Heavy Rainfall for Portions of the West and Southern Plains; Dangerous Heat for the Northwest

A front will bring chances for showers and thunderstorms over the Central Rockies and Southern Plains. Heavy rains are also possible in southern Arizona. A dangerous heat wave continues across the Pacific Northwest. Hot, dry conditions and lightning may cause new fire starts across the Cascades. Conversely, a cold front will bring unseasonably cool temperatures to much of the lower 48. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

70°F

21°C

Humidity 73%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Aug 2:10 am EDT
Extended Forecast for

3 Miles SW Mascot TN

  • Overnight

    Overnight: Mostly clear, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. North wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming northeast around 5 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 59. Northwest wind around 5 mph.
Monday
Sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 77. Calm wind becoming northeast around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 55. Calm wind.
Thursday
Partly sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Mascot TN
 36.04°N 83.82°W (Elev. 1001 ft)
1:31 am EDT Aug 25, 2025
2am EDT Aug 25, 2025-6pm EDT Aug 31, 2025
 
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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