Snake River
River in Idaho, read from 22 USGS gauges, draining about 69,200 square miles. Figures refresh every fifteen minutes.
Discharge
9,370
cfs · 1h ago
Normal for today
12,700
cfs median, 116 yrs
Water temp
61
°F · 1h ago
Gage height
3.25
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 12,700 cfs over 116 years of record, with the middle half of years falling between 10,600 and 14,900 cfs. Today is below that band: lower, clearer and, in summer, warmer water than a typical October day here.
Regional hatch calendar
What is likely hatching near Snake River
Snake River does not have its own verified chart yet. This calendar is combined from the verified charts on Snake River South Fork (0 mi), Hoback River (27 mi), Teton River (30 mi). Treat it as regional timing, and file a report if you see something different here.
| Insect | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue-Winged Olive | January: active | February: active | March: peak | April: peak | May: active | June: absent | July: absent | August: absent | September: active | October: peak | November: peak | December: active |
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | July: peak | August: peak | September: peak | October: active | November: absent | December: absent |
| Golden Stonefly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: peak | August: active | September: absent | October: absent | November: absent | December: absent |
| Pale Morning Dun | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
| Grasshopper | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: peak | October: absent | November: absent | December: absent |
| Midge | January: peak | February: peak | March: peak | April: peak | May: active | June: absent | July: absent | August: absent | September: active | October: peak | November: peak | December: peak |
| Gray Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: active | September: absent | October: absent | November: absent | December: absent |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: peak | September: absent | October: absent | November: absent | December: absent |
| Hecuba Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: absent | September: peak | October: absent | November: active | December: absent |
| Little Yellow Stonefly | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: active | September: active | October: absent | November: absent | December: absent |
| Mahogany Dun | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: absent | September: peak | October: peak | November: absent | December: absent |
| Salmonfly | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: absent | September: absent | October: absent | November: absent | December: absent |
Reports
From anglers on Snake River
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.