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

Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

86°F

30°C

Humidity 57%
Wind Speed SW 9 mph
Barometer 30.01 in (1015.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Jun 3:53 pm EDT
Extended Forecast for

3 Miles NW Slickrock Wilderness NC

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Partly sunny, with a high near 77. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 62. South southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    T-storms
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, partly sunny, with a high near 76. Southwest wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 62. South southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 74. West southwest wind around 6 mph. Chance of precipitation is 80%.

    High: 74 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Chance
    T-storms then
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Partly sunny, with a high near 77. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 62. South southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 50 percent chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, partly sunny, with a high near 76. Southwest wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 62. South southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 74. West southwest wind around 6 mph. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 77. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 77. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Juneteenth
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Slickrock Wilderness NC
 35.4°N 84.03°W (Elev. 2900 ft)
Last Update:
2:48 pm EDT Jun 13, 2025
Forecast Valid:
4pm EDT Jun 13, 2025-6pm EDT Jun 20, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation