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

24°F

-4°C

Humidity 79%
Wind Speed Calm
Barometer 30.40 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 23 Mar 6:55 am CDT
Extended Forecast for

4 Miles ESE Grinnell Regional Airport IA

  • Today

    Today: Mostly sunny, with a high near 50. North wind 5 to 7 mph becoming calm in the morning.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated sprinkles between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 34. South southeast wind 5 to 7 mph.

    Low: 34 °F

    Isolated
    Sprinkles

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. South wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. South southeast wind 6 to 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73. South southwest wind 7 to 9 mph.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 74. Breezy.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 31. Blustery.

    Low: 31 °F

    Slight Chance
    Rain and
    Blustery

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 50. North wind 5 to 7 mph becoming calm in the morning.
Tonight
Isolated sprinkles between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 34. South southeast wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 59. South wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South southeast wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 73. South southwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 74. Breezy.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 31. Blustery.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Grinnell Regional Airport IA
 41.68°N 92.66°W
Last Update:
6:01 am CDT Mar 23, 2026
Forecast Valid:
7am CDT Mar 23, 2026-6pm CDT Mar 29, 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