Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Current conditions at

Mount Shasta (KMHS)

Lat: 41.31494° N Lon: 122.31702° W Elev: 3540.0 ft.

Overcast

67°F

19°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 20 Sep 09:56 PM PDT
Detailed forecast for

South Central Siskiyou County

Tonight
Partly cloudy this evening then becoming mostly clear. Areas of fog late this evening and overnight. Lows in the mid 40s to mid 50s. Southwest winds around 5 mph early this evening becoming light.
Sunday
Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the lower 70s to lower 80s. Light winds becoming west 5 to 10 mph in the late morning and afternoon.
Sunday Night
Clear. Lows in the lower 40s to lower 50s. Northwest winds 5 to 10 mph shifting to the north after midnight.
Monday
Sunny. Highs in the mid 70s to mid 80s. Northeast winds around 5 mph.
Monday Night
Clear. Lows in the mid 40s to mid 50s. Northeast winds around 5 mph.
Tuesday
Sunny. Highs in the lower 80s to lower 90s.
Tuesday Night Through Wednesday Night
Mostly clear. Lows in the mid 40s to mid 50s. Highs in the lower 80s to lower 90s.
Thursday And Thursday Night
Mostly clear. Highs in the lower 80s to lower 90s. Lows in the mid 40s to mid 50s.
Friday And Friday Night
Mostly clear. Highs in the mid 70s to mid 80s. Lows in the mid 40s to mid 50s.
Saturday
Sunny. Highs in the lower 70s to lower 80s.



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248 PM PDT Sat Sep 20 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database