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 and Breezy

76°F

24°C

Humidity 41%
Wind Speed S 22 G 28 mph
Barometer 30.08 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 May 10:55 am CDT
Extended Forecast for

Brooklyn IA

  • Memorial Day

    Memorial Day: A chance of sprinkles before noon. Sunny, with a high near 85. Breezy, with a south wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 85 °F

    Chance
    Sprinkles and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 57. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. South wind 3 to 6 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Memorial Day
A chance of sprinkles before noon. Sunny, with a high near 85. Breezy, with a south wind 14 to 16 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 57. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 87. South wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 58. Light and variable wind.
Wednesday
Sunny, with a high near 87. Calm wind becoming east southeast around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brooklyn IA
 41.73°N 92.46°W
Last Update:
8:26 am CDT May 25, 2026
Forecast Valid:
11am CDT May 25, 2026-6pm CDT May 31, 2026
 
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