Authorities say when the heat index sits between 90°F and 99°F, crews will take a minimum 10-minute break every 2 hours.

Simi Valley Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Simi Valley area.

Award-winning journalist Vicki Gonzalez hosts interviews with community leaders, advocates, experts, artists and more to provide background and understanding on breaking news, big events, politics ...