Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Breezy

77°F

25°C

Humidity 54%
Wind Speed S 22 G 28 mph
Barometer 29.65 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Apr 12:35 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

Tornado Watch until April 17, 08:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch until April 17, 08:00pm

    NOW until 8:00pm Fri

    Tornado Watch

  • This Afternoon

    High: 79 °F

    Severe
    Thunderstorms
    and Windy

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe.  Cloudy, then gradually becoming partly cloudy, with a low around 35. Windy, with a north northwest wind 16 to 21 mph, with gusts as high as 30 mph.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Severe
    Thunderstorms
    and Windy
    then Mostly
    Cloudy and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 51. Windy, with a west northwest wind 16 to 21 mph, with gusts as high as 28 mph.

    High: 51 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West northwest wind 6 to 11 mph becoming light west. Winds could gust as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Breezy.

    High: 65 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and thunderstorms, mainly before 5pm. Some of the storms could be severe and produce heavy rainfall. High near 79. Windy, with a south southwest wind around 23 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 35. Windy, with a north northwest wind 16 to 21 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 51. Windy, with a west northwest wind 16 to 21 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 31. West northwest wind 6 to 11 mph becoming light west. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 56. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 65. Breezy.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 76. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
12:12 pm CDT Apr 17, 2026
12pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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Additional Resources

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