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

31°F

-1°C

Humidity 88%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 9 Jan 7:35 pm CST
Extended Forecast for

4 Miles SSE Chelsea IA

  • Tonight

    Tonight: A chance of rain and snow before 3am, then a chance of snow between 3am and 5am, then a chance of flurries after 5am. Mostly cloudy, with a steady temperature around 32. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of flurries between 7am and 1pm. Partly sunny, with a high near 34. Breezy, with a west northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 34 °F

    Partly Sunny
    then Chance
    Flurries and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. Wind chill values as low as 5. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 18 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 31. Wind chill values as low as 5. Northwest wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Monday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow before 3am, then a chance of snow between 3am and 5am, then a chance of flurries after 5am. Mostly cloudy, with a steady temperature around 32. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A chance of flurries between 7am and 1pm. Partly sunny, with a high near 34. Breezy, with a west northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 18. Wind chill values as low as 5. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 31. Wind chill values as low as 5. Northwest wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 24. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly cloudy, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Chelsea IA
 41.85°N 92.37°W
Last Update:
5:11 pm CST Jan 9, 2026
Forecast Valid:
7pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation