Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

GERBER RESERVOIR (GRBO3)

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

NA

81°F

27°C

Humidity 23%
Wind Speed WSW 9 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index79°F (26°C)
Last update 15 Aug 02:45 PM PDT
Extended Forecast for

16 Miles N Bonanza OR

  • Tonight

    Tonight: Mostly clear, with a low around 48. West northwest wind 8 to 13 mph becoming light west  after midnight. Winds could gust as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 72. Light and variable wind becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 48. Northwest wind 5 to 9 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 30%.

    High: 75 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 45. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 45 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 72. Light and variable wind becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Northwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 45. Southwest wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 78.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles N Bonanza OR
 42.43°N 121.43°W (Elev. 4400 ft)
1:40 pm PDT Aug 15, 2025
3pm PDT Aug 15, 2025-6pm PDT Aug 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database