Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

73°F

23°C

Humidity 31%
Wind Speed N 17 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 19 Jun 06:53 PM PDT
Detailed forecast for

Central Siskiyou County

Tonight
Mostly clear until well after midnight then becoming partly cloudy. Lows in the lower to mid 40s. Northwest winds 10 to 20 mph shifting to the north 5 to 10 mph after midnight.
Friday
Partly cloudy with a slight chance of rain. Snow level 6000 feet in the afternoon. Highs in the mid 50s to mid 60s. Northwest winds 10 to 15 mph.
Friday Night
Mostly cloudy with a 50 percent chance of rain. Snow level 5500 feet in the evening. Lows in the lower to mid 40s. Northwest winds 10 to 15 mph decreasing to around 5 mph well after midnight.
Saturday
Mostly cloudy in the morning then becoming partly cloudy. A 10 percent chance of rain. Snow level 5500 feet in the afternoon. Highs in the mid 50s to mid 60s. Northwest winds 10 to 15 mph.
Saturday Night
Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower to mid 40s. Northwest winds 10 to 15 mph shifting to the north around 5 mph well after midnight.
Sunday
Sunny, warmer. Highs in the mid 60s to mid 70s.
Sunday Night
Clear. Lows in the mid 40s.
Monday
Sunny, warmer. Highs in the mid 70s to mid 80s.
Monday Night
Partly cloudy in the evening then clearing. Lows in the lower to mid 50s.
Tuesday And Tuesday Night
Mostly clear. Highs in the lower 80s to lower 90s. Lows in the lower to mid 50s.
Wednesday
Sunny. Highs in the mid 80s to mid 90s.
Wednesday Night And Thursday
Mostly clear. Lows in the mid 50s. Highs in the mid 80s to mid 90s.



Basemap Options
Click map to change the forecast location
Loading map...
233 PM PDT Thu Jun 19 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database