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 and Breezy

19°F

-7°C

Humidity 63%
Wind Speed NW 24 G 30 mph
Barometer 30.56 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 22 Feb 4:55 pm CST
Extended Forecast for

Chelsea IA

  • Tonight

    Tonight: Partly cloudy, with a low around 3. Wind chill values as low as -5. Blustery, with a north northwest wind 7 to 17 mph, with gusts as high as 30 mph.

    Low: 3 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 18. Wind chill values as low as -10. North northwest wind around 6 mph becoming calm in the afternoon.

    High: 18 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a temperature falling to near 11 by 9pm, then rising to around 17 during the remainder of the night. Wind chill values as low as 5. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 18 mph.

    Low: 11 °F⇑

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41. Wind chill values as low as 5. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. Northwest wind 5 to 8 mph.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 32.

    High: 32 °F

    Sunny then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.

    Low: 16 °F

    Snow Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 3. Wind chill values as low as -5. Blustery, with a north northwest wind 7 to 17 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 18. Wind chill values as low as -10. North northwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a temperature falling to near 11 by 9pm, then rising to around 17 during the remainder of the night. Wind chill values as low as 5. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 41. Wind chill values as low as 5. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 17. Northwest wind 5 to 8 mph.
Wednesday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 32.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 19.
Friday
Sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelsea IA
 41.92°N 92.39°W
Last Update:
4:31 pm CST Feb 22, 2026
Forecast Valid:
5pm CST Feb 22, 2026-6pm CST Mar 1, 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