On This Day in Iowa Weather History
2002: A very severe thunderstorm tracked east across portions of Jones and Jackson counties during the early afternoon hours, producing a combination of large hail and strong winds that caused substantial damage. The city of Maquoketa was particularly hard hit with multiple reports of baseball sized hail along with 70 to 80 mph wind gusts. The hail fell for nearly 20 minutes, severely damaging more than a thousand vehicles and many roofs. Damages in Maquoketa alone were estimated at 20 million dollars.
1938: Unseasonably cool weather settled across Iowa on September 18-19, with temperatures dropping into the 30s at many locations on each day. Flurries were observed on the 18th at Orleans near the Appanoose/Davis county border and on the 19th at Maquoketa, making this one of the earliest fall snow events on record in Iowa.
1926: Very heavy rain fell across most of Iowa on September 17-18 with astounding amounts recorded in the far northwest. At Boyden an unofficial 24 hour accumulation of 21.70 inches was reported establishing the unofficial single day rainfall record for Iowa, with 15.1 inches of that total falling in just six hours. At Sioux Center an official 24 hour total of 11.66 inches was reported with 11.52 inches of that falling in 14 hours and 30 minutes. At Hawarden 10.19 inches fell in less than 30 hours with 7.30 inches of that falling in 5 hours and 30 minutes. Widespread flooding and flash flooding occurred and at Hawarden water 3 to 4 feet deep ran through the city washing out bridges and roads, flooding the entire business district and over 200 homes, and causing numerous fatalities.
1895: A late summer heat wave brought the temperature all the way up to 101 F at Sioux City which set their daily record and is also the latest occurrence of a 100 degree temperature on record at that location. Other reported high temperatures included 100 F at Keosauqua, 97 F at Atlantic and Corning, 96 F at Onawa, 95 F at Glenwood, Logan, and Keokuk, and 94 F at Des Moines and Rockwell City.
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The "On This Day in Iowa Weather History" feature contains some memorable weather events and trivia from the early 1800's to the present day for Iowa. Many sources were used to research and compile the data and the above information may represent official, unofficial, or estimated values. As noteworthy weather events occur, they will be added to the database.