National Weather Service Des Moines IA Poweshiek- Including the city of Grinnell 315 PM CST Wed Feb 19 2025 Date 02/19/25 Thu 02/20/25 Fri 02/21/25 Sat 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 -9 10 -10 15 6 Temp 4 0 -5 -8 -9 -3 6 9 5 -1 -4 -8 -9 -2 9 14 12 9 8 7 7 Dewpt -5 -6-11-12-13 -7 0 2 0 -3 -6 -9-10 -5 2 5 5 4 4 5 5 RH 65 75 74 82 82 82 76 72 79 91 91 95 95 87 72 67 73 80 83 91 91 Wind dir NW NW NW NW NW NW NW NW NW NW W W SW SW SW SW S SW SW SW SW Wind spd 11 10 9 8 8 8 9 8 3 3 2 2 2 2 6 6 5 6 6 6 6 Clouds SC SC FW SC FW FW FW FW FW FW FW FW FW FW FW CL FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Wind chill -12-15-21-24-25-19 -8 -2 -2 -2 4 2 -2 -4 -5 -5 Min chill -15 -23 -28 -27 -8 -15 -17 -13 -2 -5 -7 Cold Weather Y Y Y Y Date 02/22/25 Sun 02/23/25 Mon 02/24/25 Tue 02/25/25 Wed 02/26/25 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 28 18 40 30 49 33 49 31 49 Temp 23 25 21 20 36 36 33 32 44 42 36 33 45 43 33 31 43 42 Dewpt 18 21 20 20 32 32 31 31 37 35 33 32 37 35 32 30 36 34 PWind dir SW SW SW W W W NW W NW Wind char GN LT GN GN GN GN GN LT GN Avg clouds FW FW SC B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B2 PoP 12hr 0 0 0 5 10 5 5 20 30 Rain S C C