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.

Light Rain

38°F

3°C

Humidity 87%
Wind Speed E 13 G 20 mph
Barometer 29.92 in
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Wind Chill30°F (-1°C)
Last update 2 Apr 12:15 am CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Patchy fog after 4am. Steady temperature around 41. Breezy, with an east wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 4pm. Patchy fog before 11am. High near 68. Windy, with an east southeast wind 16 to 21 mph becoming southwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Breezy, with a west wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.

    Low: 36 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 66. Light east wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 36. South southeast wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. Windy.

    High: 46 °F

    Mostly Cloudy
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Windy.

    Low: 30 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Patchy fog after 4am. Steady temperature around 41. Breezy, with an east wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms, mainly before 4pm. Patchy fog before 11am. High near 68. Windy, with an east southeast wind 16 to 21 mph becoming southwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Mostly cloudy, with a low around 36. Breezy, with a west wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Friday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 66. Light east wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 36. South southeast wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, with a high near 46. Windy.
Saturday Night
Partly cloudy, with a low around 30. Windy.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 34.
Monday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 63. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
10:47 pm CDT Apr 1, 2026
Forecast Valid:
12am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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