Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

BLACK ROCK (OKFO3)

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

NA

55°F

13°C

Humidity 52%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 10 Dec 01:15 PM PST
Extended Forecast for

Cascade Summit OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 49. West wind around 14 mph, with gusts as high as 21 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. West wind around 6 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog after 5pm.  Otherwise, mostly sunny, with a high near 50. Light west wind.

    High: 50 °F

    Mostly Sunny
    then Patchy
    Fog

  • Thursday Night

    Thursday Night: Patchy fog before 10pm.  Otherwise, mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 53. Calm wind becoming west around 6 mph in the afternoon.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Saturday Night

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

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain.  Snow level 6100 feet rising to 7000 feet in the afternoon. Partly sunny, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 49. West wind around 14 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 35. West wind around 6 mph.
Thursday
Patchy fog after 5pm. Otherwise, mostly sunny, with a high near 50. Light west wind.
Thursday Night
Patchy fog before 10pm. Otherwise, mostly clear, with a low around 34. Calm wind.
Friday
Sunny, with a high near 53. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
A chance of rain. Snow level 6100 feet rising to 7000 feet in the afternoon. Partly sunny, with a high near 47.
Sunday Night
Rain likely, mainly after 4am. Snow level 7000 feet. Mostly cloudy, with a low around 35.
Monday
Rain. Snow level 7600 feet rising to 8300 feet in the afternoon. Mostly cloudy, with a high near 46.
Monday Night
Rain. Snow level 7700 feet lowering to 6800 feet after midnight . Mostly cloudy, with a low around 36.
Tuesday
Rain. Snow level 6000 feet. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Summit OR
 43.59°N 122.02°W (Elev. 4790 ft)
12:42 pm PST Dec 10, 2025
2pm PST Dec 10, 2025-6pm PST Dec 16, 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