National Weather Service Des Moines IA Poweshiek- Including the city of Grinnell 146 AM CST Sun Jan 5 2025 Date 01/04/25 Sun 01/05/25 Mon 01/06/25 Tue CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 12 17 9 21 8 Temp 15 13 13 15 16 16 14 13 11 10 11 18 21 16 14 12 11 10 Dewpt 5 2 0 -1 -1 2 2 3 4 4 5 9 9 7 6 5 4 2 RH 64 61 55 48 46 53 58 63 73 76 76 67 59 67 70 73 73 69 Wind dir NE NE NE NE N N N N N N N N N NW N NW NW NW Wind spd 10 12 13 14 16 14 16 14 14 12 12 11 10 5 4 4 4 4 Wind gust 26 Clouds OV OV OV B2 B2 OV OV B2 SC FW FW FW FW FW SC B1 B2 B2 PoP 12hr 10 20 20 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Flurries C Snow S S S S Wind chill 3 -1 -2 -1 1 1 -2 -3 -5 -5 -3 5 10 8 5 5 4 2 Min chill -3 -4 -2 -5 -7 -8 5 3 -1 Date 01/07/25 Wed 01/08/25 Thu 01/09/25 Fri 01/10/25 Sat 01/11/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 21 4 19 6 26 16 28 14 26 Temp 17 16 11 7 16 15 11 10 22 22 21 20 26 24 20 16 24 23 Dewpt 4 5 2 0 3 5 7 7 15 17 18 18 21 19 16 13 16 17 PWind dir NW NW W SW SW SW NW NW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC FW FW FW SC SC SC SC B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 0 0 0 0 0 5 5 0 0