Houston’s Monday forecast pairs a heat index up to 109 with afternoon storm chances. Hot weather sticks around most of the week.

Coughing beachgoers and dead menhaden prompted state testing near Crystal Beach, with toxin patches now confirmed across Galveston Island.

Houston faces a Sunday Heat Advisory with a heat index near 109 and scattered afternoon storms. Another hot week is already lining up.

Houston could feel like 109 degrees Saturday before scattered afternoon storms roll in. More low-90s heat and daily rain chances are lined up for next week.

Houston’s clear Friday morning is expected to give way to thunderstorms, heavy rain and heat-index readings near 103. More pop-up storms and sticky heat are headed into the weekend.

Houston starts Thursday clear and calm before scattered storms return by late morning. The hot, humid pattern continues into the weekend.

Houston gets a calm start Wednesday, but showers and thunderstorms return by morning and remain possible through Tuesday.

Houston will hit 93 Tuesday with a heat index near 105 before storm chances rise sharply Wednesday and continue through the weekend.

A shopper's photo outside Neiman Marcus captured a rare circumhorizontal arc arcing over Houston's biggest mall.

Houston's Labor Day starts clear and calm before temperatures climb and scattered storms develop later in the afternoon. Rain chances rise sharply by Wednesday.

Videos show dozens of dead fish floating near the University of Houston medical branch, but wildlife officials say it's not pollution.

Houston starts Saturday clear and calm before afternoon storms arrive. Sunday looks hotter, stormier and capable of producing brief heavy downpours.

Groundbreaking begins Sept. 14 on a rooftop solar array meant to power roughly 500 homes and cut bills for 10,000 Harris County families.