Big Hole River near Melrose, MT

River level and flood forecast · Madison County

Normal1.8 ftas of Mon 2:15 PM

The river is 4.2 ft below flood stage (6 ft).

Flow: 411 cubic feet per second (USGS).

The last 7 days and the forecast

0246810TueWedThuFriSatSunMonAction 5 ftFlood 6 ftModerate 7.5 ftMajor 8 ftNowObserved (ft)NWS forecast

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

Flood stages

Major flood stage8 ft
Moderate flood stage7.5 ft
Flood stage6 ft
Action stage5 ft
Record crest (June 9, 1997)8.09 ft

What floods at each level

From the National Weather Service, highest first.

  • 8 ftThe town of Melrose begins to flood on the south end of town.
  • 7 ftAgricultural land floods and irrigation systems need to be protected.
  • 6.5 ftAt 6.5 Feet - May 2018 - Water continues to impact agriculutral land along the river and equipment near the river needs to be protected. A couple of homes in the Meriweather Subdivison impacted with basement flooding. Sections of Burma Road impacted.
  • 6.4 ft6.4 Feet June 19, 2020. River was above flood stage. Cause - Snowmelt/runoff from rainfall about 2 days prior. Bigh Hole River upstream at BHD rose to about 6.6 feet. Downstream at Glen, it rose to about 6.5 feet.
  • 6.2 ftAt 6.2 Feet on the Big Hole River...water starts to come out of its bank and affect a home/driveway near Glen. Look at staff gauge GNLM8...that should be around 6.5 feet on the Big Hole River near Glen for flooding around Glen. (June 2017)

Highest crests on record

  1. 8.09 ft — June 9, 1997
  2. 8.04 ft — June 10, 1972
  3. 7.88 ft — June 9, 1964
  4. 7.76 ft — June 3, 1948
  5. 7.72 ft — May 27, 1942

Recent crests: 6.45 ft (June 19, 2020) · 7.05 ft (May 27, 2018) · 6.21 ft (May 11, 2018) · 5.25 ft (April 27, 2012) · 7.46 ft (June 10, 2011)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MLRM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.