Dakota Dunes Weather Forecast
- 67
- 92
Mostly Sunny
- 65
- 91
Thunderstorms Likely
- 58
- 81
Chance Thunderstorms
- 59
- 75
Partly Sunny
- 65
- 81
Chance Thunderstorms
- 64
- 84
Chance Thunderstorms
- 66
- 83
Chance Rain Showers
Today 14 Jul Union
Sunny. Highs around 90. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Heat index Values in the upper 90s.
Tonight 14 Jul Union
Partly cloudy. Lows in the upper 60s. South Winds 10 to 15 Mph.
Dakota Dunes Temperature Statistics
July Temperature
Sioux City, Sioux Gateway Airport (7.5 miles)
Lowest 1 July, 2025
59 °FAverage July
76.1 °FHighest 3 July, 2025
93 °F
Climate (2020–Present)
Sioux City, Sioux Gateway Airport (7.5 miles)
Average Low 2020–2025
38.7 °FAverage 2020–2025
50.6 °FAverage High 2020–2025
62.6 °F