National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

40°F

4°C

Humidity 61%
Wind Speed W 13 mph
Barometer 29.90 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 5 Feb 11:15 am CST
Extended Forecast for

Grinnell Regional Airport IA

  • Today

    Today: Partly sunny, with a high near 45. Northwest wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. Blustery, with a west wind 6 to 16 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Mostly Clear
    then Partly
    Cloudy and
    Blustery

  • Friday

    Friday: Partly sunny, with a high near 39. Windy, with a north northwest wind 16 to 22 mph, with gusts as high as 31 mph.

    High: 39 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 16 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Light and variable wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 45. Northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 31. Blustery, with a west wind 6 to 16 mph, with gusts as high as 26 mph.
Friday
Partly sunny, with a high near 39. Windy, with a north northwest wind 16 to 22 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 16. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 34. Light and variable wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 50.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
10:49 am CST Feb 5, 2026
Forecast Valid:
11am CST Feb 5, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation