National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

MOUNT ZION (MTZC1)

Lat: 38.39006°NLon: 120.6524°WElev: 2967.0ft.

NA

58°F

14°C

Humidity 62%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 12 Nov 10:56 PM PST
Extended Forecast for

Ione CA

Wind Advisory until November 13, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until November 13, 01:00pm

    NOW until 1:00pm Thu

    Wind Advisory

  • Tonight

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 4pm. High near 67. South wind 13 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 53. South wind 5 to 7 mph becoming east northeast after midnight. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 53 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 63. Light and variable wind becoming west northwest around 5 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. Light north northeast wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 10am. Partly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a steady temperature around 63. South southeast wind 16 to 18 mph, with gusts as high as 32 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, with thunderstorms also possible after 4pm. High near 67. South wind 13 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 53. South wind 5 to 7 mph becoming east northeast after midnight. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 63. Light and variable wind becoming west northwest around 5 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 48. Light north northeast wind.
Saturday
A 20 percent chance of showers after 10am. Partly sunny, with a high near 61.
Saturday Night
A 30 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 51.
Sunday
A chance of showers. Mostly cloudy, with a high near 60.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50.
Monday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 58.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
A slight chance of showers. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ione CA
 38.34°N 120.97°W (Elev. 305 ft)
Last Update:
2:01 pm PST Nov 12, 2025
Forecast Valid:
11pm PST Nov 12, 2025-6pm PST Nov 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation