State regulators cleared the ʻAiea Hālawa Shaft to rejoin Pearl Harbor's water system, ending nearly five years of relying on a single well for 93,000 users.

Hawaiian Volcano Observatory says a sluggish lava overflow began Monday afternoon, with full fountaining forecast within days.

San Diego faces an 86-degree Tuesday, dangerous surf and a heat warning that runs through Wednesday. Cooler weather arrives later this week.

San Jose is headed for a hotter Wednesday as a Heat Advisory takes effect. Cooler, sunnier weather arrives by Friday.

Las Vegas temperatures rise from 99 Tuesday to 107 Thursday as an Extreme Heat Warning takes effect. Breezier conditions follow Friday and Saturday.

Sacramento reaches 94 Tuesday before a heat advisory brings near-100-degree temperatures Wednesday and Thursday. A sharp cooldown follows Friday.

Four city buildings will get rooftop solar arrays projected to pay for themselves in about a decade.

Downtown Los Angeles is heading into a humid heat surge, with highs near 95 Tuesday and 98 Wednesday. Cooler weather arrives by the weekend.

New Orleans starts Tuesday with temperatures rising toward 90 degrees, but afternoon storms are back in the forecast. Wednesday and Thursday bring the week’s highest rain chances and a greater risk of localized flooding.

A possible tornado moved through a Walmart parking lot in Hammond, while nearly 5,000 customers were without power.

Oklahoma City will endure another 101-degree afternoon Tuesday, followed by one more scorching day Wednesday. Storms could finally bring a brief cooldown Thursday.

Milwaukee warms Tuesday before storms arrive after dark. Thursday brings a sunnier, cooler reset.

El Paso will reach 96 degrees Tuesday, with a small chance of afternoon storms and gusty winds before another hot stretch through the weekend.