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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

56°F

13°C

Humidity 50%
Wind Speed S 16 mph
Barometer 29.90 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 21 Apr 5:35 am CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Today

    Today: Sunny, with a high near 79. Breezy, with a west wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. South wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Windy, with a south wind 16 to 23 mph, with gusts as high as 31 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Windy. Partly
    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 50. Breezy. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Showers and
    Breezy

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Breezy, with a west wind 9 to 16 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 53. Light and variable wind.
Wednesday
Sunny, with a high near 79. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 58. South wind 11 to 14 mph, with gusts as high as 21 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Windy, with a south wind 16 to 23 mph, with gusts as high as 31 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 50. Breezy. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 62.
Sunday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
3:07 am CDT Apr 21, 2026
Forecast Valid:
5am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation