Creek WY

Black Thunder Creek

Wyoming • 43.7021, -104.9817

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

80 mi

128 km

Elevation

4,886′ → 4,044′

842 ft drop

Stream Order

Major River

Slope

0.20%

10.5 ft/mi

Drainage

514 mi²

1,332 km²

Avg Flow

-- cfs

2.8 mph velocity

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar