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

Heavy Rain and Mountain Snow For the West Coast; Lake Effect Snow in the Great Lakes

A series of Pacific storms will deliver multiple rounds of heavy rain and mountain snow Wednesday into the Thanksgiving holiday weekend. There is an elevated concern for flash flooding, mudslides and debris flows near wildfire burn scars in California. A weak storm system will cross the Great Lakes Wednesday with accumulating Lake Effect snow. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

Lat: 48.425278°NLon: 120.141944°WElev: 1697ft.

NA

42°F

6°C

Humidity 49%
Wind Speed SSE 2 G 5 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 20 Nov 3:06 pm PST
Extended Forecast for

11 Miles E Twisp WA

Air Stagnation Advisory until November 21, 01:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until November 21, 01:00pm

    NOW until
    1:00pm Wed

    Air Stagnation Advisory

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 36. Light south wind.

    Sunny

    High: 36 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Southwest wind 3 to 5 mph.

    Partly Cloudy

    Low: 25 °F

  • Wednesday

    Wednesday: Snow likely, mainly after 5pm. Cloudy, with a high near 31. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Snow Likely

    High: 31 °F

  • Wednesday
    Night

    Wednesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 25. West wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Likely

    Low: 25 °F

  • Thanksgiving
    Day

    Thanksgiving Day: Snow, mainly after 5pm. High near 32. West wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Chance Snow
    then Snow

    High: 32 °F

  • Thursday
    Night

    Thursday Night: Snow, mainly before 11pm. Low around 24. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Snow then
    Chance Snow

    Low: 24 °F

  • Friday

    Friday: Snow likely, mainly between 11am and 5pm. Mostly cloudy, with a high near 33. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Snow Likely

    High: 33 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 22.

    Chance Snow
    then Mostly
    Cloudy

    Low: 22 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 36. Light south wind.
Tonight
Partly cloudy, with a low around 25. Southwest wind 3 to 5 mph.
Wednesday
Snow likely, mainly after 5pm. Cloudy, with a high near 31. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 25. West wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thanksgiving Day
Snow, mainly after 5pm. High near 32. West wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
Snow, mainly before 11pm. Low around 24. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow likely, mainly between 11am and 5pm. Mostly cloudy, with a high near 33. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 22.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A 10 percent chance of snow. Mostly cloudy, with a low around 23.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 32.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 34.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
11 Miles E Twisp WA
 48.39°N 119.88°W (Elev. 4150 ft)
Last Update:
2:59 pm PST Nov 20, 2018
Forecast Valid:
4pm PST Nov 20, 2018-6pm PST Nov 27, 2018
 
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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