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

44°F

7°C

Humidity 74%
Wind Speed Calm
Barometer 30.40 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 9 Oct 2:55 am CDT
Extended Forecast for

2 Miles E Chelsea IA

  • Overnight

    Overnight: Clear, with a steady temperature around 42. East southeast wind 3 to 5 mph.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 72. South southeast wind 6 to 10 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Increasing clouds, with a low around 54. Southeast wind around 7 mph.

    Low: 54 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. South southwest wind 6 to 9 mph becoming northwest in the afternoon.

    High: 78 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North northwest wind around 6 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a steady temperature around 42. East southeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 72. South southeast wind 6 to 10 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Increasing clouds, with a low around 54. Southeast wind around 7 mph.
Friday
A 30 percent chance of showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. South southwest wind 6 to 9 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 40. North northwest wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 72.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Chelsea IA
 41.92°N 92.36°W
Last Update:
2:57 am CDT Oct 9, 2025
Forecast Valid:
3am CDT Oct 9, 2025-6pm CDT Oct 15, 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