Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

36°F

2°C

Humidity 50%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 20 Apr 2:15 am CDT
Extended Forecast for

Grinnell Regional Airport IA

Freeze Warning until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until April 20, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Overnight

    Low: 30 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Breezy, with a light east southeast wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 23 mph.

    High: 63 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Increasing clouds, with a low around 51. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 74. Windy.

    High: 74 °F

    Windy. Partly
    Sunny then
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 30. Calm wind.
Monday
Sunny, with a high near 63. Breezy, with a light east southeast wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
Increasing clouds, with a low around 51. South wind around 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 79. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 52. Calm wind.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 74. Windy.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 48. Windy. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
1:27 am CDT Apr 20, 2026
2am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database