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.

Mostly Cloudy

99°F

37°C

Humidity 37%
Wind Speed W 6 mph
Barometer 29.92 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 2 Sep 2:15 pm CDT
Extended Forecast for

3 Miles SSW Hallettsville TX

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 100. Heat index values as high as 108. South wind around 5 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. 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 and thunderstorms before 1am, then 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. 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

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 100. Heat index values as high as 108. South wind around 5 mph.
Tonight
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. 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 and thunderstorms before 1am, then 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. 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 73.
Labor Day
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 97.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 73.
Tuesday
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:
3 Miles SSW Hallettsville TX
 29.42°N 96.96°W (Elev. 256 ft)
Last Update:
1:36 pm CDT Sep 2, 2026
Forecast Valid:
2pm CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation