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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK ROCK (OKFO3)

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

NA

41°F

5°C

Humidity 37%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 27 Jan 03:15 PM PST
Extended Forecast for

Cascade Summit OR

  • This Afternoon

    This Afternoon: A 10 percent chance of snow after 5pm. Mostly cloudy, with a steady temperature around 39. Southeast wind around 14 mph, with gusts as high as 21 mph.

    High: 39 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Snow before midnight, then a slight chance of snow after 4am. Low around 27. West wind 7 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 38. Southwest wind around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 9pm, then a chance of snow between 9pm and 10pm, then snow, possibly mixed with rain after 10pm. Snow level 5100 feet. Low around 30. South wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely before 10am, then a chance of rain. Snow level 5300 feet rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 42. Light south southwest wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 10pm, then a slight chance of rain after 4am. Snow level 6700 feet. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly between 10am and 4pm. Snow level 5900 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 47.

    High: 47 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm. Snow level 6500 feet. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of snow after 5pm. Mostly cloudy, with a steady temperature around 39. Southeast wind around 14 mph, with gusts as high as 21 mph.
Tonight
Snow before midnight, then a slight chance of snow after 4am. Low around 27. West wind 7 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 38. Southwest wind around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before 9pm, then a chance of snow between 9pm and 10pm, then snow, possibly mixed with rain after 10pm. Snow level 5100 feet. Low around 30. South wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
Rain and snow likely before 10am, then a chance of rain. Snow level 5300 feet rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 42. Light south southwest wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain before 10pm, then a slight chance of rain after 4am. Snow level 6700 feet. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Friday
A 30 percent chance of rain, mainly between 10am and 4pm. Snow level 5900 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 47.
Friday Night
A slight chance of rain before 10pm. Snow level 6500 feet. Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Rain likely. Snow level 6000 feet. Partly sunny, with a high near 46.
Sunday Night
Rain and snow likely. Snow level 5800 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 31.
Monday
A chance of rain and snow. Snow level rising to 5500 feet in the afternoon. Partly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cascade Summit OR
 43.58°N 122.05°W (Elev. 5030 ft)
Last Update:
2:41 pm PST Jan 27, 2026
Forecast Valid:
3pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation