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

Robert R Wells Jr Airport (K66R)

Lat: 29.64°NLon: 96.52°WElev: 242ft.

Partly Cloudy

98°F

37°C

Humidity 38%
Wind Speed SE 7 mph
Barometer 29.85 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 2 Sep 5:55 pm CDT
Extended Forecast for

Hallettsville TX

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 108. South southwest wind 5 to 10 mph becoming southeast in the afternoon.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. Southeast wind 10 to 15 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 97 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph becoming light and variable in the evening.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 98 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 108. South southwest wind 5 to 10 mph becoming southeast in the afternoon.
Thursday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. Southeast wind 10 to 15 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph becoming light and variable in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Labor Day
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 73.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hallettsville TX
 29.44°N 96.91°W (Elev. 243 ft)
Last Update:
5:32 pm CDT Sep 2, 2026
Forecast Valid:
6pm CDT Sep 2, 2026-6pm CDT Sep 9, 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