Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

28°F

-2°C

Humidity 86%
Wind Speed N 3 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 11 Mar 03:35 AM PDT
Detailed forecast for

Central Siskiyou County

Today
Partly cloudy. Highs in the mid 50s to mid 60s. Southeast winds around 5 mph shifting to the southwest this afternoon.
Tonight
Partly cloudy. Lows in the mid 30s. West winds 5 to 10 mph shifting to the southwest well after midnight.
Thursday
Partly cloudy in the morning then clearing. Highs in the mid 50s to lower 60s. South winds around 5 mph shifting to the north in the late morning and early afternoon, then shifting to the west late in the afternoon.
Thursday Night
Clear. Lows in the mid 30s to lower 40s. Northwest winds 5 to 10 mph.
Friday
Partly cloudy in the morning then becoming sunny. Highs in the mid 50s to mid 60s. North winds around 5 mph shifting to the west in the late morning and afternoon.
Friday Night
Mostly clear in the evening then becoming partly cloudy. Lows in the lower to mid 40s.
Saturday
Mostly cloudy. Slight chance of showers in the morning. Highs in the mid 50s to mid 60s.
Saturday Night And Sunday
Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the lower 60s to lower 70s.
Sunday Night
Mostly cloudy. Lows in the mid 40s to lower 50s.
Monday And Monday Night
Partly cloudy. Highs in the lower 70s to lower 80s. Lows in the mid 40s to lower 50s.
Tuesday
Partly cloudy in the morning then becoming mostly cloudy. Highs in the mid 70s to lower 80s.



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324 AM PDT Wed Mar 11 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database