Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

BLACK ROCK (OKFO3)

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

NA

34°F

1°C

Humidity 93%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 13 Apr 07:15 AM PDT
Extended Forecast for

8 Miles SSE Willamette Pass OR

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

    Today: Rain and snow showers, mainly before 3pm.  Snow level 4900 feet. High near 39. West wind around 8 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Tonight

    Tonight: A 10 percent chance of snow showers before 7pm.  Mostly cloudy, with a low around 29. West wind 5 to 8 mph.

    Low: 29 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers before 2pm, then rain, possibly mixed with snow showers.  High near 44. West southwest wind 5 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F

    Slight Chance
    Snow Showers
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow showers, becoming all snow after 8pm.  Low around 34. West southwest wind 13 to 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 34 °F

    Rain/Snow
    then Snow
    Showers

  • Wednesday

    Wednesday: Snow showers.  High near 36. West southwest wind 10 to 17 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers.  Low around 23. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow Showers

  • Thursday

    Thursday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 36. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely

  • Thursday Night

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

    Low: 21 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and snow showers, mainly before 3pm. Snow level 4900 feet. High near 39. West wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
A 10 percent chance of snow showers before 7pm. Mostly cloudy, with a low around 29. West wind 5 to 8 mph.
Tuesday
A slight chance of snow showers before 2pm, then rain, possibly mixed with snow showers. High near 44. West southwest wind 5 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain, possibly mixed with snow showers, becoming all snow after 8pm. Low around 34. West southwest wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
Snow showers. High near 36. West southwest wind 10 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers. Low around 23. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 36. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
A chance of rain and snow. Snow level 6600 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 35.
Sunday
Rain and snow likely. Snow level 5200 feet. Mostly cloudy, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Willamette Pass OR
 43.46°N 121.99°W (Elev. 4862 ft)
4:41 am PDT Apr 13, 2026
8am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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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