Here's the latest National Weather Service Forecast
short term forecast
National Weather Service San Diego CA 500 pm pst Mon Jan 18
Riverside County mountains-
Rain will decrease from west to east heading into the evening...
with snow atop Mt. San Jacinto. Isolated showers will continue after 7 pm.
areas of flooding will continue...then begin to recede after 6 pm
as the rain decreases. areas of dense fog will continue
along the west facing slopes. winds will continue strong through 7 pm
with gusts topping 60 mph on the crests and up to 50 mph in the foothills.