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

CASTLE ROCK (TR950)

Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.

NA

56°F

13°C

Humidity 63%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 13 Apr 12:09 PM PDT
Extended Forecast for

9 Miles SSE Vader WA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely before 3pm, then a slight chance of showers after 5pm.  Partly sunny, with a high near 56. West wind around 8 mph.  Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 1am and 5am.  Mostly cloudy, with a low around 41. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 41 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers between 7am and 10am, then rain after 10am.  High near 51. South wind 6 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain Likely
    then Rain

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 4000 feet lowering to 2000 feet after midnight . Low around 37. South southwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am.  Snow level 1800 feet. High near 50. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 2am, then a chance of rain and snow showers.  Snow level 2000 feet lowering to 1400 feet after midnight . Low around 34. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow showers before 8am, then a chance of rain showers.  Snow level 1400 feet rising to 2800 feet in the afternoon. Partly sunny, with a high near 56. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 56 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and thunderstorms likely before 3pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 56. West wind around 8 mph. Chance of precipitation is 60%.
Tonight
A 40 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 41. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
A chance of showers between 7am and 10am, then rain after 10am. High near 51. South wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Snow level 4000 feet lowering to 2000 feet after midnight . Low around 37. South southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. Snow level 1800 feet. High near 50. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain showers before 2am, then a chance of rain and snow showers. Snow level 2000 feet lowering to 1400 feet after midnight . Low around 34. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow showers before 8am, then a chance of rain showers. Snow level 1400 feet rising to 2800 feet in the afternoon. Partly sunny, with a high near 56. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Vader WA
 46.27°N 122.92°W (Elev. 200 ft)
12:41 pm PDT Apr 13, 2026
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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