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

Middlesboro, Middlesboro-Bell County Airport (K1A6)

Lat: 36.61°NLon: 83.74°WElev: 1155ft.

Fair

69°F

21°C

Humidity 43%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 7:55 pm EDT
Extended Forecast for

Speedwell TN

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 4pm and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 65. North wind around 10 mph, with gusts as high as 25 mph.

    High: 65 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. North wind around 5 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Southwest wind around 5 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers and thunderstorms between 4pm and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 55. Calm wind.
Sunday
Mostly sunny, with a high near 82. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 65. North wind around 10 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 37. North wind around 5 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 51.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Speedwell TN
 36.49°N 83.83°W (Elev. 1299 ft)
Last Update:
7:06 pm EDT Mar 20, 2026
Forecast Valid:
8pm 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