Summit Weather Forecast
- -8
- 15
Chance Snow
- -7
- 4
Cold
- 9
- 15
Chance Snow
- 0
- 17
Mostly Cloudy
- -6
- 15
Mostly Cloudy
- -17
- 2
Cold
Today 18 Jan Roberts
Snow. Blowing snow. Visibility one quarter mile or less at Times this afternoon. Snow accumulation around an inch. Very windy and not as cold with Highs around 18. Temperature falling to around 3 above this afternoon. Northwest Winds 30 to 35 Mph with Gusts up to 50 Mph. Chance of snow near 100 percent. Wind chill Values as low as 24 below.
Tonight 18 Jan Roberts
Mostly cloudy in the Evening, then becoming partly cloudy. Blowing snow in the Evening, then patchy blowing snow after midnight with visibility one quarter mile or less at Times. Windy, cold with Lows around 7 below. Northwest Winds 20 to 30 Mph with Gusts up to 45 Mph, Diminishing to 15 to 20 Mph with Gusts up to 35 Mph after midnight. Wind chill Values as low as 28 below.
Summit Temperature Statistics
January Temperature
Sisseton, Sisseton Municipal Airport (24.9 miles)
Lowest 1 January, 2026
-0.9 °FAverage January
25.1 °FHighest 7 January, 2026
51.1 °F
Climate (2021–Present)
Sisseton, Sisseton Municipal Airport (24.9 miles)
Average Low 2021–2026
36.1 °FAverage 2021–2026
46.6 °FAverage High 2021–2026
57.2 °F