Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

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. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

45°F

7°C

Humidity 75%
Wind Speed SE 5 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 07 Jan 11:00 AM 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
  • Today

    Today: Snow, mainly after 3pm. The snow could be heavy at times.  Temperature falling to around 27 by 4pm. West southwest wind 13 to 20 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Heavy Snow

  • Tonight

    Tonight: Snow likely, mainly before 8pm.  Mostly cloudy, with a low around 20. West northwest wind around 10 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 28. North wind 3 to 5 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. South southeast wind 5 to 8 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 37. East wind 6 to 9 mph.

    High: 37 °F

    Sunny

  • Friday Night

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

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
Snow, mainly after 3pm. The snow could be heavy at times. Temperature falling to around 27 by 4pm. West southwest wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow likely, mainly before 8pm. Mostly cloudy, with a low around 20. West northwest wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Thursday
Mostly sunny, with a high near 28. North wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 21. South southeast wind 5 to 8 mph.
Friday
Sunny, with a high near 37. East wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Happy Camp CA
 41.74°N 123.07°W (Elev. 5745 ft)
11:11 am PST Jan 7, 2026
11am PST Jan 7, 2026-6pm PST Jan 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database