Missouri River level at Williston

North Dakota · Fishing & wading

Measured at USGS 06330110 — MISSOURI RIVER NO. 9 AT WILLISTON, ND

22.99ft 95% of normal

Reading taken · as of 1 hour ago

Median for mid-September24 ft
Years of record58 (1959–2026)
Highest on record45 ft daily, 1959–2026
Lowest on record7.3 ft daily

About normal for the date

At 22.99 ft, this gauge is running 95% of normal for mid-September — close to the 24 ft median USGS has recorded for this date across 58 years of record (1959–2026).

Last 30 days · 22–24 ft

Flow history at Williston

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Daily values from USGS 06330110, updated every 15 to 60 minutes. Provisional.

About Missouri River at Williston

In North Dakota, below Lake Sakakawea. Releases can change the flow by hundreds of CFS in an hour with no rain in the basin — check it the morning you go, not the night before.

Missouri River at Williston — common questions

3 questions

How do releases from Lake Sakakawea affect this stretch?

Directly and fast. When the dam generates, flow here can climb by an order of magnitude within the hour, with no rain anywhere in the basin. That sudden release is the real hazard on a tailwater. The pool level is on lakelvl.com, linked below.

Is Missouri River at Williston high or low for this time of year?

The USGS median gage height for mid-September here is 24 ft, from 58 years of record (1959–2026). Today is 95% of it. The comparison is what makes the raw number mean anything: the same reading is a drought on one river and a flood on another.

How often does this reading update?

USGS transmits from gauge 06330110 every 15 to 60 minutes. This page refreshes from USGS when you open it, and the reading is provisional until USGS reviews it. The timestamp is in the gauge's local time.

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