Dewey County, SD
Tuesday : 0.31 in of precipitation averaged over Dewey County, SD, the wettest 29 September in the county average since 1965, 2nd wettest of 76 (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 72.6°F averaged over Dewey County, SD, the warmest 29 September in the county average since 2025, 33rd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 57.4°F averaged over Dewey County, SD, the warmest 29 September night in the county average since 2021, 2nd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
The month
- September 2026 so far averaged 64.9°F in Dewey County, SD, the warmest 1 to 29 September in the county average since 2024, 11th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- August 2026 averaged 72°F in Dewey County, SD, the warmest August in the county average since 2022, tied 45th warmest of 132 (with 2011 and 2008) (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 | 72.6 | 57.4 |
| 2025 | 87.5 | 54.7 |
| 2024 | 92.1 | 52.3 |
| 2023 | 76 | 50.4 |
| 2022 | 81 | 48.3 |
| 2021 | 94.1 | 58.4 |
| 2020 | 66.5 | 42.1 |
| 2019 | 56.1 | 42.5 |
| 2018 | 52 | 36.5 |
| 2017 | 74.7 | 41.4 |
| 2016 | 70.9 | 39.9 |
| 2015 | 67.6 | 44.7 |
| 2014 | 64.3 | 48.1 |
| 2013 | 67 | 41.8 |
| 2012 | 82.3 | 48.9 |
| 2011 | 83.2 | 45.6 |
| 2010 | 79.4 | 47.9 |
| 2009 | 64.4 | 35.6 |
| 2008 | 73.2 | 38.8 |
| 2007 | 83 | 47.8 |
| 2006 | 61.1 | 37.6 |
| 2005 | 62.6 | 36.5 |
| 2004 | 69.8 | 42.6 |
| 2003 | 58.5 | 37.8 |
| 2002 | 51.5 | 41.4 |
| 2001 | 80.3 | 51.8 |
| 2000 | 86.1 | 46.7 |
| 1999 | 61.2 | 32.8 |
| 1998 | 80.3 | 43.5 |
| 1997 | 75.6 | 49.1 |
| 1996 | 64.4 | 36.7 |
| 1995 | 85.3 | 52.9 |
| 1994 | 80.8 | 42.5 |
| 1993 | 64 | 37.7 |
| 1992 | 69.4 | 31.8 |
| 1991 | 80.1 | 42.1 |
| 1990 | 65.1 | 39.3 |
| 1989 | 83 | 49.9 |
| 1988 | 52.5 | 42.7 |
| 1987 | 65.9 | 41 |
| 1986 | 65.5 | 40.7 |
| 1985 | 42 | 30.8 |
| 1984 | 52.2 | 28.1 |
| 1983 | 66.1 | 40.9 |
| 1982 | 63.2 | 36 |
| 1981 | 81.5 | 41 |
| 1980 | 85.5 | 49.9 |
| 1979 | 78.9 | 44.1 |
| 1978 | 75.3 | 47.1 |
| 1977 | 69.6 | 45.9 |
| 1976 | 71.6 | 34.1 |
| 1975 | 57.8 | 38.8 |
| 1974 | 64.7 | 36.7 |
| 1973 | 68.1 | 44.1 |
| 1972 | 57.2 | 34.8 |
| 1971 | 65 | 42.6 |
| 1970 | 77.8 | 40.4 |
| 1969 | 78.6 | 47.8 |
| 1968 | 66.7 | 42.5 |
| 1967 | 80.3 | 38.1 |
| 1966 | 67 | 46 |
| 1965 | 42.4 | 36.8 |
| 1964 | 69.8 | 33.5 |
| 1963 | 69.5 | 35.6 |
| 1962 | 72.3 | 51.1 |
| 1961 | 67.6 | 36.8 |
| 1960 | 60.8 | 38.3 |
| 1959 | 46.8 | 34.4 |
| 1958 | 79.8 | 40 |
| 1957 | 83.9 | 50.3 |
| 1956 | 56.4 | 35.3 |
| 1955 | 78.8 | 45.7 |
| 1954 | 73.3 | 42.1 |
| 1953 | 74.6 | 42 |
| 1952 | 81.2 | 50.2 |
| 1951 | 66.6 | 33.5 |
Nearby
Mobridge, SD 34.7 mi, the nearest city with its own station