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

GERBER RESERVOIR (GRBO3)

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

NA

36°F

2°C

Humidity 87%
Wind Speed W 6 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 13 Apr 08:45 AM PDT
Extended Forecast for

3 Miles ESE Bonanza OR

  • Today

    Today: Partly sunny, with a high near 52. Light west wind becoming west northwest 6 to 11 mph in the morning.

    High: 52 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. West northwest wind 6 to 11 mph becoming light northwest  in the evening.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 2am, then a chance of rain and snow showers.  Snow level 6500 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 35. West wind 12 to 17 mph becoming light southwest  after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 8am, then rain showers between 8am and 5pm, then rain, possibly mixed with snow showers after 5pm.  Snow level 5200 feet rising to 6000 feet. High near 49. Breezy, with a southwest wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow showers, becoming all snow after 8pm.  Low around 20. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: A 20 percent chance of snow before 11am.  Sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 52. Light west wind becoming west northwest 6 to 11 mph in the morning.
Tonight
Partly cloudy, with a low around 25. West northwest wind 6 to 11 mph becoming light northwest in the evening.
Tuesday
Mostly sunny, with a high near 58. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A chance of rain showers before 2am, then a chance of rain and snow showers. Snow level 6500 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 35. West wind 12 to 17 mph becoming light southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow showers before 8am, then rain showers between 8am and 5pm, then rain, possibly mixed with snow showers after 5pm. Snow level 5200 feet rising to 6000 feet. High near 49. Breezy, with a southwest wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain, possibly mixed with snow showers, becoming all snow after 8pm. Low around 20. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow before 11am. Sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 19.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A chance of rain. Snow level 5900 feet. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Bonanza OR
 42.18°N 121.34°W (Elev. 4199 ft)
4:41 am PDT Apr 13, 2026
9am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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