Western Heat Wave

A persistent heat wave will continue to bring dangerously hot temperatures and set new records across much of the Western U.S. through this week. Additionally, there will be elevated to critical fire weather conditions across the Great Basin and into the High Plains and some dry thunderstorms in the Southwest. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375° N Lon: 122.46817° W Elev: 2644 ft.

Mostly Cloudy



Humidity 71%
Wind Speed N 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Jun 06:55 AM PDT
Detailed forecast for

Central Siskiyou County

Mostly cloudy then becoming partly cloudy late this morning then becoming sunny. Highs in the lower 70s to lower 80s. Southwest winds around 5 mph shifting to the northwest 10 to 15 mph in the late morning and afternoon.
Mostly clear. Lows in the mid 40s. North winds 10 to 15 mph shifting to the northwest around 5 mph after midnight.
Sunny. Highs in the lower 80s to lower 90s. North winds around 5 mph.
Wednesday Night
Clear. Lows in the lower to mid 50s. Northwest winds 5 to 10 mph.
Sunny. Highs in the mid 80s to mid 90s. Light winds becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear. Lows in the mid 50s.
Friday Through Saturday
Clear. Highs 90 to 100. Lows in the mid 50s to lower 60s.
Saturday Night Through Sunday Night
Clear. Lows in the lower to mid 60s. Highs 90 to 100.
Sunny. Highs 90 to 100.

Click Map For Forecast
239 AM PDT Tue Jun 15 2021

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database