South Fork Teton River
River in Idaho, read from its USGS gauge, draining about 1,070 square miles. Figures refresh every fifteen minutes.
Discharge
38.4
cfs · 40 min ago
Normal for today
115
cfs median, 40 yrs
Water temp
—
not measured here
Gage height
4.51
ft
Reading the number
On this date the gauge has averaged 115 cfs over 40 years of record, with the middle half of years falling between 73.0 and 173 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 South Fork Teton River
South Fork Teton River does not have its own verified chart yet. This calendar is combined from the verified charts on Teton River (29 mi), Snake River South Fork (44 mi), Henrys Fork (44 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 |
| 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 |
| Pale Morning Dun | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | 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 |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: absent | October: absent | November: absent | December: absent |
| Salmonfly | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: peak | August: absent | September: absent | October: absent | November: absent | December: absent |
| Trico | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: peak | September: peak | October: active | November: absent | December: absent |
| Brown Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Callibaetis | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
Reports
From anglers on South Fork Teton 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.