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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

73°F

23°C

Humidity 38%
Wind Speed SW 17 G 26 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 4:53 pm EDT
Extended Forecast for

3 Miles NW Friendsville TN

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 5 to 10 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 57. Southwest wind around 5 mph.

    Low: 57 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. West wind around 10 mph becoming north in the morning. Winds could gust as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Northeast wind 5 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 57. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 70. West wind around 10 mph becoming north in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 41. Northeast wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 47.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 54.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Friendsville TN
 35.79°N 84.15°W (Elev. 814 ft)
Last Update:
2:26 pm EDT Mar 20, 2026
Forecast Valid:
5pm EDT Mar 20, 2026-6pm EDT Mar 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