Boulder River near Boulder, MT

Jefferson County, Montana · USGS gauge 06033000 · NWS BLDM8 · Boulder River flood status · Montana river levels

Is Boulder River near Boulder, MT flooding right now?

Boulder River near Boulder, MT measured 4.93 ft on 2026-09-11 01:15:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

4.93 ft

as of 50 min ago

Streamflow

19 cfs

data refreshed 2 min ago

The highest crest on record was 12.3 ft on Fri, May 22, 1981.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Highest crests on record

Stage	Date
12.3 ft	1981-05-22
10.9 ft	1964-06-09
10.9 ft	1975-06-19
10.37 ft	1948-05-22
10.24 ft	1938-05-28

Last 7 days

Past 7 days · 4.93–5.08 ft

Nearby gauges

Gauge	Distance	County
Prickly Pear Creek near Clancy MT	22.4 mi	Jefferson County
Tenmile Creek near Rimini MT	23.0 mi	Lewis and Clark County
Silver Bow Creek above Blacktail Creek at Butte MT	24.8 mi	Silver Bow County
Tenmile Creek at Tenmile Wt Treatment Pl near Rimini MT	25.6 mi	Lewis and Clark County
Blacktail Creek above Grove Gulch, at Butte, MT	25.7 mi	Silver Bow County

Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast