Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

32°F

0°C

Humidity 82%
Wind Speed Calm
Barometer 30.19 in (1022.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 9 Dec 1:53 am EST
Extended Forecast for

2 Miles WNW Tallassee TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. South wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. West wind 5 to 10 mph becoming light northwest  after midnight. Winds could gust as high as 25 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 42. Calm wind becoming west around 5 mph in the morning.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Southwest wind around 5 mph becoming calm.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. Calm wind.
Tuesday
Mostly sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 37. South wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 52. South wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 30. West wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 25 mph.
Thursday
Partly sunny, with a high near 42. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 32. Southwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 53.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 35.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 44.
Sunday Night
Mostly clear, with a low around 25.
Monday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Tallassee TN
 35.56°N 83.98°W (Elev. 1266 ft)
12:31 am EST Dec 9, 2025
2am EST Dec 9, 2025-6pm EST Dec 15, 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