Area Forecast Matrices
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
275 FOUS53 KLSX 182116 AFMLSX Area Forecast Matrices National Weather Service Saint Louis MO 416 PM CDT Mon Aug 18 2025 ILZ100-101-MOZ061-063-064-190900- 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 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 93 72 87 66 Temp 89 81 79 76 75 85 91 92 87 79 76 74 73 80 84 84 81 75 72 69 67 Dewpt 75 74 73 72 72 75 75 75 76 75 74 73 72 74 73 71 70 70 68 67 66 RH 64 79 82 87 90 72 60 58 70 88 94 97 97 82 70 65 69 84 87 93 97 Wind dir SE S S S SW W NW NW N N N N N NE NE N NE NE NE NE N Wind spd 4 3 3 3 3 4 6 6 5 4 2 2 3 5 8 9 6 5 4 4 4 Clouds FW SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC FW FW FW SC PoP 12hr 30 20 40 20 5 QPF 12hr 0.00-0.18 0.02-0.43 0.05-0.49 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S C C S S S S S S Tstms S S S S S S S C C S S S S S S Heat index 100 87 80 93102102 97 81 83 90 89 85 Max heat 109 100 87 106 107 97 94 95 86 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 88 68 87 62 81 58 78 Temp 82 80 71 68 85 83 72 69 83 81 68 63 78 75 64 59 75 73 Dewpt 69 68 68 66 69 69 67 66 68 65 61 59 59 58 57 55 56 56 PWind dir NE NE N N NW N N N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW SC FW FW FW FW SC SC FW SC SC PoP 12hr 5 0 0 5 5 5 5 5 5 $$ MOZ049-190900- Osage MO- 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 94 71 88 66 Temp 89 80 77 74 73 82 90 92 88 79 76 73 72 78 84 86 83 75 72 68 67 Dewpt 72 73 72 71 71 73 73 72 74 74 73 72 72 72 71 69 68 68 67 67 66 RH 57 79 85 90 93 74 58 52 63 85 90 97100 82 65 57 61 79 84 97 97 Wind dir S SE S SW SW W NW N N NE NW N N NE NE NE NE NE NE NE NE Wind spd 4 3 3 3 3 4 4 5 5 4 2 2 3 5 5 8 5 4 4 3 3 Clouds B1 SC FW FW SC SC SC SC FW FW SC SC B1 SC SC FW FW FW FW FW FW PoP 12hr 30 20 40 20 5 QPF 12hr 0.00-0.34 0.02-0.10 0.02-0.09 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S C C S S S S S S Tstms S S S S S S S C C S S S S S S Heat index 96 82 88 98100 97 80 89 90 86 Max heat 106 94 102 102 97 91 92 86 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 65 89 66 86 61 81 57 77 Temp 81 81 69 66 85 84 70 67 83 81 66 62 78 76 63 58 73 73 Dewpt 65 64 66 66 67 66 66 66 65 62 60 58 58 58 56 55 55 55 PWind dir NE NE NE NE N N N NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW CL CL FW FW FW FW FW FW FW CL FW SC FW SC SC SC PoP 12hr 5 0 0 5 5 5 5 5 10 $$ MOZ042-050-190900- Audrain MO-Callaway MO- Including the cities of Mexico and Fulton 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 72 91 70 85 64 Temp 89 79 76 74 72 81 88 90 86 77 74 72 70 77 82 84 80 72 69 66 65 Dewpt 74 72 72 71 71 74 74 74 75 74 73 71 70 72 71 70 69 68 67 66 64 RH 61 79 87 90 97 79 63 60 70 90 97 97100 85 69 63 69 87 93100 97 Wind dir S S S SW SW NW NW N N N N N N NE NE NE NE NE NE NE NE Wind spd 4 3 3 3 3 5 5 6 5 5 3 3 4 6 8 9 8 5 4 4 4 Clouds B1 SC SC SC SC SC SC SC FW FW SC SC B1 SC SC FW FW FW FW FW FW PoP 12hr 30 20 30 20 5 QPF 12hr 0.00-0.26 0.00-0.11 0.00-0.25 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S S C C S S S S Tstms S S S C S S C C S S S Heat index 97 81 86 96 99 95 87 88 83 Max heat 106 97 101 103 96 91 92 84 Heat Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 64 86 65 83 59 78 55 75 Temp 79 79 67 65 83 82 69 66 80 78 64 60 76 74 60 56 72 71 Dewpt 66 66 66 64 67 67 65 64 65 63 58 57 57 57 55 54 55 55 PWind dir NE NE NE NE N N N N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW CL CL FW FW FW FW SC FW FW FW FW SC SC SC SC SC PoP 12hr 5 0 0 5 5 5 5 5 10 $$ MOZ047-048-190900- Moniteau MO-Cole MO- Including the city of Jefferson City 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 94 71 89 65 Temp 90 80 77 74 73 83 90 92 89 79 75 73 72 79 85 86 84 75 71 68 66 Dewpt 72 72 71 71 71 73 73 73 75 74 73 72 71 73 71 70 69 69 67 66 66 RH 56 77 82 90 93 72 58 54 64 85 94 97 97 82 63 59 61 82 87 93100 Wind dir S SE S SW SW NW NW N N NE N N N NE NE NE NE NE NE NE NE Wind spd 4 3 3 3 3 3 5 5 5 4 2 2 2 4 5 6 5 4 2 2 2 Clouds B1 SC SC FW SC B1 SC SC FW FW SC SC B1 SC SC FW FW FW FW FW FW PoP 12hr 30 20 40 20 10 QPF 12hr 0.00-0.29 0.01-0.14 0.03-0.43 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S S S C C S S S S Tstms S S S C S S S C C S S S Heat index 98 83 89 99101 98 80 90 91 87 Max heat 107 96 102 105 98 92 94 85 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 65 90 66 87 61 81 57 78 Temp 82 81 69 66 86 85 70 67 83 82 66 62 78 77 62 58 74 73 Dewpt 66 65 66 65 67 66 65 65 65 62 60 58 58 58 56 55 56 55 PWind dir NE E NE NE N NE N NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW CL CL FW FW FW FW SC FW FW CL FW SC FW SC SC SC PoP 12hr 5 0 0 5 5 10 5 10 10 $$ MOZ041-190900- Boone MO- Including the city of Columbia 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 72 92 71 87 65 Temp 91 82 78 75 73 82 88 90 87 79 75 73 72 78 83 85 82 75 71 68 66 Dewpt 73 72 72 71 71 73 74 74 75 74 73 71 70 73 71 70 69 68 67 66 64 RH 56 72 82 87 93 74 63 60 68 85 94 93 93 85 67 61 65 79 87 93 93 Wind dir S SE S SW SW NW NW N N NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 4 3 3 3 3 4 5 6 5 5 3 3 4 5 8 9 6 5 4 4 4 Clouds SC SC SC SC SC B1 SC SC FW FW SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 30 20 30 10 5 QPF 12hr 0.00-0.23 0.01-0.11 0.00-0.23 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S C C S S S S Tstms S S S C S C C S S S Heat index 99 86 87 96 99 96 88 90 85 Max heat 109 99 101 105 99 92 94 85 Heat Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 88 66 85 60 79 56 76 Temp 80 80 69 66 84 84 70 67 81 80 65 61 76 75 62 57 72 72 Dewpt 66 65 66 64 67 67 65 64 65 62 58 56 57 57 55 53 55 54 PWind dir NE E NE NE N N N NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW CL CL FW FW FW FW SC FW FW FW FW SC SC SC SC SC PoP 12hr 5 0 0 5 5 5 5 10 10 $$ ILZ095>097-MOZ018-019-026-027-034>036-190900- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 89 70 85 64 Temp 90 80 77 75 73 81 86 88 85 76 74 72 71 77 82 83 80 72 69 66 65 Dewpt 76 74 73 72 71 73 74 74 76 74 72 71 70 72 71 70 69 69 67 65 64 RH 64 82 87 90 93 77 68 63 75 94 93 97 97 85 69 65 69 90 93 97 97 Wind dir S S S SW W NW N N N N N N N NE NE NE NE NE NE NE NE Wind spd 4 3 3 3 3 4 6 6 5 4 2 3 4 5 6 8 6 4 3 3 3 Clouds FW SC B1 B1 B1 B1 SC SC FW SC SC SC SC SC SC FW FW FW FW FW SC PoP 12hr 30 20 20 10 5 QPF 12hr 0.01-0.76 0.00-0.32 0.00-0.26 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S S S S Tstms S S S C S S S S Heat index 101 84 85 94 97 94 86 88 83 Max heat 110 101 88 102 103 97 90 91 83 Heat Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 64 86 66 83 59 77 54 75 Temp 78 79 68 65 82 82 69 67 79 77 63 60 74 72 59 55 72 71 Dewpt 67 67 66 64 67 69 66 64 64 62 59 56 57 57 55 53 54 55 PWind dir NE NE N N NW N NW N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC FW FW FW FW SC FW SC SC SC PoP 12hr 0 0 0 10 5 5 5 5 5 $$ ILZ069-070-074-190900- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 93 72 87 67 Temp 89 80 77 75 76 85 91 92 86 78 75 73 73 80 84 84 80 75 72 68 68 Dewpt 75 74 74 73 73 75 75 75 76 75 74 73 72 74 72 72 70 70 69 67 67 RH 64 82 90 94 90 72 60 58 72 91 97100 97 82 67 67 72 84 90 97 97 Wind dir SE SE S S SW SW W NW N N N N NE NE NE N N NE NE N N Wind spd 3 3 3 2 3 4 5 5 5 4 2 2 3 5 6 9 6 5 5 5 5 Clouds CL FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW SC SC PoP 12hr 20 20 40 20 0 QPF 12hr 0 0.01-0.25 0.07-0.79 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C S S S S S S Tstms S S S C C S S S S S S Heat index 99 84 94102103 97 82 90 90 84 Max heat 107 102 90 105 107 97 93 94 85 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 66 88 67 87 61 81 57 78 Temp 83 80 70 68 85 82 71 68 84 80 67 62 79 74 63 58 76 72 Dewpt 69 69 68 66 69 70 67 66 67 67 63 60 59 59 58 56 55 57 PWind dir NE NE N N NW N NW N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW SC FW FW FW SC PoP 12hr 5 0 0 0 5 5 5 5 5 $$ MOZ074-084-085-099-190900- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 95 70 88 65 Temp 90 79 76 74 73 86 93 93 86 77 74 72 71 80 85 85 81 74 71 68 67 Dewpt 72 72 71 70 71 74 73 73 74 74 73 71 71 73 72 71 70 69 68 67 65 RH 56 79 85 87 93 68 52 52 68 90 97 97100 79 65 63 69 84 90 97 93 Wind dir S SE S S SW SW NW NW N NW NW N N N NE NE N NE NE N N Wind spd 3 2 2 2 2 3 3 4 3 3 2 2 2 3 4 4 4 3 3 3 3 Wind gust 16 16 13 13 13 13 Clouds SC SC FW FW FW FW SC SC B1 SC SC B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 20 40 50 40 10 QPF 12hr 0.00-0.09 0.04-0.36 0.10-0.37 0.02-0.13 0.00-0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C C C C C C Tstms S S S C C C S S S C C C C Heat index 97 81 94103102 94 82 90 90 84 Max heat 105 96 109 109 94 96 97 86 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 65 89 65 89 61 81 57 79 Temp 82 80 70 66 86 82 69 66 86 81 67 62 79 76 63 58 76 72 Dewpt 67 67 66 65 67 67 65 64 66 65 61 59 60 60 56 54 56 57 PWind dir NE NE N N N N N N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW CL CL FW FW FW FW FW FW SC SC SC SC PoP 12hr 10 0 5 0 5 5 5 5 10 $$ MOZ060-190900- Warren MO- 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 72 92 70 86 64 Temp 89 79 77 74 73 82 89 91 86 77 74 72 71 78 82 84 80 73 69 67 66 Dewpt 75 74 73 72 72 75 75 75 76 75 73 72 71 73 73 71 70 69 67 66 65 RH 64 85 87 93 97 79 64 60 72 94 97100100 85 74 65 72 87 93 97 97 Wind dir S S S SW SW W NW N N N N N N NE NE NE NE NE NE NE N Wind spd 3 3 2 3 3 4 5 5 4 4 2 2 3 4 5 6 5 3 3 3 3 Clouds SC SC SC SC SC SC SC SC SC SC SC SC B1 SC SC SC SC FW FW FW FW PoP 12hr 30 20 40 20 5 QPF 12hr 0.02-0.23 0.05 0.03-0.25 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S C C S S S S Tstms S S S S S S S C C S S S S Heat index 98 80 88 99101 96 88 89 84 Max heat 109 96 102 105 92 91 92 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 87 66 84 60 79 56 76 Temp 79 79 69 66 83 82 69 67 81 79 65 61 76 74 61 57 72 71 Dewpt 69 67 66 65 69 69 66 66 69 64 60 58 60 59 56 55 57 56 PWind dir NE NE NE N NW N N N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW SC SC FW FW FW SC SC SC SC SC PoP 12hr 5 0 0 5 5 5 5 5 10 $$ MOZ051-052-190900- Montgomery MO-Lincoln MO- 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 91 70 85 64 Temp 88 79 76 74 72 82 88 90 85 77 74 72 71 78 82 84 80 72 69 66 65 Dewpt 76 74 73 72 72 75 75 75 77 75 73 72 71 73 73 72 70 69 68 66 65 RH 68 85 90 93100 79 66 62 77 94 97100100 85 74 67 72 90 97100100 Wind dir S S S SW SW W NW N N N N N N NE NE NE NE NE NE NE NE Wind spd 3 3 3 3 3 4 5 6 4 4 2 2 3 5 6 8 5 4 3 3 3 Clouds SC SC SC SC SC SC SC B1 SC SC SC SC B1 SC SC SC FW FW FW FW FW PoP 12hr 30 20 30 20 5 QPF 12hr 0.00-0.29 0.02-0.13 0.01-0.36 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S S S C C S S S S Tstms S S S C S S S C C S S S Heat index 98 88 98101 96 87 89 83 Max heat 110 97 85 102 103 97 90 94 83 Heat Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 64 86 66 84 59 78 55 75 Temp 79 78 68 66 83 81 69 67 80 78 64 61 76 73 60 56 72 71 Dewpt 69 68 67 65 69 70 66 65 68 65 60 58 60 59 56 54 57 57 PWind dir NE NE N N NW N N N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW SC FW FW FW FW SC SC SC SC SC PoP 12hr 5 0 0 5 5 5 5 5 5 $$ ILZ058-059-098-099-190900- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 91 71 84 64 Temp 88 79 77 75 74 83 88 90 86 77 75 73 72 78 82 83 80 73 69 67 66 Dewpt 75 74 73 72 71 73 74 74 74 73 72 71 70 70 69 68 67 68 66 64 64 RH 66 85 87 90 90 72 63 60 68 87 90 93 93 76 65 61 65 84 90 90 93 Wind dir SE S S S SW W NW NW N N N N NE NE NE NE NE NE NE NE N Wind spd 4 4 4 3 3 4 6 6 5 4 2 3 4 6 8 9 6 5 5 5 5 Clouds FW SC SC SC B1 SC SC SC SC SC SC B1 SC SC SC SC FW FW FW FW SC PoP 12hr 30 20 30 10 0 QPF 12hr 0.00-0.18 0.02-0.23 0.00-0.48 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S S S C C S S S S Tstms S S S C S S S C C S S S Heat index 98 81 89 96 99 94 85 87 82 Max heat 109 98 102 103 96 90 91 83 Heat Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 86 66 84 60 78 55 76 Temp 80 79 69 66 83 81 69 68 81 78 65 61 75 73 61 57 73 71 Dewpt 66 66 65 64 66 67 65 65 64 62 60 57 56 56 55 54 53 54 PWind dir NE NE N N NW N NW N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW SC FW FW CL FW SC SC FW FW SC PoP 12hr 0 0 0 5 5 5 5 5 5 $$ ILZ064-065-190900- Bond IL-Fayette IL- Including the city of Vandalia 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 92 71 85 65 Temp 88 79 76 74 74 84 90 91 86 78 75 73 72 79 83 84 80 74 70 67 67 Dewpt 75 74 73 72 72 74 74 74 75 74 73 71 71 73 72 71 69 69 67 66 66 RH 66 85 90 93 93 72 60 58 70 88 94 93 97 82 70 65 69 84 90 97 97 Wind dir SE SE S S SW SW NW NW N N N N N NE NE N N NE NE N N Wind spd 3 3 3 3 3 4 5 5 4 4 2 2 3 5 6 8 5 5 4 4 4 Clouds FW FW FW SC SC SC SC SC SC SC SC SC SC SC B1 SC SC SC FW FW SC PoP 12hr 20 20 30 20 0 QPF 12hr 0 0.01-0.33 0.03-0.59 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C S S S S Tstms S S S S C C S S S Heat index 98 81 92 99101 96 81 88 89 82 Max heat 106 102 90 103 105 96 91 93 85 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 65 88 66 85 60 80 55 77 Temp 82 79 70 67 85 81 70 67 83 79 66 62 78 73 61 57 75 71 Dewpt 68 67 66 65 68 68 66 66 66 65 61 59 59 58 56 54 55 55 PWind dir NE NE N N NW N NW N NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW FW FW FW CL FW FW SC FW FW SC PoP 12hr 5 0 0 5 5 5 5 0 5 $$ ILZ060-190900- Montgomery IL- Including the city of Litchfield 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 72 90 70 84 64 Temp 87 79 76 74 73 83 88 90 85 76 74 72 71 78 82 83 79 72 69 66 66 Dewpt 75 74 72 72 71 74 74 74 75 73 73 71 70 72 71 70 68 67 66 64 64 RH 68 85 87 93 93 74 63 60 72 90 97 97 97 82 69 65 69 84 90 93 93 Wind dir SE SE S S SW W NW NW N N N N N NE NE N N NE NE N N Wind spd 3 4 4 4 3 4 6 6 5 4 2 2 4 5 8 9 6 5 4 4 5 Clouds FW FW SC SC B1 SC SC SC SC SC SC B1 SC SC SC SC SC FW FW FW SC PoP 12hr 30 30 30 10 0 QPF 12hr 0 0.02-0.18 0.01-0.59 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C S S Tstms S S S S S S C C S S Heat index 97 90 97 99 93 86 87 80 Max heat 105 94 99 102 90 88 90 Heat Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 86 65 85 59 78 54 76 Temp 81 79 69 66 83 80 68 67 82 77 65 61 76 72 61 56 74 71 Dewpt 68 67 66 63 67 67 65 65 65 64 60 58 58 57 54 53 54 55 PWind dir NE NE N NW NW NW NW N NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW SC FW FW CL FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 0 5 $$ ILZ079-MOZ075-190900- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 96 72 89 67 Temp 91 81 78 76 75 86 93 94 88 79 76 74 73 80 85 86 82 76 72 70 68 Dewpt 73 73 72 72 72 75 74 74 76 75 74 73 72 74 73 72 70 70 69 68 67 RH 56 77 82 87 90 70 54 53 68 88 94 97 97 82 67 63 67 82 90 93 97 Wind dir SE S S S SW W NW NW N NW NW N N N N N N N NE N N Wind spd 3 3 2 2 3 3 4 5 4 3 2 2 3 5 6 8 6 5 4 4 4 Clouds FW FW FW FW SC SC SC SC B1 SC SC B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 20 30 50 30 5 QPF 12hr 0.01 0.01-0.33 0.09-0.44 0.00-0.13 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C S S C C Tstms S S S S C C S S S S C C Heat index 101 86 94104105 98 80 82 91 92 86 Max heat 109 99 84 107 110 96 95 96 86 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 67 90 67 89 63 83 58 80 Temp 83 81 71 68 86 83 71 68 86 82 69 63 80 77 64 60 77 73 Dewpt 69 68 68 67 69 68 67 66 68 66 62 60 59 59 57 56 57 56 PWind dir N N N N NW N N N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 5 0 5 0 5 5 5 5 5 $$ MOZ059-062-072-073-190900- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 72 94 70 88 65 Temp 89 79 77 74 73 84 91 92 87 78 75 73 72 79 84 85 81 74 71 68 66 Dewpt 73 72 72 71 71 74 74 73 75 74 73 72 71 73 72 71 70 69 68 66 65 RH 59 79 85 90 93 72 58 54 68 88 94 97 97 82 67 63 69 84 90 93 97 Wind dir SW S S SW SW W NW NW N NE NW N N NE NE NE NE NE NE NE N Wind spd 3 2 2 2 2 4 4 5 4 3 1 2 2 3 5 5 4 3 2 2 2 Wind gust 14 Clouds SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC FW FW FW FW PoP 12hr 20 20 50 20 5 QPF 12hr 0.00-0.19 0.02-0.22 0.02-0.38 0.00-0.09 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 S Heat index 96 80 91100101 96 80 89 90 84 Max heat 109 96 105 106 95 94 94 84 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 65 88 66 87 61 81 56 77 Temp 81 80 69 66 84 82 70 67 84 81 66 62 78 75 62 57 74 72 Dewpt 68 66 66 65 68 68 65 65 67 64 60 58 60 59 56 55 57 56 PWind dir NE NE N NE N N N N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 5 0 0 0 5 5 5 5 10 $$ ILZ102-MOZ065-190900- Monroe IL-Jefferson MO- 416 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 95 72 88 66 Temp 90 80 78 75 74 85 92 93 88 78 76 73 73 80 85 85 81 75 72 69 67 Dewpt 74 73 72 71 72 75 75 74 76 75 74 73 72 75 74 73 71 70 69 67 66 RH 60 79 82 87 93 72 58 54 68 91 94100 97 85 70 67 72 84 90 93 97 Wind dir S S S S SW W NW NW N N NW N N NE NE NE NE NE NE NE N Wind spd 3 2 2 2 2 3 5 5 4 3 2 2 2 4 5 6 5 3 3 3 3 Clouds SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 20 20 40 30 5 QPF 12hr 0.02 0.02-0.32 0.08-0.73 0.00-0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S C C C C S S S S Tstms S S S S S S S C C S S S S S S Heat index 99 84 94104104 99 84 93 91 85 Max heat 110 97 107 109 96 96 96 85 Heat Y Y Y Y Y Y Y Y Y Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 66 89 67 88 62 82 58 79 Temp 83 80 71 67 86 83 71 68 85 81 68 62 80 76 64 59 76 73 Dewpt 70 68 68 66 70 69 66 66 69 66 61 59 61 60 57 55 58 57 PWind dir NE NE N N NW N N N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 5 0 0 0 5 5 5 5 5 $$