Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

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Last Map Update: Thu, Jun 18, 2026 at 9:40:22 pm PDT

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

Red Flag Warning

Lake Wind Advisory

Wind Advisory

Beach Hazards Statement

Lake Wind Advisory for San Luis Reservoir

Dry Thunderstorms - Thursday

Slight chance For Sierra Nevada Thunderstorms

Dry Thunderstorms - Friday

We Are Hiring!

Thursday, June 18, 2026 @ 3:50 AM PDT - Wind gusts up to 40 mph will cause cresting, whitecap waves hazardous to small watercraft on San Luis Reservoir through early Friday morning. Travel along CA-152 between Interstate 5 and Pacheco Pass will also be difficult for high-profile vehicles. Use extra caution if traveling to and recreating at San Luis Reservoir!

15%-25% Probability of Thunderstorms developing, producing less than a tenth of an inch of rain. Thus, Dry Lightning is a Hazard for Fire Weather.

11:30 AM PDT Thurs 6/18/26: 15 to 25% chance for afternoon and evening thunderstorms across the Sierra Nevada through Friday. Dry lightning is a concern with strong winds.

15%-25% Probability of Thunderstorms developing Friday, producing less than a tenth of an inch of rain. Thus, Dry Lightning is a Hazard for Fire Weather.

We are now hiring early-career meteorologists at most offices across the country! Through an improved, streamlined hiring process, eligible candidates will be entered into pools to be continually considered for vacancies. Interested? Here’s what you need to know: ➡️This large hiring push is split between offices in the following three vacancy announcements on USAJobs: ▶️ Possible recruitment incentives: https://www.usajobs.gov/GetJob/ViewDetails/867259300 (We are listed as San Joaquin CA) ▶️ Eastern: https://www.usajobs.gov/GetJob/ViewDetails/867260400 ▶️ Western: https://www.usajobs.gov/GetJob/ViewDetails/867260700 ✅You can apply to each vacancy group ✅You can select up to five locations for each announcement 📋Eligibility is determined through a USA Hires assessment ⏳Closes September 30, 2026 - but apply early to increase your chances!