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.

Fog/Mist

40°F

4°C

Humidity 90%
Wind Speed NE 5 mph
Barometer 30.05 in
Dewpoint 38°F (3°C)
Visibility 5.00 mi
Wind Chill36°F (2°C)
Last update 18 Nov 6:15 pm CST
Extended Forecast for

Brooklyn IA

  • Tonight

    Tonight: Cloudy, with a low around 39. North northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 39 °F

    Cloudy

  • Wednesday

    Wednesday: Patchy fog between 8am and 9am. Otherwise, cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Light south southeast wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Light and variable wind becoming west around 6 mph in the morning.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. North wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after noon. Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, with a low around 39. North northeast wind 5 to 7 mph becoming calm after midnight.
Wednesday
Patchy fog between 8am and 9am. Otherwise, cloudy, with a high near 50. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 39. Light south southeast wind.
Thursday
Mostly sunny, with a high near 59. Light and variable wind becoming west around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 34. North wind around 6 mph.
Friday
A 20 percent chance of rain after noon. Partly sunny, with a high near 51.
Friday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 57.
Monday Night
A 30 percent chance of rain. Partly cloudy, with a low around 36.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brooklyn IA
 41.73°N 92.46°W
Last Update:
5:42 pm CST Nov 18, 2025
Forecast Valid:
6pm CST Nov 18, 2025-6pm CST Nov 25, 2025
 
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