Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

55°F

13°C

Humidity 58%
Wind Speed NNE 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 02 Jul 07:35 AM PDT
Detailed forecast for

Central Siskiyou County

Today
Sunny. Highs in the mid 70s to mid 80s. Northeast winds around 5 mph shifting to the north 10 to 15 mph late this afternoon.
Tonight
Partly cloudy in the evening then clearing. Lows in the lower to mid 50s. North winds 10 to 15 mph decreasing to around 5 mph after midnight.
Friday
Sunny. Highs in the lower 80s to lower 90s. Northeast winds around 5 mph shifting to the northwest late in the afternoon.
Friday Night
Clear. Lows in the mid 50s to lower 60s. North winds 10 to 15 mph shifting to the east around 5 mph well after midnight.
Independence Day
Sunny. Highs in the mid 80s to mid 90s. East winds around 5 mph early in the morning becoming light, then becoming northwest around 5 mph in the afternoon.
Saturday Night And Sunday
Mostly clear. Lows in the mid 50s to lower 60s. Highs in the mid 80s to mid 90s.
Sunday Night And Monday
Partly cloudy. Lows in the mid 50s to lower 60s. Highs in the mid 80s to mid 90s.
Monday Night
Mostly clear. Lows in the mid 50s to lower 60s.
Tuesday
Sunny. Highs in the mid 80s to mid 90s.
Tuesday Night And Wednesday
Mostly clear. Lows in the mid 50s to lower 60s. Highs in the mid 80s to mid 90s.



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239 AM PDT Thu Jul 2 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database