Earliest and Latest Snowfalls in Olney History

This is a list of the earliest and latest times in the year when snow was recorded in Olney, Illinois. It is based on NOAA data from the years 1893–2024.

What's the Earliest it has Snowed in Olney?

The earliest in the season it has snowed in Olney, Illinois is October 23 which happened in 1917.

What's the Latest it has Snowed in Olney?

The latest in the season it has snowed in Olney, Illinois is April 24 which happened in 1910.

Earliest Snowfalls

Date	Year	Snowfall
October 23	1917	1.5 inches
October 28	1925	1.2 inches
October 28	1910	0.2 inches
October 29	1913	1.0 inches
October 30	1993	1.0 inches
October 30	1925	1.0 inches
November 2	1966	0.3 inches
November 3	1997	0.5 inches
November 3	1899	0.4 inches
November 5	1896	4.4 inches
November 6	1971	1.3 inches
November 7	1991	2.0 inches
November 9	1943	0.1 inches
November 10	1894	0.3 inches
November 11	1932	1.4 inches
November 11	1911	2.0 inches
November 12	2022	0.5 inches
November 12	2019	3.1 inches
November 13	2022	2.0 inches
November 13	1997	3.0 inches

Latest Snowfalls

Date	Year	Snowfall
April 24	1910	1.7 inches
April 16	1961	1.0 inches
April 16	1905	0.4 inches
April 15	1907	0.4 inches
April 14	1893	3.4 inches
April 12	1940	0.3 inches
April 12	1907	0.1 inches
April 12	1900	0.4 inches
April 10	1973	1.0 inches
April 9	1938	1.5 inches
April 9	1917	5.0 inches
April 8	1917	1.0 inches
April 6	1971	4.0 inches
April 3	1936	0.4 inches
April 2	1899	3.3 inches
April 1	1924	0.2 inches
April 1	1899	0.7 inches
March 31	1926	0.1 inches
March 31	1924	0.2 inches
March 31	1911	0.2 inches