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

31°F

-1°C

Humidity 70%
Wind Speed N 8 mph
Barometer 30.03 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 28 Feb 2:15 am CST
Extended Forecast for

Grinnell Regional Airport IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. North northeast wind 5 to 7 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 42. East wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16. Wind chill values as low as 5. North northeast wind 7 to 10 mph.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Increasing clouds, with a high near 30. Wind chill values as low as 5. North northeast wind 5 to 10 mph becoming light east in the afternoon.

    High: 30 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 21. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 21 °F

    Slight Chance
    Snow

  • Monday

    Monday: A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. North northeast wind 5 to 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 42. East wind 8 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 16. Wind chill values as low as 5. North northeast wind 7 to 10 mph.
Sunday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 30. Wind chill values as low as 5. North northeast wind 5 to 10 mph becoming light east in the afternoon.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21. Calm wind becoming east southeast around 5 mph after midnight.
Monday
A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
Monday Night
Rain, mainly after midnight. Low around 31. Chance of precipitation is 80%.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of rain after midnight. Partly cloudy, with a low around 32.
Wednesday
A 40 percent chance of rain. Mostly sunny, with a high near 48.
Wednesday Night
A 40 percent chance of rain. Partly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 58.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
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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:
12:26 am CST Feb 28, 2026
Forecast Valid:
2am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
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Additional Resources

Radar & Satellite Image

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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