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

33°F

1°C

Humidity 79%
Wind Speed S 13 mph
Barometer 29.86 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 8 Mar 5:15 am CDT
Extended Forecast for

2 Miles W Grinnell Regional Airport IA

  • Today

    Today: Sunny, with a high near 64. Breezy, with a southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 64 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 43. South southwest wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69. South southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. South southwest wind around 6 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 68. South wind 7 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Sunny then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A chance of rain and snow, mainly before 1pm. Mostly cloudy, with a high near 44. Windy. Chance of precipitation is 50%.

    High: 44 °F

    Chance
    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Blustery.

    Low: 25 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Partly sunny, with a high near 52. Breezy.

    High: 52 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 64. Breezy, with a southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 43. South southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 69. South southwest wind around 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 46. South southwest wind around 6 mph.
Tuesday
A 40 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 68. South wind 7 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain and snow, mainly before 1pm. Mostly cloudy, with a high near 44. Windy. Chance of precipitation is 50%.
Wednesday Night
Mostly clear, with a low around 25. Blustery.
Thursday
Partly sunny, with a high near 52. Breezy.
Thursday Night
Mostly cloudy, with a low around 40. Breezy.
Friday
Partly sunny, with a high near 53. Breezy.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly cloudy, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Grinnell Regional Airport IA
 41.71°N 92.78°W
Last Update:
12:27 am CST Mar 8, 2026
Forecast Valid:
5am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation