Missouri River near Williston

Critical Stages

20' - Action

22' - Flood

24' - Moderate

26' - Major

Latest Observation

Updated: 7:00 AM CST 12/9/25

Status: No Flooding

Stage: 15.3 ft

Flow: -999 kcfs

Forecast not available for this location.

33' - Levees surrounding Williston are likely to be topped without additional measures taken to temporarily raise the flood protection levels.

32.5' - Missouri River begins to overtop small stretch of levee near Highway 85 bridge and Williston Water Treatment Plant.

30.75' - Missouri River begins to cover Highway 85 south of Williston.

30.5' - At 30.5 FT...water is near the top of Highway 58 in areas between Fairview and Trenton.

30' - Water covers portions of 13th Avenue East and 11th Avenue East along the Little Muddy River.

28' - Water backing up into the Little Muddy River begins to cover 54th Street Northwest on the east side of Williston.

24' - Water begins to cover oil well location south and east of Williston. Wildlife management areas are flooded. City of Williston does not flood.

22' - Low-lying farmland and access roads to oil well sites near Trenton are flooded. City of Williston does not flood.

20' - Ditches in the vicinity of the river will fill and wildlife management lands along the south banks will begin to flood.