Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 22 Jun 10:55 pm EDT
Extended Forecast for

3 Miles W Mascot TN

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then showers likely.  Low around 67. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind 5 to 10 mph.

    High: 81 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. North wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 84. Calm wind.

    High: 84 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 71. Chance of precipitation is 50%.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 67. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 84. Calm wind.
Wednesday Night
Mostly clear, with a low around 65. Calm wind.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 50%.
Saturday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
Sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Mascot TN
 36.06°N 83.82°W (Elev. 1181 ft)
7:06 pm EDT Jun 22, 2026
11pm EDT Jun 22, 2026-6pm EDT Jun 29, 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