Snake River Flow Today
As of October 21, 2026 at 12:15 AM, the Snake River is flowing at 13,100 cfs near Anatone, WA — 89% of normal for the date. 26 of 27 USGS gauges reported in the last 3 days; flows range from 0 to 13,100 cfs. ❤ Favorite
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Snake River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Anatone, the Snake River is running 13,100 cfs — 89% of normal. Along the river, 18 of 26 reporting gauges are below normal (the typical gauge is at 85% of normal).
In the last 24 hours the river is dropping at Lorenzo Id (-36%) and Twin Falls Id (-16%).
Highest against normal: King Hill Id at 104%. Lowest: Milner Id at 0%.
How the Snake River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Montezuma9,326 ft 20 cfs88%
- Flagg Ranch Wy6,818 ft 262 cfs84%
- Moran Wy6,732 ft 266 cfs91%
- Moose6,443 ft 890 cfs91%
- Jackson Wy5,930 ft 1,450 cfs94%
- Alpine Wy5,696 ft 1,760 cfs93%
- Irwin Id5,369 ft 1,770 cfs65%
- Heise Id5,052 ft 2,400 cfs73%
- Lorenzo Id4,848 ft 862 cfs71%
- Menan Id4,789 ft 1,800 cfs62%
- Idaho Falls Id4,740 ft 2,590 cfs87%
- Shelley Id4,607 ft 2,330 cfs73%
- Blackfoot Id4,477 ft 1,960 cfs83%
- Blackfoot Id4,419 ft 2,320 cfs91%
- Neeley Id4,244 ft 304 cfs35%
- Minidoka Id (at Howells Ferry)4,133 ft 416 cfs62%
- Milner Id4,068 ft 0 cfs0%
- Twin Falls Id3,124 ft 443 cfs84%
- Buhl Id2,960 ft 1,680 cfs81%
- King Hill Id2,503 ft 7,310 cfs104%
- Murphy Id2,273 ft 6,810 cfs95%
- Nyssa Or2,165 ft 7,540 cfs86%
- Weiser Id2,092 ft 9,590 cfs86%
- Pine City922 ft 88 cfs41%
- China Gardens858 ft 12,600 cfs91%
- Anatone813 ft 13,100 cfs89%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Snake River streamgauge, placed by its own percent of normal. The line is the typical gauge (85%).
Snake River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Snake River Near Montezuma CO
Oct 21, 1:15 AM · USGS 09047500 |
20 cfs | 88% | -4% | 1.21 ft | 2.6 ft below | 9,326 ft |
|
Snake River Above Jackson Lake At Flagg Ranch Wy WY
Oct 21, 1:30 AM · USGS 13010065 |
262 cfs | 84% | 0% | 2.39 ft | · | 6,818 ft |
|
Snake River Near Moran Wy WY
Oct 21, 1:45 AM · USGS 13011000 |
266 cfs | 91% | -1% | 2.27 ft | · | 6,732 ft |
|
Snake River At Moose WY
Oct 21, 1:00 AM · USGS 13013650 |
890 cfs | 91% | -10% | 8.89 ft | · | 6,443 ft |
|
Snake River Below Flat Creek Near Jackson Wy WY
Oct 21, 1:30 AM · USGS 13018750 |
1,450 cfs | 94% | -2% | 1.24 ft | · | 5,930 ft |
|
Snake River Above Reservoir Near Alpine Wy WY
Oct 21, 1:30 AM · USGS 13022500 |
1,760 cfs | 93% | -2% | 2.96 ft | · | 5,696 ft |
|
Snake River Near Irwin Id ID
Oct 21, 1:30 AM · USGS 13032500 |
1,770 cfs | 65% | +1% | 5.02 ft | · | 5,369 ft |
|
Snake River Near Heise Id ID
Oct 21, 1:30 AM · USGS 13037500 |
2,400 cfs | 73% | -7% | 2.25 ft | 5.8 ft below | 5,052 ft |
|
Snake River At Lorenzo Id ID
Oct 21, 1:15 AM · USGS 13038500 |
862 cfs | 71% | -36% | 3.03 ft | · | 4,848 ft |
|
Snake River Near Menan Id ID
Oct 21, 12:45 AM · USGS 13057000 |
1,800 cfs | 62% | -15% | 1.61 ft | · | 4,789 ft |
|
Snake River Above Eagle Rock Near Idaho Falls Id ID
Oct 21, 12:45 AM · USGS 13057155 |
2,590 cfs | 87% | -11% | 5.88 ft | · | 4,740 ft |
|
Snake River Near Shelley Id ID
Oct 21, 1:15 AM · USGS 13060000 |
2,330 cfs | 73% | -14% | 5.39 ft | 7.1 ft below | 4,607 ft |
|
Snake River At Blackfoot Id ID
Oct 21, 1:15 AM · USGS 13062500 |
1,960 cfs | 83% | +1% | 5.29 ft | 5.2 ft below | 4,477 ft |
|
Snake River Near Blackfoot Id ID
Oct 21, 1:15 AM · USGS 13069500 |
2,320 cfs | 91% | +1% | 2.93 ft | · | 4,419 ft |
|
Snake River At Neeley Id ID
Oct 21, 1:30 AM · USGS 13077000 |
304 cfs | 35% | 0% | 2.01 ft | · | 4,244 ft |
|
Snake River Near Minidoka Id (at Howells Ferry) ID
Oct 21, 1:45 AM · USGS 13081500 |
416 cfs | 62% | -2% | 2.55 ft | · | 4,133 ft |
|
Snake River Gaging Station At Milner Id ID
Oct 21, 1:30 AM · USGS 13087995 |
0 cfs | 0% | · | 0.65 ft | · | 4,068 ft |
|
Snake River Near Twin Falls Id ID
Oct 21, 1:30 AM · USGS 13090500 |
443 cfs | 84% | -16% | 1.71 ft | · | 3,124 ft |
|
Snake River Near Buhl Id ID
Oct 21, 1:30 AM · USGS 13094000 |
1,680 cfs | 81% | -9% | 1.11 ft | · | 2,960 ft |
|
Snake River At King Hill Id ID
Oct 21, 12:45 AM · USGS 13154500 |
7,310 cfs | 104% | -15% | 6.13 ft | · | 2,503 ft |
|
Snake River Near Murphy Id ID
Oct 21, 1:15 AM · USGS 13172500 |
6,810 cfs | 95% | +1% | 24.86 ft | · | 2,273 ft |
|
Snake River At Nyssa Or ID
Oct 21, 1:30 AM · USGS 13213100 |
7,540 cfs | 86% | +2% | 6.01 ft | · | 2,165 ft |
|
Snake River At Weiser Id ID
Oct 21, 12:45 AM · USGS 13269000 |
9,590 cfs | 86% | +6% | 3.31 ft | 8.7 ft below | 2,092 ft |
|
Snake River At Hells Canyon Dam Id-or State Line OR
Last reported Feb 9 · USGS 13290450 |
19,200 cfs | · | · | 68.09 ft | · | 1,471 ft |
|
Snake River Near Pine City MN
Oct 21, 2:00 AM · USGS 05338500 |
88 cfs | 41% | -1% | 2.78 ft | 6.2 ft below | 922 ft |
|
Snake River Below Mcduff Rapids At China Gardens ID
Oct 21, 12:45 AM · USGS 13317660 |
12,600 cfs | 91% | -1% | 4.99 ft | · | 858 ft |
|
Snake River Near Anatone WA
Oct 21, 12:15 AM · USGS 13334300 |
13,100 cfs | 89% | -1% | 3.28 ft | 16.7 ft below | 813 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Dams & reservoirs on the Snake River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Snake River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Snake River
The Snake River is a major river in the United States, stretching over 1,000 miles from Wyoming to Washington, and is a tributary of the Columbia River. The river has a storied history, serving as a vital transportation route for Native Americans and later European settlers. Today, the river is heavily utilized for hydroelectric power, with several large dams and reservoirs along its length, such as the Hells Canyon Dam and the Jackson Lake Dam. These dams have transformed the river into a major source of energy for the region, but have also had significant impacts on the river's ecology and the surrounding landscapes. Additionally, the Snake River and its reservoirs are popular recreational destinations, offering activities such as fishing, boating, and camping. The river also plays a critical role in the region's agricultural sector, providing irrigation for crops and supporting the livelihoods of many farmers and ranchers.
About the Snake River
How is the Snake River flowing right now?
As of October 21, 2026, the Snake River is flowing at 13,100 cfs near Anatone, WA, about 89% of normal for the date. Across its 27 USGS gauges, current flows range from 0 to 13,100 cfs. Every gauge’s live reading is in the table above.
Is the Snake River running high or low?
The typical gauge on the Snake River is at 85% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Snake River?
The National Weather Service sets flood stages for Montezuma (3.8 ft), Heise Id (8.0 ft), Shelley Id (12.5 ft), Blackfoot Id (10.5 ft), Weiser Id (12.0 ft), Pine City (9.0 ft), Anatone (20.0 ft). The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.