Clark Fork
River in Montana, read from 10 USGS gauges, draining about 19,964 square miles. Figures refresh every fifteen minutes.
Discharge
10,100
cfs · 23 min ago
Normal for today
9,690
cfs median, 116 yrs
Water temp
—
not measured here
Gage height
4.54
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 9,690 cfs over 116 years of record, with the middle half of years falling between 7,560 and 12,400 cfs. Today sits inside that band, which is as close to a normal October day as the gauge can tell you.
Regional hatch calendar
What is likely hatching near Clark Fork
Clark Fork does not have its own verified chart yet. This calendar is combined from the verified charts on Flint Creek (29 mi), Big Hole River (47 mi), Rock Creek (56 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: active | December: active |
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | 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: active | September: absent | October: absent | November: absent | December: absent |
| Midge | January: peak | February: peak | March: peak | April: active | May: active | June: absent | July: absent | August: absent | September: active | October: active | November: peak | December: peak |
| 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: active | October: absent | November: absent | December: absent |
| Salmonfly | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Skwala | January: absent | February: absent | March: active | April: peak | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: active | May: peak | June: absent | July: absent | 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 |
| Yellow Sally | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
Reports
From anglers on Clark Fork
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.