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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

10°F

-12°C

Humidity 88%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility NA
Last update 01 Jan 05:06 AM PST
Extended Forecast for

2 Miles SE Mazama 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

  • New Year's Day

    High: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly after 1am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 32. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow, mainly after 10pm. Low around 30. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Snow

  • Saturday

    Saturday: Snow before 10am, then rain. High near 35. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Rain

  • Sunday

    Sunday: Rain. High near 38. Chance of precipitation is 80%.

    High: 38 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

New Year's Day
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 30. Calm wind.
Tonight
Snow likely, mainly after 1am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 32. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Snow, mainly after 10pm. Low around 30. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Snow before 10am, then rain. High near 35. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain. Low around 31. Chance of precipitation is 80%.
Sunday
Rain. High near 38. Chance of precipitation is 80%.
Sunday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Monday
A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Mazama WA
 48.6°N 120.41°W (Elev. 2201 ft)
Last Update:
2:53 am PST Jan 1, 2026
Forecast Valid:
6am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation