Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

CATHEYS VALLEY (CVBC1)

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

NA

46°F

8°C

Humidity 53%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 28 Jan 04:27 AM PST
Extended Forecast for

10 Miles S Mariposa CA

  • Today

    Today: Sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Patchy dense fog after 9pm.  Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind becoming southwest around 5 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog between 11pm and midnight.  Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63. Calm wind becoming west southwest around 5 mph.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65. East northeast wind around 5 mph becoming calm.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. East northeast wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Patchy dense fog after 9pm. Otherwise, mostly clear, with a low around 40. Calm wind.
Thursday
Sunny, with a high near 57. Calm wind becoming southwest around 5 mph.
Thursday Night
Patchy fog between 11pm and midnight. Otherwise, partly cloudy, with a low around 44. Calm wind.
Friday
Partly sunny, with a high near 63. Calm wind becoming west southwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 46. Calm wind.
Saturday
Partly sunny, with a high near 65. East northeast wind around 5 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 46. East northeast wind around 5 mph.
Sunday
Partly sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 42. North northwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 58. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42. North northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 59. Calm wind becoming west southwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Mariposa CA
 37.36°N 119.96°W (Elev. 1798 ft)
4:57 am PST Jan 28, 2026
5am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database