National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >

Below are some very rare lake effect Waterspouts. Chris Westcott took these pictures in the vicinity of Lower Brule. The waterspouts are formed from the instability that is created when the air that is associated with the relatively warm open waters of the Missour River interact with the extremely cold air located just above the surface. These type of waterspouts have a very short lifespan and generally dissipate just as quick as they form. Chris said that at one time there were 6 of them.

Wintertime Waterspout