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

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

MIDDLE PEAK (MDEC1)

Lat: 37.92778°NLon: 122.58722°WElev: 2339.0ft.

NA

44°F

7°C

Humidity 100%
Wind Speed WNW 11 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 07 Jan 02:36 AM PST
Extended Forecast for

San Anselmo CA

Extreme Cold Watch January 9, 01:00am until January 9, 09:00am
Click here for hazard details and duration
Extreme Cold Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. Light west northwest wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 54. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. West northwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. North northwest wind around 9 mph, with gusts as high as 20 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. North wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. Light west northwest wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 54. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 42. West northwest wind around 14 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 52. North northwest wind around 9 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 39. North wind around 6 mph.
Friday
Sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Anselmo CA
 37.97°N 122.58°W (Elev. 558 ft)
Last Update:
12:26 am PST Jan 7, 2026
Forecast Valid:
3am PST Jan 7, 2026-6pm PST Jan 13, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation