Fall River County, SD
: September 2026 so far averaged 66.2°F in Fall River County, SD, the warmest 1 to 29 September in the county average since 2024, tied 6th warmest of 76 (with 2013) (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 73°F
- Warmest since 2025
- 38th warmest of 76
- Low
- 52.6°F
- Warmest since 2025
- 4th warmest of 76
- Precipitation
- 0.01 in
- Wettest since 2021
- 14th wettest of 76
- Normal range, 34.3 to 49.5°F
Every year as a table
Every 29 September high of the county average in Fall River County, SD since 1951: 73°F in 2026; the highest is 93.8°F, in 2024.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 73 | 52.6 |
| 2025 | 87.3 | 52.7 |
| 2024 | 93.8 | 57.5 |
| 2023 | 74.3 | 51.5 |
| 2022 | 87.7 | 48.6 |
| 2021 | 90.6 | 52.6 |
| 2020 | 65.7 | 35 |
| 2019 | 56 | 46.8 |
| 2018 | 45.9 | 34.5 |
| 2017 | 69.7 | 42.6 |
| 2016 | 81.2 | 41.9 |
| 2015 | 64.4 | 53.3 |
| 2014 | 60.4 | 49.4 |
| 2013 | 68.6 | 37.8 |
| 2012 | 77.3 | 43.8 |
| 2011 | 86.8 | 45.2 |
| 2010 | 90.3 | 45.2 |
| 2009 | 66.7 | 31.7 |
| 2008 | 79.2 | 36.2 |
| 2007 | 84.9 | 50.5 |
| 2006 | 76.1 | 32 |
| 2005 | 66 | 35.7 |
| 2004 | 70.9 | 41.6 |
| 2003 | 61.8 | 38.3 |
| 2002 | 64.3 | 41.6 |
| 2001 | 85.5 | 50 |
| 2000 | 83.8 | 42 |
| 1999 | 58.2 | 29 |
| 1998 | 82.3 | 43.1 |
| 1997 | 71.7 | 39.8 |
| 1996 | 73 | 39.3 |
| 1995 | 84.6 | 47 |
| 1994 | 90.5 | 41.6 |
| 1993 | 69.4 | 37.7 |
| 1992 | 75.6 | 36.1 |
| 1991 | 85.4 | 43.5 |
| 1990 | 67.4 | 41.7 |
| 1989 | 81.6 | 50 |
| 1988 | 53.5 | 40.9 |
| 1987 | 69.3 | 34.8 |
| 1986 | 62.7 | 35.3 |
| 1985 | 32.9 | 26 |
| 1984 | 46.5 | 16.6 |
| 1983 | 70.1 | 40.6 |
| 1982 | 63.6 | 38.6 |
| 1981 | 88.5 | 45.2 |
| 1980 | 89.7 | 45.6 |
| 1979 | 81.8 | 40.6 |
| 1978 | 78.8 | 48.1 |
| 1977 | 82.7 | 45.6 |
| 1976 | 71.9 | 28.7 |
| 1975 | 66.4 | 33.9 |
| 1974 | 66.8 | 36.1 |
| 1973 | 65 | 40 |
| 1972 | 66.1 | 35 |
| 1971 | 63.7 | 38.3 |
| 1970 | 80.1 | 35.2 |
| 1969 | 89.5 | 47.1 |
| 1968 | 64.6 | 36.3 |
| 1967 | 84.4 | 38.7 |
| 1966 | 70.3 | 43.8 |
| 1965 | 42.4 | 33.6 |
| 1964 | 74.8 | 35.7 |
| 1963 | 71 | 35.2 |
| 1962 | 77.1 | 47.7 |
| 1961 | 77.5 | 39.3 |
| 1960 | 68.3 | 41 |
| 1959 | 48 | 31.6 |
| 1958 | 75.9 | 40.4 |
| 1957 | 89.7 | 44.6 |
| 1956 | 67.8 | 39.9 |
| 1955 | 74.6 | 37.9 |
| 1954 | 63.5 | 36.5 |
| 1953 | 77.5 | 47 |
| 1952 | 82.9 | 46.5 |
| 1951 | 75.5 | 39.7 |
The month
August 2026 averaged 75.1°F in Fall River County, SD, the warmest August in the county average since 2003, tied 4th warmest of 132 (with 1947) (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 73°F averaged over Fall River County, SD, the warmest 29 September in the county average since 2025, tied 38th warmest of 76 (with 1996) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 52.6°F averaged over Fall River County, SD, the warmest 29 September night in the county average since 2025, tied 4th warmest of 76 (with 2021) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.01 in of precipitation averaged over Fall River County, SD, the wettest 29 September in the county average since 2021, tied 14th wettest of 76 (with 1961 and 1959) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Rapid City Downtown, SD 60.7 mi, the nearest city with its own station