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 06:06 AM PST
Extended Forecast for

17 Miles NE 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: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 7pm. Mostly cloudy, with a low around 25. Calm wind. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 31. Calm wind. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 10pm. Mostly cloudy, with a low around 30. Light south wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely before 10am, then rain. High near 33. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Rain/Snow
    then Rain

  • Saturday Night

    Saturday Night: Rain likely before 10pm, then rain, possibly mixed with snow. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Sunday

    Sunday: Rain, possibly mixed with snow. High near 35. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

New Year's Day
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 35. Calm wind.
Tonight
A 50 percent chance of snow, mainly after 7pm. Mostly cloudy, with a low around 25. Calm wind. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. Calm wind. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 30. Light south wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely before 10am, then rain. High near 33. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain likely before 10pm, then rain, possibly mixed with snow. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Rain, possibly mixed with snow. High near 35. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 34.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 34.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NE Mazama WA
 48.78°N 120.15°W (Elev. 3730 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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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation