Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

Overview

Severe thunderstorms developed along the Missouri River Valley and northwest Iowa during the afternoon of June 29, 2017. These storms produced large hail, damaging winds from 60 to 85 mph. The strongest wind gust was reported at Yankon Airport with 82 mph. The largest hail reported was softball size (4.5") near Sergeant Bluff, Iowa. There were two brief tornadoes south of the Missouri River in Nebraska. Also, funnel clouds were reported around the Sioux City area.

Photos & Video
Radar
Storm Reports

Photos & Video:

Large Hail near Avon, SD

(Photo Courtesy of Amanda Gimbel)

Large Hail near Lewis and Clark State Recreation Area west of Yankton, SD

(Photo Courtesy of Linda Anderson)

Large Hail near Lewis and Clark State Recreational Area west of Yankton, SD

(Photo Courtesy of Shayla Barr)

Large Hail south of Yankton, SD

(Photo Courtesy of James Schindler)


All warnings issued by the NWS Sioux Falls, North Platte, Omaha, and Des Moines.	Storm Structure near Ponca, Nebraska	Storm Structure near Yankton, South Dakota