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

55°F

13°C

Humidity 65%
Wind Speed Calm
Barometer 29.71 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 6 Nov 9:55 pm CST
Extended Forecast for

4 Miles W Chelsea IA

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm. Mostly cloudy early, then gradual clearing, with a low around 42. South southwest wind 7 to 9 mph becoming west after midnight.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 33. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 33 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain and snow. High near 41. Calm wind becoming north 5 to 9 mph in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Partly cloudy, with a low around 22. North northwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Breezy.

    High: 33 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 11pm. Mostly cloudy early, then gradual clearing, with a low around 42. South southwest wind 7 to 9 mph becoming west after midnight.
Friday
Sunny, with a high near 62. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Friday Night
Increasing clouds, with a low around 33. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Rain and snow. High near 41. Calm wind becoming north 5 to 9 mph in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Partly cloudy, with a low around 22. North northwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 33. Breezy.
Sunday Night
Mostly clear, with a low around 18.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 23.
Veterans Day
Partly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Chelsea IA
 41.92°N 92.48°W
Last Update:
10:07 pm CST Nov 6, 2025
Forecast Valid:
10pm CST Nov 6, 2025-6pm CST Nov 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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