Morning cool gives way to a midweek warmup: highs near 70 today and into the 80s Thursday. A cold front Friday brings a cooler, blustery weekend.

EPA proposed approving Arizona’s interstate transport plan, saying modeled contributions fall below the agency's 1‑ppb threshold — even as Phoenix keeps logging unhealthy ozone days. Local advocates and industry are sharply divided.

EPA says pre‑excavation testing at West Lake Landfill is complete, clearing a path for excavation possibly starting in 2027. Local advocates called the milestone a major win.

Morning coastal fog and sunny afternoons. Inland highs near 80°F this week.

A deep, magnitude 7.6 earthquake struck near Tonga on Tuesday. U.S. tsunami centers say Hawaii is not at risk.

A strong warm‑up pushes St. Louis into the low 90s by Thursday. Showers and thunderstorms are likely Thursday night into Friday.

Chilly, sunny start Tuesday in Philadelphia; rain arrives late Thursday into Friday. Small-craft conditions affected coastal waters early.

A flash flood warning for Maui runs through 4:30 a.m. HST after heavy rain. Officials urge moving to higher ground and avoiding flooded roads.

Light rain and gusty south winds will slow Seattle's commute today. Wind advisories and marine gales affect exposed shores.

Rain returns Tuesday with gusty south winds and hazardous coastal seas. Expect wet, slower commutes and gusty afternoon conditions.

Chilly start with a sunny, cool afternoon and highs near 57°F. Late-week temps climb into the 70s–80s, then a strong front brings wind and a frost risk Sunday.

Midweek Las Vegas heat surges into the mid-90s with warm nights and limited overnight relief.

Clear mornings give way to highs near 87°F Tuesday in Sacramento, with a Minor HeatRisk and gusty northerly winds midweek. Call 2-1-1 for cooling centers.