Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

69°F

21°C

Humidity 70%
Wind Speed N 3 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Nov 2:53 pm EST
Extended Forecast for

3 Miles ENE Slickrock Wilderness NC

  • This Afternoon

    This Afternoon: A 40 percent chance of showers, mainly after 4pm.  Mostly cloudy, with a high near 68. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 10pm, then showers likely.  Patchy dense fog after 10pm. Low around 54. Calm wind becoming southwest around 5 mph after midnight.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers and
    Patchy Dense
    Fog

  • Friday

    Friday: A slight chance of showers before 11am, then a chance of showers after 2pm.  Patchy dense fog before 10am.  Otherwise, mostly cloudy, with a high near 68. South wind 5 to 7 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers and
    Patchy Dense
    Fog

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am.  Patchy fog between 10pm and 2am. Low around 54. Southwest wind around 9 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers
    Likely and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 63. Northwest wind around 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 68. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers and thunderstorms before 10pm, then showers likely. Patchy dense fog after 10pm. Low around 54. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 11am, then a chance of showers after 2pm. Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 68. South wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers and thunderstorms likely before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Patchy fog between 10pm and 2am. Low around 54. Southwest wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers and thunderstorms. Patchy fog before 8am. Otherwise, partly sunny, with a high near 63. Northwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 62.
Monday Night
A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 45.
Tuesday
Showers. High near 58. Chance of precipitation is 80%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 31.
Thanksgiving Day
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Slickrock Wilderness NC
 35.39°N 83.92°W (Elev. 3484 ft)
12:18 pm EST Nov 20, 2025
3pm EST Nov 20, 2025-6pm EST Nov 27, 2025
 
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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