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.

Partly Cloudy

27°F

-3°C

Humidity 62%
Wind Speed Calm
Barometer 30.43 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 28 Nov 11:55 am CST
Extended Forecast for

4 Miles E Brooklyn IA

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

  • This Afternoon

    This Afternoon: A 30 percent chance of snow after 5pm. Mostly cloudy, with a high near 31. Light and variable wind. Little or no snow accumulation expected.

    High: 31 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 8pm. The snow could be heavy at times. Low around 23. Light east southeast wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 21 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 32. East southeast wind 10 to 14 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 32 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 15. Wind chill values as low as zero. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 15 °F

    Snow then
    Slight Chance
    Snow and
    Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 20. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    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

  • Tuesday

    Tuesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow after 5pm. Mostly cloudy, with a high near 31. Light and variable wind. Little or no snow accumulation expected.
Tonight
Snow, mainly after 8pm. The snow could be heavy at times. Low around 23. Light east southeast wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 21 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 32. East southeast wind 10 to 14 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 15. Wind chill values as low as zero. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Mostly sunny, with a high near 20. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.
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 24.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 5.
Thursday
Mostly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Brooklyn IA
 41.72°N 92.37°W
Last Update:
6:37 am CST Nov 28, 2025
Forecast Valid:
12pm CST Nov 28, 2025-6pm CST Dec 4, 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