National Weather Service Des Moines IA Cass- Including the city of Atlantic 845 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 11 -1 9 -13 0 Temp 5 7 10 5 1 -1 2 3 5 7 8 3 -3 -7-11-13-12 -5 0 -3 Dewpt -1 2 3 1 -2 -3 -2 0 2 3 1 -3 -7-10-13-14-12 -7 -6 -7 RH 76 79 73 83 87 91 83 87 87 83 72 75 82 86 90 95100 91 75 82 Wind dir NW NW NW NW W NW N N NE NE NE NE NE NE NE NE NE NE NE N Wind spd 14 16 14 9 5 3 2 2 5 8 10 10 9 9 10 10 10 11 11 10 Wind gust 25 Clouds B2 B1 SC SC SC B1 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 OV PoP 12hr 5 30 70 10 20 QPF 12hr 0 0 0.06 0 0 Snow 12hr 00-00 00-00 1 Flurries Snow C L L C C S S S S Wind chill -13-11 -6 -8-11-10 -4 -6 -5 -6-13-19-24-29-31-31-22-17-19 Min chill -16 -12 -14 -11 -9 -15 -26 -34 -34 -22 Extreme Cold A A A A 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 -11 2 -17 5 -13 12 -6 24 Temp -6 -10 -2 -3-11 -17 -1 -1 -9 -13 6 4 -4 -6 16 19 Dewpt -8 -10 -4 -5-12 -17 -5 -5-10 -13 2 1 -4 -6 14 17 PWind dir N N NW NW NW SW SW SW Wind char GN GN LT LT LT LT LT GN Avg clouds OV B2 B2 B1 SC SC SC SC B1 SC SC SC SC SC SC SC PoP 12hr 10 10 0 5 10 10 5 0