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

30°F

-1°C

Humidity 83%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 12 Jan 8:55 am CST
Extended Forecast for

Grinnell Regional Airport IA

  • Today

    Today: Sunny, with a high near 47. West southwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Light southwest wind becoming west southwest 8 to 13 mph in the evening. Winds could gust as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. Breezy, with a west wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 50 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Windy, with a northwest wind 13 to 23 mph, with gusts as high as 31 mph.

    Low: 25 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. Windy, with a north northwest wind 20 to 24 mph, with gusts as high as 34 mph.

    High: 30 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. Blustery.

    Low: 13 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 47. West southwest wind 5 to 8 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 33. Light southwest wind becoming west southwest 8 to 13 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 50. Breezy, with a west wind 13 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Windy, with a northwest wind 13 to 23 mph, with gusts as high as 31 mph.
Wednesday
Partly sunny, with a high near 30. Windy, with a north northwest wind 20 to 24 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 13. Blustery.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 30.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Friday Night
Mostly cloudy, with a low around 11. Blustery.
Saturday
Partly sunny, with a high near 16. Blustery.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 22.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
3:11 am CST Jan 12, 2026
Forecast Valid:
9am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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