On Tuesday at 5:57 a.m. a winter storm watch was issued by the National Weather Service in effect until Friday, Mar. 7 at 10 a.m. for Riverside County Mountains. “Heavy snow possible.

The National Weather Service issued a winter storm watch at 1:03 p.m. on Monday valid from Wednesday 7 p.m. until Friday, Mar. 7 at 9 a.m. for San Bernardino County Mountains. “Heavy snow possible.