Number of Days of 100 °F in Great Falls by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Great Falls, Montana, between 1892 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 2003 holds the record for the most 100 °F days in Great Falls history. There were 8 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Great Falls so far in 2024. As of April 26, the highest temperature this year is 74 °F.

The last time it reached at least 100° F was August 17, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	55	0
2023	9	3
2022	7	4
2021	55	0
2020	55	0
2019	55	0
2018	32	1
2017	32	1
2016	55	0
2015	32	1
2014	55	0
2013	32	1
2012	32	1
2011	55	0
2010	55	0
2009	55	0
2008	55	0
2007	3	7
2006	32	1
2005	55	0
2004	55	0
2003	1	8
2002	9	3
2001	32	1
2000	16	2
1999	55	0
1998	55	0
1997	55	0
1996	32	1
1995	55	0
1994	55	0
1993	55	0
1992	55	0
1991	55	0
1990	9	3
1989	55	0
1988	55	0
1987	55	0
1986	55	0
1985	16	2
1984	16	2
1983	16	2
1982	55	0
1981	32	1
1980	55	0
1979	32	1
1978	55	0
1977	55	0
1976	55	0
1975	16	2
1974	55	0
1973	16	2
1972	55	0
1971	7	4
1970	9	3
1969	16	2
1968	55	0
1967	55	0
1966	55	0
1965	32	1
1964	32	1
1963	32	1
1962	55	0
1961	9	3
1960	9	3
1959	55	0
1958	55	0
1957	55	0
1956	55	0
1955	55	0
1954	55	0
1953	16	2
1952	55	0
1951	55	0
1950	55	0
1949	32	1
1948	55	0
1947	55	0
1946	55	0
1945	55	0
1944	55	0
1943	55	0
1942	55	0
1941	55	0
1940	16	2
1939	16	2
1938	55	0
1937	32	1
1936	6	5
1935	16	2
1934	16	2
1933	4	6
1932	32	1
1931	4	6
1930	16	2
1929	16	2
1928	32	1
1927	55	0
1926	32	1
1925	32	1
1924	55	0
1923	55	0
1922	55	0
1921	32	1
1920	55	0
1919	1	8
1918	55	0
1917	16	2
1916	55	0
1915	55	0
1914	55	0
1913	55	0
1912	55	0
1911	55	0
1910	55	0
1909	55	0
1908	32	1
1907	55	0
1906	55	0
1905	55	0
1904	55	0
1903	55	0
1902	55	0
1901	55	0
1900	32	1
1899	55	0
1898	55	0
1897	55	0
1896	32	1
1895	55	0
1894	55	0
1893	9	3
1892	16	2

Weather Station Details

Years	Station	Coordinates
1937–2024	Great Falls International Airport	location
1892–1937	Great Falls 16th Street	location