Area Forecast Matrices
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
866 FOUS53 KLSX 181851 AFMLSX Area Forecast Matrices National Weather Service Saint Louis MO 151 PM CDT Mon Aug 18 2025 ILZ100-101-MOZ061-063-064-182100- 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 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 75 93 73 87 Temp 94 89 81 79 76 75 85 91 92 87 80 77 75 74 81 85 85 82 Dewpt 74 75 74 73 72 72 75 75 75 76 75 74 73 73 75 74 72 71 RH 53 64 79 82 87 90 72 60 58 70 85 90 94 97 82 70 65 69 Wind dir S SE S S S SW W NW NW N N NW N N NE N N N Wind spd 5 4 3 3 3 3 4 6 6 5 4 2 3 3 5 6 9 8 Clouds FW FW SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC PoP 12hr 20 30 20 30 30 QPF 12hr 0 0.00-0.18 0.02-0.43 0.13-0.91 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S C C C C S S C C Tstms S S S S S S S S C C S S S S S C Heat index 105100 86 80 93102103 97 84 87 93 91 86 Max heat 107 111 101 87 107 108 97 98 98 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 66 85 65 87 66 87 62 82 Temp 72 67 81 80 70 66 84 81 70 67 84 81 68 63 79 76 Dewpt 68 65 68 67 66 64 68 67 65 65 68 65 61 59 59 58 PWind dir NE NE NE N N NW N N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW SC FW FW FW FW PoP 12hr 5 5 0 5 0 5 0 5 $$ MOZ049-182100- Osage MO- 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 73 94 72 88 Temp 94 89 80 77 74 73 82 90 92 88 80 76 73 73 79 85 87 83 Dewpt 72 72 73 72 71 71 73 73 72 74 74 74 73 73 73 71 69 68 RH 49 57 79 85 90 93 74 58 52 63 82 94100100 82 63 55 61 Wind dir S S SE S SW SW W NW N N NE NE N N NE NE NE NE Wind spd 5 4 3 3 3 3 4 4 5 5 4 2 2 3 5 5 6 6 Clouds B1 B1 SC FW FW SC SC SC SC FW FW SC SC B1 SC SC FW FW PoP 12hr 30 30 20 30 30 QPF 12hr 0.00-0.39 0.00-0.34 0.02-0.10 0.07-0.25 0.01-0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S S C C C C C C C C Tstms C S S S S S S C C C C S S C C Heat index 103 96 82 88 99101 97 83 80 91 91 86 Max heat 106 109 93 103 103 97 94 94 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 85 63 88 65 87 61 82 Temp 71 67 80 80 68 65 84 83 70 66 84 82 68 62 79 77 Dewpt 68 66 65 64 65 64 65 65 64 64 64 62 61 59 57 57 PWind dir NE NE NE NE NE N NE N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW CL CL CL FW CL FW FW FW FW CL FW FW PoP 12hr 10 5 0 0 0 5 5 5 $$ MOZ042-050-182100- Audrain MO-Callaway MO- Including the cities of Mexico and Fulton 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 72 91 70 84 Temp 93 89 79 76 74 72 81 88 90 86 78 75 73 72 78 83 84 80 Dewpt 73 74 72 72 71 71 74 74 74 75 75 73 72 71 73 71 70 69 RH 52 61 79 87 90 97 79 63 60 70 91 94 97 97 85 67 63 69 Wind dir SW S S S SW SW NW NW N N N NE N N NE NE NE NE Wind spd 5 4 3 3 3 3 5 5 6 5 5 3 3 4 6 8 10 8 Clouds SC B1 SC SC SC SC SC SC SC FW FW SC SC SC SC SC FW FW PoP 12hr 20 30 20 30 20 QPF 12hr 0.00-0.40 0.00-0.26 0.00-0.11 0.03-0.42 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C S S C C S S S S S S Tstms S S S S C S S S C S S S S Heat index 103 97 81 86 96 99 94 88 88 83 Max heat 105 109 97 101 103 97 94 94 Heat Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 63 82 62 85 63 84 59 79 Temp 69 64 79 78 66 63 82 81 68 65 82 80 65 60 76 74 Dewpt 67 64 65 65 64 63 66 66 63 64 65 64 59 57 57 57 PWind dir NE NE NE NE NE N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW CL CL FW FW FW FW SC FW FW FW FW FW PoP 12hr 5 0 0 0 0 5 5 5 $$ MOZ047-048-182100- Moniteau MO-Cole MO- Including the city of Jefferson City 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 73 94 71 89 Temp 95 90 80 77 74 73 83 90 92 89 79 76 73 73 80 86 87 84 Dewpt 72 72 72 71 71 71 73 73 73 74 75 74 73 72 73 71 70 69 RH 48 56 77 82 90 93 72 58 54 61 88 94100 97 79 61 57 61 Wind dir SW S SE S SW SW NW NW N N NE NE N N NE NE NE NE Wind spd 5 4 3 3 3 3 3 5 5 5 4 2 2 2 4 5 6 5 Clouds SC B1 SC SC FW SC B1 SC SC FW FW SC SC B1 SC SC FW FW PoP 12hr 30 30 20 30 30 QPF 12hr 0.00-0.20 0.00-0.29 0.01-0.14 0.14-0.67 0.00-0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C S S C C C C C C S S Tstms C S S S C S S C C C C S S S S Heat index 104 98 83 89 99101 98 83 83 92 92 87 Max heat 105 109 96 102 105 98 94 95 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 86 63 89 65 88 61 82 Temp 71 66 81 81 67 64 84 84 69 65 84 83 67 62 79 78 Dewpt 68 66 65 64 64 64 65 64 64 64 64 63 60 58 58 56 PWind dir NE NE NE NE N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW CL CL CL FW CL FW FW FW FW CL FW FW PoP 12hr 10 5 0 0 5 5 5 5 $$ MOZ041-182100- Boone MO- Including the city of Columbia 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 72 92 72 86 Temp 95 91 82 78 75 73 82 88 90 87 80 76 74 72 79 84 85 82 Dewpt 73 73 72 72 71 71 73 74 74 75 74 73 73 71 73 71 70 69 RH 49 56 72 82 87 93 74 63 60 68 82 90 97 97 82 65 61 65 Wind dir SW S SE S SW SW NW NW N N NE NE N N NE NE NE NE Wind spd 6 4 3 3 3 3 4 5 6 5 5 3 3 4 6 8 9 6 Clouds SC SC SC SC SC SC B1 SC SC FW FW SC SC SC SC SC FW FW PoP 12hr 20 30 20 30 20 QPF 12hr 0.00-0.45 0.00-0.23 0.01-0.11 0.07-0.59 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C S C C C C S S S S Tstms S S S S C S C C C S S S Heat index 105 99 86 87 96100 96 83 89 90 85 Max heat 106 110 100 101 105 99 94 95 Heat Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 64 83 63 86 65 86 60 80 Temp 70 66 80 79 67 64 83 83 70 66 83 81 66 61 77 76 Dewpt 67 65 65 64 64 63 66 66 64 64 64 63 59 57 57 56 PWind dir NE NE E NE NE N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW CL CL FW FW FW FW SC FW FW FW FW FW PoP 12hr 5 0 0 0 5 5 5 5 $$ ILZ095>097-MOZ018-019-026-027-034>036-182100- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 73 89 70 84 Temp 93 90 80 77 75 73 81 86 88 85 77 75 73 71 77 81 83 80 Dewpt 75 76 74 73 72 71 73 74 74 76 75 73 72 70 72 71 70 69 RH 56 64 82 87 90 93 77 68 63 75 94 94 97 97 85 72 65 69 Wind dir SW S S S SW W NW N N N N N N N NE NE NE NE Wind spd 6 4 3 3 3 3 4 6 6 5 4 3 3 4 5 8 9 6 Clouds FW FW SC B1 B1 B1 B1 SC SC FW SC SC SC SC SC SC FW FW PoP 12hr 20 30 20 20 10 QPF 12hr 0.00-0.22 0.01-0.76 0.00-0.32 0.00-0.19 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C S S S S S S S S S S Tstms S S S S C S S S S S Heat index 106101 84 85 94 97 94 86 87 81 Max heat 107 111 100 88 103 104 98 90 92 Heat Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 82 62 85 65 84 58 78 Temp 68 64 78 78 66 64 81 81 68 66 80 78 64 59 74 72 Dewpt 66 63 65 66 64 63 66 67 65 64 63 63 59 56 56 57 PWind dir NE NE E N N NW N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW CL FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 5 0 0 0 5 5 5 5 $$ ILZ069-070-074-182100- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 75 93 72 88 Temp 93 89 80 77 75 76 85 91 92 86 78 75 74 74 81 85 85 81 Dewpt 74 75 74 74 73 73 75 75 75 76 75 74 73 73 75 74 73 71 RH 54 64 82 90 94 90 72 60 58 72 91 97 97 97 82 70 67 72 Wind dir S SE SE S S SW SW W NW N N NW N N NE N N N Wind spd 4 3 3 3 2 3 4 5 5 5 4 2 2 3 5 6 9 6 Clouds FW CL FW FW SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 10 20 20 30 30 QPF 12hr 0 0 0.01-0.25 0.03-0.91 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C S S C C Tstms S S S C C S S S S C C Heat index 104 99 84 95102103 97 87 93 92 85 Max heat 106 109 102 90 105 108 98 86 96 97 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 66 86 65 87 65 87 62 82 Temp 71 67 82 80 69 66 84 81 69 67 84 81 67 63 79 75 Dewpt 69 66 68 67 66 65 68 68 66 65 68 67 62 60 60 60 PWind dir NE NE NE N N NW N NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC FW FW FW FW FW FW FW FW SC FW FW CL FW PoP 12hr 5 5 0 5 0 5 0 0 $$ MOZ074-084-085-099-182100- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 72 95 70 89 Temp 95 90 79 76 74 73 86 93 93 86 77 75 73 72 81 86 86 82 Dewpt 70 72 72 71 70 71 74 73 73 74 73 72 71 71 74 73 71 71 RH 45 56 79 85 87 93 68 52 52 68 87 90 93 97 79 65 61 69 Wind dir S S SE S S SW SW NW NW N NW NW N N N N N N Wind spd 3 3 2 2 2 2 3 3 4 3 3 1 2 2 3 4 4 4 Wind gust 14 16 Clouds FW SC SC FW FW FW FW SC SC B1 SC SC SC SC SC B1 B1 SC PoP 12hr 20 20 40 40 40 QPF 12hr 0 0.00-0.09 0.04-0.36 0.07-0.57 0.03-0.33 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C C C C C C C S Tstms S S S S C C C C S C C C C C S Heat index 102 97 81 94103102 94 86 93 92 86 Max heat 105 109 96 109 109 94 97 98 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 86 63 88 63 89 62 83 Temp 71 66 82 79 68 64 85 81 69 65 86 82 68 63 81 77 Dewpt 68 66 66 66 64 63 66 66 63 62 65 65 61 59 59 59 PWind dir NE N NE N N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW FW CL CL FW FW CL FW FW FW FW FW FW PoP 12hr 10 10 5 5 0 5 5 5 Rain shwrs S Tstms S $$ MOZ060-182100- Warren MO- 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 72 92 71 85 Temp 94 89 79 77 74 73 82 89 91 86 78 75 73 72 79 83 85 81 Dewpt 75 75 74 73 72 72 75 75 75 76 75 74 73 72 75 74 72 70 RH 54 64 85 87 93 97 79 64 60 72 91 97100100 88 74 65 69 Wind dir S S S S SW SW W NW N N N NW N N NE NE N NE Wind spd 4 3 3 2 3 3 4 5 5 4 4 2 2 3 4 5 6 5 Clouds SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC PoP 12hr 20 30 20 30 20 QPF 12hr 0 0.02-0.23 0.05 0.10-0.30 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S C C C C S S S S Tstms S S S S S S S C C S S S S S Heat index 106 99 80 88 99101 96 90 90 84 Max heat 109 111 96 103 105 92 94 94 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 64 83 63 86 64 85 60 80 Temp 70 66 79 78 67 64 82 80 68 66 82 80 66 61 77 74 Dewpt 68 65 68 67 65 64 68 67 65 64 68 65 61 58 59 58 PWind dir NE NE NE NE N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW CL CL FW FW FW FW FW SC FW CL FW FW PoP 12hr 5 5 0 0 0 5 0 5 $$ MOZ051-052-182100- Montgomery MO-Lincoln MO- 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 72 91 71 85 Temp 94 88 79 76 74 72 82 88 90 85 78 75 73 72 78 83 84 80 Dewpt 75 76 74 73 72 72 75 75 75 77 76 74 73 72 74 74 72 71 RH 54 68 85 90 93100 79 66 62 77 94 97100100 88 74 67 74 Wind dir S S S S SW SW W NW N N N N N N NE NE N NE Wind spd 5 3 3 3 3 3 4 5 6 4 4 2 2 3 5 6 8 6 Clouds SC SC SC SC SC SC SC SC B1 SC SC SC B1 B1 SC SC SC FW PoP 12hr 20 30 20 30 20 QPF 12hr 0 0.00-0.29 0.02-0.13 0.07-0.25 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C S S C C S S S S S S Tstms S S S S C S S S C S S S Heat index 106 98 88 98101 96 88 90 83 Max heat 107 111 97 85 101 104 97 93 94 Heat Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 82 62 85 64 85 59 79 Temp 69 65 78 78 67 64 82 80 68 66 82 79 65 60 76 74 Dewpt 68 65 68 67 65 63 68 68 65 64 67 65 61 58 59 59 PWind dir NE NE NE NE N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW CL FW FW FW FW SC SC FW FW FW FW PoP 12hr 5 5 0 0 0 5 0 5 $$ ILZ058-059-098-099-182100- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 91 72 84 Temp 92 88 79 77 75 74 83 88 90 86 78 75 73 73 79 82 83 80 Dewpt 74 75 74 73 72 71 73 74 74 74 74 73 72 71 71 70 69 68 RH 56 66 85 87 90 90 72 63 60 68 88 94 97 93 77 67 63 67 Wind dir S SE S S S SW W NW NW N N N N N NE NE N N Wind spd 6 4 4 4 3 3 4 6 6 5 4 2 3 4 6 8 9 8 Clouds FW FW SC SC SC B1 SC SC SC SC SC SC B1 SC SC SC SC FW PoP 12hr 20 30 20 30 20 QPF 12hr 0 0.00-0.18 0.02-0.23 0.05-0.31 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C S S C C S S S S S S Tstms S S S S C S S C C S S S S Heat index 103 98 81 89 96 99 94 80 86 87 83 Max heat 107 109 98 103 104 95 93 93 Heat Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 64 83 63 84 65 84 60 78 Temp 69 66 79 79 67 65 81 80 68 67 82 79 65 61 76 74 Dewpt 66 63 65 65 64 62 64 65 64 63 64 62 60 57 55 55 PWind dir NE NE NE N N NW N NW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW CL FW FW FW FW FW FW FW CL FW FW PoP 12hr 5 5 0 0 0 5 0 5 $$ ILZ064-065-182100- Bond IL-Fayette IL- Including the city of Vandalia 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 73 92 72 86 Temp 91 88 79 76 74 74 84 90 91 86 78 75 73 73 80 84 85 80 Dewpt 75 75 74 73 72 72 74 74 74 76 75 73 73 72 74 73 71 70 RH 60 66 85 90 93 93 72 60 58 72 91 94100 97 82 70 63 72 Wind dir S SE SE S S SW SW NW NW N N NW N N NE N N N Wind spd 4 3 3 3 3 3 4 5 5 4 4 2 2 3 5 5 8 6 Clouds FW FW FW FW SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 10 20 20 30 20 QPF 12hr 0 0 0.01-0.33 0.05-0.68 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C S S S S S S Tstms S S S S C C S S S S S S Heat index 103 98 81 92 99101 96 84 90 90 83 Max heat 103 107 102 90 103 105 96 85 94 95 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 85 64 86 64 86 60 81 Temp 70 66 82 79 68 65 84 80 68 66 84 79 67 62 79 74 Dewpt 67 64 68 66 65 64 67 67 65 64 67 65 61 58 58 58 PWind dir NE NE NE N N NW N NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW FW FW FW FW FW CL CL FW PoP 12hr 5 5 0 5 0 5 0 5 $$ ILZ060-182100- Montgomery IL- Including the city of Litchfield 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 72 90 71 85 Temp 91 87 79 76 74 73 83 88 90 85 77 75 73 72 79 82 84 79 Dewpt 75 75 74 72 72 71 74 74 74 75 74 73 72 71 72 72 71 69 RH 60 68 85 87 93 93 74 63 60 72 90 94 97 97 79 72 65 72 Wind dir S SE SE S S SW W NW NW N N NW N N NE N N N Wind spd 6 3 4 4 4 3 4 6 6 5 4 2 3 4 5 6 9 6 Clouds FW FW FW SC SC B1 SC SC SC SC SC SC B1 B1 B1 SC SC SC PoP 12hr 10 30 30 30 20 QPF 12hr 0 0 0.02-0.18 0.10-0.60 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C S S S S S S Tstms S S S S S S C C S S S S Heat index 102 97 90 97 99 93 87 88 81 Max heat 101 105 94 99 102 90 90 92 Heat Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 63 83 63 85 64 85 59 79 Temp 68 65 80 78 67 64 82 80 68 65 83 78 65 60 77 73 Dewpt 65 63 67 66 63 62 66 66 64 64 66 64 60 57 57 56 PWind dir NE NE NE N N NW N NW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW CL FW FW FW FW FW FW FW CL CL FW PoP 12hr 0 5 0 0 0 5 0 5 $$ ILZ079-MOZ075-182100- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 75 96 73 90 Temp 95 91 81 78 76 75 86 93 94 88 79 76 75 74 81 87 87 83 Dewpt 72 73 73 72 72 72 75 74 74 75 75 74 73 73 76 74 73 71 RH 48 56 77 82 87 90 70 54 53 66 88 94 94 97 85 65 63 67 Wind dir S SE S S S SW W NW NW N NW NW NW N N N N N Wind spd 4 3 3 2 2 3 3 4 5 4 3 2 2 3 4 6 8 6 Clouds FW FW FW FW FW SC SC SC SC B1 SC B1 B1 B1 B1 B1 SC SC PoP 12hr 20 20 30 40 40 QPF 12hr 0 0.01 0.01-0.33 0.08-1.02 0.01-0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C C C C C C C Tstms S S S S S C C S C C C C C Heat index 104101 86 94104105 97 81 87 95 94 88 Max heat 106 110 99 84 107 110 96 99 99 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 86 65 89 65 89 63 84 Temp 73 67 82 81 70 66 85 82 70 67 86 82 69 63 81 77 Dewpt 69 66 68 67 66 65 67 67 65 64 67 66 63 60 60 59 PWind dir N N NE N N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 5 0 5 0 5 0 5 $$ MOZ059-062-072-073-182100- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 72 94 71 88 Temp 95 89 79 77 74 73 84 91 92 87 78 75 73 72 80 85 86 82 Dewpt 73 73 72 72 71 71 74 74 73 75 74 73 72 72 75 73 71 70 RH 49 59 79 85 90 93 72 58 54 68 88 94 97100 85 67 61 67 Wind dir S SW S S SW SW W NW NW N NE NW N N N NE N NE Wind spd 3 3 2 2 2 2 4 4 5 4 3 1 2 2 3 4 5 4 Wind gust 14 Clouds SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC PoP 12hr 30 20 20 40 30 QPF 12hr 0.00-0.27 0.00-0.19 0.02-0.22 0.05-0.72 0.00-0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S S S C C C C C C C C Tstms C S S S S S S S C C S C C S C C Heat index 104 97 80 91100101 96 84 92 91 86 Max heat 109 111 96 105 106 95 96 97 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 65 84 63 87 64 87 61 82 Temp 71 66 80 79 68 64 84 81 69 65 84 81 67 62 79 76 Dewpt 68 65 67 66 65 64 67 66 64 63 67 64 61 59 59 58 PWind dir NE NE NE NE NE N N N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 5 0 5 0 5 0 5 $$ ILZ102-MOZ065-182100- Monroe IL-Jefferson MO- 151 PM CDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 73 95 72 89 Temp 96 90 80 78 75 74 85 92 93 88 79 76 74 74 82 86 86 82 Dewpt 74 74 73 72 71 72 75 75 74 76 75 74 73 73 76 75 74 72 RH 49 60 79 82 87 93 72 58 54 68 88 94 97 97 82 70 68 72 Wind dir S S S S S SW W NW NW N N NW NW N N N N N Wind spd 4 3 2 2 2 2 3 5 5 4 3 2 2 2 3 5 6 5 Clouds FW SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC PoP 12hr 20 20 20 40 30 QPF 12hr 0 0.02 0.02-0.32 0.18-0.98 0.00-0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S C C C C C C C C Tstms S S S S S S S S C C S S S S C C Heat index 107 99 84 94104104 99 89 95 93 87 Max heat 109 114 97 108 109 96 100 99 Heat Y Y Y Y Y Y Y Y Y Y Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 86 64 88 65 89 62 83 Temp 72 67 82 80 69 65 85 82 70 66 86 81 69 63 80 76 Dewpt 69 65 69 68 65 64 69 68 65 64 69 66 62 59 60 59 PWind dir NE NE NE N N NW N N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 5 0 5 0 5 0 5 $$