Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Monroe County Airport (KMNV)

Lat: 35.55°NLon: 84.38°WElev: 1031ft.

Fair

36°F

2°C

Humidity 70%
Wind Speed NW 8 mph
Barometer 30.05 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 11 Dec 9:15 am EST
Extended Forecast for

Philadelphia TN

  • Today

    Today: Sunny, with a high near 43. West wind around 5 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. West wind around 5 mph becoming calm  in the evening.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Calm wind becoming west around 5 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain showers before 2am, then a chance of freezing rain between 2am and 5am, then a chance of snow showers and freezing rain after 5am.  Partly cloudy, with a low around 24. Light northwest wind increasing to 5 to 10 mph after midnight.  Chance of precipitation is 30%.

    Low: 24 °F

    Slight Chance
    Showers then
    Chance Wintry
    Mix

  • Sunday

    Sunday: A 30 percent chance of snow showers before 7am.  Mostly sunny, with a high near 31. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 31 °F

    Chance Snow
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 43. West wind around 5 mph.
Tonight
Mostly cloudy, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 30. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 51. Calm wind becoming west around 5 mph.
Saturday Night
A chance of rain showers before 2am, then a chance of freezing rain between 2am and 5am, then a chance of snow showers and freezing rain after 5am. Partly cloudy, with a low around 24. Light northwest wind increasing to 5 to 10 mph after midnight. Chance of precipitation is 30%.
Sunday
A 30 percent chance of snow showers before 7am. Mostly sunny, with a high near 31. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 12.
Monday
Sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Philadelphia TN
 35.67°N 84.41°W (Elev. 846 ft)
6:06 am EST Dec 11, 2025
9am EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database