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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

35°F

2°C

Humidity 99%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 07 Dec 12:01 PM PST
Extended Forecast for

3 Miles WSW Mazama WA

  • This Afternoon

    This Afternoon: Snow. High near 33. East wind 6 to 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 4am. Low around 32. Northwest wind around 10 mph becoming southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Snow

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 2pm. The rain could be heavy at times. High near 39. East wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain and snow before 4am, then a chance of snow. The rain could be heavy at times. Low around 32. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow

  • Tuesday

    Tuesday: A chance of snow before 10am, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 36. West wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Low around 32. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow before 1pm, then rain between 1pm and 4pm, then rain likely, possibly mixed with snow after 4pm. High near 38. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow likely, mainly after 10am. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.

    High: 36 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Snow. High near 33. East wind 6 to 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 4am. Low around 32. Northwest wind around 10 mph becoming southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Rain, possibly mixed with snow, becoming all rain after 2pm. The rain could be heavy at times. High near 39. East wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday Night
Rain and snow before 4am, then a chance of snow. The rain could be heavy at times. Low around 32. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow before 10am, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 36. West wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, possibly mixed with snow. Low around 32. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Rain, possibly mixed with snow before 1pm, then rain between 1pm and 4pm, then rain likely, possibly mixed with snow after 4pm. High near 38. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
Rain and snow likely, mainly after 10am. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Mazama WA
 48.61°N 120.51°W (Elev. 3356 ft)
Last Update:
12:27 pm PST Dec 7, 2025
Forecast Valid:
12pm PST Dec 7, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation