Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

BLACK ROCK (OKFO3)

Lat: 43.52831°NLon: 121.81601°WElev: 4891.0ft.

NA

46°F

8°C

Humidity 100%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 08:15 PM PST
Extended Forecast for

5 Miles NE Cascade Summit OR

  • Tonight

    Tonight: Rain likely before 2am, then a slight chance of rain after 4am.  Snow level 9400 feet lowering to 8300 feet after midnight . Mostly cloudy, with a steady temperature around 42. West southwest wind 17 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. West wind 18 to 21 mph, with gusts as high as 31 mph.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. West southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. West wind around 7 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. South southwest wind 5 to 7 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow between 10pm and 1am, then a slight chance of snow after 1am.  Snow level 7000 feet lowering to 6500 feet after midnight . Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain likely before 2am, then a slight chance of rain after 4am. Snow level 9400 feet lowering to 8300 feet after midnight . Mostly cloudy, with a steady temperature around 42. West southwest wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Partly sunny, with a high near 43. West wind 18 to 21 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 35. West southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 43. West wind around 7 mph.
Thursday Night
Mostly clear, with a low around 34. South southwest wind 5 to 7 mph.
Friday
Sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 47.
Saturday Night
A slight chance of rain and snow between 10pm and 1am, then a slight chance of snow after 1am. Snow level 7000 feet lowering to 6500 feet after midnight . Partly cloudy, with a low around 34.
Sunday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 39.
Sunday Night
A chance of rain and snow. Snow level 6800 feet. Mostly cloudy, with a low around 35.
Monday
Rain and snow. Snow level 6900 feet rising to 7700 feet in the afternoon. Mostly cloudy, with a high near 38.
Monday Night
Rain and snow. Snow level 7400 feet lowering to 6700 feet after midnight . Mostly cloudy, with a low around 34.
Tuesday
Snow likely. Mostly cloudy, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Cascade Summit OR
 43.62°N 121.97°W (Elev. 6532 ft)
3:41 pm PST Dec 9, 2025
8pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database