Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

40°F

4°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 30 Jan 06:53 PM PST
Extended Forecast for

15 Miles ESE Happy Camp CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. South southwest wind 7 to 9 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51. South southwest wind 6 to 9 mph.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. South wind around 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before 1pm, then a chance of rain and snow.  Mostly sunny, with a high near 44. West southwest wind 7 to 9 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. West southwest wind around 6 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. South southwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 51. South southwest wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 40. South wind around 10 mph.
Sunday
A chance of snow before 1pm, then a chance of rain and snow. Mostly sunny, with a high near 44. West southwest wind 7 to 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Mostly clear, with a low around 33. West southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 54.
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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 30, 2026
7pm PST Jan 30, 2026-6pm PST Feb 6, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database