(FOX40.COM) — Several Northern California residents were surprised by the sounds of water drumming on their roofs and windows on Saturday afternoon.
Around 1:30 p.m., sprinkles turned into downpours in the Sacramento Valley for several minutes. Officials said the summer storm is unusual for August.
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“Isolated showers and thunderstorms continue across the Valley, primarily north and along I-80,” the National Weather Service said on social media . “Heaviest rainfall amounts are expected from south of Lake Oroville toward Grass Valley and Blue Canyon.”
Going into Saturday, the Sacramento Valley only had a 20-40% chance of rain forecast, however, the rain prompted flash flood warnings for several areas. The warning is in effect until 7 p.m. for the Park Burn Scar; Big Chico Creek, Mud Creek, Rock Creek, Pine Creek, Deer Creek, Mill Creek, Antelope Creek, and Paynes Creek.