Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375° N Lon: 122.46817° W Elev: 2644.0 ft.

Clear

34°F

1°C

Humidity 86%
Wind Speed SW 3 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 30 Jan 04:35 AM PST
Detailed forecast for

Central Siskiyou County

Today
Mostly cloudy this morning then becoming partly cloudy. Highs in the mid 50s to lower 60s. Southeast winds around 5 mph.
Tonight
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s to lower 40s. Southeast winds around 5 mph shifting to the northeast late in the evening and overnight.
Saturday
Mostly cloudy. Highs in the mid 50s to lower 60s. East winds around 5 mph shifting to the southeast late in the afternoon.
Saturday Night
Mostly cloudy. Slight chance of rain after midnight. Lows in the mid 30s. East winds 5 to 10 mph.
Sunday
Mostly cloudy in the morning then clearing. A 10 percent chance of rain. Highs in the lower to mid 50s. South winds around 5 mph shifting to the west in the afternoon.
Sunday Night
Mostly clear in the evening then becoming partly cloudy. Lows around 30.
Monday
Partly cloudy. Highs in the lower to mid 50s.
Monday Night Through Tuesday Night
Mostly clear. Lows in the lower to mid 30s. Highs in the lower 50s to lower 60s.
Wednesday Through Thursday
Mostly clear. Highs in the mid 50s to mid 60s. Lows in the lower to mid 30s.



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228 AM PST Fri Jan 30 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database