Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

41°F

5°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 7 Dec 9:53 pm EST
Extended Forecast for

3 Miles SSE Tallassee TN

  • Tonight

    Tonight: A 50 percent chance of showers after 2am.  Cloudy, with a low around 38. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Cloudy then
    Chance
    Showers

  • Monday

    Monday: A slight chance of rain showers and sleet before 10am, then a chance of rain showers between 10am and 3pm.  Cloudy, with a high near 43. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Sleet
    then Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. North wind around 5 mph becoming calm  in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Calm wind becoming southwest around 5 mph in the morning.

    High: 49 °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 25 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 35. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm.  Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
A 50 percent chance of showers after 2am. Cloudy, with a low around 38. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of rain showers and sleet before 10am, then a chance of rain showers between 10am and 3pm. Cloudy, with a high near 43. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 29. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 49. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 36. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 53. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 35. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 48.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Friday
A slight chance of rain before 1pm, then a slight chance of showers after 1pm. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Friday Night
A slight chance of rain showers, snow showers, and freezing rain. Mostly cloudy, with a low around 19. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Sunny, with a high near 37.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Tallassee TN
 35.51°N 83.93°W (Elev. 1939 ft)
6:06 pm EST Dec 7, 2025
10pm EST Dec 7, 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