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

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

NA

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 12 Nov 10:55 PM PST
Extended Forecast for

Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly after 4am. Low around 38. South wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 43. South wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow. Snow level 8500 feet lowering to 7300 feet after midnight . Low around 33. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Friday

    Friday: Snow likely, mainly before 10am. Partly sunny, with a high near 35. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow before 10pm, then a chance of rain and snow. Snow level rising to 7600 feet after midnight. Mostly cloudy, with a low around 33. West wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a slight chance of rain. Snow level 7900 feet rising to 8400 feet in the afternoon. Partly sunny, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain before 10pm, then a chance of rain and snow. Snow level 8100 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 7am, then snow. High near 37. Chance of precipitation is 80%.

    High: 37 °F

    Rain/Snow
    Likely then
    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 25. Chance of precipitation is 90%.

    Low: 25 °F

    Snow

Detailed Forecast

Tonight
Rain, mainly after 4am. Low around 38. South wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly after 1pm. High near 43. South wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, possibly mixed with snow. Snow level 8500 feet lowering to 7300 feet after midnight . Low around 33. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 10am. Partly sunny, with a high near 35. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow before 10pm, then a chance of rain and snow. Snow level rising to 7600 feet after midnight. Mostly cloudy, with a low around 33. West wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 1pm, then a slight chance of rain. Snow level 7900 feet rising to 8400 feet in the afternoon. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Saturday Night
A slight chance of rain before 10pm, then a chance of rain and snow. Snow level 8100 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 7am, then snow. High near 37. Chance of precipitation is 80%.
Sunday Night
Snow. Low around 25. Chance of precipitation is 90%.
Monday
Snow. Partly sunny, with a high near 27.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A chance of snow. Mostly sunny, with a high near 28.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Wednesday
Snow likely. Mostly cloudy, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Bachelor OR
 43.98°N 121.71°W (Elev. 7064 ft)
Last Update:
10:55 pm PST Nov 12, 2025
Forecast Valid:
11pm PST Nov 12, 2025-6pm PST Nov 19, 2025
 
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