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

41°F

5°C

Humidity 54%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 11 Dec 12:15 AM PST
Extended Forecast for

2 Miles NW Cascade Summit OR

  • Overnight

    Overnight: Partly cloudy, with a low around 35. West northwest wind 3 to 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog after 4pm.  Otherwise, mostly sunny, with a high near 50. Light west northwest wind.

    High: 50 °F

    Mostly Sunny
    then Patchy
    Fog

  • Thursday Night

    Thursday Night: Patchy fog before 10pm.  Otherwise, mostly clear, with a low around 35. Light south southeast wind.

    Low: 35 °F

    Patchy Fog
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Light south southwest wind.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

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

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 10am.  Snow level 6100 feet rising to 7000 feet in the afternoon. Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 4am.  Snow level 7100 feet. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. West northwest wind 3 to 5 mph.
Thursday
Patchy fog after 4pm. Otherwise, mostly sunny, with a high near 50. Light west northwest wind.
Thursday Night
Patchy fog before 10pm. Otherwise, mostly clear, with a low around 35. Light south southeast wind.
Friday
Sunny, with a high near 55. Light and variable wind.
Friday Night
Partly cloudy, with a low around 37. Light south southwest wind.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
A slight chance of rain after 10am. Snow level 6100 feet rising to 7000 feet in the afternoon. Partly sunny, with a high near 48.
Sunday Night
A chance of rain, mainly after 4am. Snow level 7100 feet. Mostly cloudy, with a low around 37.
Monday
Rain, mainly after 10am. Snow level 7700 feet rising to 8600 feet in the afternoon. Mostly cloudy, with a high near 47.
Monday Night
Rain. Snow level 8200 feet lowering to 7300 feet after midnight . Cloudy, with a low around 37.
Tuesday
Rain. Snow level 6400 feet. Mostly cloudy, with a high near 42.
Tuesday Night
Rain and snow. Snow level 5500 feet. Mostly cloudy, with a low around 33.
Wednesday
Rain and snow. Snow level 5300 feet rising to 5900 feet in the afternoon. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Cascade Summit OR
 43.58°N 122.05°W (Elev. 5030 ft)
12:41 am PST Dec 11, 2025
1am PST Dec 11, 2025-6pm PST Dec 17, 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