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

GERBER RESERVOIR (GRBO3)

Lat: 42.20597°NLon: 121.13806°WElev: 4950.0ft.

NA

40°F

4°C

Humidity 69%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 15 Apr 02:45 AM PDT
Extended Forecast for

14 Miles NNE Bonanza OR

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

    Overnight: Rain likely, mainly after 5am.  Snow level 5100 feet. Mostly cloudy, with a low around 31. Southwest wind around 10 mph.  Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain before 3pm, then rain likely, possibly mixed with snow.  Snow level 6100 feet lowering to 4700 feet in the afternoon . High near 48. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 48 °F

    Breezy. Rain
    Likely then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow between 10pm and 11pm.  Partly cloudy, with a low around 20. West wind 16 to 21 mph becoming light  after midnight. Winds could gust as high as 31 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 47. Light northwest wind increasing to 5 to 9 mph in the afternoon.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19. North northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain.  Snow level 7700 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Rain likely, mainly after 5am. Snow level 5100 feet. Mostly cloudy, with a low around 31. Southwest wind around 10 mph. Chance of precipitation is 60%.
Wednesday
Rain before 3pm, then rain likely, possibly mixed with snow. Snow level 6100 feet lowering to 4700 feet in the afternoon . High near 48. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A 20 percent chance of snow between 10pm and 11pm. Partly cloudy, with a low around 20. West wind 16 to 21 mph becoming light after midnight. Winds could gust as high as 31 mph.
Thursday
Sunny, with a high near 47. Light northwest wind increasing to 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 19. North northwest wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 64.
Saturday Night
A slight chance of rain. Snow level 7700 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 35.
Sunday
A chance of rain. Snow level 6300 feet. Mostly cloudy, with a high near 60.
Sunday Night
A chance of rain and snow. Snow level 6700 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 34.
Monday
A chance of rain and snow. Snow level 5500 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 63.
Monday Night
A chance of rain. Snow level 6600 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 33.
Tuesday
A chance of rain. Snow level 5600 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNE Bonanza OR
 42.4°N 121.34°W (Elev. 4400 ft)
2:22 am PDT Apr 15, 2026
3am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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