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

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

62°F

17°C

Humidity 42%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 21 Mar 9:55 am CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Today

    Today: Sunny, with a high near 84. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 49. South wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a steady temperature around 52. Windy, with a north wind around 22 mph, with gusts as high as 32 mph.

    High: 52 °F

    Partly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Blustery, with a north wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 24 mph.

    Low: 30 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 84. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 49. South wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a steady temperature around 52. Windy, with a north wind around 22 mph, with gusts as high as 32 mph.
Sunday Night
Mostly clear, with a low around 30. Blustery, with a north wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 24 mph.
Monday
Mostly sunny, with a high near 52. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 64. Breezy.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 49.
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:
5:43 am CDT Mar 21, 2026
Forecast Valid:
10am CDT Mar 21, 2026-6pm CDT Mar 27, 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