A towering cloud such as this may form over the Sierra this weekend. Thunderstorms often form over the mountain range this time of year.
A towering cloud such as this may form over the Sierra this weekend. Thunderstorms often form over the mountain range this time of year. KURT HEGRE Fresno Bee Staff Photo
A towering cloud such as this may form over the Sierra this weekend. Thunderstorms often form over the mountain range this time of year. KURT HEGRE Fresno Bee Staff Photo

Much cooler weather in Valley, thunderstorms predicted over Sierra

June 09, 2016 05:11 PM