Great Falls Longest Rain Streaks

What's the most days it has rained in a row in Great Falls history? This page shows the most consecutive days with precipitation (rain or snow) in Great Falls, Montana from 1892–2024.
Longest Streak: 18 Days
Between May 17 – Jun 3, 1927, there was at least 0.01 inches of rain or 0.1 inches of snow recorded each day in Great Falls.
# Days When
18 May 17 – Jun 3, 1927
14 Jun 7–20, 1998
13 May 25 – Jun 6, 1908
13 May 19–31, 1906
12 Dec 18–29, 1996
11 Jun 17–27, 1951
11 Jun 12–22, 1944
10 Oct 16–25, 2020
10 Feb 5–14, 1958
10 May 28 – Jun 6, 1898
10 May 30 – Jun 8, 1897
9 Nov 15–23, 2010
9 Feb 2–10, 2003
9 Dec 13–21, 1989
9 Jan 11–19, 1984
9 Oct 29 – Nov 6, 1973
9 Jan 5–13, 1971
9 Sep 15–23, 1945
9 May 31 – Jun 8, 1945
9 May 15–23, 1902
Weather Station Details
Years Station Coordinates
1937–2024 Great Falls International Airport location
1892–1937 Great Falls 16th Street location