Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Clear

46°F

8°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 06 Jan 04:00 PM PST
Extended Forecast for

15 Miles ESE Happy Camp CA

Winter Weather Advisory January 7, 01:00pm until January 8, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Snow likely, mainly after 3am.  Mostly cloudy, with a steady temperature around 33. Southwest wind 8 to 10 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Slight Chance
    Snow then
    Snow Likely

  • Wednesday

    Wednesday: A chance of snow before 7am, then snow showers after 10am.  Temperature rising to near 32 by 11am, then falling to around 28 during the remainder of the day. West southwest wind 8 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 32 °F

    Chance Snow
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 10pm.  Low around 22. West wind around 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow Showers
    then Chance
    Snow Showers

  • Thursday

    Thursday: A 20 percent chance of snow showers before 10am.  Mostly sunny, with a high near 29. North northwest wind 3 to 7 mph.

    High: 29 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. East southeast wind 5 to 7 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 3am. Mostly cloudy, with a steady temperature around 33. Southwest wind 8 to 10 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 7am, then snow showers after 10am. Temperature rising to near 32 by 11am, then falling to around 28 during the remainder of the day. West southwest wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday Night
Snow showers, mainly before 10pm. Low around 22. West wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday
A 20 percent chance of snow showers before 10am. Mostly sunny, with a high near 29. North northwest wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 22. East southeast wind 5 to 7 mph.
Friday
Sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Happy Camp CA
 41.74°N 123.07°W (Elev. 5745 ft)
3:41 pm PST Jan 6, 2026
4pm PST Jan 6, 2026-6pm PST Jan 13, 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