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

Southwestern Storm to Bring Rain and Thunderstorm Potential, and Snow in the Mountains

A storm in the Southwest will produce rain, locally heavy with the potential for flash flooding this weekend. Mountain snow will spread across the Southwest, Great Basin, and into the South/Central Rockies. The whole storm shifts into the Plains later in the weekend while a new system brings rain and mountain snow from the Northwest to the Northern Rockies. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

-1°C

30°F

Humidity 66%
Wind Speed N 7 km/h
Barometer 1032.4 mb (30.47 in)
Dewpoint -7°C (20°F)
Visibility 16 km
Wind Chill-4°C (25°F)
Last update 21 Feb 11:53 pm EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Overnight

    Overnight: Clear, with a low around -6. Calm wind.

    Clear

    Low: -6 °C

  • Saturday

    Saturday: Sunny, with a high near 12. Calm wind.

    Sunny

    High: 12 °C

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around -2. Calm wind.

    Mostly Clear

    Low: -2 °C

  • Sunday

    Sunday: Increasing clouds, with a high near 13. Calm wind becoming southwest 5 to 10 km/h in the afternoon.

    Increasing
    Clouds

    High: 13 °C

  • Sunday
    Night

    Sunday Night: Showers likely, mainly after 2am. Cloudy, with a low around 5. West wind 5 to 10 km/h becoming south in the evening. Chance of precipitation is 70%.

    Chance
    Showers then
    Showers
    Likely

    Low: 5 °C

  • Monday

    Monday: Showers. High near 11. Chance of precipitation is 100%.

    Showers

    High: 11 °C

  • Monday
    Night

    Monday Night: Showers. Low around 9. Chance of precipitation is 90%.

    Showers

    Low: 9 °C

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 17.

    Chance
    Showers

    High: 17 °C

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 7.

    Slight Chance
    Showers and
    Patchy Fog

    Low: 7 °C

Detailed Forecast

Overnight
Clear, with a low around -6. Calm wind.
Saturday
Sunny, with a high near 12. Calm wind.
Saturday Night
Mostly clear, with a low around -2. Calm wind.
Sunday
Increasing clouds, with a high near 13. Calm wind becoming southwest 5 to 10 km/h in the afternoon.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 5. West wind 5 to 10 km/h becoming south in the evening. Chance of precipitation is 70%.
Monday
Showers. High near 11. Chance of precipitation is 100%.
Monday Night
Showers. Low around 9. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 17.
Tuesday Night
A 20 percent chance of showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 7.
Wednesday
Showers likely. Mostly cloudy, with a high near 13. Chance of precipitation is 70%.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 0. Chance of precipitation is 40%.
Thursday
A slight chance of rain and snow showers. Mostly cloudy, with a high near 6. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around -3.
Friday
Mostly sunny, with a high near 6.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 293 m)
Last Update:
10:04 pm EST Feb 21, 2020
Forecast Valid:
12am EST Feb 22, 2020-6pm EST Feb 27, 2020
 
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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