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.

Fair

49°F

9°C

Humidity 51%
Wind Speed SW 9 mph
Barometer 30.22 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 5 Apr 8:35 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Tonight

    Tonight: Isolated showers and thunderstorms between 10pm and 11pm. Mostly clear, with a low around 33. West southwest wind 8 to 10 mph becoming north northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Isolated
    T-storms then
    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 46. North northwest wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 46 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. North northwest wind 5 to 9 mph becoming east northeast after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 40. East southeast wind 5 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 10pm, then a chance of rain showers. Mostly cloudy, with a low around 34. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Chance
    Rain/Snow
    then Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68. Windy. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 45. Breezy. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers and thunderstorms between 10pm and 11pm. Mostly clear, with a low around 33. West southwest wind 8 to 10 mph becoming north northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 46. North northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 25. North northwest wind 5 to 9 mph becoming east northeast after midnight.
Tuesday
A slight chance of snow showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 40. East southeast wind 5 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of rain and snow showers before 10pm, then a chance of rain showers. Mostly cloudy, with a low around 34. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68. Windy. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 45. Breezy. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 62.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 59.
Friday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 72. Breezy. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
6:21 pm CDT Apr 5, 2026
Forecast Valid:
8pm CDT Apr 5, 2026-6pm CDT Apr 12, 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