South Sioux City Weather Forecast
- 33
- 50
Rain Likely
- 40
- 54
Rain Showers
- 29
- 54
Chance Rain
- 32
- 54
Mostly Cloudy
- 32
- 57
Slight Chance Rain
- 28
- 55
Partly Sunny
Today 31 Mar Dakota
Mostly sunny. Not as cool with Highs around 50. North Winds 5 to 10 Mph.
Tonight 31 Mar Dakota
Partly cloudy in the Evening, then mostly cloudy with rain likely after midnight. Lows in the lower 30s. Southeast Winds 10 to 15 Mph. Chance of rain 70 percent.
South Sioux City Temperature Statistics
March Temperature
Sioux City, Sioux Gateway Airport (4.3 miles)
Lowest 2 March, 2025
18.8 °FAverage March
43.2 °FHighest 28 March, 2025
89.7 °F
Climate (2020–Present)
Sioux City, Sioux Gateway Airport (4.3 miles)
Average Low 2020–2025
38.8 °FAverage 2020–2025
50.6 °FAverage High 2020–2025
62.5 °F