Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

48°F

9°C

Humidity 66%
Wind Speed SW 12 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 11 Dec 03:55 AM PST
Extended Forecast for

4 Miles N Mount Bachelor OR

  • Today

    Today: Partly sunny, with a high near 43. West wind 5 to 9 mph becoming light  in the afternoon. Winds could gust as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. West wind 3 to 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. West wind around 5 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. West wind 5 to 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. Southwest wind around 5 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm.  Snow level rising to 7200 feet in the afternoon. Partly sunny, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of rain before 7pm, then a chance of rain and snow.  Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Rain/Snow

  • Monday

    Monday: Rain, mainly after 10am.  High near 44. Chance of precipitation is 80%.

    High: 44 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 43. West wind 5 to 9 mph becoming light in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 32. West wind 3 to 5 mph.
Friday
Partly sunny, with a high near 49. West wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 35. West wind 5 to 7 mph.
Saturday
Sunny, with a high near 52. Southwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
A slight chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level rising to 7200 feet in the afternoon. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Sunday Night
A slight chance of rain before 7pm, then a chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Monday
Rain, mainly after 10am. High near 44. Chance of precipitation is 80%.
Monday Night
Rain, possibly mixed with snow. Snow level 8200 feet lowering to 7000 feet after midnight . Mostly cloudy, with a low around 32.
Tuesday
Rain and snow. Mostly cloudy, with a high near 37.
Tuesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 27.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Mount Bachelor OR
 44.03°N 121.69°W (Elev. 6247 ft)
4:20 am PST Dec 11, 2025
5am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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