From NWS
1938: Unseasonably hot weather brought the temperature all the way up to 97 F at Knoxville tying the all-time Iowa October record that had also been reached at Onawa just the previous day. Other reported high temperatures on the 4th included 96 F at Bloomfield, 95 F at Shenandoah and Sigourney, 94 F at Albia, 93 F at Fairfield, Iowa City, Little Sioux, and Marshalltown, and 92 F at Des Moines, Grinnell, and Sioux City.

This Day in National/World Weather History …

4 October 1777 → The Battle of Germantown was fought in a morning fog that grew more dense with the smoke of battle, causing great confusion. Americans firing at each other contributed to the casualties during the battle. 4 October 1987 → Southern California experienced temperatures well over 100F in the afternoon. On the same day, 18 inches of wet, heavy snow fell from eastern New Yorkinto New England. 4 October 1995 → Hurricane Opal, a Category 4 storm when it was over the open Gulf of Mexico, brought 10 to 15 inches of rain to Alabama and the Florida panhandle.

Posted under Weather History