Lake Jefferson Weather Forecast
- -3
- 24
Chance Snow
- -3
- 6
Cold
- 18
- 25
Chance Snow
- 14
- 37
Chance Snow
- 4
- 20
Slight Chance Snow
Today 6 Dec Le Sueur
Cloudy. Slight chance of snow early in the afternoon. Chance of snow late in the afternoon. Highs in the lower 20s. North Winds up to 5 Mph shifting to the east in the afternoon. Chance of snow 50 percent.
Tonight 6 Dec Le Sueur
Much Colder. Cloudy with a 50 percent chance of snow in the Evening, then partly cloudy after midnight. Lows around 4 below. North Winds 5 to 10 Mph.
Lake Jefferson Temperature Statistics
December Temperature
Mankato, Mankato Regional Airport (7.5 miles)
Lowest 4 December, 2025
-9.9 °FAverage December
10.1 °FHighest 3 December, 2025
30 °F
Climate (2020–Present)
Mankato, Mankato Regional Airport (7.5 miles)
Average Low 2020–2025
39.4 °FAverage 2020–2025
48.3 °FAverage High 2020–2025
57.1 °F