Earliest and Latest Snowfalls in Missoula History

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

What's the Earliest it has Snowed in Missoula?

The earliest in the season it has snowed in Missoula, Montana is September 15 which happened in 1965.

What's the Latest it has Snowed in Missoula?

The latest in the season it has snowed in Missoula, Montana is June 11 which happened in 2008.

Earliest Snowfalls

Date	Year	Snowfall
September 15	1965	0.2 inches
September 19	1983	0.4 inches
September 21	1926	0.2 inches
September 23	1934	1.5 inches
September 24	1972	0.2 inches
September 29	2019	1.7 inches
October 2	2017	0.1 inches
October 2	1950	0.1 inches
October 5	1976	0.4 inches
October 5	1974	0.2 inches
October 5	1948	0.3 inches
October 5	1914	10.0 inches
October 6	1990	0.1 inches
October 6	1985	0.5 inches
October 6	1925	0.5 inches
October 6	1914	5.0 inches
October 7	1985	3.0 inches
October 7	1893	1.8 inches
October 9	2009	1.0 inches
October 9	1905	1.0 inches

Latest Snowfalls

Date	Year	Snowfall
June 11	2008	0.2 inches
June 4	2001	0.7 inches
May 31	1988	0.4 inches
May 25	1953	3.0 inches
May 24	1978	0.8 inches
May 24	1953	0.3 inches
May 23	1980	1.0 inches
May 23	1978	7.3 inches
May 20	1953	0.1 inches
May 18	1896	0.3 inches
May 17	2017	2.7 inches
May 17	1896	0.2 inches
May 16	1959	1.3 inches
May 14	1986	0.2 inches
May 14	1955	0.5 inches
May 13	1986	0.2 inches
May 11	2014	0.1 inches
May 11	1970	0.9 inches
May 11	1967	1.2 inches
May 11	1916	1.0 inches