Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

MOUNT ZION (MTZC1)

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

NA

55°F

13°C

Humidity 30%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 21 Jan 03:56 AM PST
Extended Forecast for

6 Miles SW Jackson CA

Dense Fog Advisory until January 21, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 21, 12:00pm

    NOW until 12:00pm Wed

    Dense Fog Advisory

  • Overnight

    Low: 47 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Light and variable wind.

    High: 56 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Widespread dense fog, mainly after 2am.  Otherwise, cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Dense Fog

  • Thursday

    Thursday: Mostly cloudy, with a high near 58. Light and variable wind.

    High: 58 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 47. Calm wind.
Wednesday
Mostly cloudy, with a high near 56. Light and variable wind.
Wednesday Night
Widespread dense fog, mainly after 2am. Otherwise, cloudy, with a low around 47. Calm wind.
Thursday
Mostly cloudy, with a high near 58. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 44. Calm wind.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Jackson CA
 38.29°N 120.84°W (Elev. 837 ft)
1:21 am PST Jan 21, 2026
5am PST Jan 21, 2026-6pm PST Jan 27, 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