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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

BLACK ROCK (OKFO3)

Lat: 43.52828°NLon: 121.816°WElev: 4891.0ft.

NA

42°F

6°C

Humidity 87%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 11 Apr 06:15 PM PDT
Extended Forecast for

Cascade Summit OR

  • Tonight

    Tonight: Rain and snow showers likely before 5am, then a chance of rain showers. Snow level 6100 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 34. Southwest wind 5 to 8 mph becoming east southeast in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow showers, possibly mixed with rain. Snow level 5300 feet. High near 40. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow showers, possibly mixed with rain, becoming all snow after 11pm. Low around 31. West northwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    then Snow
    Showers

  • Monday

    Monday: Snow showers. High near 38. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 28. West northwest wind 5 to 9 mph becoming light west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 28 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A chance of snow showers before 5pm, then rain likely, possibly mixed with snow showers. Partly sunny, with a high near 43. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 8pm, then snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow
    then Snow

  • Wednesday

    Wednesday: Snow. Cloudy, with a high near 36.

    High: 36 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Snow

Detailed Forecast

Tonight
Rain and snow showers likely before 5am, then a chance of rain showers. Snow level 6100 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 34. Southwest wind 5 to 8 mph becoming east southeast in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Snow showers, possibly mixed with rain. Snow level 5300 feet. High near 40. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow showers, possibly mixed with rain, becoming all snow after 11pm. Low around 31. West northwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday
Snow showers. High near 38. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 28. West northwest wind 5 to 9 mph becoming light west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday
A chance of snow showers before 5pm, then rain likely, possibly mixed with snow showers. Partly sunny, with a high near 43. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow likely before 8pm, then snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow. Cloudy, with a high near 36.
Wednesday Night
Snow. Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 38.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A chance of rain. Snow level rising to 6600 feet in the afternoon. Mostly sunny, with a high near 54.
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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:
4:41 pm PDT Apr 11, 2026
Forecast Valid:
7pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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