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

Maryville TN

  • Today

    Today: Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Southwest wind 5 to 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm.  Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °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 62. Southwest wind 5 to 10 mph.

    Low: 62 °F

    Chance
    Showers

  • Friday

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

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Calm wind becoming south around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm.  Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 50.

    Low: 50 °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 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 62. Southwest wind 5 to 10 mph.
Thursday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 62. Southwest wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 62. Calm wind becoming south around 5 mph.
Saturday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 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 42.
Tuesday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.99°W (Elev. 1001 ft)
8:26 am EDT Apr 15, 2026
8am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
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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