Clear skies give way to a triple-digit El Paso stretch, with highs reaching 102°F by Thursday.

The 1,900-person town says a battery plant on an old junkyard threatens wells and wetlands tied to the Quabbin. State regulators disagree.

Phoenix faces another week of dangerous heat, with highs near 110 degrees and an Extreme Heat Warning through Friday.

Downtown Los Angeles could hit 91 degrees Thursday as a hot, mostly sunny stretch settles in. Mild nights and late fog offer only limited relief.

Charlotte faces a 98°F afternoon and heat index up to 107 Monday, with a Heat Advisory lasting through the evening. Storm chances rise later this week.

Seattle should clear out fast Monday, with a sunny 78-degree afternoon. A cooler, slightly wetter weekend is waiting in the wings.

Portland starts Monday cloudy before clearing to 84 degrees. Warm, dry weather holds through Thursday before a cooler weekend arrives.

Salt Lake City is headed for a hot, dry week, with highs nearing 100°F before storm chances increase this weekend.

Denver starts the week near 90 degrees, heats up Tuesday and faces its best chance for storms Wednesday.

Chicago gets a cool, mostly dry Monday before a warmer Tuesday brings thunderstorms and a potential severe-weather and flash-flooding risk.

Milwaukee gets a mostly sunny Monday near 80 degrees before showers and thunderstorms return Tuesday afternoon and evening.

Nashville faces upper-90s heat and a heat index up to 113 degrees Monday. A brief cooldown arrives Tuesday before the heat rebounds.

New Orleans faces a 96-degree high and heat index up to 115 Monday, with afternoon storms possible. More dangerous heat is expected through the week.