This Day in Weather History September 6
1969: A severe thunderstorm struck northwestern and central Iowa with 85 mph wind gusts producing extensive damage at Ames and large hail falling from Fonda to Rockwell and from Ames to Huxley and Slater. Hail stones as large as 2 inches in diameter were reported and crop losses were in the millions.
1939: Very hot weather sent the temperature all the way up to 107 F at Logan tying the all-time Iowa September mark which would be tied again just the following day. Other high temperatures on the 6th included 106 F at Little Sioux, 104 F at Shenandoah, 103 F at Fort Dodge and Sioux City, and 102 F at Atlantic, Belmond, Carroll, and Guthrie Center.
1939: An unseasonably strong heat wave settled across Iowa from September 3-7. Des Moines set its all-time September record with a high of 101 F on the 3rd, reached 100 F on the 6th, then tied the record with 101 F again on the 7th. These are the only occasions of triple digit heat on record at Des Moines in the month of September. Also on the 6th Logan tied the all-time Iowa September record with a high of 107 F, which would be tied again just the following day. Other high temperatures on the 6th included 106 F at Little Sioux, 104 F at Shenandoah, and 103 F at Fort Dodge and Sioux City