National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Weather History Archive

Weather History - June 20th

June 20th, 1957:

An F2 tornado moved ENE from near Rockham to near Athol and Ashton. The storm destroyed a mobile home near the start of the path, killing one person. Four barns were damaged, and one house was unroofed.

Also on this day, an F5 tornado cut a swath through Fargo, North Dakota, killing 10 and injuring at least 103 people. The tornado was the northernmost confirmed F5 until the Elie, Manitoba tornado on June 22nd, 2007.

June 20th, 1989:

A meteorological "hot flash" hit Pierre. Descending air from collapsing thunderstorms caused the temperature to warm from 86 degrees at midnight to 96 at 1 a.m. and 104 at 2 a.m. Pierre's record high for the date was 105 degrees in 1974.