National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heat This Weekend

Severe thunderstorms today may produce damaging winds, large hail, tornadoes, and flooding over parts of the Plains into the Missouri Valley. On Sunday, scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity. Hazardous heat will continue in the South, Southwest and central California this weekend building across the Pacific Northwest Sunday. Read More >

This photo of large hail was taken by Spokane 16, Bob Lutz, in Otis Orchards on the afternoon of June 10th, 2003 after the passage of a severe thunderstorm. These ice balls ranged in size from 1 inch to 1 1/2 inches in diameter, or from quarter size to walnut size. A severe thunderstorm produces hail of at least 3/4 inch.

Large Hailstones