All-time weather records — Three Forks, MT

Record high
109.0°F
July 22, 1931
Record low
-54.9°F
December 31, 1927
Wettest day
2.90 in
February 14, 2007

Climate change signal in Three Forks

2.5%

of Three Forks's all-time daily heat records were set in the last decade (9 of 366 records since 2015).

6.6%

of all-time daily cold records were set in the last decade (24 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1920s
70
33
1930s
122
38
1940s
15
40
1950s
28
47
1960s
26
41
1970s
15
36
1980s
35
45
1990s
24
30
2000s
17
25
2010s
6
19
2020s
8
12

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1923, the latest in 2022. Period of observation: 1922-2023.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 29, 1935 -42.0°F — Jan 26, 1957 0.96 in — Jan 3, 2002
February 75.9°F — Feb 27, 1932 -40.0°F — Feb 9, 1933 2.90 in — Feb 14, 2007
March 78.1°F — Mar 30, 1978 -34.1°F — Mar 4, 2019 0.90 in — Mar 4, 2018
April 90.0°F — Apr 8, 1930 -5.1°F — Apr 5, 1936 1.58 in — Apr 30, 1951
May 96.1°F — May 19, 1954 19.9°F — May 2, 1954 2.00 in — May 25, 1980
June 102.9°F — Jun 17, 1930 30.0°F — Jun 3, 1951 1.67 in — Jun 3, 1953
July 109.0°F — Jul 22, 1931 32.0°F — Jul 8, 1981 2.21 in — Jul 23, 2005
August 106.0°F — Aug 29, 1924 27.0°F — Aug 25, 1992 1.61 in — Aug 21, 1954
September 100.0°F — Sep 1, 1929 12.9°F — Sep 25, 1926 1.70 in — Sep 30, 1977
October 93.9°F — Oct 16, 1926 -11.0°F — Oct 26, 2020 1.22 in — Oct 27, 2015
November 77.0°F — Nov 12, 1999 -25.1°F — Nov 13, 1959 1.60 in — Nov 23, 2002
December 68.0°F — Dec 1, 2021 -54.9°F — Dec 31, 1927 2.00 in — Dec 13, 2006

Click a month to see every daily record for that month in Three Forks.