All-time weather records — Medicine Lake, MT

Record high
117.0°F
July 5, 1937
Record low
-58.0°F
February 16, 1936
Wettest day
3.70 in
June 27, 1959

Climate change signal in Medicine Lake

10.4%

of Medicine Lake's all-time daily heat records were set in the last decade (38 of 366 records since 2015).

5.7%

of all-time daily cold records were set in the last decade (21 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 #
1910s
19
78
1920s
29
55
1930s
60
34
1940s
37
38
1950s
16
32
1960s
23
31
1970s
13
13
1980s
66
14
1990s
33
23
2000s
23
18
2010s
18
18
2020s
29
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 1911, the latest in 2025. Period of observation: 1911-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 60.1°F — Jan 9, 2002 -51.0°F — Jan 12, 1916 0.64 in — Jan 30, 1926
February 68.0°F — Feb 27, 1932 -58.0°F — Feb 16, 1936 1.20 in — Feb 1, 1911
March 77.0°F — Mar 22, 1928 -38.0°F — Mar 2, 1916 2.00 in — Mar 30, 2010
April 91.9°F — Apr 21, 1980 -15.0°F — Apr 1, 1975 1.68 in — Apr 19, 2006
May 102.9°F — May 26, 1934 8.1°F — May 3, 2005 2.16 in — May 6, 1965
June 107.1°F — Jun 20, 1988 21.9°F — Jun 16, 1915 3.70 in — Jun 27, 1959
July 117.0°F — Jul 5, 1937 30.0°F — Jul 6, 1934 2.65 in — Jul 6, 2009
August 107.1°F — Aug 7, 1949 30.0°F — Aug 22, 1911 1.65 in — Aug 30, 1957
September 100.9°F — Sep 1, 1921 9.0°F — Sep 25, 1926 2.28 in — Sep 13, 1954
October 91.0°F — Oct 1, 1989 -9.9°F — Oct 31, 1935 1.40 in — Oct 13, 2008
November 75.0°F — Nov 1, 1990 -31.0°F — Nov 19, 1921 1.00 in — Nov 6, 1945
December 68.0°F — Dec 5, 1939 -45.9°F — Dec 23, 1983 0.76 in — Dec 31, 1975

Click a month to see every daily record for that month in Medicine Lake.