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

Hazardous Weather Conditions

Current conditions at

Brenham, Brenham Municipal Airport (K11R)

Lat: 30.22°NLon: 96.37°WElev: 308ft.

Fair

100°F

38°C

Humidity 31%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 22 Aug 2:15 pm CDT
Extended Forecast for

6 Miles ENE New Ulm TX

Heat Advisory August 22, 02:26pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 02:26pm until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 103 °F

    Hot

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny and hot, with a high near 103. Heat index values as high as 106. Southwest wind 5 to 10 mph becoming southeast in the afternoon.

    High: 103 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 74. Southwest wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny and hot, with a high near 101. Southwest wind 5 to 10 mph.

    High: 101 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 103. Heat index values as high as 108. Southeast wind around 5 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 75. South wind 5 to 10 mph.
Sunday
Patchy fog before 8am. Otherwise, sunny and hot, with a high near 103. Heat index values as high as 106. Southwest wind 5 to 10 mph becoming southeast in the afternoon.
Sunday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 74. Southwest wind 5 to 10 mph.
Monday
Patchy fog before 8am. Otherwise, sunny and hot, with a high near 101. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny and hot, with a high near 101.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 102.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Mostly sunny and hot, with a high near 102.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE New Ulm TX
 29.92°N 96.39°W (Elev. 315 ft)
Last Update:
1:21 pm CDT Aug 22, 2026
Forecast Valid:
2pm CDT Aug 22, 2026-6pm CDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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