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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK ROCK (OKFO3)

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

NA

37°F

3°C

Humidity 91%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 12 Apr 09:15 PM PDT
Extended Forecast for

Cascade Summit OR

Winter Storm Watch April 14, 11:00pm until April 16, 05:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Snow, possibly mixed with rain, becoming all snow after midnight. Low around 32. West northwest wind around 6 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain/Snow
    then Snow

  • Monday

    Monday: Snow, mainly before 3pm. High near 38. West northwest wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. West wind 3 to 6 mph. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A chance of snow between 11am and 5pm, then rain, possibly mixed with snow. High near 43. West southwest wind 3 to 8 mph. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 8pm. Low around 31. West southwest wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 31 °F

    Rain/Snow
    then Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 35. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 35 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 21. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow then
    Snow Likely

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 35.

    High: 35 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 11pm. Partly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
Snow, possibly mixed with rain, becoming all snow after midnight. Low around 32. West northwest wind around 6 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.
Monday
Snow, mainly before 3pm. High near 38. West northwest wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. West wind 3 to 6 mph. Little or no snow accumulation expected.
Tuesday
A chance of snow between 11am and 5pm, then rain, possibly mixed with snow. High near 43. West southwest wind 3 to 8 mph. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow, becoming all snow after 8pm. Low around 31. West southwest wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 35. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Snow. Low around 21. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 35.
Thursday Night
A chance of snow before 11pm. Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 51.
Saturday Night
A chance of rain. Snow level 6300 feet. Mostly cloudy, with a low around 33.
Sunday
Rain and snow likely. Snow level 5700 feet. Mostly cloudy, with a high near 49.
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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:
4:56 pm PDT Apr 12, 2026
Forecast Valid:
9pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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