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

18°F

-8°C

Humidity 70%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 7 Feb 5:55 am CST
Extended Forecast for

3 Miles WSW Tama IA

  • Today

    Today: Increasing clouds, with a high near 34. East northeast wind 5 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 34 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. South southeast wind 8 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 40. East southeast wind 3 to 7 mph.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. Light south wind increasing to 5 to 9 mph in the morning.

    High: 57 °F

    Mostly Sunny

  • Monday Night

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

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 34. East northeast wind 5 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly cloudy, with a low around 24. South southeast wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 40. East southeast wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 27. Light and variable wind.
Monday
Mostly sunny, with a high near 57. Light south wind increasing to 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Tama IA
 41.95°N 92.63°W
Last Update:
5:22 am CST Feb 7, 2026
Forecast Valid:
6am CST Feb 7, 2026-6pm CST Feb 13, 2026
 
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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