On average, a new plume or layer arrives in the Western Hemisphere about once a week or every other week, but their density can significantly vary. The Saharan Desert lifts dust from spring to fall, with the peak activity happening between June and mid-August. Record-size dust plume captured on models and satellites in July 2024. […]

Tonight: Scattered thunderstorms, then mostly cloudy skies. Low 75. Tomorrow: Clouds and sun. Late morning showers possible. High 92. Scattered to numerous afternoon and evening thunderstorms. Pockets of heavy rainfall are possible. Tomorrow night: Thunderstorms early, then partly cloudy skies. Low 75.

Today: A mix of sun and clouds. High 93. Heat index between 100 and 105. A few afternoon showers, with a better chance for evening thunderstorms. Tonight: Thunderstorms early, then mostly cloudy skies. Low 75. Tomorrow: Clouds and sun with an increasing chance for thunderstorms during the late morning onward. High 92.

Tonight: Partly cloudy and warm. Low: 76. Saturday: Mostly sunny early with increasing afternoon clouds. Showers and thunderstorms are likely. High: 94. Saturday night: Mostly cloudy with showers and thunderstorms likely. Low: 75.

Today: Heat Advisory in effect. Sunny and hot. High 95. Heat index near 105. An isolated late afternoon shower is possible. Tonight: Mostly clear skies. Low 76. Tomorrow: Sun and clouds. High 94. Scattered to numerous afternoon and evening storms.

Tonight: Mostly clear and warm. Low: 76. Friday: Heat advisory in effect. Mostly sunny and hot. An isolated afternoon thunderstorm is possible. High: 95. Heat index values over 108 are likely. Friday night: Partly cloudy. Warm. Low: 76.

According to National Weather Service figures, heat killed 199 Americans last year. That is more than double the second leading cause of weather-related deaths in the United States, flooding, which killed 89 Americans in 2024. The danger posed by weather events like tornadoes, hurricanes and lightning is straightforward, but many people do not accurately perceive […]

Today: Heat Advisory in effect. Sunny and hot. High 96. Heat index as high as 105. An isolated afternoon shower is possible. Tonight: Partly cloudy and mild. Low 76. Tomorrow: Sunny and hot. High 95. A few afternoon showers.