Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

GERBER RESERVOIR (GRBO3)

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

NA

56°F

13°C

Humidity 34%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 18 Jun 03:45 AM PDT
Extended Forecast for

14 Miles NNE Bonanza OR

Fire Weather Watch June 19, 01:00pm until June 20, 01:00am
Click here for hazard details and duration
Fire Weather Watch
  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 90 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 50. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 50 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 82. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 45. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 45 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 50. West wind 5 to 9 mph becoming calm in the evening.
Juneteenth
A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 82. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 45. West southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 79. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 82.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 87.
Monday Night
Clear, with a low around 50.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Clear, with a low around 48.
Wednesday
Sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNE Bonanza OR
 42.4°N 121.34°W (Elev. 4400 ft)
1:46 am PDT Jun 18, 2026
4am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database