Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Brenham, Brenham Municipal Airport (K11R)

Lat: 30.22°NLon: 96.37°WElev: 308ft.

Fog/Mist

68°F

20°C

Humidity 98%
Wind Speed S 3 mph
Barometer 29.84 in
Dewpoint 67°F (19°C)
Visibility 5.00 mi
Last update 18 Apr 7:15 am CDT
Extended Forecast for

Brenham TX

  • Today

    Today: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Cloudy, with a temperature rising to near 75 by 10am, then falling to around 64 during the remainder of the day. South wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a slight chance of showers.  Low around 53. North wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm.  Mostly cloudy, with a high near 70. East wind 5 to 10 mph.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a temperature rising to near 75 by 10am, then falling to around 64 during the remainder of the day. South wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 4am, then a slight chance of showers. Low around 53. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Mostly sunny, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 54. Northeast wind around 5 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 70. East wind 5 to 10 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
Mostly cloudy, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Brenham TX
 30.15°N 96.37°W (Elev. 299 ft)
7:20 am CDT Apr 18, 2026
7am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
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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