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.

Overcast

22°F

-6°C

Humidity 75%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 2 Jan 10:55 pm CST
Extended Forecast for

4 Miles S Gilman IA

  • Tonight

    Tonight: A chance of flurries between midnight and 4am. Mostly cloudy, with a low around 19. Light north northeast wind.

    Low: 19 °F

    Chance
    Flurries

  • Saturday

    Saturday: Mostly cloudy, with a high near 30. Calm wind becoming west northwest around 5 mph.

    High: 30 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Calm wind.

    Low: 17 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 33. Light east wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. South wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of flurries between midnight and 4am. Mostly cloudy, with a low around 19. Light north northeast wind.
Saturday
Mostly cloudy, with a high near 30. Calm wind becoming west northwest around 5 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Calm wind.
Sunday
Partly sunny, with a high near 33. Light east wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 29. South wind 6 to 13 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Gilman IA
 41.82°N 92.78°W
Last Update:
10:17 pm CST Jan 2, 2026
Forecast Valid:
11pm CST Jan 2, 2026-6pm CST Jan 9, 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