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.

Partly Cloudy

-4°F

-20°C

Humidity 77%
Wind Speed Calm
Barometer 30.36 in
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Last update 7 Dec 10:15 pm CST
Extended Forecast for

3 Miles WSW Tama IA

  • Tonight

    Tonight: A chance of flurries with a slight chance of snow before 4am, then a chance of flurries between 4am and 5am, then a slight chance of snow after 5am. Cloudy, with a temperature rising to around 6 by 5am. Wind chill values as low as -10. Light and variable wind. Chance of precipitation is 20%.

    Low: -5 °F⇑

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: A chance of flurries between 11am and noon. Mostly cloudy, with a high near 23. Wind chill values as low as zero. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 23 °F

    Chance
    Flurries

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 28 by 1am. Wind chill values as low as 10. South wind 7 to 11 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 20 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 39. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 39 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 22. Windy, with a southwest wind 17 to 25 mph becoming west northwest after midnight. Winds could gust as high as 34 mph.

    Low: 22 °F

    Windy. Slight
    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 29. Blustery.

    High: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Mostly cloudy, with a high near 22.

    High: 22 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of flurries with a slight chance of snow before 4am, then a chance of flurries between 4am and 5am, then a slight chance of snow after 5am. Cloudy, with a temperature rising to around 6 by 5am. Wind chill values as low as -10. Light and variable wind. Chance of precipitation is 20%.
Monday
A chance of flurries between 11am and noon. Mostly cloudy, with a high near 23. Wind chill values as low as zero. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 28 by 1am. Wind chill values as low as 10. South wind 7 to 11 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 39. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 22. Windy, with a southwest wind 17 to 25 mph becoming west northwest after midnight. Winds could gust as high as 34 mph.
Wednesday
Mostly cloudy, with a high near 29. Blustery.
Wednesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 11.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 3.
Friday
Partly sunny, with a high near 11.
Friday Night
Mostly cloudy, with a low around -7.
Saturday
Partly sunny and cold, with a high near 6.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Mostly sunny, with a high near 14.
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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:
9:26 pm CST Dec 7, 2025
Forecast Valid:
10pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
Forecast Discussion
 
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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