AWUS83 KBIS 130001 RWSBIS NDZ001>005-009-010-012-013-017>020-022-023-025-031>033-035>037- 040>044-046>048-050-051-055>062-130815- North Dakota State Weather Summary National Weather Service Bismarck ND 701 PM CDT Wed Aug 12 2026 /601 PM MDT Wed Aug 12 2026/ Scattered showers and thunderstorms tonight. Isolated severe storms are possible along and south of the Highway 200 corridor this evening, though the highest chance is near the South Dakota border. Near daily chances for showers and maybe thunderstorms through Friday night. A cooling trend is expected through Friday, followed by a warming trend through the weekend and into early next week. The Detailed Forecast for North Dakota... .TONIGHT...Mostly cloudy. Chance of thunderstorms through the night. Lows in the 50s to lower 60s. .THURSDAY...Mostly cloudy. Chance of showers through the day. Highs in the 70s to lower 80s. .THURSDAY NIGHT...Mostly cloudy. Chance of showers and thunderstorms. Lows in the 50s to lower 60s. .FRIDAY...Mostly cloudy. Showers through the day. Highs in the mid 60s to lower 80s. $$