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

91°F

33°C

Humidity 54%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 1 Sep 1:35 pm CDT
Extended Forecast for

Hallettsville TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming east around 5 mph.

    High: 99 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. East southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 110. Southwest wind around 5 mph.

    High: 100 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny and hot, with a high near 99. Light south wind becoming southeast 5 to 10 mph in the morning.

    High: 99 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Light east southeast wind becoming southeast 5 to 10 mph in the afternoon.

    High: 98 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph becoming light east after midnight.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming east around 5 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. East southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 110. Southwest wind around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny and hot, with a high near 99. Light south wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Light east southeast wind becoming southeast 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph becoming light east after midnight.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
Sunday Night
Mostly clear, with a low around 74.
Labor Day
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hallettsville TX
 29.46°N 96.94°W (Elev. 276 ft)
Last Update:
1:46 pm CDT Sep 1, 2026
Forecast Valid:
1pm CDT Sep 1, 2026-6pm CDT Sep 7, 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