National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

21°F

-6°C

Humidity 81%
Wind Speed NW 9 mph
Barometer 30.45 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 11 Jan 8:55 am CST
Extended Forecast for

Brooklyn IA

  • Today

    Today: Mostly sunny, with a high near 32. Northwest wind 8 to 10 mph becoming southwest in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 44. West wind around 7 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. West wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. Blustery.

    Low: 26 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. Blustery.

    High: 30 °F

    Partly Sunny
    and Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 32. Northwest wind 8 to 10 mph becoming southwest in the afternoon.
Tonight
Increasing clouds, with a low around 27. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 44. West wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 33. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 51. West wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 26. Blustery.
Wednesday
Partly sunny, with a high near 30. Blustery.
Wednesday Night
Mostly clear, with a low around 17.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 32.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 25.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 33. Breezy.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Partly sunny, with a high near 19.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brooklyn IA
 41.72°N 92.43°W
Last Update:
6:27 am CST Jan 11, 2026
Forecast Valid:
9am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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