Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
75°F
24°C
| Humidity | 19% |
| Wind Speed | N 15 G 18 mph |
| Barometer | 29.91 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 20 Mar 1:55 pm CDT |
Extended Forecast for
Grinnell IA
This Afternoon

High: 74 °F
Sunny
Tonight

Low: 45 °F
Mostly Clear
Saturday

High: 83 °F
Sunny
Saturday Night

Low: 50 °F
Increasing
CloudsSunday

High: 60 °F
Partly Sunny
and WindySunday Night
Low: 30 °F
Mostly Clear
and Blustery
then Mostly
ClearMonday

High: 51 °F
Sunny
Monday Night

Low: 37 °F
Mostly Cloudy
Tuesday

High: 58 °F
Partly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 74. North northwest wind around 9 mph.
Tonight
Mostly clear, with a low around 45. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Sunny, with a high near 83. South southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 50. South wind 7 to 13 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 60. Windy, with a north wind 14 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 30. Blustery.
Monday
Sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 67. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Grinnell IA
41.75°N 92.69°W
41.75°N 92.69°W
1:26 pm CDT Mar 20, 2026
2pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026



