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

56°F

13°C

Humidity 42%
Wind Speed S 13 mph
Barometer 29.74 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 7 Jan 2:55 pm CST
Extended Forecast for

5 Miles WSW Chelsea IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. South wind 7 to 9 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. South wind 5 to 7 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain, mainly after 11am. High near 46. South southeast wind 5 to 13 mph becoming east northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 46 °F

    Slight Chance
    Rain then
    Rain

  • Thursday Night

    Thursday Night: Rain likely before 3am, then a chance of rain and snow. Cloudy, with a low around 32. East northeast wind around 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of rain and snow before noon, then a slight chance of rain. Partly sunny, with a high near 40. North wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Partly sunny, with a high near 32. Breezy.

    High: 32 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Blustery.

    Low: 16 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 49. South wind 7 to 9 mph.
Tonight
Increasing clouds, with a low around 35. South wind 5 to 7 mph.
Thursday
Rain, mainly after 11am. High near 46. South southeast wind 5 to 13 mph becoming east northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely before 3am, then a chance of rain and snow. Cloudy, with a low around 32. East northeast wind around 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
A slight chance of rain and snow before noon, then a slight chance of rain. Partly sunny, with a high near 40. North wind 7 to 10 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 32. Breezy.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Blustery.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Chelsea IA
 41.9°N 92.48°W
Last Update:
2:06 pm CST Jan 7, 2026
Forecast Valid:
3pm CST Jan 7, 2026-6pm CST Jan 13, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation