Triple‑digit feels and a chance of late‑day storms could complicate Fourth‑of‑July plans in Memphis.

CalEnviroScreen 5.0 adds small‑air toxic site and diabetes indicators that could shift which California neighborhoods qualify as disadvantaged and where climate dollars flow.

Morning drizzle gives way to dangerous heat Saturday. Heat Advisory through 8:00 PM CDT with afternoon storms possible.

Extreme Heat Warning keeps St. Louis sweltering on July 4 with heat‑index readings near 105°F. Scattered afternoon storms could bring gusty winds and heavy rain.

Cool, cloudy coast for San Diego on Saturday, July 4, 2026, with inland highs near 75°F. Fireworks may create brief smoke and reduce visibility along the waterfront tonight.

Sunny returns to Portland with highs near 81°F today; pockets of 90°F are possible Monday along the I‑5 corridor. Check cooling centers and river safety tips.

Patchy fog this morning, then scattered showers and thunderstorms later on Saturday, July 4. Highs near 80°F; lightning and brief gusts possible.

Phoenix nears 105°F on July 4. An NWS Extreme Heat Watch runs July 7–9 with highs of 111–116°F; call 2-1-1 for cooling centers.

Morning fog gives way to sun and highs near 68°F. Afternoon gusts may make waterfronts feel cooler; mariners should note a small-craft advisory.

Morning clouds give way to mostly sunny skies with highs near 72°F. Boaters should watch for small craft advisories as seas build.

Belmont shifted its July 4 cooling center to the Morrissey Hall room at the Belmont Public Library as an extreme heat watch affects the region.

Con Edison temporarily cut power to about 9,800 customers in southwest Queens during Friday's heat wave. Crews set up dry ice distribution and city cooling centers for those affected.

A faint, camera-visible aurora briefly appeared over West Seattle late Friday after a strong solar flare and a NOAA geomagnetic watch. More short displays are possible over the holiday weekend.