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

82°F

28°C

Humidity 47%
Wind Speed W 13 mph
Barometer 29.96 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 24 Jun 4:55 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Tonight

    Tonight: Increasing clouds, with a low around 58. West northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 58 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 4am and 5am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 78. East wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 78 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60. East wind 5 to 10 mph becoming light in the evening.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. Breezy.

    High: 82 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 92. Windy.

    High: 92 °F

    Slight Chance
    T-storms and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Windy.

    Low: 73 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. West northwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Partly sunny, with a high near 79. Calm wind.
Thursday Night
A chance of showers between 4am and 5am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 78. East wind 6 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 60. East wind 5 to 10 mph becoming light in the evening.
Saturday
Partly sunny, with a high near 82. Breezy.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 92. Windy.
Sunday Night
Mostly clear, with a low around 73. Windy.
Monday
Sunny, with a high near 93. Windy.
Monday Night
Mostly clear, with a low around 73. Windy.
Tuesday
Sunny, with a high near 93.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 93.
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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:
3:06 pm CDT Jun 24, 2026
Forecast Valid:
5pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
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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