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

35°F

2°C

Humidity 87%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 13 Apr 02:15 AM 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

  • Overnight

    Overnight: Snow showers. Low around 32. West wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 32 °F

    Snow Showers

  • Monday

    Monday: Snow showers, mainly before 4pm. High near 39. West northwest wind around 8 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 39 °F

    Snow Showers

  • Monday Night

    Monday Night: A 30 percent chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 28. West wind 5 to 7 mph. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers before 2pm, then rain, possibly mixed with snow showers. High near 44. West wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow showers, becoming all snow after 8pm. Low around 32. West southwest wind around 9 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 32 °F

    Rain/Snow
    then Snow
    Showers

  • Wednesday

    Wednesday: Snow showers. The snow could be heavy at times. High near 36. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 36 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 21. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Snow Showers

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 36.

    High: 36 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 11pm. Partly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Overnight
Snow showers. Low around 32. West wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Monday
Snow showers, mainly before 4pm. High near 39. West northwest wind around 8 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday Night
A 30 percent chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 28. West wind 5 to 7 mph. Little or no snow accumulation expected.
Tuesday
A chance of snow showers before 2pm, then rain, possibly mixed with snow showers. High near 44. West wind 5 to 10 mph, with gusts 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 showers, becoming all snow after 8pm. Low around 32. West southwest wind around 9 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers. The snow could be heavy at times. High near 36. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Snow showers. Low around 21. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 36.
Thursday Night
A chance of snow before 11pm. Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
A chance of rain and snow. Snow level 6500 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 33.
Sunday
Rain and snow likely. Snow level 5100 feet. Mostly cloudy, with a high near 46.
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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:
1:01 am PDT Apr 13, 2026
Forecast Valid:
3am PDT Apr 13, 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