Gardner River near Mammoth, MT

River level and flood forecast · Park County

Normal1.9 ftas of Mon 1:45 PM

Flow: 122 cubic feet per second (USGS).

The last 7 days and the forecast

1.61.71.81.922.1TueWedThuFriSatSunMonNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Action stage5.5 ft
Record crest (June 5, 2010)5.09 ft

What floods at each level

From the National Weather Service, highest first.

  • 5.5 ftBankfull stage.
  • 5.09 ftRecord stage and flow---2,110 cfs (6/5/2010).

Highest crests on record

  1. 5.09 ft — June 5, 2010
  2. 5.03 ft — June 2, 1997
  3. 4.98 ft — May 16, 1996
  4. 4.83 ft — May 22, 1993
  5. 4.7 ft — June 1, 2003

Recent crests: 4.16 ft (June 1, 2020) · 4.14 ft (June 7, 2019) · 4.39 ft (May 26, 2018) · 4.11 ft (June 6, 2017) · 3.28 ft (June 8, 2016)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GDRM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.