National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Bering Sea Storms in Alaska; Heavy Rain in Hawaii; Severe Thunderstorms in the Upper Mississippi Valley

A series of Bering Sea storms continues to impact western Alaska this week, with elevated water levels, isolated coastal flooding, high surf, erosion, and strong winds. Tropical moisture will bring the potential for heavy rain and thunderstorms to Hawaii through early Thursday. A few severe thunderstorms are possible over the Upper Mississippi Valley today with some tornado potential. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

70°F

21°C

Humidity 51%
Wind Speed Calm
Barometer 30.30 in (1025.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 28 Oct 1:53 pm EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 74. North wind around 5 mph.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming north around 5 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. East wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 75. East wind around 5 mph becoming calm.

    High: 75 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 8am. Cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 74. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 75. Calm wind becoming north around 5 mph.
Thursday Night
Mostly clear, with a low around 45. East wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 54. Northeast wind around 5 mph.
Saturday
Mostly cloudy, with a high near 75. East wind around 5 mph becoming calm.
Saturday Night
A 40 percent chance of showers after 2am. Cloudy, with a low around 55.
Sunday
Showers likely, mainly after 8am. Cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers. Cloudy, with a low around 55.
Monday
A 20 percent chance of showers. Cloudy, with a high near 72.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
Last Update:
12:56 pm EDT Oct 28, 2026
Forecast Valid:
2pm EDT Oct 28, 2026-6pm EST Nov 3, 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