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

42°F

6°C

Humidity 60%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 15 Apr 12:45 AM PDT
Extended Forecast for

3 Miles ESE Bonanza OR

  • Overnight

    Overnight: A 20 percent chance of rain.  Snow level 5300 feet. Cloudy, with a low around 34. West southwest wind around 8 mph.

    Low: 34 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain before 5pm, then a chance of rain and snow.  Snow level 6300 feet lowering to 5000 feet in the afternoon . High near 50. Breezy, with a southwest wind 9 to 14 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 50 °F

    Chance Rain
    then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 7pm.  Partly cloudy, with a low around 20. Breezy, with a west northwest wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.  Little or no snow accumulation expected.

    Low: 20 °F

    Chance Snow
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 48. Northwest wind 5 to 11 mph.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. North northwest wind 8 to 13 mph becoming light north  after midnight. Winds could gust as high as 20 mph.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 11pm.  Snow level 7700 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
A 20 percent chance of rain. Snow level 5300 feet. Cloudy, with a low around 34. West southwest wind around 8 mph.
Wednesday
Rain before 5pm, then a chance of rain and snow. Snow level 6300 feet lowering to 5000 feet in the afternoon . High near 50. Breezy, with a southwest wind 9 to 14 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 20. Breezy, with a west northwest wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 48. Northwest wind 5 to 11 mph.
Thursday Night
Mostly clear, with a low around 20. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A slight chance of rain after 11pm. Snow level 7700 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 37.
Sunday
A chance of rain. Snow level 6400 feet. Mostly cloudy, with a high near 62.
Sunday Night
A chance of rain. Snow level 6700 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 36.
Monday
A chance of rain. Snow level 5500 feet rising to 6300 feet in the afternoon. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Snow level 6600 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Snow level 5500 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Bonanza OR
 42.18°N 121.34°W (Elev. 4199 ft)
11:26 pm PDT Apr 14, 2026
1am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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