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

10°F

-12°C

Humidity 56%
Wind Speed Calm
Barometer 30.34 in
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 29 Jan 5:35 pm CST
Extended Forecast for

5 Miles ESE Tama IA

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Wind chill values as low as -10. North wind around 5 mph becoming calm.

    Low: -2 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 12. Wind chill values as low as -15. Blustery, with a north wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 12 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Blustery

  • Friday Night

    Friday Night: Mostly clear, with a low around -1. Wind chill values as low as -10. North northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: -1 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 20. Wind chill values as low as -10. North northwest wind around 6 mph becoming calm in the afternoon.

    High: 20 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 7. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 7 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around -2. Wind chill values as low as -10. North wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 12. Wind chill values as low as -15. Blustery, with a north wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Mostly clear, with a low around -1. Wind chill values as low as -10. North northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 20. Wind chill values as low as -10. North northwest wind around 6 mph becoming calm in the afternoon.
Saturday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 7. Calm wind becoming south 5 to 7 mph after midnight.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 29.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Tama IA
 41.94°N 92.48°W
Last Update:
3:17 pm CST Jan 29, 2026
Forecast Valid:
5pm CST Jan 29, 2026-6pm CST Feb 5, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation