Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Vernon, Wilbarger County Airport (KF05)

Lat: 34.23° N Lon: 99.28° W Elev: 1266 ft.

Fair

90°F

32°C

Humidity 38%
Wind Speed S 9 mph
Barometer 30.05 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 9 Sep 12:55 am CDT
Detailed forecast for

Knox County

Tonight
Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
Wednesday
Sunny, hot with highs around 102. South winds 5 to 10 mph.
Wednesday Night
Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
Thursday
Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 90s. Southwest winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent.
Thursday Night
Partly cloudy in the evening, then clearing. Lows in the mid 70s. Southeast winds 5 to 10 mph.
Friday
Sunny, hot with highs around 100.
Friday Night
Clear. Lows in the upper 70s.
Saturday
Sunny, hot with highs 100 to 105.
Saturday Night
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent.
Sunday
Sunny, hot with highs around 100.
Sunday Night
Mostly clear. Lows in the mid 70s.
Monday
Sunny. Highs in the upper 90s.
Monday Night
Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent.
Tuesday
Sunny. A slight chance of showers in the morning. Highs in the mid 90s. Chance of rain 20 percent.



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743 PM CDT Tue Sep 8 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database