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

Heavy Rain From the Plains to the Northeast; Heat Wave Begins

Severe thunderstorms and heavy rainfall are likely across parts of the Northeast, portions of the northern and central Plains, and the Ohio Valley. Portions of northeast Missouri and central Illinois could experience locally significant flash flooding. Dangerously hot conditions are expected in the Central Plains, Lower and Middle Mississippi Valley, and Southeast. Read More >

Current conditions at

Robert R Wells Jr Airport (K66R)

Lat: 29.64°NLon: 96.52°WElev: 242ft.

Fair

90°F

32°C

Humidity 59%
Wind Speed S 8 G 17 mph
Barometer 30.05 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 20 Jul 3:15 pm CDT
Extended Forecast for

Hallettsville TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 93. Heat index values as high as 103. South wind around 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 96. Heat index values as high as 104. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 96. Light south southeast wind increasing to 5 to 10 mph in the morning.

    High: 96 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 97. Light south wind becoming southeast 5 to 10 mph in the morning.

    High: 97 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph becoming light south southwest after midnight.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 93. Heat index values as high as 103. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 96. Heat index values as high as 104. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 75. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 96. Light south southeast wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 97. Light south wind becoming southeast 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph becoming light south southwest after midnight.
Thursday
Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Friday Night
Mostly cloudy, with a low around 76.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hallettsville TX
 29.44°N 96.96°W (Elev. 256 ft)
Last Update:
3:00 pm CDT Jul 20, 2025
Forecast Valid:
3pm CDT Jul 20, 2025-6pm CDT Jul 26, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation