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.

Overcast

31°F

-1°C

Humidity 90%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 9 Jan 10:35 pm CST
Extended Forecast for

2 Miles SSE Chelsea IA

  • Tonight

    Tonight: A chance of flurries before 1am, then a slight chance of rain between 1am and 2am, then a slight chance of snow after 2am. Cloudy, with a low around 30. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow or flurries before 3pm, then a chance of flurries between 3pm and 4pm. 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. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 34 °F

    Partly Sunny
    then Chance
    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Wind chill values as low as 5. Blustery, with a northwest wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 31. Wind chill values as low as 5. Northwest wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 18 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 flurries before 1am, then a slight chance of rain between 1am and 2am, then a slight chance of snow after 2am. Cloudy, with a low around 30. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 20%.
Saturday
A chance of snow or flurries before 3pm, then a chance of flurries between 3pm and 4pm. 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. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 18. Wind chill values as low as 5. Blustery, with a northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 31. Wind chill values as low as 5. Northwest wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 18 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 33.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
A 30 percent chance of snow. 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:
2 Miles SSE Chelsea IA
 41.9°N 92.39°W
Last Update:
10:27 pm CST Jan 9, 2026
Forecast Valid:
10pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation