Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

BLACK ROCK (OKFO3)

Lat: 43.52831°NLon: 121.81601°WElev: 4891.0ft.

NA

32°F

0°C

Humidity 98%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 15 Apr 04:15 AM PDT
Extended Forecast for

2 Miles SSE Chemult OR

Wind Advisory April 15, 11:00am until April 15, 08:00pm
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Rain and snow.  Snow level 4900 feet. Low around 29. South southwest wind around 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 11am.  High near 41. South wind 13 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 3am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 20. West wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Likely

  • Thursday

    Thursday: A 20 percent chance of snow.  Mostly sunny, with a high near 42. West northwest wind 5 to 7 mph.

    High: 42 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 11pm.  Snow level 7600 feet lowering to 6900 feet after midnight . Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Overnight
Rain and snow. Snow level 4900 feet. Low around 29. South southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain and snow, becoming all snow after 11am. High near 41. South wind 13 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 20. West wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 42. West northwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 18. Northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 59.
Saturday Night
A chance of rain, mainly after 11pm. Snow level 7600 feet lowering to 6900 feet after midnight . Mostly cloudy, with a low around 33.
Sunday
A chance of rain. Snow level 6200 feet. Mostly cloudy, with a high near 56.
Sunday Night
A chance of rain and snow. Snow level 6500 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 33.
Monday
A chance of rain and snow. Snow level 5500 feet rising to 6300 feet in the afternoon. Partly sunny, with a high near 59.
Monday Night
A chance of rain and snow. Snow level 6600 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 33.
Tuesday
A chance of rain and snow. Snow level 5600 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Chemult OR
 43.22°N 121.8°W (Elev. 4905 ft)
4:41 am PDT Apr 15, 2026
4am PDT Apr 15, 2026-6pm PDT Apr 21, 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