Isolated Severe Storms in the Midwest; Fire Weather Concerns in the Northern Plains; Record Heat in the West

Isolated severe storms are possible across parts of the Florida Peninsula and the Great Lakes to Lower Missouri Valley and south-central Plains late this afternoon and early evening. Elevated to critical fire weather concerns continue over much of the northern Great Plains. Above average temperatures persist across portions of the West today. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

50°F

10°C

Humidity 76%
Wind Speed NE 11 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 12 May 06:00 AM PDT
Detailed forecast for

Central Siskiyou County

Today
Partly cloudy then becoming sunny early this afternoon then becoming partly cloudy. Slight chance of showers late this afternoon. Highs in the lower 80s to lower 90s. Breezy. East winds around 5 mph shifting to the south late this morning, then increasing to 15 to 25 mph with gusts to around 40 mph this afternoon.
Tonight
Partly cloudy with a 10 percent chance of showers. Lows in the mid 40s to lower 50s. Southwest winds 10 to 20 mph with gusts to around 35 mph shifting to the northwest 10 to 15 mph with gusts to around 30 mph late in the evening and overnight.
Wednesday
Mostly cloudy with a 20 percent chance of showers in the morning, then partly cloudy in the afternoon. Highs in the lower 60s to lower 70s. Northwest winds 5 to 10 mph.
Wednesday Night
Clear. Lows in the lower to mid 40s. Northwest winds 10 to 15 mph shifting to the north around 5 mph after midnight.
Thursday
Sunny. Highs in the lower 70s to lower 80s. Light winds becoming north around 5 mph in the afternoon.
Thursday Night And Friday
Clear. Lows in the lower to mid 40s. Highs in the lower 70s to lower 80s.
Friday Night
Mostly clear in the evening then becoming partly cloudy. Lows in the mid 30s to lower 40s.
Saturday
Partly cloudy in the morning then clearing. Highs in the mid 50s to mid 60s.
Saturday Night Through Sunday Night
Mostly clear. Lows in the mid 30s to lower 40s. Highs in the lower 60s to lower 70s.
Monday
Sunny. Highs in the lower 70s to lower 80s.



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240 AM PDT Tue May 12 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database