Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
52°F
11°C
| Humidity | 55% |
| Wind Speed | SW 9 mph |
| Barometer | 29.88 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 20 Mar 3:15 am CDT |
Extended Forecast for
Sully IA
Overnight
Low: 51 °F
Partly Cloudy
Friday
High: 74 °F
Mostly Sunny
Friday Night
Low: 44 °F
Partly Cloudy
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 53 °F
Partly Cloudy
Sunday
High: 64 °F
Mostly Cloudy
and BreezySunday Night
Low: 32 °F
Partly Cloudy
and Breezy
then Mostly
ClearMonday
High: 53 °F
Sunny
Monday Night
Low: 40 °F
Mostly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a steady temperature around 51. Southwest wind around 8 mph.
Friday
Mostly sunny, with a high near 74. West wind 7 to 9 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around 44. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
Sunny, with a high near 81. South wind 5 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 53. South wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, with a high near 64. Breezy.
Sunday Night
Mostly clear, with a low around 32. Breezy.
Monday
Sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 66. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sully IA
41.58°N 92.84°W
41.58°N 92.84°W
1:56 am CDT Mar 20, 2026
3am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
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