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 >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

36°F

2°C

Humidity 93%
Wind Speed S 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 07 Jan 12:30 AM PST
Extended Forecast for

17 Miles NNE Weed CA

  • Overnight

    Overnight: A 30 percent chance of snow after 3am.  Mostly cloudy, with a steady temperature around 31. Southwest wind around 9 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow before 7am, then snow after 1pm. The snow could be heavy at times.  High near 38. West southwest wind 9 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 9pm. The snow could be heavy at times.  Mostly cloudy, with a low around 19. West wind 9 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New snow accumulation of 3 to 5 inches possible.

    Low: 19 °F

    Heavy Snow

  • Thursday

    Thursday: Partly sunny, with a high near 31. West wind 5 to 7 mph.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. North northwest wind around 6 mph becoming east after midnight.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow after 3am. Mostly cloudy, with a steady temperature around 31. Southwest wind around 9 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A slight chance of snow before 7am, then snow after 1pm. The snow could be heavy at times. High near 38. West southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow likely, mainly before 9pm. The snow could be heavy at times. Mostly cloudy, with a low around 19. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of 3 to 5 inches possible.
Thursday
Partly sunny, with a high near 31. West wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 17. North northwest wind around 6 mph becoming east after midnight.
Friday
Sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNE Weed CA
 41.61°N 122.2°W (Elev. 4941 ft)
11:11 pm PST Jan 6, 2026
12am 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