National Weather Service Saint Louis MO Madison IL-Saint Clair IL-Monroe IL-Saint Charles MO- Saint Louis MO-Saint Louis City MO-Jefferson MO- Including the cities of Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis 511 AM CST Sun Feb 16 2025 Date Sun 02/16/25 Mon 02/17/25 Tue 02/18/25 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 28 13 23 10 16 Temp 24 23 26 27 24 20 16 14 14 16 18 22 21 19 18 15 13 12 14 16 14 Dewpt 21 19 18 17 14 12 8 6 6 7 11 13 13 13 12 10 8 8 8 9 8 RH 88 84 71 65 65 71 70 70 70 67 73 68 71 77 77 80 80 84 76 73 76 Wind dir NW NW NW NW NW NW NW NW NW NW N NE NE NE NE NE NE NE NE NE NE Wind spd 16 17 16 16 12 10 8 5 5 4 3 4 4 5 6 8 9 9 9 10 9 Wind gust 32 29 27 27 25 23 20 16 18 19 Clouds OV OV B2 B2 B1 SC SC SC B2 B2 OV B2 OV OV OV OV OV B2 OV B2 OV PoP 12hr 5 5 40 30 60 QPF 12hr 0 0 0.01 0.01 0.02-0.22 Snow 12hr 00-00 00-00 T Snow S C C C C C C L L D Wind chill 11 10 13 15 13 9 6 6 5 8 15 16 15 12 9 5 1 0 2 4 2 Min chill 7 5 8 -1 0 0 9 2 -4 -6 -2 Date Wed 02/19/25 Thu 02/20/25 Fri 02/21/25 Sat 02/22/25 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 8 17 0 17 2 24 5 31 Temp 12 10 14 15 7 2 12 13 7 5 17 18 10 7 24 25 Dewpt 7 6 9 9 3 -2 4 6 4 2 9 11 7 5 16 18 PWind dir N N NW NW NW NW NW SW Wind char GN GN LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 B1 SC SC B1 B1 SC SC SC SC SC SC PoP 12hr 80 30 5 0 0 5 10 0 Snow D L C