07-0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms S S S S Heat index 90 82 97104106102 89 85 97106108103 87 Max heat 109 105 85 106 109 105 93 110 112 103 88 Extreme Heat W W W W W W W W W W W W W W W W Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 67 88 71 93 70 85 66 83 Temp 85 82 72 68 85 85 75 72 90 87 75 71 83 81 71 67 81 79 Dewpt 74 72 70 68 71 71 69 69 74 73 71 69 70 69 67 65 68 68 PWind dir N N SE S W N N NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC FW FW SC SC SC SC B1 B1 SC SC SC SC PoP 12hr 20 5 5 5 10 30 20 10 20 Rain shwrs S C S S S S S S Tstms S S S S S S $$ MOZ074-084-085-099-150900- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 98 74 98 72 Temp 83 80 78 77 87 96 98 93 83 79 77 75 88 96 98 93 82 78 75 73 Dewpt 71 69 68 68 69 69 68 69 68 66 66 67 70 70 70 72 72 72 72 72 RH 67 69 71 74 55 42 38 46 61 64 69 76 55 43 41 51 72 82 90 97 Wind dir S S SW SW SW SW SW SW S SW SW SW W W W NW NW N N N Wind spd 3 2 2 2 3 3 3 1 2 2 3 2 3 3 3 1 1 1 2 2 Wind gust 13 14 14 12 14 13 16 13 14 13 13 11 12 12 Clouds CL CL CL SC CL FW CL FW CL FW FW FW FW FW FW SC SC SC B1 B1 PoP 12hr 0 0 0 5 30 QPF 12hr 0 0 0 0 0.00-0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S Tstms S S S S S Heat index 88 83 92102104 98 86 80 94103106101 87 Max heat 105 100 86 106 108 101 83 109 111 101 83 Extreme Heat W W W W W W W W W W W W W W W W Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 67 90 72 95 70 88 67 84 Temp 87 83 73 68 88 86 76 72 93 88 75 71 85 82 71 67 82 79 Dewpt 74 74 71 68 72 72 69 68 71 72 69 68 70 70 67 65 68 69 PWind dir N N S S W N NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 SC SC FW FW FW SC SC SC SC B1 SC SC SC SC SC PoP 12hr 40 10 5 5 10 20 30 20 20 Rain shwrs S C S S C C S S S Tstms S C S S S C S S $$ MOZ051-060-150900- Montgomery MO-Warren MO- 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 97 73 92 68 Temp 84 81 78 77 85 92 96 92 83 80 77 74 84 90 92 89 80 75 72 69 Dewpt 75 73 71 70 73 72 71 74 73 70 68 68 74 75 76 76 75 74 72 69 RH 74 77 79 79 67 52 45 56 72 72 74 82 72 62 60 66 85 97100100 Wind dir SE S SW SW SW SW SW W S SW SW W W W NW N N N N N Wind spd 3 3 3 4 5 5 4 1 1 2 3 3 4 4 4 3 3 2 2 2 Wind gust 13 13 14 17 18 14 Clouds SC B1 B1 B2 SC SC SC FW SC SC SC SC B1 B1 SC B1 B1 B1 B1 SC PoP 12hr 20 20 10 10 50 QPF 12hr 0 0 0 0 0.05-0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C Tstms S S S S C C S Heat index 92 85 91100103101 88 82 91101105100 83 Max heat 106 102 86 105 109 100 86 107 111 102 Extreme Heat W W W W W W W W W W W W W W W W Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 65 89 71 92 67 82 64 81 Temp 82 81 71 66 85 86 76 72 89 86 74 68 80 79 69 65 79 78 Dewpt 71 70 68 66 71 72 68 68 72 72 70 67 69 69 66 64 68 69 PWind dir N NE S S NW N NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW SC FW SC SC SC B1 SC B1 B1 SC SC SC SC PoP 12hr 10 5 5 5 10 40 30 10 20 Rain shwrs S C C S S Tstms S S S $$ MOZ052-150900- Lincoln MO- 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 96 75 92 70 Temp 83 80 78 76 86 92 95 92 84 81 78 76 86 90 92 89 80 76 73 71 Dewpt 77 74 72 71 74 72 71 74 74 72 69 69 74 76 76 76 76 74 72 70 RH 82 82 82 85 68 52 46 56 72 74 74 79 68 64 60 66 88 94 97 97 Wind dir SE SE SW SW SW SW SW W S SW SW W W NW NW N N N N N Wind spd 3 3 3 3 4 5 5 1 1 2 3 3 3 4 4 3 3 2 2 2 Wind gust 13 14 16 13 Clouds SC B1 B2 B2 SC SC SC FW SC SC FW SC B1 B1 B1 SC B1 B1 B1 SC PoP 12hr 30 20 10 10 50 QPF 12hr 0 0 0 0 0.09-0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S Tstms S S C C S Heat index 92 84 94100103102 91 85 94102105101 85 Max heat 109 105 86 103 106 102 90 106 109 100 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 66 89 72 91 68 82 65 82 Temp 83 82 72 67 86 87 77 73 89 87 74 69 81 79 70 66 80 79 Dewpt 71 69 68 67 71 71 69 68 73 72 70 67 69 68 66 64 68 68 PWind dir N NE S S NW N NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW SC SC SC B1 SC B1 B1 SC SC SC SC PoP 12hr 10 5 5 5 20 30 30 20 20 Rain shwrs S S S C C S S Tstms S S S S S $$ ILZ058-059-098-099-150900- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 95 74 92 68 Temp 81 79 77 76 86 91 94 90 83 81 78 75 85 90 91 88 79 75 72 69 Dewpt 77 75 73 72 75 73 74 75 74 72 70 70 74 75 76 76 75 74 72 69 RH 88 88 87 87 70 56 53 62 74 74 76 84 70 62 62 68 88 97100100 Wind dir SE SE S S SW SW SW W S SW SW W W NW NW N N N N N Wind spd 5 5 4 4 5 6 6 3 3 3 4 4 5 5 6 5 4 3 3 3 Clouds SC B1 B2 B2 B1 SC SC FW FW SC SC SC B1 B1 B1 SC B1 B1 B1 SC PoP 12hr 30 30 5 10 40 QPF 12hr 0 0 0 0 0.00-0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S C C C C Tstms S S C S C C S Heat index 88 81 95100103100 89 85 93100103 98 80 Max heat 109 103 87 103 107 105 90 106 109 100 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 64 87 70 91 67 82 64 82 Temp 83 81 70 66 85 85 75 71 88 85 73 68 80 79 69 65 79 79 Dewpt 70 69 68 66 69 70 68 68 72 71 69 66 67 67 65 63 66 67 PWind dir N NE S S NW N NE NE NE Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC FW FW FW SC B1 SC B1 SC B1 SC SC SC SC SC PoP 12hr 5 5 0 5 20 30 30 20 20 Rain shwrs S S S C C S S Tstms S S S S $$ ILZ060-064-065-150900- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 94 74 92 70 Temp 80 77 76 76 86 90 93 89 82 81 78 75 86 90 92 88 79 76 73 71 Dewpt 77 75 73 72 75 76 75 76 74 72 70 70 74 76 76 76 75 74 73 71 RH 91 94 90 87 70 64 56 66 77 74 76 84 68 64 60 68 88 94100100 Wind dir SE SE SE S SW SW SW SW S SW SW W W W NW NW N N N N Wind spd 3 3 3 3 4 5 5 3 3 3 4 4 5 5 6 4 3 2 2 3 Clouds SC SC B1 B2 SC SC SC FW FW FW SC SC SC B1 B1 SC SC B1 B1 SC PoP 12hr 20 20 5 10 50 QPF 12hr 0 0 0 0 0.00-0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C Tstms S S S C C S Heat index 85 96102104100 89 85 95102104100 82 Max heat 106 101 105 109 105 93 107 110 103 87 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 85 65 86 69 90 68 83 64 82 Temp 83 81 71 66 84 84 74 71 88 85 74 69 81 79 70 65 80 78 Dewpt 72 70 68 66 70 71 68 68 73 72 70 67 69 68 66 64 67 67 PWind dir N N S S W N NE NE NE Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC FW FW FW SC SC SC B1 B1 SC B1 SC SC SC SC PoP 12hr 10 5 0 5 20 30 20 20 20 Rain shwrs S C S S S S S Tstms S S S S S S $$ ILZ079-MOZ075-150900- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 99 74 98 71 Temp 84 82 80 79 88 96 98 93 84 81 78 75 88 95 97 92 82 79 75 72 Dewpt 74 72 70 70 72 71 70 73 72 69 67 67 73 74 74 76 75 74 74 72 RH 72 72 72 74 59 45 41 52 67 67 69 76 61 51 48 60 79 85 97100 Wind dir S S S SW SW SW SW SW S SW SW SW W W NW N N N NW N Wind spd 5 5 4 3 3 3 3 3 4 4 5 4 5 4 4 2 2 3 3 3 Wind gust 14 16 Clouds CL CL FW SC FW FW FW FW CL FW FW FW FW SC SC SC SC SC B1 B1 PoP 12hr 0 5 0 10 40 QPF 12hr 0 0 0 0 0.05-0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S Tstms S S S S S Heat index 92 86 81 95104106101 90 84 96106109105 89 Max heat 110 105 88 106 108 100 86 110 113 105 84 Extreme Heat W W W W W W W W W W W W W W W W Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 67 89 72 95 70 86 66 83 Temp 86 83 73 68 87 86 77 73 92 88 76 71 84 81 72 67 81 79 Dewpt 75 74 71 68 73 73 70 68 73 74 70 69 71 71 68 66 69 70 PWind dir N NE SE S W N N NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC FW FW SC SC SC SC B1 SC SC SC SC SC PoP 12hr 30 10 5 5 10 20 30 20 20 Rain shwrs S C S S S C S S S Tstms S C S S S S S S S $$ MOZ059-062-072-073-150900- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 99 75 96 70 Temp 84 82 80 78 88 95 98 93 83 80 78 76 88 94 96 91 81 77 73 71 Dewpt 72 70 68 69 71 70 70 72 70 67 66 67 72 72 73 75 74 73 73 71 RH 67 67 67 74 57 45 41 51 65 65 67 74 59 49 48 60 79 87100100 Wind dir S S SW SW SW SW SW SW S SW SW SW W W NW NW N N N N Wind spd 3 3 3 3 5 4 4 1 1 2 4 3 4 4 4 2 2 1 1 2 Wind gust 13 14 13 16 11 13 14 13 14 Clouds FW FW SC B1 FW FW FW FW FW SC FW SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 5 10 5 10 40 QPF 12hr 0 0 0 0 0.04-0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S Tstms S S S S S Heat index 90 85 81 94102105100 87 82 95103106101 86 Max heat 106 103 86 104 109 101 85 107 110 102 Extreme Heat W W W W W W W W W W W W W W W W Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 67 91 73 95 69 85 66 83 Temp 84 82 72 68 88 87 77 74 92 88 75 70 83 81 71 67 81 79 Dewpt 74 72 70 68 71 71 68 67 71 72 69 68 70 70 66 65 68 69 PWind dir N NE S S W N NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 SC SC FW FW SC SC SC SC SC B1 SC SC SC SC SC PoP 12hr 20 10 5 5 10 30 30 10 20 Rain shwrs S S S S C C S S S Tstms S S S S S S S S S $$ ILZ102-MOZ065-150900- Monroe IL-Jefferson MO- 755 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 99 75 97 71 Temp 85 82 81 79 89 96 99 93 84 81 78 76 89 95 97 92 82 78 74 72 Dewpt 75 71 70 70 73 72 70 72 72 69 66 67 74 74 74 76 76 75 74 72 RH 72 69 69 74 59 46 39 51 67 67 67 74 61 51 48 60 82 91100100 Wind dir SE S S SW SW SW SW SW S SW SW SW W W NW N N N NW N Wind spd 3 3 3 3 3 3 3 2 3 3 4 4 4 4 4 3 2 2 2 2 Wind gust 13 13 14 Clouds CL FW SC B1 FW FW FW FW FW SC FW FW SC SC SC SC SC B1 B1 B1 PoP 12hr 5 5 0 10 40 QPF 12hr 0 0 0 0 0.12-0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S Tstms S S S S S Heat index 93 87 84 81 97104106101 90 83 98106109105 89 Max heat 109 105 88 107 109 102 86 110 113 103 Extreme Heat W W W W W W W W W W W W W W W W Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 67 90 72 95 70 85 66 83 Temp 85 83 72 68 87 87 77 74 93 89 76 71 84 81 71 67 81 79 Dewpt 75 73 70 68 73 72 69 68 73 74 70 68 72 71 67 65 70 70 PWind dir N NE S S W N NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC FW SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 20 10 5 5 10 30 20 20 20 Rain shwrs S S S C S S S S Tstms S S S S S S S $$