Mellette County, SD
Tuesday : a low of 60.5°F averaged over Mellette County, SD, the warmest 29 September night in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- Tuesday 29 September 2026: a high of 74.2°F averaged over Mellette County, SD, the warmest 29 September in the county average since 2025, 36th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.24 in of precipitation averaged over Mellette County, SD, the wettest 29 September in the county average since 2015, 5th wettest of 76 (county average from NOAA gridded data, 1951 to 2026).
The month
- September 2026 so far averaged 67.4°F in Mellette County, SD, the warmest 1 to 29 September in the county average since 2024, tied 10th warmest of 76 (with 2023) (county average from NOAA gridded data, 1951 to 2026).
- August 2026 averaged 73.7°F in Mellette County, SD, the warmest August in the county average since 2025, tied 51st warmest of 132 (with 1935) (county average from NOAA's monthly county data, 1895 to 2026).
- Days of the month without a value
- 0
Every year on this date
- Above the normal range
- In it
- Below it
- Normal range
- This year and the extreme
Every year as a table
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 74.2 | 60.5 |
| 2025 | 90.1 | 57.4 |
| 2024 | 96.3 | 53.8 |
| 2023 | 78.4 | 55.1 |
| 2022 | 82.9 | 47.9 |
| 2021 | 93.3 | 57.8 |
| 2020 | 65.6 | 41.1 |
| 2019 | 57.9 | 45.2 |
| 2018 | 52.7 | 40.7 |
| 2017 | 76.3 | 43.1 |
| 2016 | 74.1 | 40.9 |
| 2015 | 67.9 | 52.7 |
| 2014 | 73.4 | 51 |
| 2013 | 69.3 | 40.6 |
| 2012 | 81.6 | 45.6 |
| 2011 | 91.4 | 47.1 |
| 2010 | 88.4 | 48.7 |
| 2009 | 64 | 33.7 |
| 2008 | 80 | 40.8 |
| 2007 | 85.6 | 52.4 |
| 2006 | 65.4 | 38.7 |
| 2005 | 59.8 | 36.1 |
| 2004 | 68.6 | 40.4 |
| 2003 | 61.7 | 35.6 |
| 2002 | 48.7 | 41.9 |
| 2001 | 80.7 | 51.4 |
| 2000 | 87.5 | 46.2 |
| 1999 | 55.7 | 32.2 |
| 1998 | 84.5 | 49.2 |
| 1997 | 73.5 | 49.3 |
| 1996 | 74.6 | 40.9 |
| 1995 | 86.5 | 53.1 |
| 1994 | 82.1 | 43 |
| 1993 | 65.8 | 42.4 |
| 1992 | 71.4 | 33.3 |
| 1991 | 83.4 | 44.1 |
| 1990 | 70.1 | 44.9 |
| 1989 | 85 | 51.6 |
| 1988 | 55.2 | 42.7 |
| 1987 | 69.7 | 40.1 |
| 1986 | 71.8 | 42.4 |
| 1985 | 37.8 | 31.3 |
| 1984 | 51.5 | 24 |
| 1983 | 73 | 46 |
| 1982 | 72.2 | 38.9 |
| 1981 | 89.9 | 45.8 |
| 1980 | 89.4 | 51.2 |
| 1979 | 82.9 | 44.1 |
| 1978 | 81.7 | 49.8 |
| 1977 | 76.3 | 50.4 |
| 1976 | 72.1 | 32.7 |
| 1975 | 62.2 | 36.8 |
| 1974 | 67.2 | 36.7 |
| 1973 | 59.2 | 45.8 |
| 1972 | 63 | 38.9 |
| 1971 | 70.1 | 40.5 |
| 1970 | 82.9 | 43.7 |
| 1969 | 86.3 | 51.5 |
| 1968 | 66.1 | 43.2 |
| 1967 | 79.9 | 34.4 |
| 1966 | 69.4 | 46.1 |
| 1965 | 45.7 | 37.7 |
| 1964 | 76.7 | 39.2 |
| 1963 | 70.1 | 36 |
| 1962 | 78.3 | 50.3 |
| 1961 | 71.1 | 42.2 |
| 1960 | 67.4 | 41.4 |
| 1959 | 53.2 | 35.7 |
| 1958 | 83.2 | 42.4 |
| 1957 | 88.5 | 52.6 |
| 1956 | 66.7 | 42.3 |
| 1955 | 79.1 | 45.7 |
| 1954 | 78.2 | 42.8 |
| 1953 | 78.7 | 44.9 |
| 1952 | 82.6 | 53.1 |
| 1951 | 71.6 | 32.3 |
Nearby
Valentine, NE 51.0 mi, the nearest city with its own station