381 AWUS83 KBIS 160040 RWSBIS NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-160845- Regional Weather Forecast National Weather Service Bismarck ND 740 PM CDT Fri Aug 15 2025 /640 PM MDT Fri Aug 15 2025/ Isolated to scattered thunderstorms are forecast through tonight. A few storms may be severe, mainly in South Dakota and much of Minnesota. Lows tonight will be in the 50s and 60s. Periodic showers and thunderstorms are then possible this weekend into early next week. Highs will be mostly in the 70s and 80s, with lows in the 50s and 60s. An isolated severe thunderstorm is also possible during this time period. $$