National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

43°F

6°C

Humidity 37%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 11 Feb 6:35 pm CST
Extended Forecast for

Grinnell Regional Airport IA

  • Tonight

    Tonight: A slight chance of rain and snow after 2am. Increasing clouds, with a low around 32. Calm wind. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind becoming south 5 to 7 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Light southeast wind.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. Calm wind.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow after 2am. Increasing clouds, with a low around 32. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind becoming south 5 to 7 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 29. Light southeast wind.
Friday
Sunny, with a high near 55. Calm wind.
Friday Night
Partly cloudy, with a low around 32. Calm wind.
Saturday
Mostly cloudy, with a high near 55.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 36.
Washington's Birthday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly cloudy, with a high near 63. Breezy.
Tuesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
6:27 pm CST Feb 11, 2026
Forecast Valid:
6pm CST Feb 11, 2026-6pm CST Feb 18, 2026
 
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