Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Rain

62°F

17°C

Humidity 78%
Wind Speed NW 12 G 29 mph
Barometer 29.66 in
Dewpoint 55°F (13°C)
Visibility 1.50 mi
Last update 14 Apr 11:55 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

Severe T-storm Watch until April 15, 02:00am
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until April 15, 02:00am

    NOW until 2:00am Wed

    Severe T-storm Watch

  • Overnight

    Low: 58 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm.  Mostly cloudy, with a high near 73. Light south southwest wind becoming south 5 to 10 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Sunny, with a high near 75. Light west southwest wind increasing to 5 to 9 mph in the morning.

    High: 75 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Calm wind becoming south southeast 5 to 7 mph after midnight.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 81. Windy.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Mostly Sunny
    and Breezy
    then Showers
    Likely and
    Windy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 39. Breezy.  Chance of precipitation is 80%.

    Low: 39 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm.  Partly sunny, with a high near 50. Windy.

    High: 50 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then showers and thunderstorms likely after 5am. Mostly cloudy, with a low around 58. West northwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 73. Light south southwest wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers before 1pm. Sunny, with a high near 75. Light west southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 55. Calm wind becoming south southeast 5 to 7 mph after midnight.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Windy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 39. Breezy. Chance of precipitation is 80%.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 50. Windy.
Saturday Night
Partly cloudy, with a low around 31. Blustery.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 63. Breezy.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 68. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
10:02 pm CDT Apr 14, 2026
12am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
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Additional Resources

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