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

Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Current conditions at

Vernon, Wilbarger County Airport (KF05)

Lat: 34.23°NLon: 99.28°WElev: 1266ft.

Fair

82°F

28°C

Humidity 54%
Wind Speed S 5 mph
Barometer 29.99 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 8 Sep 5:35 am CDT
Extended Forecast for

Knox City TX

  • Today

    Today: Sunny and hot, with a high near 101. South southeast wind 7 to 10 mph.

    High: 101 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. South southeast wind around 10 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. South wind 7 to 10 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South southeast wind around 9 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 99. South southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 99 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 101. South southeast wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 78. South southeast wind around 10 mph.
Wednesday
Sunny and hot, with a high near 101. South wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77. South southeast wind around 9 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 99. South southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
Sunny and hot, with a high near 101.
Friday Night
Clear, with a low around 77.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
A 20 percent chance of showers. Mostly clear, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knox City TX
 33.42°N 99.81°W
Last Update:
2:17 am CDT Sep 8, 2026
Forecast Valid:
5am CDT Sep 8, 2026-6pm CDT Sep 14, 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