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

32°F

0°C

Humidity 89%
Wind Speed NW 14 mph
Barometer 30.00 in
Dewpoint 29°F (-2°C)
Visibility 7.00 mi
Wind Chill22°F (-6°C)
Last update 3 Dec 8:55 am CST
Extended Forecast for

Grinnell IA

  • Today

    Today: A chance of flurries before 11am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 13 by 5pm. Wind chill values as low as zero. Blustery, with a north northwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 30 °F⇓

    Mostly Cloudy
    then Partly
    Sunny and
    Blustery

  • Tonight

    Tonight: Partly cloudy, with a low around -14. Wind chill values as low as -20. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: -14 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 9. Wind chill values as low as -15. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 9 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a temperature rising to around 12 by 4am. Wind chill values as low as -10. South southwest wind 7 to 9 mph.

    Low: 4 °F⇑

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28. West southwest wind 5 to 8 mph.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 23.

    High: 23 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
A chance of flurries before 11am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 13 by 5pm. Wind chill values as low as zero. Blustery, with a north northwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around -14. Wind chill values as low as -20. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny and cold, with a high near 9. Wind chill values as low as -15. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a temperature rising to around 12 by 4am. Wind chill values as low as -10. South southwest wind 7 to 9 mph.
Friday
Partly sunny, with a high near 28. West southwest wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Mostly cloudy, with a high near 25.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 15.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly cloudy, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell IA
 41.75°N 92.72°W
Last Update:
6:42 am CST Dec 3, 2025
Forecast Valid:
9am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation