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

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

33°F

1°C

Humidity 87%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 03 Dec 03:06 PM PST
Extended Forecast for

4 Miles SW Twisp WA

  • Tonight

    Tonight: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind. Little or no snow accumulation expected.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow, mixing with rain after 1pm, then gradually ending. Mostly cloudy, then gradually becoming sunny, with a high near 34. Light northwest wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 34 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm, then a chance of snow. Increasing clouds, with a low around 29. Light northwest wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: Rain and snow. High near 34. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 34 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. West wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Partly sunny, with a high near 36. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.

    High: 33 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, possibly mixed with rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain/Snow
    Likely then
    Chance Snow

Detailed Forecast

Tonight
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind. Little or no snow accumulation expected.
Thursday
A chance of snow, mixing with rain after 1pm, then gradually ending. Mostly cloudy, then gradually becoming sunny, with a high near 34. Light northwest wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 11pm, then a chance of snow. Increasing clouds, with a low around 29. Light northwest wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
Rain and snow. High near 34. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday Night
Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. West wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 36. New snow accumulation of less than a half inch possible.
Saturday Night
A 40 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.
Sunday
Snow likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
Sunday Night
Snow likely, possibly mixed with rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Monday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.
Monday Night
Rain and snow. Low around 34. Chance of precipitation is 80%.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
Tuesday Night
Snow likely, possibly mixed with rain. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.
Wednesday
Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Twisp WA
 48.33°N 120.18°W (Elev. 4386 ft)
Last Update:
3:12 pm PST Dec 3, 2025
Forecast Valid:
3pm PST Dec 3, 2025-6pm PST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation