National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >

Great Lakes Beach Hazards

Know Before You Go!

**The 2025 Beach Forecast Season in the Great Lakes has ended. The 2026 Beach Forecast Season will begin just prior to Memorial Day Weekend**

About Great Lakes Beach Forecasts & Statements: Beach forecasts contain a daily swim risk, which is based on that days threat of high waves and dangerous currents. Beach hazard statements provide additional details on high swim risk days. Use the interactive map below to view the beach forecast and Beach Hazard Statements. 

 

Know Your Risk!

Learn About Dangerous Currents

Additional Safety Information

Water Quality

Incident Statistics