RIVERSIDE Fire danger never takes a holiday, and Christmas day will be no exception Tuesday as high winds and low humidities combine to raise the risk of brush fires.
The National Weather Service issued a red flag warning for the Riverside County valleys and mountains, indicating that weather conditions will be create a heightened wildfire threat.
The warning will begin at 4 a.m. and is scheduled to expire at 6 p.m. Tuesday.
According to the Weather Service, Santa Ana winds will begin blowing through the area at 30 to 40 mph, with gusts possibly reaching 70 mph through mountain canyons and passes.
Winds will increase tonight, with the strongest winds expected late tonight through Tuesday morning near the Cajon Pass and in the Santa Ana Mountains, according to an NWS advisory. The winds will gradually decrease on Tuesday afternoon.
The Weather Service noted that humidities will drop below 15 percent in most areas.
High temperatures in the area Tuesday are expected to range from the mid-60s to 1970s.