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

Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

67°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 29.97 in (1013.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 21 Jun 1:53 am EDT
Extended Forecast for

4 Miles SSW Townsend TN

  • Overnight

    Overnight: Clear, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. South wind 5 to 15 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 77. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 77 °F

    Breezy.
    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 65 °F

    T-storms then
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. Northwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 62. South wind around 5 mph.
Sunday
Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. South wind 5 to 15 mph.
Monday
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 77. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. Northwest wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Townsend TN
 35.63°N 83.78°W (Elev. 2028 ft)
Last Update:
2:26 am EDT Jun 21, 2026
Forecast Valid:
2am EDT Jun 21, 2026-6pm EDT Jun 27, 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