Sioux Falls Weather Forecast
- 3
- 21
Mostly Cloudy
- -5
- 16
Slight Chance Snow
- -7
- 10
Cold
- 12
- 19
Snow Likely
- 13
- 33
Mostly Cloudy
- 17
- 30
Mostly Cloudy
Today 28 Jan Minnehaha
Partly sunny. Highs around 20. Northwest Winds 5 to 10 Mph.
Tonight 28 Jan Minnehaha
Mostly cloudy. Cold with Lows around 2 above. Northeast Winds around 5 Mph.
Sioux Falls Temperature Statistics
January Temperature
Sioux Falls, Foss Field (3.1 miles)
Lowest 23 January, 2026
-18 °FAverage January
19.5 °FHighest 12 January, 2026
56.6 °F
Climate (2021–Present)
Sioux Falls, Foss Field (3.1 miles)
Average Low 2021–2026
38.8 °FAverage 2021–2026
49.8 °FAverage High 2021–2026
60.7 °F