FPUS63 KBIS 180537 SFPND NDZ001>062-181545- State Forecast Product National Weather Service Bismarck ND 1237 AM CDT Thu Jun 18 2026 /1137 PM MDT Wed Jun 17 2026/ .TONIGHT...Partly to mostly. Isolated showers and thunderstorms. Lows in the 40s. .THURSDAY...Partly cloudy becoming mostly cloudy. Chance of showers and thunderstorms west. Highs in the mid 60s to lower 70s. .THURSDAY NIGHT...Mostly cloudy. Chance of showers and thunderstorms. Lows in the 40s to lower 50s. ..FRIDAY...Partly cloudy and breezy. Chance of showers and thunderstorms in the east. Lows in the 40s to lower 50s. Highs in the mid 60s to mid 70s. .SATURDAY...Partly cloudy. Breezy in the west. Chance of showers and thunderstorms, mainly south and west. Lows in the 40s to lower 50s. Highs in the upper 60s to upper 70s. .SUNDAY...Partly to mostly cloudy and breezy. Chance of showers and thunderstorms, mainly west and central. Lows in the mid 40s to mid 50s. Highs in the mid 60s to mid 70s. .MONDAY...Mostly cloudy. Chance of showers. Lows in the mid 40s to lower 50s. Highs in the 60s to 70s. $$