Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

CATHEYS VALLEY (CVBC1)

Lat: 37.38024°NLon: 120.07697°WElev: 1234.0ft.

NA

37°F

3°C

Humidity 100%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 10 Dec 02:27 AM PST
Extended Forecast for

10 Miles S Mariposa CA

Dense Fog Advisory December 10, 03:16am until December 10, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 10, 03:16am until December 10, 11:00am

    NOW until 11:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 50. Calm wind.

    High: 50 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. Calm wind.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Calm wind becoming east northeast around 5 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. Calm wind becoming east northeast around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. East northeast wind around 5 mph becoming calm.

    High: 62 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Calm wind.
Wednesday
Sunny, with a high near 50. Calm wind.
Wednesday Night
Mostly clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 60. Calm wind.
Thursday Night
Mostly clear, with a low around 46. Calm wind becoming east northeast around 5 mph.
Friday
Sunny, with a high near 63. Calm wind.
Friday Night
Mostly clear, with a low around 47. Calm wind becoming east northeast around 5 mph.
Saturday
Sunny, with a high near 62. East northeast wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 44. East northeast wind around 5 mph.
Sunday
Sunny, with a high near 60. Calm wind becoming west southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 44. Calm wind.
Monday
Partly sunny, with a high near 58. Calm wind becoming southwest around 5 mph.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 47. Calm wind.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 58. East wind around 5 mph becoming west southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Mariposa CA
 37.36°N 119.96°W (Elev. 1798 ft)
2:57 am PST Dec 10, 2025
3am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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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