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

39°F

4°C

Humidity 75%
Wind Speed NW 7 mph
Barometer 30.10 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 9 Jan 1:15 pm CST
Extended Forecast for

Chelsea IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 41. North northwest wind 5 to 8 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of flurries before 2am, then a chance of snow, mainly between 2am and 4am. Mostly cloudy, with a low around 29. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    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: Mostly cloudy, with a low around 17. Wind chill values as low as 5. Blustery, with a northwest wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 41. North northwest wind 5 to 8 mph.
Tonight
A chance of flurries before 2am, then a chance of snow, mainly between 2am and 4am. Mostly cloudy, with a low around 29. 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
Mostly cloudy, with a low around 17. Wind chill values as low as 5. Blustery, with a northwest wind 11 to 16 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 30. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chelsea IA
 41.92°N 92.39°W
Last Update:
11:02 am CST Jan 9, 2026
Forecast Valid:
1pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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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