Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

40°F

4°C

Humidity 65%
Wind Speed W 10 mph
Barometer 29.96 in (1014.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 9 Dec 11:53 pm EST
Extended Forecast for

3 Miles SSE Tallassee TN

  • Overnight

    Overnight: Partly cloudy, with a low around 34. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 3pm.  Partly sunny, with a high near 51. South wind around 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 1am.  Mostly cloudy, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 40. West wind around 5 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. South wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. Southeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 51. South wind around 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A slight chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 40. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 30. South wind around 5 mph.
Friday
Mostly sunny, with a high near 54. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 38. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 57.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 24.
Monday
Sunny, with a high near 45.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 31.
Tuesday
A slight chance of rain or freezing rain. Mostly sunny, with a high near 49. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Tallassee TN
 35.51°N 83.93°W (Elev. 1939 ft)
6:25 pm EST Dec 9, 2025
12am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database