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

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 12 Nov 06:55 PM PST
Extended Forecast for

Sisters OR

  • Tonight

    Tonight: Rain, mainly after 4am. Low around 41. Light and variable wind becoming southeast around 5 mph in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Cloudy then
    Rain

  • Thursday

    Thursday: Rain, mainly before 10am. High near 62. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 36. West wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain. Mostly sunny, with a high near 54. Calm wind becoming southwest around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 34. Southwest wind 3 to 5 mph.

    Low: 34 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Sunday

    Sunday: A 50 percent chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain likely before 1am, then rain likely, possibly mixed with snow. Patchy freezing fog after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Rain Likely
    then
    Rain/Snow
    Likely and
    Patchy
    Freezing Fog

Detailed Forecast

Tonight
Rain, mainly after 4am. Low around 41. Light and variable wind becoming southeast around 5 mph in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before 10am. High near 62. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. West wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain. Mostly sunny, with a high near 54. Calm wind becoming southwest around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34. Southwest wind 3 to 5 mph.
Saturday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 57.
Saturday Night
A 20 percent chance of rain after 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 33.
Sunday
A 50 percent chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 54.
Sunday Night
Rain likely before 1am, then rain likely, possibly mixed with snow. Patchy freezing fog after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Monday
A chance of rain and snow, mainly before 4pm. Patchy freezing fog before 10am. Snow level 4200 feet. Partly sunny, with a high near 45.
Monday Night
A slight chance of rain and snow. Patchy freezing fog. Snow level 3800 feet. Mostly cloudy, with a low around 25.
Tuesday
A slight chance of rain and snow. Patchy freezing fog. Snow level 3500 feet. Mostly sunny, with a high near 45.
Tuesday Night
A chance of rain and snow. Snow level 3800 feet. Mostly cloudy, with a low around 25.
Wednesday
Rain and snow likely. Snow level 3600 feet rising to 4400 feet in the afternoon. Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sisters OR
 44.29°N 121.55°W (Elev. 3199 ft)
Last Update:
4:12 pm PST Nov 12, 2025
Forecast Valid:
7pm PST Nov 12, 2025-6pm PST Nov 19, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation