National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. 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