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

17°F

-8°C

Humidity 85%
Wind Speed Calm
Barometer 30.43 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 28 Nov 1:35 am CST
Extended Forecast for

9 Miles NE Grinnell IA

Winter Storm Warning November 28, 06:00pm until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: Mostly clear, with a low around 15. Northwest wind 3 to 6 mph.

    Low: 15 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 30. Calm wind.

    High: 30 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Snow, mainly after 8pm. The snow could be heavy at times. Low around 23. Light east southeast wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 23 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 30. East southeast wind around 11 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 30 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 14 °F

    Snow Likely
    then Slight
    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 16.

    High: 16 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 15. Northwest wind 3 to 6 mph.
Friday
A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 30. Calm wind.
Friday Night
Snow, mainly after 8pm. The snow could be heavy at times. Low around 23. Light east southeast wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 30. East southeast wind around 11 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 16.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Mostly cloudy, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 5.
Thursday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NE Grinnell IA
 41.84°N 92.6°W
Last Update:
10:11 pm CST Nov 27, 2025
Forecast Valid:
1am CST Nov 28, 2025-6pm CST Dec 4, 2025
 
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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