A massive cloud of Sahara dust is blanketing the Caribbean as it heads to the U.S. with a size and concentration that experts say hasn’t been seen in half a century.

This year's fire season has been stronger than normal, according to the Utah Division of Natural Resources. Authorities are asking the public to stay vigilant and do its part to keep wildfires from starting.

Tropical Storm Cristobal has crashed ashore in Louisiana, and the lopsided storm is also bringing high wind and drenching rains to nearby areas of Mississippi and Alabama.

A re-energized Tropical Storm Cristobal advanced toward the U.S. Gulf Coast early Saturday, bringing with it the heavy rains that already caused flooding and mudslides in Mexico and Central America.

Nearly the entire state of Utah is under either a flash flood warning, a red flag warning or a hazardous weather outlook through the weekend.

A rain-swollen river has flooded fields and streets in parts of mid-Michigan after breaching two dams, forcing evacuation orders for thousands.

The first tropical depression of the season formed Saturday afternoon off the east coast of Florida.

Two children hiking in of Utah’s most popular slot canyons were killed after a sudden storm caused flash flooding, washing the girls away. Another hiker, who happened to be a weather researcher, shot video of the flash flood as the water surged.

A tornado warning has been extended along Interstate 84 in southern Idaho, according to the National Weather Service.

The southeastern US is being hit Sunday with another round of severe storms, including damaging winds, hail and possible tornadoes, just a week after more than 100 tornadoes hit the region.