Heavy to Excessive Rainfall for the Southwest;

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

55°F

13°C

Humidity 54%
Wind Speed N 13 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 09 Oct 01:35 AM PDT
Detailed forecast for

Central Siskiyou County

Tonight
Mostly cloudy with a 40 percent chance of rain. Lows in the mid 40s to lower 50s. Southwest winds 10 to 15 mph shifting to the west 5 to 10 mph after midnight.
Thursday
Mostly cloudy. Chance of rain in the morning, then slight chance of showers in the afternoon. Highs in the mid 50s to mid 60s. West winds 5 to 10 mph shifting to the north late in the morning, then increasing to south 10 to 20 mph in the afternoon. Chance of precipitation 30 percent.
Thursday Night
Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s. South winds 10 to 15 mph shifting to the southwest 5 to 10 mph after midnight, then shifting to the southeast well after midnight.
Friday
Mostly cloudy. Chance of rain in the morning, then rain likely in the afternoon. Snow level 6500 feet. Highs in the lower 50s to lower 60s. South winds 10 to 15 mph. Chance of rain 60 percent.
Friday Night
Mostly cloudy. Rain likely in the evening, then chance of rain after midnight. Snow level 6500 feet lowering to 6000 feet after midnight. Lows in the mid 30s to lower 40s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
Saturday And Saturday Night
Mostly cloudy with a chance of rain. Highs in the lower 50s to lower 60s. Lows in the mid 30s to lower 40s.
Sunday
Mostly cloudy in the morning then becoming partly cloudy. Slight chance of rain. Highs in the lower 50s to lower 60s.
Sunday Night
Mostly cloudy with a chance of rain. Lows in the mid 30s to lower 40s.
Columbus Day
Mostly cloudy. Chance of rain and snow in the morning, then rain likely in the afternoon. Highs in the mid 40s to mid 50s.
Monday Night
Mostly cloudy with a chance of rain and snow. Lows in the mid 30s to lower 40s.
Tuesday
Mostly cloudy. Chance of rain and snow in the morning, then chance of rain in the afternoon. Highs in the mid 40s to mid 50s.
Tuesday Night
Mostly cloudy with a chance of rain. Lows in the mid 30s to lower 40s.
Wednesday
Partly cloudy. Slight chance of rain and snow in the morning, then slight chance of rain in the afternoon. Highs in the lower 50s to lower 60s.



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613 PM PDT Wed Oct 8 2025
 
 

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