...1877... A "terrific" two day long sandstorm (sand) blasted Yuma AZ. (28th-29th)
...1900... The low temperature dipped to 40 degrees at Newport, Rhode Island, breaking the record of 48 degrees set in 1894.
...1907... At Newport, Rhode Island the wind chill was a cold 37 degrees, setting the record low for the date.
...1931... The mercury soared to 90 degrees at Newport, Rhode Island, setting the record high for the date. The previous record was 86 degrees set in 1919.
...1951... A massive hailstorm, from Wallace to Kearney County in Kansas, caused six million dollars damage to crops.
...1953... A tornado, 600 yards wide at times, killed two persons on its 20 mile path from southwest of Fort Rice ND into Emmons County. Nearly every building in Fort Rice was damaged. The Catholic church was leveled, with some pews jammed four feet into the ground.
...1982... Marion, Illinois was devastated by a tornado rated F4 on the Fujita scale. 10 people were killed, 181 injured, and damage was estimated at 93 million dollars.
...1987... Thunderstorms in West Texas produced softball size hail at Lamesa, and hail up to twelve inches deep east of Dimmitt. Thunderstorms also spawned seven tornadoes in West Texas, including one which injured three persons at Wolfforth. Thunderstorms deluged the Texas Hill Country with up to eleven inches of rain. Severe flooding along the Medino, Hondo, Seco, Sabinal and Frio rivers caused more than fifty million dollars damage.
...1988... A powerful cold front brought snow and high winds to parts of the western U.S. Austin NV was blanketed with ten inches of snow, and winds gusted to 75 mph at the Mojave Airport in California. Strong southerly winds and unseasonably warm weather prevailed in the north central U.S. Glasgow MT equaled their record for the month of May with a high of 102 degrees.
...1989... Wintry weather gripped parts of the northwestern U.S. for the second day in a row. Great Falls MT was blanketed with 12 inches of snow, which pushed their total for the winter season to a record 117.4 inches. Six inches of snow whitened the Cascade Mountains of Oregon. (The National Weather Summary) (Storm Data)
...1990... Afternoon and evening thunderstorms produced severe weather from north central Colorado to the northern half of Texas. Severe thunderstorms spawned four tornadoes, and there were seventy reports of large hail or damaging winds. Midday thunderstorms produced wind gusts to 90 mph at Hobart OK, and produced up to three and a half inches of rain in eastern Colorado in four hours. (The National Weather Summary) (Storm Data)
...1995... An F3 tornado ripped through Great Barrington, Massachusetts, killing 3 people, injuring 24, and doing $25 million in damage. Debris were carried for more than 45 miles.
Record heat prevailed across the western High Plains. The following cities recorded their all-time record high temperature for May -- Goodland, Kansas 103 degrees, Pueblo, Colorado 102 degrees, Grand Junction, Colorado 101 degrees, Cheyenne, Wyoming 91 degrees, and Alamosa, Colorado 89 degrees.