Mattison Park Weather Forecast
- 73
- 91
Decreasing Clouds
- 68
- 93
Thunderstorms Likely
- 66
- 83
Chance Thunderstorms
- 68
- 86
Slight Chance Thunderstorms
- 70
- 91
Slight Chance Thunderstorms
- 73
- 94
Slight Chance Thunderstorms
Today 22 Jul Dixon
Sunny. Highs around 90. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 105.
Tonight 22 Jul Dixon
Mostly clear. Humid with Lows in the lower 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 104 early in the evening.
Mattison Park Temperature Statistics
July Temperature
Sioux City, Sioux Gateway Airport (19.3 miles)
Lowest 17 July, 2025
56.6 °FAverage July
75.2 °FHighest 3 July, 2025
93.7 °F
Climate (2020–Present)
Sioux City, Sioux Gateway Airport (19.3 miles)
Average Low 2020–2025
38.7 °FAverage 2020–2025
50.6 °FAverage High 2020–2025
62.6 °F