Widespread Thunderstorms and Showers in the Southeast and Northwest

Widespread showers and thunderstorms may produce isolate instances of flash flooding across the Ozarks and Southeast through Friday. Scattered severe storms and heavy rain is expected across the Northwest U.S.. Gusty winds and low relative humidity will contribute to elevated fire weather over a portion of the northern Plains with a secondary threat in the Great Basin. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Partly Cloudy

54°F

12°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 28 May 10:00 AM PDT
Detailed forecast for

Central Siskiyou County

Today
Partly cloudy this morning then becoming mostly cloudy. Chance of showers late this morning. Chance of thunderstorms in the late morning and afternoon. Showers late this afternoon. Some thunderstorms may produce gusty winds, small hail, and heavy rainfall in the late morning and afternoon. Highs in the mid 60s to lower 70s. Southeast winds around 5 mph shifting to the west in the late morning and afternoon. Chance of precipitation 90 percent.
Tonight
Showers and chance of thunderstorms in the evening, then chance of showers after midnight. Some thunderstorms may produce gusty winds, small hail, and heavy rainfall in the evening. Lows in the mid 40s to lower 50s. West winds 5 to 10 mph. Chance of precipitation 80 percent.
Friday
Mostly cloudy with a 30 percent chance of showers. Highs in the lower to mid 60s. Northwest winds around 5 mph.
Friday Night
Partly cloudy in the evening then becoming mostly cloudy. A 10 percent chance of showers. Lows in the lower to mid 40s. North winds 5 to 10 mph.
Saturday
Mostly cloudy in the morning then clearing. Highs in the lower 60s to lower 70s. North winds 5 to 10 mph.
Saturday Night And Sunday
Clear. Lows around 40. Highs in the mid 60s to mid 70s.
Sunday Night And Monday
Clear. Lows in the mid 40s. Highs in the lower 70s to lower 80s.
Monday Night And Tuesday
Mostly clear. Lows in the lower to mid 50s. Highs in the lower 80s to lower 90s.
Tuesday Night
Partly cloudy. Lows in the lower to mid 50s.
Wednesday
Sunny. Highs in the mid 70s to mid 80s.



Basemap Options
Click map to change the forecast location
Loading map...
239 AM PDT Thu May 28 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database