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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

58°F

14°C

Humidity 72%
Wind Speed NE 3 mph
Barometer 30.14 in (1019.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 Apr 7:53 am EDT
Extended Forecast for

4 Miles N Greenback TN

  • Today

    Today: Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.

    Low: 61 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 60. South wind around 5 mph.
Thursday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph.
Saturday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greenback TN
 35.71°N 84.19°W (Elev. 1010 ft)
Last Update:
7:06 am EDT Apr 15, 2026
Forecast Valid:
8am EDT Apr 15, 2026-6pm EDT Apr 21, 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