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

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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK ROCK (OKFO3)

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

NA

40°F

4°C

Humidity 38%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 27 Jan 06:15 PM PST
Extended Forecast for

5 Miles SSE Cascade Summit OR

  • Tonight

    Tonight: Snow before midnight, then a slight chance of snow after 4am. Low around 27. West southwest wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before noon, then a chance of rain and snow. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 41. Southwest wind 3 to 5 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 41 °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 rain and snow after 10pm. Snow level 5000 feet. Low around 30. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow

  • Thursday

    Thursday: Rain likely, possibly mixed with snow before 10am, then a chance of rain. Snow level 5200 feet rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 44. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 44 °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 6600 feet. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly between 10am and 4pm. Snow level 5800 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm. Snow level 6500 feet. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow before midnight, then a slight chance of snow after 4am. Low around 27. West southwest wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before noon, then a chance of rain and snow. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 41. Southwest wind 3 to 5 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 rain and snow after 10pm. Snow level 5000 feet. Low around 30. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Rain likely, possibly mixed with snow before 10am, then a chance of rain. Snow level 5200 feet rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 44. Calm 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 6600 feet. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 30%.
Friday
A 30 percent chance of rain, mainly between 10am and 4pm. Snow level 5800 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 50.
Friday Night
A 20 percent chance of rain before 10pm. Snow level 6500 feet. Mostly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
A chance of rain. Snow level 5900 feet. Partly sunny, with a high near 48.
Sunday Night
A chance of rain and snow. Snow level 5800 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 30.
Monday
A chance of rain and snow. Snow level 4800 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Cascade Summit OR
 43.51°N 121.97°W (Elev. 4800 ft)
Last Update:
3:41 pm PST Jan 27, 2026
Forecast Valid:
6pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation