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.

Mostly Cloudy

38°F

3°C

Humidity 78%
Wind Speed SW 13 mph
Barometer 29.41 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 9 Dec 7:55 pm CST
Extended Forecast for

4 Miles ESE Gilman IA

Wind Advisory December 10, 12:00am until December 10, 09:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A 20 percent chance of rain before 9pm. Mostly cloudy, with a low around 25. Windy, with a southwest wind 16 to 21 mph becoming west northwest 28 to 33 mph after midnight. Winds could gust as high as 55 mph.

    Low: 25 °F

    Windy. Slight
    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a temperature falling to around 23 by 4pm. Wind chill values as low as 10. Windy, with a northwest wind 26 to 31 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 28 °F⇓

    Cloudy and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of snow after noon. Mostly cloudy, with a high near 25. Calm wind becoming south southeast around 6 mph in the afternoon. New snow accumulation of less than one inch possible.

    High: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight. Cloudy, with a low around 17. East southeast wind around 7 mph becoming north after midnight. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow. Mostly cloudy, with a high near 23.

    High: 23 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy and cold, with a high near 8.

    High: 8 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -12.

    Low: -12 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 9pm. Mostly cloudy, with a low around 25. Windy, with a southwest wind 16 to 21 mph becoming west northwest 28 to 33 mph after midnight. Winds could gust as high as 55 mph.
Wednesday
Cloudy, with a temperature falling to around 23 by 4pm. Wind chill values as low as 10. Windy, with a northwest wind 26 to 31 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 55 mph.
Wednesday Night
Mostly cloudy, with a low around 11. Northwest wind 5 to 10 mph becoming light after midnight.
Thursday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 25. Calm wind becoming south southeast around 6 mph in the afternoon. New snow accumulation of less than one inch possible.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Cloudy, with a low around 17. East southeast wind around 7 mph becoming north after midnight. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow. Mostly cloudy, with a high near 23.
Friday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 4.
Saturday
A 50 percent chance of snow. Mostly cloudy and cold, with a high near 8.
Saturday Night
Partly cloudy, with a low around -12.
Sunday
Sunny and cold, with a high near 6.
Sunday Night
Partly cloudy, with a low around -6.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 28.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Gilman IA
 41.86°N 92.72°W
Last Update:
6:46 pm CST Dec 9, 2025
Forecast Valid:
7pm CST Dec 9, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
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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