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

Catastrophic flooding and landslides will continue to bring a significant risk to life and property in Washington and northwest Oregon. Arctic air will bring near record cold temperatures and dangerous wind chills from the Northern High Plains into the Mid-South and Mid-Atlantic through the weekend. A narrow band of snow is likely from the Mid-West, Upper Ohio Valley into the Central Appalachians. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

27°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Last update 11 Dec 11:55 PM PST
Extended Forecast for

8 Miles NNW Mount Bachelor OR

  • Overnight

    Overnight: Partly cloudy, with a low around 32. West wind around 11 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 40. West wind 7 to 10 mph.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. West wind 10 to 14 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 44. West wind 7 to 13 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Southwest wind 13 to 18 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow.  Partly sunny, with a high near 36.

    High: 36 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 4am.  Mostly cloudy, with a low around 33. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance Snow
    then Snow
    Likely

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 4pm.  Snow level 8400 feet rising to 9500 feet in the afternoon. High near 37. Breezy.  Chance of precipitation is 90%.

    High: 37 °F

    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Rain before 7pm, then rain and snow between 7pm and 1am, then snow after 1am.  Snow level 8800 feet lowering to 8200 feet after midnight . Low around 30. Breezy.  Chance of precipitation is 90%.

    Low: 30 °F

    Rain/Snow and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. West wind around 11 mph.
Friday
Partly sunny, with a high near 40. West wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 34. West wind 10 to 14 mph.
Saturday
Sunny, with a high near 44. West wind 7 to 13 mph.
Saturday Night
Partly cloudy, with a low around 33. Southwest wind 13 to 18 mph, with gusts as high as 21 mph.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 36.
Sunday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Rain, possibly mixed with snow, becoming all rain after 4pm. Snow level 8400 feet rising to 9500 feet in the afternoon. High near 37. Breezy. Chance of precipitation is 90%.
Monday Night
Rain before 7pm, then rain and snow between 7pm and 1am, then snow after 1am. Snow level 8800 feet lowering to 8200 feet after midnight . Low around 30. Breezy. Chance of precipitation is 90%.
Tuesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 33. Breezy.
Tuesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 21. Windy.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 24. Breezy.
Wednesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 22. Breezy.
Thursday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 28. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Mount Bachelor OR
 44.08°N 121.76°W (Elev. 8196 ft)
12:30 am PST Dec 12, 2025
12am PST Dec 12, 2025-6pm PST Dec 18, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database