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

16°F

-9°C

Humidity 73%
Wind Speed Calm
Barometer 30.35 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 3 Feb 7:35 pm CST
Extended Forecast for

Grinnell Regional Airport IA

  • Tonight

    Tonight: Partly cloudy, with a low around 11. North wind around 6 mph becoming calm in the evening.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Wind chill values as low as 5. North northwest wind 5 to 9 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Light and variable wind becoming south southwest 5 to 8 mph after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. South southwest wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Windy, with a light west northwest wind becoming northwest 16 to 21 mph in the evening. Winds could gust as high as 28 mph.

    Low: 31 °F

    Mostly Clear
    then Mostly
    Clear and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 41. Windy.

    High: 41 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 11. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 29. Wind chill values as low as 5. North northwest wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Light and variable wind becoming south southwest 5 to 8 mph after midnight.
Thursday
Mostly sunny, with a high near 44. South southwest wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 31. Windy, with a light west northwest wind becoming northwest 16 to 21 mph in the evening. Winds could gust as high as 28 mph.
Friday
Mostly sunny, with a high near 41. Windy.
Friday Night
Mostly clear, with a low around 19.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 48.
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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:
7:29 pm CST Feb 3, 2026
Forecast Valid:
7pm CST Feb 3, 2026-6pm CST Feb 10, 2026
 
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Additional Resources

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Chance of Precipitation