Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

42°F

6°C

Humidity 85%
Wind Speed NW 5 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 8 Dec 12:53 pm EST
Extended Forecast for

4 Miles S Townsend TN

Winter Weather Advisory until December 8, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 8, 07:00pm

    NOW until 7:00pm Mon

    Winter Weather Advisory

  • This Afternoon

    High: 42 °F

    Chance
    Showers

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 27. North wind around 5 mph becoming calm  in the evening.

    Low: 27 °F

    Decreasing
    Clouds

  • Tuesday

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

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Southwest wind around 15 mph, with gusts as high as 35 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before midnight, then a slight chance of snow showers between midnight and 1am.  Mostly cloudy, with a low around 31. West wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Showers then
    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Partly sunny, with a high near 43. West wind around 5 mph.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 50 percent chance of showers, mainly before 4pm. Cloudy, with a high near 42. Northwest wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 27. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 48. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. South wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 53. Southwest wind around 15 mph, with gusts as high as 35 mph.
Wednesday Night
A slight chance of rain showers before midnight, then a slight chance of snow showers between midnight and 1am. Mostly cloudy, with a low around 31. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 43. West wind around 5 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 31.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 51.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Townsend TN
 35.61°N 83.76°W (Elev. 1969 ft)
12:31 pm EST Dec 8, 2025
1pm EST Dec 8, 2025-6pm EST Dec 14, 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