National Weather Service United States Department of Commerce

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

There is a Marginal Risk (level 1 out of 5) for two rounds of storms today (Saturday) and tonight. The first could be this morning mainly in central and south central SD; the second could be kicking off as early as this afternoon over portions of north central and northeast South Dakota. But, the probability is a little bit higher for this second potential round of storms to happen later this evening into early Sunday morning across northeast South Dakota. The main threats with both rounds will be 1 to 2 inch hail and 60 mph wind gusts.
There is a Marginal Risk (level 1 out of 5) for severe storms Sunday. If these storms form, they will impact portions of central and eastern South Dakota into west central MN during the afternoon into the overnight hours. The main hazards will be 1 inch hail and 60 mph wind gusts.