Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

33°F

1°C

Humidity 100%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 08 Dec 06:06 AM PST
Extended Forecast for

11 Miles NE Mazama WA

  • Today

    Today: Rain and snow.  High near 38. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after midnight, then gradually ending. The snow could be heavy at times.  Low around 28. West wind 14 to 17 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Rain/Snow
    then Heavy
    Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow.  Increasing clouds, with a high near 35. West wind 6 to 13 mph.  New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow before 4am, then rain and snow. The snow could be heavy at times.  Low around 28. Southwest wind around 7 mph.  Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    Low: 28 °F

    Heavy Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow.  High near 38. West wind around 9 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely.  Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely before 1pm, then rain likely, possibly mixed with snow.  Mostly cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain and snow likely, mainly before 10pm.  Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow before 1pm, then a chance of rain.  Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

    High: 40 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Rain and snow. High near 38. Southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Rain and snow, becoming all snow after midnight, then gradually ending. The snow could be heavy at times. Low around 28. West wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday
A 40 percent chance of snow. Increasing clouds, with a high near 35. West wind 6 to 13 mph. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow before 4am, then rain and snow. The snow could be heavy at times. Low around 28. Southwest wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Wednesday
Rain and snow. High near 38. West wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely before 1pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Friday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Friday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Saturday
Rain and snow likely. Partly sunny, with a high near 40. Chance of precipitation is 60%.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NE Mazama WA
 48.74°N 120.29°W (Elev. 4439 ft)
6:03 am PST Dec 8, 2025
7am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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