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

64°F

18°C

Humidity 80%
Wind Speed SE 6 mph
Barometer 30.15 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 24 Jul 12:15 am CDT
Extended Forecast for

Brooklyn IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. South southeast wind 3 to 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers before 11am, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 77. Light south southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62. South southeast wind 5 to 9 mph becoming light south after midnight.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 89. Light and variable wind.

    High: 89 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. South southeast wind 3 to 5 mph.
Friday
A chance of showers before 11am, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 77. Light south southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 62. South southeast wind 5 to 9 mph becoming light south after midnight.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 89. Light and variable wind.
Saturday Night
Mostly clear, with a low around 69. Calm wind.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brooklyn IA
 41.73°N 92.46°W
Last Update:
5:52 pm CDT Jul 23, 2026
Forecast Valid:
12am CDT Jul 24, 2026-6pm CDT Jul 30, 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