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.

Snow

24°F

-4°C

Humidity 91%
Wind Speed E 14 mph
Barometer 29.86 in
Dewpoint 22°F (-6°C)
Visibility 0.75 mi
Wind Chill12°F (-11°C)
Last update 6 Dec 5:35 pm CST
Extended Forecast for

4 Miles ESE Gilman IA

Winter Weather Advisory December 6, 05:44pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 6, 05:44pm until December 7, 06:00am

    NOW until 6:00am Sun

    Winter Weather Advisory

  • This Afternoon

    High: 25 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 1am. The snow could be heavy at times. Low around 13. Wind chill values as low as 5. East wind 9 to 15 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 13 °F

    Heavy Snow
    then Snow
    Likely

  • Sunday

    Sunday: Mostly sunny, with a temperature falling to around 7 by 5pm. Wind chill values as low as -5. North wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 16 °F⇓

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a temperature rising to around 7 by 3am. Wind chill values as low as -10. North northwest wind around 6 mph becoming calm in the evening.

    Low: 2 °F⇑

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 26. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 22. Blustery.

    Low: 22 °F

    Chance Rain
    and Breezy
    then Mostly
    Cloudy and
    Blustery

Detailed Forecast

This Afternoon
Snow. High near 25. East wind around 9 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow, mainly before 1am. The snow could be heavy at times. Low around 13. Wind chill values as low as 5. East wind 9 to 15 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Mostly sunny, with a temperature falling to around 7 by 5pm. Wind chill values as low as -5. North wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Increasing clouds, with a temperature rising to around 7 by 3am. Wind chill values as low as -10. North northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 26. Light southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 39.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 22. Blustery.
Wednesday
Mostly cloudy, with a high near 29. Blustery.
Wednesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Partly sunny and cold, with a high near 10.
Friday Night
Mostly cloudy, with a low around -6.
Saturday
Mostly sunny and cold, with a high near 7.
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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:
4:52 pm CST Dec 6, 2025
Forecast Valid:
5pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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