South Dakota summers bring frequent thunderstorms which can be severe with high winds, thunder, and hail.
The principal concerns are sea breezes that could bring thunderstorms or showers near the launching site here.
Spring brings violent thunderstorms and wide temperature swings, with heat waves followed by frost or cool periods.
Summers can bring thunderstorms, averaging around 30 days of thunderstorm activity per year.
Late summer monsoons bring fantastic lighting and furious thunderstorms.
In the summer and fall, back door cold fronts move in from the north and bring thunderstorms, sometimes severe.
August is on average the wettest of the summer months, and can also bring long-lasting thunderstorms with associated heavy downpours.
Fall can bring heavy thunderstorms, many of which are capable of producing flooding.
Occasional tropical storms will bring thunderstorms to the city in November, though the month is typically dry.
During the summer, the monsoon arriving from the south brings frequent intense and localized thunderstorms.