California Weather - Radar Watch HQ

Heat Wave 2026

Death Valley Extreme Heat Warning — October 5, 2026

Extreme Heat Warning Covers Lower Death Valley An Extreme Heat Warning is in effect for elevations below 2,000 feet in Death Valley National Park on…

Tropical Storm Rachel & Hurricane Polo Bring Southwest Flood Threat — September 28, 2026

Tropical Storm Rachel and Category 3 Hurricane Polo are contributing to a surge of tropical moisture, bringing heavy rain, flooding and coastal impacts to the…

Air Quality Severe Weather Storm Center Thunderstorms

Southern California Weather Alerts: Air Quality, Flash Flood & Thunderstorms — September 24, 2026

Air quality, flash flood and thunderstorm hazards are affecting Southern California on September 24, 2026. See affected areas and essential safety tips.

Power Outages Red Flag Warning

Red Flag Warning Continues Across Sacramento Valley and Foothills as Power Outages Reported — September 13, 2026

Red Flag Warning continues across parts of the Sacramento Valley and foothills as strong winds and low humidity increase wildfire danger and power outages.

Air Quality Dry Thunderstorms Fire Weather 2026 Heat Wave 2026 Severe Weather

Extreme Heat, Poor Air Quality and Fire Weather Threats Across the Southwest — August 28, 2026

Extreme heat, poor air quality, dry lightning and wildfire threats impact Arizona, California and Nevada as dangerous weather conditions continue August 28, 2026.

Cyclone Hurricane Season 2026 Marine Weather HQ Rip Currents/Marine Rough Seas Storm Center Tropical Storms 2026

Post-Tropical Cyclone Iselle: California Coast Braces for Swells and Rip Currents — August 27, 2026

Post-Tropical Iselle is sending swells toward California, increasing surf and rip-current risks. Here’s what beachgoers need to know.

Fire Weather 2026 Heat Wave 2026 Summer Heat

Extreme Heat and Fire Danger Surge Across California — August 27, 2026

Extreme heat and Red Flag Warnings threaten Southern and Central California with dangerous heat, dry lightning, gusty winds and wildfire risk.

Air Quality Weather Watch Wild Fire Smoke

Air Quality Alert for Merced County, California: Smoke Impacts Merced — August 26, 2026

Merced County has an Air Quality Alert due to local fire smoke. Learn about smoke impacts, health risks and safety steps for Merced residents.

Severe Weather Storm Center Summer Heat Summer Thunderstorms

Severe Thunderstorms Hit California and Nevada | Aug. 13

Severe thunderstorms threaten Lyon County, Nevada, and Mono County, California, with lightning, strong winds, hail and heavy rain on August 13, 2026.

Flash Floods 2026 Floods 2026 Heavy Rainfall

Flash Flood Warning Hits South-Central Inyo County, CA – August 11, 2026

Flash Flood Warning issued for south-central Inyo County, California, as heavy rainfall creates dangerous flooding risks. Stay alert and avoid flooded roads.

Air Quality

Imperial County Air Quality Alert: Particle Pollution – August 11, 2026

Imperial County, California, has an Air Quality Alert as particle pollution levels vary by time and location due to emissions and local weather conditions.

Beach Hazards Coastal Flooding Coastal Hazard Floods 2026 SoCal

Southern California Coastal Flood Advisory – August 11, 2026

Coastal Flood Advisories affect Southern California beaches from Santa Barbara to San Diego. Know the coastal flooding risks and safety tips today.

Coastal Flooding Coastal Hazard Heat Advisory Heat Wave 2026

California Heat & Coastal Flood Alerts: August 10, 2026

Coastal Flood Advisories affect Bay Area and Southern California beaches, while Extreme Heat Warnings target California’s Central Valley, deserts and Las Vegas.

Air Quality Heat Advisory Heat Wave 2026 Severe Weather Summer Heat Weather Watch

Double Threat: Extreme Heat Warnings and Air Quality Alerts Sweep the Southwest and California Valleys – July 30, 2026

Dangerous heat waves and fluctuating ozone air quality alerts impact northwest Arizona, southeast California, southern Nevada, the Imperial Valley, San Joaquin Valley, and Maricopa County….