July 20, 2009 (San Diego’s East County) – The National Weather Service has issued a severe thunderstorm and flash flood warning for most of San Diego County including inland valleys, mountains, deserts and coastal areas. Orange, Riverside and San Bernadino Counties are also affected.
Isolated thunderstorms and hail are forecast in the deserts for tonightl, followed by locally heavy rain and runoff that could product flash flooding southeast of Mount Laguna.
Tuesday through Sunday, the forecast is for continued hot weather. Residents are urged to stay hydrated to avoid heat exhaustion and avoid strenuous outdoor activity during the warmest part of the day. A slight chance of thunderstorms will continue Thursday through Sunday, primarily in the mountains and deserts.
Weather spotters are encouraged to report significant weather conditions observed.