National Weather Service United States Department of Commerce

An incoming storm system is set to bring multiple rounds of moderate to heavy rainfall Monday through Wednesday. The heaviest rain will fall Monday afternoon/evening and again late Tuesday night into Wednesday morning with a lull likely on Tuesday.
The storm system will bring quite a substantial amount of snow to the mountains, with snow levels falling below 6000ft Monday night, and below 5000ft Tuesday night. Highest snow totals still found on the higher elevations.
A Winter Storm Watch is in effect for the San Bernardino and Riverside County Mountains from Monday morning until Thursday morning. In addition to heavy snowfall ranging from 4 to 20+ inches depending on elevation, strong winds gusting to 60-70 mph are possible.
Accompanying the incoming storm system, strong winds will pick up across the region on Monday, bringing wind gusts of 30-40 mph to the coasts and inland valleys, with gusts 50-70+ mph in the mountains.
With the strong winds, widespread Wind Advisories are in effect for Monday, with High Wind Watches in effect for the Banning Pass and San Diego County Mountains. Note, the Winter Storm Watches for the Riverside and San Bernardino County mountains cover the strong winds expected there as well. These hazards are in effect for late Monday morning through Monday evening.

 

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