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Webinar on Heavy Rainfall and Flooding Threat for This Week - September 29, 2026

Watch our September 29, 2026, webinar regarding the heavy rainfall and flooding threat for South-Central Texas this week. A new webinar will be available around midday on Wednesday. Read More >

Current conditions at

Robert R Wells Jr Airport (K66R)

Lat: 29.64°NLon: 96.52°WElev: 242ft.

Mostly Cloudy

75°F

24°C

Humidity 94%
Wind Speed E 3 mph
Barometer 29.84 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 30 Sep 4:35 am CDT
Extended Forecast for

Hallettsville TX

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind around 10 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 7am and 10am. Partly sunny, with a high near 97. Heat index values as high as 109. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 97 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 94. Heat index values as high as 106. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 94 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 72. South southeast wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 72 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 89. North northeast wind around 5 mph. Chance of precipitation is 90%.

    High: 89 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. North northeast wind around 10 mph.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind around 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 7am and 10am. Partly sunny, with a high near 97. Heat index values as high as 109. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 94. Heat index values as high as 106. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 72. South southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. High near 89. North northeast wind around 5 mph. Chance of precipitation is 90%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 50%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. North northeast wind around 10 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 68.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hallettsville TX
 29.44°N 96.91°W (Elev. 243 ft)
Last Update:
4:44 am CDT Sep 30, 2026
Forecast Valid:
4am CDT Sep 30, 2026-6pm CDT Oct 6, 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