Santa Ana Winds Expected To Diminish In Santa Clarita Weather Forecast Santa Ana Winds are expected to start diminishing in the Santa Clarita weather forecast Wednesday resulting in electricity returning to residents. Winds are expected to peak Wednesday morning but are predicted to start diminishing by the afternoon, said Rich Thompson, a meteorologist with the National Weather Service. “We are definitely having less wind today than yesterday,” Thompson said. Through Wednesday morning, conditions are expected to be gusty, with wind gusts predicted to be 25 to 40 mph, according to Thompson. By Wednesday evening into Thursday morning, gusty winds are set to expire, according to officials.