Areas of Thunderstorms and Heavy Rain Across the Country; Heat Wave Begins This Weekend

Widespread showers and thunderstorms, some severe, may bring heavy rain and flash flooding in the central Gulf Coast, Mid-Atlantic, the Upper Midwest, the Great Basin and Southwest. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend. Critical fire weather conditions are expected in the Northwest and Great Basin. Read More >

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Last Map Update: Fri, Jul 18, 2025 at 3:32:10 am PDT

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

Small Craft Advisory

Thunderstorms - High Sierra, Kern Mtns. & Deserts

Probability of Lightning for Friday

Cooler for Much of Next Week

Breezy Next Week

Cold Rivers and Streams Will Be Swift

20% Probability of Thunderstorms through Saturday, especially along the high Sierra of Tulare County, Friday afternoon. Storms may also develop late evening, after midnight and into the morning hours.

Especially along the high Sierra of Tulare County Friday. Storms may also develop after midnight into the morning hours. Expect frequent lightning small hail, erratic wind gusts to around 40 mph and dry lightning. There is a 50% Probability for 0.10" of rain or more.

An unusual weather pattern for mid July over the west coast next week, will lead to unseasonably breezy days with high temperatures below 90F in some parts of the north valley.

An unusual weather pattern for mid July will create breezy conditions. This could exacerbate any existing fires or allow new fires to spread more rapidly. Next week will be monitored for an elevated fire weather risk.

If venturing into the rivers and streams, take caution, as the water will be flowing cold and fast! Also be careful not to slip on rocks and other slippery surfaces. Always wear a life vest and bring a life preserver.