Idaho Falls February 21 Weather Records

Daily averages and all-time records for weather in Idaho Falls, Idaho for the date of February 21.
February 21 All-Time Records
1948–2024
Highest temperature 59 °F 1982
Lowest temperature -12 °F 1975
Lowest daily high 16 °F 1975
Highest daily low 35 °F 1992
Most precipitation 0.20 inches 1977
February 21 Average Weather
1991–2020 1
Average high 35.8 °F
Average low 17.0 °F
Chance precipitation 26.7%
Idaho Falls February 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 42 30 0.00 n/a
2023 40 23 0.04 n/a
2022 31 12 0.00 n/a
2021 31 11 0.00 n/a
2020 20 -8 0.00 n/a
2019 24 -2 0.00 n/a
2018 29 6 0.00 n/a
2017 42 32 0.18 n/a
2016 35 18 0.00 n/a
2015 43 20 0.00 n/a
2014 45 29 0.00 n/a
2013 29 19 0.00 n/a
2012 40 29 0.00 n/a
2011 31 20 0.00 n/a
2010 27 -3 0.00 n/a
2009 29 3 0.00 n/a
2008 24 -3 0.00 n/a
2007 47 27 0.00 n/a
2006 25 4 0.00 n/a
2005 41 21 0.00 n/a
2004 30 6 0.00 n/a
2003 48 31 0.00 n/a
2002 30 17 0.00 n/a
2001 41 10 0.04 n/a
2000 54 30 0.00 n/a
1999 36 13 0.01 n/a
1998 46 33 n/a n/a
1997 n/a n/a n/a n/a
1996 n/a n/a n/a n/a
1995 n/a n/a n/a n/a
1994 35 13 0.13 1.6
1993 26 17 0.03 0.3
1992 48 35 0.03 0.0
1991 52 32 0.00 0.0
1990 32 20 0.00 0.0
1989 35 22 0.00 0.0
1988 46 20 0.00 0.0
1987 37 18 0.00 0.0
1986 39 31 0.01 0.2
1985 22 9 0.00 0.0
1984 25 2 0.00 0.0
1983 36 24 0.00 0.0
1982 59 34 0.00 0.0
1981 34 17 0.00 0.0
1980 38 28 0.15 1.3
1979 33 22 0.06 1.5
1978 33 22 0.00 0.0
1977 45 21 0.20 0.0
1976 20 -1 0.00 0.0
1975 16 -12 0.00 0.0
1974 31 3 0.00 0.0
1973 24 -4 0.00 0.0
1972 44 29 0.00 0.0
1971 27 4 0.00 0.0
1970 49 20 0.00 0.0
1969 30 21 0.06 0.1
1968 38 30 0.04 0.0
1967 40 18 0.00 0.0
1966 34 10 0.00 0.0
1965 42 28 0.00 0.0
1964 18 2 0.00 0.0
1963 39 28 0.00 0.0
1962 34 28 0.00 0.0
1961 40 26 0.00 0.0
1960 32 13 0.02 0.3
1959 44 27 0.00 0.0
1958 45 22 0.00 0.0
1957 36 28 0.06 1.0
1956 50 20 0.00 0.0
1955 23 -5 0.01 0.2
1954 51 30 0.00 0.0
1953 30 6 0.00 0.0
1952 24 1 0.03 0.5
1951 39 22 0.00 0.0
1950 33 16 0.00 0.0
1949 38 27 0.00 0.0
What's the all-time high for Idaho Falls on 2/21?
For the date of Feb 21, the highest temperature ever reached in Idaho Falls history is 59 °F which happened in 1982.
Highest Temperatures in Idaho Falls on February 21
Rank Temperature Year
1 59 °F 1982
2 54 °F 2000
3 52 °F 1991
4 51 °F 1954
5 50 °F 1956
6 49 °F 1970
7 48 °F 1992
7 48 °F 2003
9 47 °F 2007
10 46 °F 1988
10 46 °F 1998
What's the all-time low for Idaho Falls on 2/21?
For the date of Feb 21, the lowest temperature ever reached in Idaho Falls history is -12 °F which happened in 1975.
Lowest Temperatures in Idaho Falls on February 21
Rank Temperature Year
1 -12 °F 1975
2 -8 °F 2020
3 -5 °F 1955
4 -4 °F 1973
5 -3 °F 2008
5 -3 °F 2010
7 -2 °F 2019
8 -1 °F 1976
9 1 °F 1952
10 2 °F 1984
10 2 °F 1964
Lowest High Temperatures in Idaho Falls on February 21
Rank Temperature Year
1 16 °F 1975
2 18 °F 1964
3 20 °F 2020
3 20 °F 1976
5 22 °F 1985
6 23 °F 1955
7 24 °F 1973
7 24 °F 2008
7 24 °F 2019
7 24 °F 1952
What's the most it has ever rained in Idaho Falls on 2/21?
For the date of Feb 21, the most precipitation ever recorded in Idaho Falls history is 0.20 inches which happened in 1977.
All-Time Most Precipitation in Idaho Falls on February 21
Rank Precipitation Year
1 0.20 inches 1977
2 0.18 inches 2017
3 0.15 inches 1980
4 0.13 inches 1994
5 0.06 inches 1969
5 0.06 inches 1979
5 0.06 inches 1957
8 0.04 inches 1968
8 0.04 inches 2023
8 0.04 inches 2001
Weather Station Details
Years Station Coordinates
1948–2024 Idaho Falls Fanning Field location