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Teton River (ID) near St. Anthony, ID

River level and flood forecast · Fremont County

Normal2.5 ftas of Mon 8:15 PM

The river is 3.5 ft below flood stage (6 ft).

Forecast to fall to 2.2 ft by Mon, Oct 19, 6 PM.

Flow: 502 cubic feet per second (USGS).

The last 7 days and the forecast

02468TueThuSatMonWedFriSunAction 5.5 ftFlood 6 ftModerate 6.5 ftMajor 7 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 8:56 AM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage7 ft
Moderate flood stage6.5 ft
Flood stage6 ft
Action stage5.5 ft
Record crest (June 11, 1997)6.78 ft

What floods at each level

From the National Weather Service, highest first.

  • 7 ftSignificant (major) flooding is possible between Newdale and Rexburg.
  • 6.5 ftFlooding (moderate) will top portions of levees between 2400 East and 2500 East in Fremont County.
  • 6.2 ftFlood waters are close to bottom of county bridge at 2400 East south of Wilford.
  • 6 ftLowland flooding (minor) can be expected on Madison County roads 3000 North to 5000 North and between Hibbard Road to 4000 east (Crane Lane) north of Hibbard and Salem; and in Fremont County between the county line to 200 North and 2400 East (Teton Highway) south of Wilford to 2500 East.

Highest crests on record

  1. 6.78 ft — June 11, 1997
  2. 6.72 ft — June 7, 2010
  3. 6.7 ft — May 30, 1983
  4. 6.61 ft — June 14, 2011
  5. 6.54 ft — June 9, 1981

Recent crests: 5.55 ft (June 13, 2022) · 4.88 ft (June 6, 2021) · 5.79 ft (June 1, 2020) · 5.36 ft (June 8, 2019) · 5.9 ft (May 24, 2018)

Up and down the river, and nearby

See it on the live map →Radar & warnings for Fremont CountyNWS gauge pageUSGS gauge 13055000

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (TEAI1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.