All-time weather records — St. Anthony, ID

Record high
100.0°F
June 26, 1988
Record low
-40.0°F
December 22, 1990
Wettest day
2.00 in
March 28, 1998

Climate change signal in St. Anthony

6%

of St. Anthony's all-time daily heat records were set in the last decade (22 of 366 records since 2015).

1.9%

of all-time daily cold records were set in the last decade (7 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 #
1890s
20
9
1910s
·
5
1940s
55
37
1950s
65
49
1960s
45
36
1970s
15
45
1980s
64
74
1990s
48
83
2000s
25
18
2010s
16
8
2020s
13
2

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 1895, the latest in 2026. Period of observation: 1895-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 52.0°F — Jan 23, 1981 -33.0°F — Jan 19, 1963 1.50 in — Jan 10, 1995
February 60.1°F — Feb 6, 1963 -34.1°F — Feb 2, 1985 0.86 in — Feb 2, 1945
March 73.9°F — Mar 29, 1986 -20.9°F — Mar 1, 1993 2.00 in — Mar 28, 1998
April 84.9°F — Apr 28, 1987 1.0°F — Apr 1, 1975 1.30 in — Apr 21, 1999
May 90.0°F — May 29, 2003 10.0°F — May 21, 1984 1.36 in — May 20, 2016
June 100.0°F — Jun 26, 1988 23.0°F — Jun 3, 1951 1.90 in — Jun 17, 2018
July 98.1°F — Jul 11, 1946 23.0°F — Jul 8, 1895 1.56 in — Jul 17, 1967
August 98.1°F — Aug 9, 1990 21.9°F — Aug 26, 1992 1.40 in — Aug 4, 1951
September 95.0°F — Sep 2, 1948 12.9°F — Sep 21, 1895 1.65 in — Sep 24, 2016
October 86.0°F — Oct 2, 1992 1.0°F — Oct 28, 2019 1.90 in — Oct 1, 2023
November 77.0°F — Nov 4, 1949 -20.9°F — Nov 25, 1993 1.50 in — Nov 8, 1998
December 66.0°F — Dec 3, 1989 -40.0°F — Dec 22, 1990 1.50 in — Dec 23, 2015

Click a month to see every daily record for that month in St. Anthony.