Rock Creek near Clinton, MT

River level and flood forecast · Missoula County

Normal5.3 ftas of Mon 2:45 PM

The river is 3.7 ft below flood stage (9 ft).

Forecast to hold near 5.3 ft through Mon, Oct 19, 12 PM.

Flow: 270 cubic feet per second (USGS).

The last 7 days and the forecast

4681012TueThuSatMonWedFriSunAction 8.5 ftFlood 9 ftModerate 9.5 ftMajor 10 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 9:35 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage10 ft
Moderate flood stage9.5 ft
Flood stage9 ft
Action stage8.5 ft
Record crest (May 21, 2020)8.63 ft

What floods at each level

From the National Weather Service, highest first.

  • 9 ftHigh water may affect property and homes between mile marker 10 and 15 upstream from Clinton. Bank erosion is also likely and possible road washouts along the upper reaches of the creek will occur.

Highest crests on record

  1. 8.63 ft — May 21, 2020
  2. 8.63 ft — May 10, 2018
  3. 8.53 ft — June 14, 2017
  4. 8.52 ft — June 1, 1972
  5. 8.18 ft — May 27, 2014

Recent crests: 7.12 ft (May 12, 2025) · 7.82 ft (June 12, 2022) · 7.51 ft (June 5, 2021) · 8.63 ft (May 21, 2020) · 8.08 ft (May 18, 2019)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RCCM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.