FPUS63 KBIS 210820 SFPND NDZ001>062-220030- State Forecast Product National Weather Service Bismarck ND 320 AM CDT Sun Jun 21 2026 /220 AM MDT Sun Jun 21 2026/ .TODAY...Partly to mostly cloudy and breezy. Chance of showers with isolated afternoon thunderstorms, mainly west. Highs in the mid 60s to mid 70s. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms, mainly west and central. Lows in the mid 40s to lower 50s. .MONDAY...Cloudy. Showers through the day. Chance of thunderstorms in the afternoon and evening. Highs in the upper 60s to upper 70s. .TUESDAY...Partly to mostly cloudy and breezy. Chance of showers and thunderstorms. Lows in the upper 40s to upper 50s. Highs in the mid 60s to mid 70s. .WEDNESDAY...Partly cloudy. Breezy in the east. Chance of showers and thunderstorms, mainly north and east. Lows in the 40s to lower 50s. Highs in the mid 60s to mid 70s. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms, mainly northeast and southwest. Lows in the 40s to lower 50s. Highs in the 70s. $$