Clark Fork River
River in Idaho, read from its USGS gauge, draining about 22,067 square miles. Figures refresh every fifteen minutes.
Discharge
6,580
cfs · 1h ago
Normal for today
8,690
cfs median, 31 yrs
Water temp
—
not measured here
Gage height
7.82
ft
Reading the number
On this date the gauge has averaged 8,690 cfs over 31 years of record, with the middle half of years falling between 6,740 and 11,500 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 Clark Fork River
Clark Fork River does not have its own verified chart yet. This calendar is combined from the verified charts on Kootenai River (41 mi), St Joe River (56 mi), Crowsnest River (129 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: active | July: absent | August: active | September: peak | October: peak | November: active | December: active |
| Caddis | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: peak | August: peak | September: active | October: peak | 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 |
| Golden Stonefly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: absent | August: absent | 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: absent | October: active | November: peak | December: peak |
| October Caddis | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: active | September: peak | October: peak | November: absent | December: absent |
| Salmonfly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: peak | October: absent | November: absent | December: absent |
| Grannom | January: absent | February: absent | March: absent | April: absent | May: peak | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Grasshopper | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
Reports
From anglers on Clark Fork 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.