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.

Overcast

50°F

10°C

Humidity 76%
Wind Speed E 18 G 24 mph
Barometer 29.86 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 3 Apr 5:55 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 1am. Low around 36. Breezy, with an east wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers then
    Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 46. Windy, with a west wind 18 to 23 mph, with gusts as high as 32 mph.

    High: 46 °F

    Windy. Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55. West northwest wind 10 to 15 mph, with gusts as high as 21 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. West northwest wind 5 to 8 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 1am. Low around 36. Breezy, with an east wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 46. Windy, with a west wind 18 to 23 mph, with gusts as high as 32 mph.
Saturday Night
Partly cloudy, with a low around 31. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 55. West northwest wind 10 to 15 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 32. West northwest wind 5 to 8 mph.
Monday
Partly sunny, with a high near 48.
Monday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 25.
Tuesday
A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 37. Breezy.
Wednesday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 68. Windy.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44. Windy.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 62. Breezy.
Thursday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
2:21 pm CDT Apr 3, 2026
Forecast Valid:
6pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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