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

47°F

8°C

Humidity 60%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 13 Apr 04:15 PM PDT
Extended Forecast for

12 Miles ENE Chemult OR

  • This Afternoon

    This Afternoon: A 20 percent chance of snow showers.  Partly sunny, with a high near 44. West wind around 8 mph.

    High: 44 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 23. West wind 3 to 8 mph.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 5pm.  Increasing clouds, with a high near 50. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 50 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 8pm, then snow likely.  Mostly cloudy, with a low around 30. Southwest wind 11 to 13 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Wednesday

    Wednesday: Snow.  High near 40. West wind 11 to 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 40 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 11pm.  Low around 18. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Snow Showers
    then Chance
    Snow Showers

  • Thursday

    Thursday: A 50 percent chance of snow.  Partly sunny, with a high near 38. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow showers. Partly sunny, with a high near 44. West wind around 8 mph.
Tonight
Partly cloudy, with a low around 23. West wind 3 to 8 mph.
Tuesday
A 30 percent chance of rain after 5pm. Increasing clouds, with a high near 50. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
A chance of rain and snow before 8pm, then snow likely. Mostly cloudy, with a low around 30. Southwest wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Snow. High near 40. West wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday Night
Snow showers, mainly before 11pm. Low around 18. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 38. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 17.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 57.
Saturday Night
A chance of rain and snow. Snow level 6900 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 31.
Sunday
Rain and snow likely. Snow level 5600 feet. Mostly cloudy, with a high near 47.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Monday
A chance of rain and snow. Partly sunny, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ENE Chemult OR
 43.3°N 121.55°W (Elev. 5636 ft)
4:41 pm PDT Apr 13, 2026
4pm PDT Apr 13, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database