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.

Partly Cloudy

63°F

17°C

Humidity 88%
Wind Speed E 7 mph
Barometer 30.14 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Oct 9:15 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Tonight

    Tonight: A 20 percent chance of showers. Mostly cloudy, with a low around 56. East southeast wind 8 to 10 mph.

    Low: 56 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers between noon and 1pm. Mostly sunny, with a high near 79. South southeast wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 79 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. South southeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 80. Breezy, with a south wind 13 to 16 mph, with gusts as high as 23 mph.

    High: 80 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 57. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly sunny, with a high near 72. New precipitation amounts between a quarter and half of an inch possible.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 56. East southeast wind 8 to 10 mph.
Thursday
A 20 percent chance of showers between noon and 1pm. Mostly sunny, with a high near 79. South southeast wind 11 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 62. South southeast wind around 11 mph, with gusts as high as 21 mph.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 80. Breezy, with a south wind 13 to 16 mph, with gusts as high as 23 mph.
Friday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 57. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 72. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 66. Breezy.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 65.
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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:
6:06 pm CDT Oct 15, 2025
Forecast Valid:
9pm CDT Oct 15, 2025-6pm CDT Oct 22, 2025
 
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Additional Resources

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Chance of Precipitation