Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
33°F
1°C
| Humidity | 56% |
| Wind Speed | Calm |
| Barometer | 30.14 in |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 3:55 am CDT |
Extended Forecast for
Grinnell Regional Airport IA
Freeze Warning April 20, 12:00am until April 20, 09:00am
Overnight

Low: 32 °F
Mostly Clear
Sunday

High: 54 °F
Mostly Sunny
Sunday Night

Low: 29 °F
Clear then
FrostMonday
High: 62 °F
Frost then
Sunny and
BreezyMonday Night

Low: 49 °F
Partly Cloudy
Tuesday

High: 79 °F
Sunny
Tuesday Night

Low: 51 °F
Clear
Wednesday

High: 80 °F
Sunny
Wednesday Night

Low: 59 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 32. Light west southwest wind.
Sunday
Mostly sunny, with a high near 54. West southwest wind 6 to 15 mph becoming north northwest in the morning. Winds could gust as high as 23 mph.
Sunday Night
Widespread frost after 4am. Otherwise, clear, with a low around 29. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 62. Breezy, with a light southeast wind becoming south southeast 11 to 16 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 49. South wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Clear, with a low around 51.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. Windy.
Thursday Night
Showers and possibly a thunderstorm. Low around 48. Breezy. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 63.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 62.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grinnell Regional Airport IA
41.71°N 92.75°W
41.71°N 92.75°W
3:06 am CDT Apr 19, 2026
3am CDT Apr 19, 2026-6pm CDT Apr 25, 2026



