Beaver Lake Weather Forecast
- 69
- 91
Severe Tstms
- 66
- 85
Partly Sunny
- 67
- 85
Partly Sunny
- 72
- 92
Slight Chance Thunderstorms
- 72
- 95
Slight Chance Thunderstorms
- 68
- 95
Chance Thunderstorms
Today 23 Jul Yankton
Mostly sunny. Numerous Showers and scattered Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may be severe this afternoon. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of rain 60 percent. Heat index Values up to 105 this afternoon.
Tonight 23 Jul Yankton
Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Humid with Lows in the upper 60s. Northwest Winds 10 to 15 Mph. Chance of rain 70 percent.
Beaver Lake Temperature Statistics
July Temperature
Yankton, Chan Gurney Municipal Airport (7.5 miles)
Lowest 17 July, 2025
55.7 °FAverage July
75.1 °FHighest 3 July, 2025
94.6 °F
Climate (2020–Present)
Yankton, Chan Gurney Municipal Airport (7.5 miles)
Average Low 2020–2025
39 °FAverage 2020–2025
50 °FAverage High 2020–2025
61.3 °F