Boulder Creek at Mouth near Longmont, CO

Weld County, Colorado · USGS gauge 06730500 · Boulder Creek flood status · Colorado river levels

Nearby: river levels near Longmont · river levels near Fort Lupton

Is Boulder Creek at Mouth near Longmont, CO flooding right now?

Boulder Creek at Mouth near Longmont, CO measured 9.40 ft on 2026-10-27 19:00:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

9.40 ft

as of 51 min ago

Streamflow

17 cfs

data refreshed 4 min ago

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.

Nearby gauges

Gauge	Distance	County
St. Vrain Creek below Longmont, CO	1.3 mi	Weld County
St Vrain Creek below Boulder Creek at Hwy 119 near Longmont	1.6 mi	Weld County
Left Hand Creek at Hover Road near Longmont, CO	5.8 mi	Boulder County
Boulder Creek at North 75Th St. near Boulder, CO	10.3 mi	Boulder County
South Platte River at Fort Lupton, Co.	10.8 mi	Weld 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