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.

Light Snow

25°F

-4°C

Humidity 86%
Wind Speed E 14 mph
Barometer 30.25 in
Dewpoint 21°F (-6°C)
Visibility 7.00 mi
Wind Chill13°F (-11°C)
Last update 28 Nov 11:55 pm CST
Extended Forecast for

4 Miles ESE Gilman IA

Winter Storm Warning November 29, 12:02am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning November 29, 12:02am until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Overnight

    Low: 24 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 31. East southeast wind 11 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 31 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow, mainly before 11pm. Patchy blowing snow between midnight and 3am. Low around 15. Wind chill values as low as zero. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 15 °F

    Blustery.
    Snow then
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Partly sunny, with a high near 20. Wind chill values as low as zero. Blustery, with a northwest wind 7 to 17 mph, with gusts as high as 30 mph.

    High: 20 °F

    Partly Sunny
    and Blustery
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3. West northwest wind around 6 mph becoming calm in the evening.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 17.

    High: 17 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 24. East southeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 31. East southeast wind 11 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow, mainly before 11pm. Patchy blowing snow between midnight and 3am. Low around 15. Wind chill values as low as zero. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday
Partly sunny, with a high near 20. Wind chill values as low as zero. Blustery, with a northwest wind 7 to 17 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 3. West northwest wind around 6 mph becoming calm in the evening.
Monday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 17.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around -1.
Thursday
Mostly sunny, with a high near 17.
Thursday Night
Partly cloudy, with a low around 6.
Friday
Mostly cloudy, 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:
11:16 pm CST Nov 28, 2025
Forecast Valid:
12am CST Nov 29, 2025-6pm CST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation