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

37°F

3°C

Humidity 99%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 11 Apr 04:15 AM PDT
Extended Forecast for

5 Miles SSE Cascade Summit OR

  • Overnight

    Overnight: Rain.  Snow level 6400 feet. Low around 37. Calm wind.  Chance of precipitation is 90%.

    Low: 37 °F

    Rain

  • Saturday

    Saturday: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 1pm.  Snow level 6100 feet rising to 6600 feet in the afternoon. High near 50. Calm wind becoming south 5 to 8 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 50 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Rain and snow likely before midnight, then a chance of rain between midnight and 5am, then a chance of rain and snow after 5am. Some thunder is also possible.  Snow level 6100 feet lowering to 5400 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 34. Calm wind becoming east southeast around 6 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain, possibly mixed with snow.  Snow level 5300 feet. High near 42. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 11pm.  Low around 32. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    then Snow

  • Monday

    Monday: Snow before 5pm, then snow, possibly mixed with rain.  High near 42. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow then
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 8pm, then a chance of snow.  Mostly cloudy, with a low around 29. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A chance of snow before 2pm, then a chance of rain and snow.  Partly sunny, with a high near 46.

    High: 46 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 8pm, then snow likely.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Overnight
Rain. Snow level 6400 feet. Low around 37. Calm wind. Chance of precipitation is 90%.
Saturday
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 1pm. Snow level 6100 feet rising to 6600 feet in the afternoon. High near 50. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain and snow likely before midnight, then a chance of rain between midnight and 5am, then a chance of rain and snow after 5am. Some thunder is also possible. Snow level 6100 feet lowering to 5400 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 34. Calm wind becoming east southeast around 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow. Snow level 5300 feet. High near 42. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Rain and snow, becoming all snow after 11pm. Low around 32. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Snow before 5pm, then snow, possibly mixed with rain. High near 42. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
A chance of snow before 2pm, then a chance of rain and snow. Partly sunny, with a high near 46.
Tuesday Night
A chance of rain and snow before 8pm, then snow likely. Mostly cloudy, with a low around 31.
Wednesday
Snow. Cloudy, with a high near 39.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Partly sunny, with a high near 42.
Thursday Night
A slight chance of snow. Mostly clear, with a low around 21.
Friday
Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Cascade Summit OR
 43.51°N 121.97°W (Elev. 4800 ft)
4:41 am PDT Apr 11, 2026
4am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
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