National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

BLACK ROCK (OKFO3)

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

NA

24°F

-4°C

Humidity 87%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 21 Feb 04:15 AM PST
Extended Forecast for

Cascade Summit OR

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 4am. Partly cloudy, with a low around 29. Southeast wind around 18 mph, with gusts as high as 28 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Mostly Clear
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely before 10am, then snow, possibly mixed with rain between 10am and noon, then rain after noon. Snow level rising to 5900 feet in the afternoon. High near 38. South wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    then Rain

  • Sunday Night

    Sunday Night: Rain. Snow level 6000 feet. Low around 35. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain

  • Monday

    Monday: Rain. Snow level 6000 feet rising to 6500 feet in the afternoon. High near 41. South southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain

  • Monday Night

    Monday Night: Rain. Snow level 6800 feet. Low around 36. South wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain

  • Tuesday

    Tuesday: Rain. Snow level 6900 feet. High near 39. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 39 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 10pm. Low around 26. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Rain/Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow likely, mainly before 10am. Partly sunny, with a high near 37.

    High: 37 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly before 10pm. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after 4am. Partly cloudy, with a low around 29. Southeast wind around 18 mph, with gusts as high as 28 mph. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow likely before 10am, then snow, possibly mixed with rain between 10am and noon, then rain after noon. Snow level rising to 5900 feet in the afternoon. High near 38. South wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain. Snow level 6000 feet. Low around 35. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. Snow level 6000 feet rising to 6500 feet in the afternoon. High near 41. South southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Snow level 6800 feet. Low around 36. South wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain. Snow level 6900 feet. High near 39. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain and snow, becoming all snow after 10pm. Low around 26. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday
Snow likely, mainly before 10am. Partly sunny, with a high near 37.
Wednesday Night
A chance of snow, mainly before 10pm. Mostly cloudy, with a low around 21.
Thursday
A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 43.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Friday
A chance of snow. Partly sunny, with a high near 44.
Friday Night
A chance of snow. Mostly cloudy, with a low around 28.
Saturday
A chance of rain and snow. Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Summit OR
 43.58°N 122.05°W (Elev. 5030 ft)
Last Update:
3:41 pm PST Feb 21, 2026
Forecast Valid:
7pm PST Feb 21, 2026-6pm PST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation