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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

77°F

25°C

Humidity 47%
Wind Speed N 8 mph
Barometer 30.10 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Aug 5:55 pm CDT
Extended Forecast for

6 Miles N Brooklyn IA

  • Tonight

    Tonight: Mostly clear, with a low around 55. North northwest wind 3 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 78. Light southeast wind.

    High: 78 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. Light east southeast wind.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. North northwest wind 3 to 8 mph.
Sunday
Sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. Light and variable wind.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 78. Light southeast wind.
Monday Night
Mostly cloudy, with a low around 61. Light east southeast wind.
Tuesday
Partly sunny, with a high near 83.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Brooklyn IA
 41.81°N 92.45°W
Last Update:
6:06 pm CDT Aug 22, 2026
Forecast Valid:
6pm CDT Aug 22, 2026-6pm CDT Aug 29, 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