Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

75°F

24°C

Humidity 19%
Wind Speed N 15 G 18 mph
Barometer 29.91 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Mar 1:55 pm CDT
Extended Forecast for

Grinnell IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. North northwest wind around 9 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind becoming southeast around 5 mph after midnight.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. South southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 50. South wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 60. Windy, with a north wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 60 °F

    Partly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Blustery.

    Low: 30 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. North northwest wind around 9 mph.
Tonight
Mostly clear, with a low around 45. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Sunny, with a high near 83. South southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 50. South wind 7 to 13 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 60. Windy, with a north wind 14 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 30. Blustery.
Monday
Sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 67. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell IA
 41.75°N 92.69°W
1:26 pm CDT Mar 20, 2026
2pm CDT Mar 20, 2026-6pm CDT Mar 26, 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