Severe Thunderstorms and Flash Flooding in the Central U.S.; A Dangerous Heatwave Coming to the West

A slow moving cold front will bring multiple rounds of widespread heavy rain, localized flash flooding, and severe thunderstorms from the central Plains into the Great Lakes through Saturday. A dangerous heatwave with record breaking and triple digit temperatures is expected this weekend into next week over the Northwest U.S. Excessive Heat Watches and Warnings have been issued. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

75°F

24°C

Humidity 69%
Wind Speed Calm
Barometer 30.24 in (1023.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 25 Jun 9:53 am EDT
Extended Forecast for

Jefferson City TN

  • Today

    Today: Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph.

    Mostly Sunny

    High: 87 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Calm wind.

    Partly Cloudy

    Low: 64 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    Mostly Sunny

    High: 89 °F

  • Saturday
    Night

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

    Mostly Clear

    Low: 68 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 89 °F

  • Sunday
    Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 69. Calm wind.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 69 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 91. Calm wind becoming northeast around 5 mph in the afternoon.

    Sunny then
    Slight Chance
    T-storms

    High: 91 °F

  • Monday
    Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 68.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 68 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 91.

    Mostly Sunny
    then Chance
    T-storms

    High: 91 °F

Detailed Forecast

Today
Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph.
Tonight
Partly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Jefferson City TN
 36.13°N 83.48°W (Elev. 1099 ft)
6:52 am EDT Jun 25, 2021
10am EDT Jun 25, 2021-6pm EDT Jul 1, 2021
 
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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