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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

14°F

-10°C

Humidity 89%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Last update 30 Dec 12:06 AM PST
Extended Forecast for

9 Miles SW Conconully WA

Air Stagnation Advisory until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Overnight

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. West wind around 6 mph.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a steady temperature around 23. West wind around 6 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. West wind around 6 mph becoming light and variable in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. Northwest wind around 6 mph.

    Low: 19 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 50 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 25.

    High: 25 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 21. West wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 27. West wind around 6 mph.
Tuesday Night
Partly cloudy, with a steady temperature around 23. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 28. West wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 19. Northwest wind around 6 mph.
New Year's Day
Mostly cloudy, with a high near 25.
Thursday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 18.
Friday
A 50 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 25.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 26.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 24.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Conconully WA
 48.47°N 119.9°W (Elev. 5604 ft)
Last Update:
7:37 pm PST Dec 29, 2025
Forecast Valid:
12am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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