Area Forecast Matrices
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
685 FOUS53 KLSX 181826 AFMLSX Area Forecast Matrices National Weather Service Saint Louis MO 126 PM CDT Tue Aug 18 2026 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 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 70 80 67 83 Temp 87 83 76 73 71 70 72 78 79 76 72 70 68 67 74 80 83 79 Dewpt 68 69 68 68 68 69 71 73 74 73 71 70 68 67 71 71 71 70 RH 53 63 76 84 90 97 97 85 85 90 97100100100 90 74 67 74 Wind dir S SE SE SE W W S S N N NE NE NE NE NE NE NE NE Wind spd 3 3 4 3 3 4 4 3 3 3 2 2 2 2 4 4 4 3 Clouds SC SC FW SC B2 OV OV B2 B2 B1 B1 SC B1 B2 B1 SC SC FW PoP 12hr 0 70 80 20 10 QPF 12hr 0 0.05-0.36 0.10-0.53 0.00-0.24 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C D C C C S S Tstms S C S S S C S S Heat index 90 86 81 83 88 80 Max heat 91 93 87 85 89 88 91 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 86 67 86 65 83 65 85 Temp 70 65 83 82 71 67 83 81 70 66 80 78 69 65 82 82 Dewpt 68 65 71 71 68 67 70 70 67 64 66 67 65 63 69 70 PWind dir NE NW W NW N NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW FW FW FW FW SC SC B1 SC SC SC PoP 12hr 0 0 20 20 0 5 30 20 Rain shwrs S S S S C S Tstms S S S S S $$ MOZ042-049-050-182100- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 68 80 65 82 Temp 87 84 75 72 69 68 72 78 80 78 71 69 66 65 72 79 82 79 Dewpt 67 69 68 68 68 68 71 72 73 72 71 69 66 65 70 70 70 69 RH 52 61 79 87 97100 97 82 79 82100100100100 93 74 67 72 Wind dir SW SE E E NE SE SE NE NE NE NE NE NE NE NE NE NE E Wind spd 3 2 3 2 4 4 4 3 4 4 3 2 2 3 4 4 4 3 Clouds B2 SC FW SC OV OV B2 OV B1 SC SC SC SC B2 B1 SC FW FW PoP 12hr 0 90 70 10 5 QPF 12hr 0 0.26-0.88 0.06-0.15 0.00-0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D L C C S S Tstms C C S S C S S Heat index 90 88 83 81 86 Max heat 90 95 88 90 91 85 89 91 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 85 65 85 63 82 65 87 Temp 68 64 83 82 70 66 82 81 69 65 79 78 69 66 83 82 Dewpt 67 64 70 71 68 66 69 70 67 64 66 67 64 63 69 71 PWind dir E SW W NW NE E E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC FW FW FW SC SC B1 SC SC SC PoP 12hr 0 0 20 20 5 10 30 20 Rain shwrs S S S C S Tstms S S S S S $$ MOZ041-047-048-182100- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 70 82 67 84 Temp 89 86 77 74 71 70 74 79 82 80 74 71 68 67 74 81 84 81 Dewpt 67 69 69 69 69 69 71 72 73 73 72 70 68 67 70 70 70 70 RH 48 57 76 84 93 97 90 79 74 79 93 97100100 87 69 63 69 Wind dir S SE E E N E SE E NE NE NE NE NE NE NE NE NE NE Wind spd 3 2 2 2 4 3 3 3 4 3 3 2 2 2 3 4 3 2 Clouds B1 SC SC B1 OV OV B2 OV B1 SC SC SC SC B2 B1 SC FW FW PoP 12hr 0 90 70 10 5 QPF 12hr 0 0.33-0.91 0.01-0.10 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D L C C S Tstms C C S S C S Heat index 92 90 81 87 82 84 89 84 Max heat 91 96 89 90 91 84 90 94 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 88 67 87 66 85 68 90 Temp 70 66 84 83 71 68 84 82 70 66 81 80 71 68 85 85 Dewpt 68 66 71 72 69 67 69 70 67 64 67 68 65 64 70 71 PWind dir E SW W N NE E E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC FW FW FW SC SC B1 SC SC SC PoP 12hr 0 0 20 20 5 10 30 20 Rain shwrs S S S S S C S Tstms S S S S S S $$ ILZ095>097-MOZ018-019-026-027-034>036-182100- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 68 80 64 82 Temp 84 82 74 70 69 68 72 76 79 78 71 68 65 64 73 78 82 79 Dewpt 68 70 69 69 68 68 70 72 72 71 69 67 65 64 69 68 68 69 RH 59 67 84 97 97100 93 87 79 79 93 97100100 87 71 63 72 Wind dir SW S S S SW SW NE NE NE NE NE NE NE NE E E E E Wind spd 4 2 1 1 2 2 3 3 3 3 2 2 2 2 3 3 3 1 Clouds B2 SC SC B1 OV OV OV B2 B1 B1 B1 SC B1 B2 SC FW FW FW PoP 12hr 5 60 40 20 0 QPF 12hr 0 0.08-0.61 0.02-0.15 0.00-0.14 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S S S S Tstms S C C S S S S S Heat index 88 86 82 85 Max heat 88 91 88 86 86 88 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 84 65 83 62 80 64 83 Temp 68 64 81 81 70 66 80 80 68 64 77 77 68 64 79 80 Dewpt 66 64 71 72 67 66 69 70 65 62 66 67 63 63 69 71 PWind dir SE SW W NW N E SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC FW FW FW SC SC B1 SC SC SC PoP 12hr 0 5 20 20 0 10 30 20 Rain shwrs S S S S S C S Tstms S S S S S S $$ ILZ069-070-074-182100- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 68 80 66 82 Temp 85 81 73 70 70 69 72 77 80 76 71 70 68 67 73 80 82 78 Dewpt 67 69 68 67 67 68 71 72 73 72 71 70 68 67 71 71 71 70 RH 55 67 84 90 90 97 97 85 79 87100100100100 93 74 69 76 Wind dir SW S SE S S W S SW NW N NE NE NE NE NE NE NE NE Wind spd 1 2 3 2 1 2 3 2 2 2 1 1 1 1 3 3 3 2 Clouds FW SC FW SC B1 OV OV B2 B2 B1 B1 SC B1 B2 B2 SC SC FW PoP 12hr 0 50 80 30 10 QPF 12hr 0 0.00-0.09 0.25-0.53 0.06-0.35 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C C C S C S S S S S Tstms S S S S C C S C S S Heat index 88 84 83 83 87 Max heat 88 91 87 89 87 90 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 85 65 85 63 82 63 84 Temp 69 65 82 81 70 66 82 80 69 65 80 78 67 64 81 80 Dewpt 68 65 70 71 68 66 70 69 67 65 65 66 64 63 68 69 PWind dir NE N W NW N N E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 0 5 10 20 0 5 20 20 Rain shwrs S S S S S S Tstms S S $$ MOZ074-084-085-099-182100- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 69 86 66 84 Temp 90 83 75 72 70 69 75 83 85 78 72 70 68 66 73 80 84 78 Dewpt 67 69 68 67 67 68 71 73 74 75 72 70 68 66 72 73 74 73 RH 47 63 79 84 90 97 87 72 70 91100100100100 97 79 72 85 Wind dir S SE SE S S NE E SE E NE NE NE N N NE NE NE NE Wind spd 1 2 3 2 2 2 2 3 2 2 2 1 1 1 2 2 2 2 Wind gust 14 16 14 12 11 11 Clouds FW FW FW CL SC B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 SC SC FW PoP 12hr 0 40 60 40 20 QPF 12hr 0 0.01-0.16 0.03-0.59 0.22-0.77 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S S C C S S Tstms S C C S S S S C S S S Heat index 93 86 88 94 83 91 Max heat 94 97 86 97 101 92 98 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 87 65 88 64 85 64 87 Temp 70 65 84 81 70 66 85 82 69 65 82 79 69 65 84 82 Dewpt 70 65 71 72 68 66 69 71 68 65 67 69 65 63 69 71 PWind dir NE N NW NW N NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 5 5 5 10 5 5 20 20 Rain shwrs S S S S Tstms S S S $$ MOZ051-052-060-182100- Montgomery MO-Lincoln MO-Warren MO- 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 67 79 65 82 Temp 87 82 74 71 69 67 70 77 79 76 71 68 66 65 71 79 82 78 Dewpt 68 70 69 68 69 67 70 73 74 72 70 68 66 65 70 70 71 70 RH 53 67 84 90100100100 87 85 87 97100100100 97 74 69 76 Wind dir SW SE SE E SW S SE S NE NE NE NE NE NE NE NE NE E Wind spd 2 1 2 1 3 3 2 2 2 2 1 1 1 2 3 3 2 1 Clouds B2 SC FW SC OV OV OV OV B1 SC SC SC SC B2 B1 SC FW FW PoP 12hr 0 90 80 20 5 QPF 12hr 0 0.26-0.78 0.08-0.19 0.00-0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D C C S S Tstms C C S S C S S Heat index 90 86 81 86 Max heat 88 93 86 85 87 87 90 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 85 65 85 62 82 64 85 Temp 68 64 82 81 70 66 82 80 68 64 79 77 68 64 81 81 Dewpt 67 64 71 72 68 65 70 70 67 63 66 67 64 63 70 71 PWind dir E SW W NW N E E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW SC SC B1 SC SC SC PoP 12hr 0 0 20 20 0 10 30 20 Rain shwrs S S S C S Tstms S S S S S $$ ILZ058-059-098-099-182100- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 67 78 64 82 Temp 85 81 72 70 68 67 71 77 78 76 69 67 65 64 72 80 82 78 Dewpt 67 69 68 68 68 67 70 72 72 71 69 67 65 64 69 68 68 68 RH 55 67 87 93100100 97 85 82 85100100100100 90 67 63 71 Wind dir SW S SE SE SW SW SE SE N N NE NE NE NE NE NE NE NE Wind spd 4 2 3 2 2 3 3 2 3 2 2 2 2 3 4 4 4 2 Clouds B1 SC FW B1 OV OV OV B2 B2 B1 B1 SC SC B1 SC FW FW FW PoP 12hr 0 70 60 20 5 QPF 12hr 0 0.07-0.48 0.05-0.30 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C C C S Tstms S S S S C C S Heat index 88 84 82 85 Max heat 88 91 85 85 88 89 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 85 64 84 61 81 62 83 Temp 67 62 82 81 70 65 82 80 68 63 79 77 67 63 80 81 Dewpt 66 62 68 69 67 65 68 68 65 62 64 64 63 62 67 68 PWind dir E SW SW NW N NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW SC B1 SC SC SC PoP 12hr 0 0 20 20 0 5 20 20 Rain shwrs S S S S S S Tstms S S S $$ ILZ060-064-065-182100- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 67 78 64 81 Temp 84 80 72 69 68 67 71 77 78 76 70 68 66 65 72 80 81 77 Dewpt 67 69 67 67 67 67 70 71 72 71 70 68 66 65 69 68 68 68 RH 57 69 84 93 97100 97 82 82 85100100100100 90 67 65 74 Wind dir SW S S S SW W SW SW W NW NE NE NE NE NE NE NE NE Wind spd 3 2 2 2 1 2 3 2 2 2 1 1 1 2 3 3 3 2 Clouds SC SC FW SC B2 OV OV B2 B2 B1 B1 SC B1 SC B1 SC FW FW PoP 12hr 0 50 70 20 10 QPF 12hr 0 0.00-0.11 0.16-0.48 0.00-0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C C S S Tstms S S S S C S S Heat index 87 83 81 84 Max heat 86 89 87 84 85 86 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 84 64 83 61 81 61 82 Temp 67 62 81 80 69 65 81 79 68 63 79 77 66 62 79 79 Dewpt 66 62 68 69 66 65 69 68 66 62 64 64 63 62 66 68 PWind dir NE W W NW N N E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 0 5 20 20 0 5 20 20 Rain shwrs S S S S S S Tstms S S S $$ ILZ079-MOZ075-182100- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 68 83 66 83 Temp 87 82 74 72 70 68 72 79 83 77 72 70 67 66 72 79 83 78 Dewpt 68 69 68 67 67 68 71 73 75 74 72 70 67 66 72 74 74 73 RH 53 65 82 84 90100 97 82 77 90100100100100100 85 74 85 Wind dir S SE SE S S NW SE S SW NE NE NE N N NE NE NE NE Wind spd 2 3 4 4 4 3 4 3 3 3 3 2 2 2 3 3 3 2 Clouds FW SC FW FW B1 OV OV B2 B2 B2 B1 B2 OV B2 B2 B1 SC FW PoP 12hr 0 60 80 30 20 QPF 12hr 0 0.01-0.17 0.31-0.73 0.19-0.44 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S D L C S S S C S S S Tstms S S S S S S S C S S Heat index 91 85 81 90 80 89 Max heat 89 94 85 88 94 87 92 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 85 65 86 64 83 63 85 Temp 70 65 83 81 70 66 84 81 70 65 81 78 69 64 82 81 Dewpt 70 65 72 73 69 66 71 72 68 65 67 68 65 64 70 71 PWind dir NE N SW NW N NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 5 5 5 10 0 5 30 20 Rain shwrs S S S C S Tstms S S S $$ MOZ059-062-072-073-182100- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 69 83 66 83 Temp 89 83 75 73 71 69 74 81 82 76 71 69 67 66 73 80 83 77 Dewpt 66 69 68 67 68 68 71 73 75 73 71 69 67 66 71 73 73 71 RH 47 63 79 81 90 97 90 77 79 90100100100100 93 79 72 82 Wind dir SW SE SE S NW NE SE E NE NE NE NE NE NE NE NE NE NE Wind spd 1 1 3 3 3 3 3 2 3 3 2 1 1 1 3 3 3 2 Wind gust 14 17 16 13 Clouds SC SC FW FW B2 OV B2 B2 B2 B1 B1 B1 B1 B2 B2 SC FW FW PoP 12hr 0 80 80 20 10 QPF 12hr 0 0.12-0.75 0.06-0.57 0.01-0.44 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C D C S S S S S S S S Tstms S C C S S S S S S S Heat index 92 86 85 88 84 89 Max heat 91 94 85 93 95 90 94 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 87 65 87 63 84 64 88 Temp 69 65 84 81 70 66 84 81 69 65 81 78 69 65 84 82 Dewpt 69 65 71 71 68 66 70 70 67 65 67 68 65 63 70 70 PWind dir E N W NW NE E SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW SC SC B1 SC SC SC PoP 12hr 0 0 5 20 5 10 30 20 Rain shwrs S S S C S Tstms S S S S $$ ILZ102-MOZ065-182100- Monroe IL-Jefferson MO- 126 PM CDT Tue Aug 18 2026 Date Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 69 82 66 83 Temp 88 82 75 73 71 69 74 80 81 76 72 69 67 66 74 80 83 78 Dewpt 67 69 68 68 68 69 72 74 75 74 72 69 67 66 72 73 74 72 RH 50 65 79 84 90100 93 82 82 94100100100100 93 79 74 82 Wind dir S SE SE S W NW SE SE NW NE NE NE N N NE NE NE NE Wind spd 2 3 4 3 2 3 3 3 3 3 2 1 1 2 3 3 3 2 Wind gust 13 Clouds SC SC FW FW B2 OV B2 B2 B2 B1 B1 B1 B1 B2 B2 SC SC FW PoP 12hr 0 80 90 20 10 QPF 12hr 0 0.03-0.27 0.15-0.70 0.08-0.36 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D C C S S S S S S S Tstms C S S S S S S S S Heat index 92 86 83 88 84 89 Max heat 91 94 85 90 93 89 92 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 86 65 86 64 83 64 86 Temp 69 65 84 82 70 66 84 81 69 65 81 78 68 65 83 82 Dewpt 69 65 73 72 68 66 71 71 68 65 68 68 65 63 71 71 PWind dir NE N W NW N NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW FW FW FW FW SC SC B1 SC SC SC PoP 12hr 5 5 10 20 0 5 30 20 Rain shwrs S S S C S Tstms S S S S $$