Hurricane Lowell to Impact Kauai; Heat Continues in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai today. Impacts such as high surf and heavy rain could impact all of the islands. A Hurricane Warning is in effect for Kauai, Niihau and the surrounding coastal waters. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest this week with limited nighttime relief. Read More >

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Last Map Update: Tue, Sep 8, 2026 at 12:48:22 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Extreme Heat Warning

Heat Advisory

Coastal Flood Advisory

Small Craft Advisory

Beach Hazards Statement

Heat Advisory: Wednesday through Thursday

Minor Coastal Flooding

⚠️ HEAT ADVISORY: Wednesday 10 AM through Thursday 10 PM ⚠️ A Heat Advisory has been issued for the San Francisco Bay Area and Central Coast as hot conditions peak mid-week. Forecast Details: Interior Highs: 90°F to 105°F Coastal Highs: Mid-70s to low-90s Overnight Lows: Mid-60s to low-70s, with higher elevations remaining elevated in the 70s to 80s, offering little overnight relief. Impacts: Heat illness risk will be elevated for anyone spending prolonged time outdoors, particularly during peak afternoon hours or while performing physical exertion. Heat Safety Tips: Drink plenty of water or sports drinks throughout the day—don't wait until you're thirsty. Take frequent breaks in air conditioning or shade. Shift outdoor activities to cooler morning or evening times. Look before you lock: Never leave people or pets inside an unattended vehicle!

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Hurricane Lowell to Impact Kauai; Heat Continues in the South-Central U.S.

NWS Forecast Office San Francisco, CA