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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

38°F

3°C

Humidity 70%
Wind Speed S 9 mph
Barometer 30.21 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Mar 10:35 am CDT
Extended Forecast for

Grinnell Regional Airport IA

High Wind Warning March 12, 10:00pm until March 13, 10:00am
Click here for hazard details and duration
High Wind Warning

  • Today

    Today: Mostly cloudy, with a high near 54. Windy, with a south southwest wind 13 to 18 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 54 °F

    Mostly Cloudy
    and Windy

  • Tonight

    Tonight: A 50 percent chance of rain, mainly between 8pm and 1am. Mostly cloudy, with a low around 33. Windy, with a south southwest wind 26 to 31 mph becoming west after midnight. Winds could gust as high as 48 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 46. Windy, with a west northwest wind 23 to 30 mph, with gusts as high as 44 mph.

    High: 46 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 30. North northwest wind around 6 mph becoming calm in the evening. Little or no snow accumulation expected.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 45. East southeast wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 10pm, then a slight chance of rain between 10pm and 1am, then rain likely, possibly mixed with snow after 1am. Some thunder is also possible. Cloudy, with a low around 34. Breezy. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Sunday

    Sunday: Rain before 1pm, then snow, possibly mixed with rain. High near 40. Windy. Chance of precipitation is 90%.

    High: 40 °F

    Windy. Rain
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 8. Windy.

    Low: 8 °F

    Chance Snow
    and Windy

  • Monday

    Monday: Sunny, with a high near 22. Windy.

    High: 22 °F

    Sunny and
    Windy

Detailed Forecast

Today
Mostly cloudy, with a high near 54. Windy, with a south southwest wind 13 to 18 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.
Tonight
A 50 percent chance of rain, mainly between 8pm and 1am. Mostly cloudy, with a low around 33. Windy, with a south southwest wind 26 to 31 mph becoming west after midnight. Winds could gust as high as 48 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 46. Windy, with a west northwest wind 23 to 30 mph, with gusts as high as 44 mph.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 30. North northwest wind around 6 mph becoming calm in the evening. Little or no snow accumulation expected.
Saturday
Mostly cloudy, with a high near 45. East southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of rain and snow before 10pm, then a slight chance of rain between 10pm and 1am, then rain likely, possibly mixed with snow after 1am. Some thunder is also possible. Cloudy, with a low around 34. Breezy. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain before 1pm, then snow, possibly mixed with rain. High near 40. Windy. Chance of precipitation is 90%.
Sunday Night
A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 8. Windy.
Monday
Sunny, with a high near 22. Windy.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Mostly sunny, with a high near 43.
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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:
10:07 am CDT Mar 12, 2026
Forecast Valid:
10am CDT Mar 12, 2026-6pm CDT Mar 18, 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