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

Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast

Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >

Current conditions at

MOUNT ZION (MTZC1)

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

NA

54°F

12°C

Humidity 71%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 10 Oct 01:56 AM PDT
Extended Forecast for

4 Miles ESE Ione CA

  • Overnight

    Overnight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers between 2am and 4am. Increasing clouds, with a low around 53. Light and variable wind. Chance of precipitation is 20%.

    Low: 53 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 68. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48. Northwest wind around 6 mph becoming light and variable.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: A chance of showers, mainly after 11am. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A slight chance of showers between 2am and 4am. Increasing clouds, with a low around 53. Light and variable wind. Chance of precipitation is 20%.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 68. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 48. Northwest wind around 6 mph becoming light and variable.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 51.
Columbus Day
A chance of showers, mainly after 11am. Mostly cloudy, with a high near 67.
Monday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 53.
Tuesday
Showers likely. Mostly cloudy, with a high near 60.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 52.
Wednesday
A chance of showers. Partly sunny, with a high near 64.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 51.
Thursday
A slight chance of showers. Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Ione CA
 38.35°N 120.89°W (Elev. 591 ft)
Last Update:
12:21 am PDT Oct 10, 2025
Forecast Valid:
3am PDT Oct 10, 2025-6pm PDT Oct 16, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation