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

55°F

13°C

Humidity 44%
Wind Speed S 15 mph
Barometer 29.70 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 8 Mar 9:35 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Tonight

    Tonight: Clear, with a low around 43. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 69. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Light south southeast wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 66. South wind 6 to 10 mph becoming northeast in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Sunny then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 35. Breezy, with a north northeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A chance of rain and snow before 1pm. Mostly cloudy, with a high near 45. Windy. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Chance
    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. Blustery.

    Low: 28 °F

    Mostly Clear
    and Blustery
    then Clear

  • Thursday

    Thursday: Partly sunny, with a high near 54. Windy.

    High: 54 °F

    Partly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Chance Rain
    and Breezy

Detailed Forecast

Tonight
Clear, with a low around 43. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 69. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 44. Light south southeast wind.
Tuesday
A 30 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 66. South wind 6 to 10 mph becoming northeast in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 35. Breezy, with a north northeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain and snow before 1pm. Mostly cloudy, with a high near 45. Windy. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly clear, with a low around 28. Blustery.
Thursday
Partly sunny, with a high near 54. Windy.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 37. Breezy.
Friday
Mostly cloudy, with a high near 49. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Sunday
A chance of rain and snow. Cloudy, with a high near 47. Breezy. Chance of precipitation is 50%.
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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:
6:11 pm CDT Mar 8, 2026
Forecast Valid:
9pm CDT Mar 8, 2026-6pm CDT Mar 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation