1989: A storm in the western U.S. produced up to three feet of snow in the mountains around Lake Tahoe, with 21 inches reported at Donner Summit. Thunderstorms in northern California produced 3.36 inches of rain at Redding to establish a 24 hour record for October, and bring their rainfall total for the month to a record 5.11 inches. Chiefly "Indian Summer" type weather prevailed across the rest of the nation. Fifteen cities in the north central U.S. reported record high temperatures for the date as readings soared into the 70s and 80s. Record highs included 74 degrees at International Falls, Minnesota and 86 degrees at Yankton, South Dakota. Record highs also occurred across parts of central and northeast South Dakota. The record highs were 80 degrees at Mobridge and Sisseton, 83 degrees at Aberdeen, and 84 degrees at Pierre.

1933: A London High Fog settled over the city causing "midnight at mid-day" as a temperature inversion formed, trapping fog and smoke beneath it. The sun turned yellow, red, and sometimes disappeared. A pilot said it looked like a huge black mushroom shrouding the city.

1992: Near Flagstaff, AZ, three tornadoes touched down. One tornado tracked across the Crater National Monument.

2002: Visibility was reduced to less than 100 meters during the Australian Dust Storm. It was the worst dust storm in 30 years.