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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

42°F

6°C

Humidity 88%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 12 Nov 09:06 PM PST
Extended Forecast for

21 Miles NNE Mazama WA

  • Tonight

    Tonight: Rain likely, possibly mixed with snow before 2am, then rain likely between 2am and 3am, then rain and snow likely after 3am. Mostly cloudy, with a low around 32. South wind around 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow. High near 34. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 24. West wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Rain/Snow
    then Snow
    Likely

  • Friday

    Friday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 27. West wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 27 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 24. West wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Sunday

    Sunday: Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

    High: 31 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Snow Likely

Detailed Forecast

Tonight
Rain likely, possibly mixed with snow before 2am, then rain likely between 2am and 3am, then rain and snow likely after 3am. Mostly cloudy, with a low around 32. South wind around 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Rain and snow. High near 34. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 24. West wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 27. West wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Snow likely. Mostly cloudy, with a low around 24. West wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 22.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 23.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 22.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNE Mazama WA
 48.89°N 120.27°W (Elev. 6686 ft)
Last Update:
7:07 pm PST Nov 12, 2025
Forecast Valid:
9pm PST Nov 12, 2025-6pm PST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation