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.

Fog/Mist

39°F

4°C

Humidity 87%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 36°F (2°C)
Visibility 4.00 mi
Last update 3 Mar 12:55 pm CST
Extended Forecast for

2 Miles E Chelsea IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 46. East northeast wind 3 to 5 mph.

    High: 46 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Light northeast wind.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of drizzle or freezing rain between 7am and 8am, then a chance of drizzle. Mostly cloudy, with a high near 50. East northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Drizzle/Freezing
    Rain then
    Chance
    Drizzle

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Patchy fog between 9pm and midnight. Otherwise, mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Partly sunny, with a high near 59. Calm wind becoming south around 5 mph.

    High: 59 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 100%.

    High: 69 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 46. East northeast wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 32. Light northeast wind.
Wednesday
A slight chance of drizzle or freezing rain between 7am and 8am, then a chance of drizzle. Mostly cloudy, with a high near 50. East northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Showers likely, mainly after midnight. Patchy fog between 9pm and midnight. Otherwise, mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of showers before noon. Partly sunny, with a high near 59. Calm wind becoming south around 5 mph.
Thursday Night
Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 100%.
Friday Night
Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 38. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Chelsea IA
 41.92°N 92.36°W
Last Update:
12:32 pm CST Mar 3, 2026
Forecast Valid:
12pm CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
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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