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, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

66°F

19°C

Humidity 68%
Wind Speed N 8 mph
Barometer 30.01 in (1015.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Aug 4:53 am EDT
Extended Forecast for

5 Miles SSW Knoxville TN

  • Today

    Today: Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind becoming north around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. North wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Northeast wind around 5 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 79. Calm wind becoming west around 5 mph.

    High: 79 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 56 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 77. Northeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm.
Thursday
Mostly cloudy, with a high near 79. Calm wind becoming west around 5 mph.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Knoxville TN
 35.92°N 84°W (Elev. 889 ft)
1:31 am EDT Aug 25, 2025
5am 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