Sioux County, IA
Tuesday : a low of 60.3°F averaged over Sioux County, IA, the warmest 29 September night in the county average since 1983, tied 1st warmest of 76 (with 1983) (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 70.1°F averaged over Sioux County, IA, the warmest 29 September in the county average since 2025, 38th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of Sioux County, IA for 2 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- September 2026 so far averaged 67°F in Sioux County, IA, the warmest 1 to 29 September in the county average since 2015, 5th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- August 2026 averaged 71.1°F in Sioux County, IA, the warmest August in the county average since 2023, tied 60th warmest of 132 (with 2016, 2013, 2011 and 1 other year) (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 | 70.1 | 60.3 |
| 2025 | 85.3 | 48.8 |
| 2024 | 86.9 | 49 |
| 2023 | 80.6 | 52.8 |
| 2022 | 67.2 | 35.5 |
| 2021 | 88.7 | 58.5 |
| 2020 | 59.7 | 38.8 |
| 2019 | 66.1 | 42.7 |
| 2018 | 55.5 | 36.1 |
| 2017 | 76.1 | 43.7 |
| 2016 | 62.1 | 40.9 |
| 2015 | 77.3 | 48.5 |
| 2014 | 81 | 56.5 |
| 2013 | 66.6 | 44.3 |
| 2012 | 78.4 | 37.5 |
| 2011 | 84.9 | 44.7 |
| 2010 | 75.6 | 49.8 |
| 2009 | 60.5 | 35 |
| 2008 | 73.2 | 47 |
| 2007 | 75.4 | 41.2 |
| 2006 | 57.3 | 36.8 |
| 2005 | 59.6 | 33.4 |
| 2004 | 67.6 | 38.3 |
| 2003 | 57.3 | 33 |
| 2002 | 61.5 | 47.1 |
| 2001 | 76.8 | 43.1 |
| 2000 | 83 | 49.1 |
| 1999 | 65.1 | 31.3 |
| 1998 | 84.7 | 51.9 |
| 1997 | 73.2 | 49.5 |
| 1996 | 66.3 | 40 |
| 1995 | 80.2 | 56.4 |
| 1994 | 72.4 | 39.6 |
| 1993 | 61.4 | 33.2 |
| 1992 | 57.7 | 32 |
| 1991 | 73.7 | 38.2 |
| 1990 | 67.3 | 45.2 |
| 1989 | 78.9 | 44 |
| 1988 | 63.7 | 54.4 |
| 1987 | 72.5 | 47.3 |
| 1986 | 78 | 49.5 |
| 1985 | 40.1 | 35.3 |
| 1984 | 49.1 | 25.3 |
| 1983 | 84.7 | 60.3 |
| 1982 | 78.1 | 57.9 |
| 1981 | 74.2 | 41.7 |
| 1980 | 78.3 | 53 |
| 1979 | 71.9 | 42.5 |
| 1978 | 75.3 | 46.3 |
| 1977 | 71.1 | 48.3 |
| 1976 | 62.5 | 34.8 |
| 1975 | 65.7 | 38.5 |
| 1974 | 62.2 | 31.9 |
| 1973 | 61 | 52 |
| 1972 | 58.2 | 34.4 |
| 1971 | 73 | 45.1 |
| 1970 | 76.9 | 42.2 |
| 1969 | 75.5 | 47 |
| 1968 | 63.7 | 43 |
| 1967 | 68.4 | 30.7 |
| 1966 | 66 | 45 |
| 1965 | 58.4 | 44.5 |
| 1964 | 66.6 | 36.1 |
| 1963 | 69.5 | 38.5 |
| 1962 | 65.8 | 42.6 |
| 1961 | 66.1 | 41.1 |
| 1960 | 66.3 | 41.4 |
| 1959 | 55.2 | 37 |
| 1958 | 74 | 48.8 |
| 1957 | 75.3 | 45.3 |
| 1956 | 66.2 | 39.1 |
| 1955 | 73.2 | 49.2 |
| 1954 | 66.5 | 50.5 |
| 1953 | 77.8 | 51.7 |
| 1952 | 81.3 | 43.4 |
| 1951 | 59.3 | 36 |
Nearby
Sioux Falls, SD 44.8 mi, the nearest city with its own station