Rivers and flooding in Idaho
223 river gauges the National Weather Service watches in Idaho. Each has its forecast, flood stages and impacts, and its crest history.
Flood outlook
Significant river flooding over the next five days, and each gauge’s chance of flooding over the next three months.
Significant river flooding is occurring in Idaho through September 25.
Significant flooding is already occurring or is forecast to occur during the outlook period.
Most likely to flood, September to November
- Little Salmon River at Riggins-99900% chance of moderate flooding
- Middle Fork Payette River at Crouch-99900% chance of major flooding
- Mores Creek above Robie Creek-99900% chance of major flooding
- South Fork Boise River at Pine (near Featherville)-99900% chance of major flooding
- South Fork Clearwater River at Stites-99900% chance of major flooding
5 of the 24 gauges the River Forecast Centers forecast in Idaho have a stated chance of flooding in this period.
Antelope Creek (ID)
Bear River
Big Jacks Creek
Big Lost River
- Big Lost River at Abv Sinks nr HoweNo flood stages set
- Big Lost River at ArcoBelow flood stage
- Big Lost River at Arco At Sunset RoadNo flood stages set
- Big Lost River at Howell RanchBelow flood stage
- Big Lost River at INL DiversionBelow flood stage
- Big Lost River at INL Diversion at Head near ArcoBelow flood stage
- Big Lost River at LeslieNo flood stages set
- Big Lost River at Lincoln Bridge INL ComplexBelow flood stage
- Big Lost River at Mackay ReservoirBelow flood stage
- Big Lost River at Moore Div Nr MooreNo flood stages set
Big Springs
Big Wood River
Billingsley Creek
Blackfoot River
Boise River
- Boise River at Boise (Glenwood Bridge)Below flood stage
- Boise River at CaldwellNo flood stages set
- Boise River at Diversion DamNo flood stages set
- Boise River at Eagle IslandBelow flood stage
- Boise River at Lucky Peak DamNo flood stages set
- Boise River at MiddletonNo flood stages set
- Boise River at ParmaNo flood stages set
- Boise River at South Channel at EagleNo flood stages set
- Boise River at Twin SpringsNo flood stages set
Box Canyon Springs
Briggs Spring
Bruneau River
Camas Creek (Eastern ID)
Camas Creek (south-central Idaho)
Canyon Creek
Cassia Creek
CLARK FORK
Clark Fork River
Clearwater River
Coeur d'Alene River
Crane Creek
Deadwood River
Devils Washbowl Spring
Dworshak Reservoir
East Fork Big Wood River
East Fork Bruneau River
East Fork Jarbidge River
East Fork Owyhee River
East Fork Salmon River
Eastern Idaho Reservoirs
- Eastern Idaho Reservoirs at American FallsBelow flood stage
- Eastern Idaho Reservoirs at Henrys LakeBelow flood stage
- Eastern Idaho Reservoirs at Island ParkBelow flood stage
- Eastern Idaho Reservoirs at Little Wood ReservoirBelow flood stage
- Eastern Idaho Reservoirs at Mackay DamBelow flood stage
- Eastern Idaho Reservoirs at Magic DamReading out of date
- Eastern Idaho Reservoirs at Minidoka DamBelow flood stage
- Eastern Idaho Reservoirs at PalisadesBelow flood stage
- Eastern Idaho Reservoirs at Ririe DamBelow flood stage
EF of SF Salmon River
Fall River (WY-ID)
Goose Creek (ID)
Grays Lake Diversion to Blackfoot River
Henrys Fork
Johnson Creek
Kootenai River
Lake Coeur d'Alene
Lake Fork Payette River
Lake Pend Oreille
Lake Waha
Lapwai Creek
Lawyer Creek
Lemhi River
Lightning Creek
Little Lost River
Little Salmon River
Little Weiser River
Little Wood River
Lochsa River
Lower Cedar Creek
Malad River
Marsh Creek (Eastern ID)
Medicine Lodge Creek (ID)
Middle Fork Payette River
Middle Fork Salmon River
Mores Creek
Moyie River
New York Canal Diversion
Ninemile Creek
North Fork Big Lost River
North Fork Big Wood River
North Fork Coeur d'Alene River
North Fork Payette River
North Fork Teton River
Orofino Creek
Paasasikwana Naokwaide
Pack River
Pahsimeroi River
Palouse River
Paradise Creek
Payette River
Pend Oreille River
Pine Creek (West-central Idaho)
Portneuf River
Potlatch River
Priest Lake
Priest River
Raft River
Rainey Creek
Rock Creek
Salmon Falls Creek
Salmon River
Selway River
Silver Creek (ID)
Snake River
- Snake River at BlackfootBelow flood stage
- Snake River at Blackfoot (Tilden Bridge-Ft. Hall)Below flood stage
- Snake River at Bliss Dam near BlissNo flood stages set
- Snake River at Brownlee DamNo flood stages set
- Snake River at BuhlNo flood stages set
- Snake River at C.J. Strike ReservoirNo flood stages set
- Snake River at HeiseBelow flood stage
- Snake River at Hells CanyonNo flood stages set
- Snake River at Idaho FallsReading out of date
- Snake River at IrwinBelow flood stage
- Snake River at King HillNo flood stages set
- Snake River at LorenzoBelow flood stage
- Snake River at Loveridge Bridge near BruneauNo flood stages set
- Snake River at Lower Salmon Falls near HagermanNo flood stages set
- Snake River at McDuff RapidsNo flood stages set
- Snake River at MenanReading out of date
- Snake River at MilnerNo flood stages set
- Snake River at Milner - CombinedNo flood stages set
- Snake River at Milner Lower Power PlantNo flood stages set
- Snake River at Minidoka Dam (at Howells Ferry)Below flood stage
- Snake River at MurphyNo flood stages set
- Snake River at NeeleyBelow flood stage
- Snake River at NyssaNo flood stages set
- Snake River at Pigeon Cove near Twin FallsNo flood stages set
- Snake River at ShelleyBelow flood stage
- Snake River at Twin FallsNo flood stages set
- Snake River at WeiserBelow flood stage
South Fork Boise River
South Fork Clearwater River
South Fork Coeur d'Alene River
South Fork Payette River
South Fork Salmon River
South Fork Teton River
Southwest Idaho Reservoirs
- Southwest Idaho Reservoirs at Anderson Ranch DamNo flood stages set
- Southwest Idaho Reservoirs at Arrowrock DamNo flood stages set
- Southwest Idaho Reservoirs at C J Strike ReservoirNo flood stages set
- Southwest Idaho Reservoirs at Deadwood ReservoirNo flood stages set
- Southwest Idaho Reservoirs at Lake LowellNo flood stages set
- Southwest Idaho Reservoirs at Mann Creek ReservoirNo flood stages set
- Southwest Idaho Reservoirs at Salmon Falls Creek ReservoirNo flood stages set
Spokane River
Spring Creek (Eastern ID)
Squaw Creek
Squaw Creek (ID)
St Joe River
St Maries River
Succor Creek
Sugar Creek
Teton River (ID)
Thompson Creek (ID)
Thousand Springs Creek
Trail Creek (ID)
Trapper Creek
Valley Creek
Warm Springs Creek (ID)
Weiser River
Wildhorse River
Willow Creek (Eastern ID)
Yankee Fork Salmon River
Sources
Gauges, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow from the U.S. Geological Survey.