Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. through Thursday, focused from the central High Plains to the Mid-Mississippi Valley. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

66°F

19°C

Humidity 78%
Wind Speed Calm
Barometer 30.06 in (1016.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Jun 1:53 am EDT
Extended Forecast for

4 Miles NNW Tallassee TN

  • Overnight

    Overnight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 86. Calm wind becoming west around 5 mph.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers.  Partly cloudy, with a low around 72. South wind around 5 mph.  Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am.  Mostly sunny, with a high near 87. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72. West wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 2pm.  Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 63. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming west around 5 mph.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 87. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 89.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72.
Monday
Sunny and hot, with a high near 93.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Tuesday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Tallassee TN
 35.6°N 83.95°W (Elev. 1581 ft)
1:06 am EDT Jun 25, 2026
2am EDT Jun 25, 2026-6pm EDT Jul 1, 2026
 
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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