Area Forecast Matrices
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
086 FOUS53 KLSX 140126 AFMLSX Area Forecast Matrices National Weather Service Saint Louis MO 825 PM CDT Thu Aug 13 2026 ILZ100-101-MOZ061-063-064-140900- 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 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 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 85 82 79 78 88 94 97 94 86 83 80 78 89 95 98 94 85 82 79 77 Dewpt 76 74 71 72 75 76 76 77 74 72 70 69 73 73 73 75 73 71 69 70 RH 75 77 77 82 66 56 51 58 68 70 72 74 59 49 45 54 67 69 72 79 Wind dir S S S S SW S S SE SE SE S SW SW W SW SW S SW SW W Wind spd 5 5 4 4 5 5 6 5 6 6 4 4 5 6 5 2 2 3 4 4 Wind gust 19 18 17 17 14 Clouds FW SC SC B2 SC FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC PoP 12hr 5 5 5 0 5 QPF 12hr 0 0.00-0.07 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 94 88 81 98108111109 94 88 81 97106109106 91 86 80 Max heat 112 94 113 116 107 93 109 113 105 90 Extreme Heat W W W W W W W W W W W W W W W W Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 96 72 87 69 89 72 93 72 89 Temp 94 93 79 74 85 83 74 70 86 86 76 74 91 89 78 73 87 85 Dewpt 74 75 75 72 74 72 71 69 72 71 69 68 72 72 70 68 71 70 PWind dir W N N NE SE SE S S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 SC SC SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 10 40 30 10 5 10 10 20 10 Rain shwrs C S S S S S Tstms C S S S $$ MOZ049-050-140900- Osage MO-Callaway MO- Including the city of Fulton 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 97 76 96 75 Temp 84 82 78 77 86 94 97 93 84 82 78 76 86 93 96 92 83 80 78 76 Dewpt 74 71 70 70 73 73 73 75 71 69 68 67 70 71 71 74 71 69 68 69 RH 72 69 76 79 65 51 46 56 65 65 71 74 59 49 45 56 67 69 71 79 Wind dir S S SW S SW SW S SE SE S SW S SW SW SW SW S S SW SW Wind spd 5 5 5 4 5 5 6 5 6 5 6 5 8 8 6 2 2 3 4 4 Wind gust 18 18 18 17 19 19 18 Clouds CL SC FW FW FW CL FW FW FW FW SC B1 SC SC FW FW FW SC SC SC PoP 12hr 5 5 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 91 86 92103107104 90 85 91100104102 88 83 Max heat 103 88 107 112 102 87 105 109 102 86 Extreme Heat W W W W W W W W W W W W W W W W Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 70 86 68 89 72 92 71 88 Temp 92 90 77 72 83 82 73 69 86 85 76 73 89 87 76 72 85 83 Dewpt 72 74 74 72 72 71 70 68 71 71 68 68 71 71 69 68 70 70 PWind dir W N N NE S SE S S NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC SC SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 10 30 20 10 5 10 10 20 10 Rain shwrs S S S S Tstms S S S $$ MOZ042-140900- Audrain MO- Including the city of Mexico 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 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 92 74 Temp 82 81 77 76 84 91 93 91 83 81 78 76 85 90 92 90 82 80 77 75 Dewpt 75 72 70 70 73 74 74 76 73 70 68 67 71 72 73 75 71 70 69 69 RH 79 74 79 82 70 58 54 62 72 69 71 74 63 56 54 62 69 72 76 82 Wind dir SE S S S S S S SE SE S SW S SW SW SW SW SW S W SW Wind spd 5 5 5 4 6 6 6 4 8 6 8 6 10 11 9 3 3 3 4 5 Wind gust 17 17 14 18 19 19 20 Clouds FW SC SC SC FW FW FW FW SC SC B1 B2 B1 B1 SC SC FW SC SC B1 PoP 12hr 5 5 20 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S Heat index 88 85 91101105104 88 85 90 97101100 86 82 Max heat 98 85 103 107 102 85 100 105 98 83 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 68 84 66 86 70 89 69 85 Temp 89 87 74 70 82 81 71 67 84 84 75 72 86 85 74 70 82 82 Dewpt 73 74 73 70 70 69 68 67 70 70 67 67 71 71 68 66 70 69 PWind dir W N N NE S SE S SE N Wind char LT LT LT LT LT LT GN LT GN Avg clouds SC SC B1 B1 SC SC SC FW SC FW FW SC B1 SC SC SC B1 SC PoP 12hr 20 40 10 5 0 20 10 20 10 Rain shwrs S C S S S S Tstms S C S S S $$ MOZ041-047-048-140900- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 98 77 96 76 Temp 85 83 79 78 86 94 97 94 85 82 79 78 86 93 96 92 84 81 79 77 Dewpt 74 71 70 70 72 74 73 75 72 70 68 67 70 72 73 74 71 69 69 69 RH 70 67 74 76 63 53 46 54 65 67 69 69 59 51 48 56 65 67 72 76 Wind dir S S S S SW SW S S SE S S S SW SW SW SW S S SW SW Wind spd 5 6 5 4 5 6 8 5 8 6 8 5 6 6 5 2 2 3 4 3 Wind gust 18 18 19 16 20 19 20 19 17 Clouds CL FW FW FW CL FW FW SC FW FW B1 B1 SC SC FW SC FW SC SC SC PoP 12hr 5 5 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 92 87 81 93104109105 91 86 81 91101106102 89 85 Max heat 105 88 109 114 105 87 105 110 102 87 Extreme Heat W W W W W W W W W W W W W W W W Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 72 87 69 90 73 93 72 89 Temp 92 90 77 73 83 82 73 70 86 86 77 75 89 88 77 72 85 83 Dewpt 73 74 74 72 72 71 70 69 71 71 68 68 71 72 69 68 70 70 PWind dir W N N NE S SE SW S N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC SC FW SC FW FW SC B1 SC SC SC SC SC PoP 12hr 10 30 20 10 5 10 10 20 10 Rain shwrs S S S S S S Tstms S S S S $$ ILZ095>097-MOZ018-019-026-027-140900- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Including the cities of Quincy, Mount Sterling, Pittsfield, and Hannibal 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 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 75 93 74 Temp 81 79 76 75 83 90 93 91 82 80 78 76 85 91 93 90 81 79 77 75 Dewpt 77 75 72 72 75 76 76 78 76 73 71 70 73 74 75 76 74 72 72 72 RH 88 88 87 90 77 64 58 66 82 79 79 82 67 58 56 64 79 79 85 90 Wind dir E E E E E SE SE E E SE S S SW SW SW W W SW W NW Wind spd 6 6 6 5 8 6 8 6 10 8 6 8 8 9 8 4 2 2 2 3 Wind gust 18 19 18 19 31 18 21 20 18 12 Clouds B1 B2 B2 B1 B2 SC SC SC B1 B1 B2 B2 B1 B1 B1 SC SC SC B1 B1 PoP 12hr 20 20 30 20 20 QPF 12hr 0.00-0.29 0 0.00-0.08 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C S S S S S Tstms S S S C C S S S S S Heat index 86 80 91102106106 89 84 91101104101 87 81 Max heat 100 87 107 115 106 87 106 109 102 85 Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 68 84 66 87 70 89 69 85 Temp 88 84 74 70 82 81 70 67 84 84 74 72 87 85 73 70 82 81 Dewpt 75 75 72 69 70 69 68 67 70 71 68 68 72 72 69 67 69 69 PWind dir NW N N NE S SE S E NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC SC SC FW SC SC FW SC B1 SC SC SC B1 B1 PoP 12hr 30 40 10 5 0 30 20 30 10 Rain shwrs S C C S C S S S C Tstms S C C S S S S C $$ MOZ034>036-140900- Monroe MO-Ralls MO-Pike MO- Including the city of Bowling Green 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 94 76 93 75 Temp 83 81 77 76 85 91 94 92 83 82 79 77 85 91 93 91 82 81 78 76 Dewpt 76 74 71 71 74 74 75 77 74 71 69 68 71 73 73 75 72 71 70 70 RH 80 79 82 85 70 58 54 62 74 69 72 74 63 56 52 60 72 72 76 82 Wind dir SE SE SE SE SE S S SE SE SE SW S SW SW SW SW SW S W W Wind spd 4 4 5 3 6 5 6 4 9 5 6 6 9 9 8 3 2 2 3 3 Wind gust 14 16 16 14 18 14 31 16 17 21 20 18 13 Clouds SC B1 B1 SC SC SC SC SC SC SC B2 B2 B1 B1 SC SC SC SC SC B1 PoP 12hr 10 10 20 20 10 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S Tstms S S S S S S Heat index 91 86 92102106106 90 86 91 99102101 88 84 Max heat 101 92 107 115 107 93 106 110 103 88 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 69 85 66 87 71 90 69 85 Temp 90 87 75 71 83 82 71 67 85 85 75 73 87 87 75 71 83 82 Dewpt 74 74 73 70 70 69 68 67 70 70 68 67 71 71 69 67 69 69 PWind dir NW N N NE S SE S SE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC SC SC FW FW FW FW SC B1 SC SC SC B1 SC PoP 12hr 30 40 10 5 0 20 10 30 10 Rain shwrs S C C S S S C Tstms C C S S C $$ ILZ069-074-140900- Clinton IL-Washington IL- 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 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 76 97 75 Temp 83 81 78 77 87 94 96 92 83 81 78 76 88 95 97 92 84 81 78 76 Dewpt 78 75 72 73 77 78 78 79 75 73 71 71 75 75 76 77 73 70 69 70 RH 85 82 82 87 72 60 56 66 77 77 79 85 66 53 51 62 70 69 74 82 Wind dir S S S S SW SW S SE SE SE S S SW SW SW S S SW SW W Wind spd 5 6 5 3 4 4 5 4 6 8 4 4 3 4 3 2 4 4 3 2 Wind gust 19 17 14 17 Clouds FW FW SC B2 B1 SC FW CL CL CL FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 10 0 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 93 87 99109113108 91 86 97108111106 89 85 Max heat 108 94 112 118 106 94 110 113 105 90 Extreme Heat W W W W W W W W W W W W W W W W Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 96 72 87 68 88 71 92 71 89 Temp 94 92 79 74 85 83 73 69 85 84 75 72 90 87 77 72 87 84 Dewpt 75 77 75 73 75 74 72 69 72 72 70 69 73 73 71 69 72 71 PWind dir W N N NE E SE S S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 SC SC SC FW FW FW FW SC SC SC SC SC SC PoP 12hr 10 40 30 10 5 10 10 20 10 Rain shwrs C C S S S Tstms C S S S $$ ILZ070-140900- Marion IL- Including the cities of Centralia and Salem 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 94 75 95 75 Temp 83 80 78 77 85 92 94 90 82 81 78 76 87 93 95 90 82 81 78 76 Dewpt 77 74 72 72 76 77 77 77 75 73 71 71 74 75 76 76 72 70 68 69 RH 82 82 82 85 75 62 58 66 79 77 79 85 65 56 54 64 72 69 71 79 Wind dir SE S S SW SW SW S SE SE SE SE E SW SW SW S S SW SW W Wind spd 4 5 4 4 4 3 5 4 5 6 4 5 4 4 4 2 3 3 4 3 Wind gust 16 16 13 Clouds SC SC SC B2 B2 B1 FW CL CL CL CL FW FW FW FW FW FW FW FW FW PoP 12hr 10 10 0 0 0 QPF 12hr 0 0.00-0.08 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 91 84 95107110104 89 85 95105109101 87 85 Max heat 105 87 110 113 102 86 109 111 99 84 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 72 86 67 86 69 91 71 88 Temp 92 91 79 73 84 82 73 68 84 83 74 71 88 85 76 72 86 83 Dewpt 75 75 73 72 74 71 70 68 71 70 69 68 72 72 69 68 71 69 PWind dir W N N NE NE SE S S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 SC SC SC FW FW FW FW SC B1 SC SC SC SC PoP 12hr 10 40 30 10 5 10 10 20 10 Rain shwrs C C S S S Tstms C S S S S $$ MOZ074-084-085-099-140900- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 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 75 98 75 Temp 83 80 77 76 87 96 98 93 84 80 77 75 87 96 98 94 83 80 78 76 Dewpt 73 71 69 69 72 72 71 72 70 68 66 66 69 68 68 69 67 66 66 67 RH 72 74 76 79 61 46 42 51 63 67 69 74 55 40 38 44 59 62 67 74 Wind dir S S SW S SW S S S S S SW SW SW SW SW SW S SW SW W Wind spd 4 4 4 2 5 4 6 4 4 5 4 3 3 4 4 1 2 2 3 2 Wind gust 17 18 13 17 14 18 16 16 12 13 16 13 Clouds CL FW FW FW FW SC FW FW CL CL FW FW CL FW CL FW FW FW FW FW PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Heat index 88 82 93104106101 88 82 91101104 99 86 81 Max heat 101 86 111 114 102 85 107 110 101 83 Extreme Heat W W W W W W W W W W W W W W W W Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 73 89 69 90 70 93 71 91 Temp 96 93 79 74 87 83 73 69 87 85 74 72 90 88 76 72 88 85 Dewpt 69 71 70 71 74 74 71 69 72 72 69 68 70 71 69 68 70 70 PWind dir W NW N N S SE S S SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 SC SC SC SC FW FW FW SC SC SC SC SC SC PoP 12hr 10 30 40 10 10 5 10 20 20 Rain shwrs S S S C S S S S S Tstms S S S C S S S S S $$ MOZ051-060-140900- Montgomery MO-Warren MO- 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 96 74 95 73 Temp 83 81 78 76 85 93 96 93 84 81 78 75 85 92 95 92 83 80 77 74 Dewpt 75 73 70 71 75 75 75 77 73 71 68 68 72 73 73 77 73 71 69 70 RH 77 77 76 85 72 56 51 60 70 72 71 79 65 54 49 62 72 74 76 87 Wind dir S S SW SW SW SW S SE SE SE SW SE SW SW SW SW SW SW SW SW Wind spd 4 5 5 4 5 5 6 5 6 4 5 5 5 5 4 1 1 2 3 3 Wind gust 14 17 18 19 18 18 16 17 18 14 Clouds CL SC SC SC SC FW FW FW SC SC SC B1 SC SC FW SC FW FW SC SC PoP 12hr 5 5 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 91 85 93104108107 90 85 92101105105 88 82 Max heat 103 87 110 115 105 88 107 111 105 85 Extreme Heat W W W W W W W W W W W W W W W W Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 69 85 66 87 70 91 69 87 Temp 91 90 76 71 83 82 72 67 85 85 75 72 88 87 75 71 85 83 Dewpt 75 75 74 71 73 72 70 67 72 72 69 68 72 73 69 68 71 70 PWind dir W N N NE S SE S S NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC SC SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 10 40 20 10 5 10 10 20 10 Rain shwrs S C S S S S Tstms S C S S S $$ MOZ052-140900- Lincoln MO- 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 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 76 95 74 Temp 84 81 78 77 86 93 96 93 85 82 79 77 87 93 95 92 84 81 78 75 Dewpt 76 74 71 72 76 76 76 78 75 72 70 69 73 74 74 76 74 72 70 70 RH 77 79 79 85 72 58 53 62 72 72 74 76 63 54 51 60 72 74 76 84 Wind dir S S S S SW S S SE SE SE S S SW SW SW SW SW SW SW SW Wind spd 4 4 4 3 5 5 6 5 6 5 5 4 5 6 4 1 1 1 2 3 Wind gust 16 16 19 21 16 16 17 14 Clouds FW B1 B1 B1 SC SC FW FW SC SC SC B1 SC SC SC SC FW SC SC SC PoP 12hr 10 10 10 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 93 87 96106110109 93 87 94103107106 90 85 Max heat 103 91 110 115 107 92 107 111 105 86 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 70 86 67 88 71 91 70 87 Temp 92 90 77 72 84 83 72 68 86 86 75 73 89 88 76 72 85 83 Dewpt 75 76 74 72 73 71 70 68 71 72 69 68 73 72 69 68 71 70 PWind dir W N N NE S SE S S NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC B1 B1 SC SC FW SC FW FW FW SC SC B1 SC SC SC SC PoP 12hr 20 40 20 5 0 10 10 20 10 Rain shwrs S C S S Tstms S C S $$ ILZ058-059-098-099-140900- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 95 74 95 73 Temp 82 80 77 76 85 92 94 91 83 81 78 75 87 93 95 91 82 80 77 74 Dewpt 76 74 72 72 75 76 76 78 75 73 71 70 73 74 74 75 73 72 71 71 RH 82 82 85 87 72 60 56 66 77 77 79 84 63 54 51 60 74 77 82 90 Wind dir SE SE SE E SW S S SE SE E SE SW SW SW SW SW SW SW W W Wind spd 5 5 5 4 5 5 6 6 8 8 6 5 5 8 6 3 2 2 3 3 Wind gust 16 17 20 17 Clouds SC B1 B1 B1 SC SC FW FW FW SC SC B1 SC SC SC SC SC SC SC SC PoP 12hr 10 20 5 0 5 QPF 12hr 0.00-0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 88 82 94104108106 90 84 94103106102 87 82 Max heat 103 90 110 114 108 90 107 110 103 86 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 69 85 65 87 69 91 69 87 Temp 91 89 76 72 83 82 71 67 84 84 74 72 88 86 75 70 84 82 Dewpt 74 75 74 71 71 70 69 67 70 70 68 68 71 71 69 67 69 68 PWind dir W N N NE S SE S S N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC SC SC FW FW SC SC SC B1 SC SC SC SC PoP 12hr 20 50 20 5 5 10 10 20 10 Rain shwrs S C C S S S S S Tstms S C S S S S S $$ ILZ060-064-065-140900- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 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 95 73 Temp 80 79 77 75 85 92 94 90 82 80 77 75 87 93 95 90 82 80 77 74 Dewpt 76 74 72 72 76 77 77 78 75 73 71 71 74 76 76 76 73 71 69 70 RH 88 85 85 90 75 62 58 68 79 79 82 87 65 58 54 64 74 74 76 87 Wind dir SE S SE E S S S SE E E SE SE SW SW SW SW SW SW SW W Wind spd 5 5 4 4 4 4 5 4 6 8 6 6 5 5 5 2 2 3 3 3 Wind gust 16 14 14 Clouds SC SC B1 B2 B1 SC FW FW CL FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 20 20 0 0 5 QPF 12hr 0.00-0.07 0.00-0.12 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S Heat index 86 81 94106109105 89 83 95105108103 87 82 Max heat 99 94 110 115 106 95 110 113 103 91 Heat Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 70 85 66 86 69 90 69 87 Temp 91 89 76 72 84 81 72 67 84 83 73 71 88 85 75 71 84 82 Dewpt 75 75 73 71 73 71 70 67 70 71 68 68 72 72 69 67 70 69 PWind dir W N N NE S SE S S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC FW SC FW FW FW FW SC B1 SC SC SC SC PoP 12hr 10 50 20 5 5 20 20 30 10 Rain shwrs S S C C S S S S C Tstms S C S S S S $$ ILZ079-MOZ075-140900- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 98 75 99 75 Temp 84 81 78 77 87 95 98 93 85 82 78 76 88 96 99 94 84 81 79 76 Dewpt 75 73 71 71 75 75 75 77 73 70 68 68 72 72 72 74 70 68 67 68 RH 74 77 79 82 68 53 48 60 67 67 71 76 59 46 42 53 63 65 67 76 Wind dir S S S S S SW S SE S S SW SW SW SW SW S S SW SW SW Wind spd 5 6 5 4 4 4 5 4 5 8 5 4 4 4 4 3 5 5 5 4 Wind gust 18 18 16 18 16 16 Clouds CL FW FW SC SC SC FW CL CL CL FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 92 86 96108110107 91 85 95105108105 89 84 Max heat 105 88 113 115 107 88 109 112 103 86 Extreme Heat W W W W W W W W W W W W W W W W Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 72 88 68 90 70 93 71 91 Temp 95 94 79 74 86 84 74 69 87 86 75 72 91 89 77 73 88 85 Dewpt 72 74 73 72 75 74 72 69 72 72 70 68 72 72 70 68 71 71 PWind dir W NW N N S SE S SW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 SC SC SC FW FW FW FW SC SC SC SC SC SC PoP 12hr 10 30 30 10 5 5 10 20 20 Rain shwrs S S C S S S S Tstms S C S S S $$ MOZ059-062-072-073-140900- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 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 76 98 75 Temp 83 81 79 77 87 95 98 93 84 81 78 76 88 95 98 93 83 80 78 76 Dewpt 73 71 69 69 73 73 72 74 71 68 66 66 70 70 69 72 70 67 66 67 RH 72 72 72 76 63 49 43 54 65 65 67 71 55 45 39 51 65 65 67 74 Wind dir S S SW SW SW SW S SE S S SW SW SW W SW SW S SW SW SW Wind spd 4 5 5 4 5 5 6 5 5 5 5 4 5 5 4 1 1 2 3 3 Wind gust 14 17 18 14 17 18 16 17 11 13 14 14 Clouds CL FW FW FW SC FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW PoP 12hr 5 5 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Heat index 90 85 95105108104 89 84 93103105102 87 83 Max heat 103 87 110 115 105 86 107 111 103 83 Extreme Heat W W W W W W W W W W W W W W W W Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 71 87 68 90 71 94 71 90 Temp 95 92 78 73 85 82 73 69 87 85 75 73 91 88 77 72 87 84 Dewpt 72 73 72 72 75 73 71 69 72 72 68 67 71 71 68 67 70 70 PWind dir W N N NE S SE S S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 SC SC SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 10 30 30 10 5 5 10 20 10 Rain shwrs S S C S S S Tstms S S C S S S $$ ILZ102-MOZ065-140900- Monroe IL-Jefferson MO- 825 PM CDT Thu Aug 13 2026 Date 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 99 76 99 75 Temp 85 81 79 78 88 96 99 94 85 82 79 77 89 97 99 95 84 81 79 76 Dewpt 75 72 70 70 75 75 75 77 73 70 68 67 72 72 72 74 71 68 67 68 RH 72 74 74 76 66 51 47 58 67 67 69 71 57 45 42 51 65 65 67 76 Wind dir S S SW SW S S S SE SE S SW SW W W SW SW S SW SW W Wind spd 4 4 4 3 4 4 5 4 5 6 4 3 4 4 3 2 2 3 4 3 Wind gust 14 17 17 16 16 17 16 14 Clouds CL FW SC B1 SC FW FW FW FW CL FW SC FW FW FW FW FW FW FW SC PoP 12hr 5 10 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 93 86 99109112108 92 86 97106109106 89 84 Max heat 105 87 114 117 106 88 110 114 105 85 Extreme Heat W W W W W W W W W W W W W W W W Date 08/16 Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 72 88 68 90 71 94 71 91 Temp 96 94 79 73 86 83 73 69 87 86 75 73 92 89 77 73 88 85 Dewpt 74 75 73 72 76 73 72 69 73 72 69 68 72 72 69 68 72 71 PWind dir W N N NE SE SE S S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 B1 SC SC SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 5 30 30 10 5 10 10 20 10 Rain shwrs S S S S S S Tstms S S S S S $$