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

39°F

4°C

Humidity 62%
Wind Speed W 17 G 23 mph
Barometer 30.14 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 4 Apr 10:35 pm CDT
Extended Forecast for

Grinnell IA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Blustery, with a west northwest wind 13 to 17 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Decreasing
    Clouds and
    Blustery

  • Sunday

    Sunday: Sunny, with a high near 54. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. West wind 8 to 10 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 45. North northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. North northwest wind 7 to 10 mph becoming northeast after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 1am, then a chance of rain showers. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 50%.

    Low: 34 °F

    Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 68. Windy. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 43. Windy.

    Low: 43 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Blustery, with a west northwest wind 13 to 17 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 54. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 31. West wind 8 to 10 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.
Monday
Partly sunny, with a high near 45. North northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 24. North northwest wind 7 to 10 mph becoming northeast after midnight.
Tuesday
A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain and snow showers before 1am, then a chance of rain showers. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 50%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 68. Windy. Chance of precipitation is 40%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43. Windy.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 57.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
Showers likely. Partly sunny, with a high near 60. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell IA
 41.75°N 92.72°W
Last Update:
10:07 pm CDT Apr 4, 2026
Forecast Valid:
10pm CDT Apr 4, 2026-6pm CDT Apr 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation