National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Monroe County Airport (KMNV)

Lat: 35.55°NLon: 84.38°WElev: 1031ft.

Fair

50°F

10°C

Humidity 76%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 7 Dec 1:35 pm EST
Extended Forecast for

Loudon TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 7am and 8am. Cloudy, with a high near 46. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. North wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. Southwest 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 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 49.

    High: 49 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. Calm wind.
Tonight
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 38. Calm wind.
Monday
A slight chance of showers between 7am and 8am. Cloudy, with a high near 46. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 27. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 50. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 37. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 49.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Loudon TN
 35.74°N 84.32°W (Elev. 781 ft)
Last Update:
12:46 pm EST Dec 7, 2025
Forecast Valid:
1pm EST Dec 7, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation