Illinois River
River in Oregon, read from 2 USGS gauges, draining about 988 square miles. Figures refresh every fifteen minutes.
Discharge
158
cfs · 1h ago
Normal for today
259
cfs median, 24 yrs
Water temp
65
°F · 1h ago
Gage height
3.59
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 259 cfs over 24 years of record, with the middle half of years falling between 188 and 459 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 Illinois River
Illinois River does not have its own verified chart yet. This calendar is combined from the verified charts on Rogue River (32 mi), Klamath River (64 mi), North Umpqua River (93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Blue-Winged Olive | January: absent | February: absent | March: peak | April: peak | May: active | June: absent | July: absent | August: absent | September: active | October: peak | November: peak | December: absent |
| Caddis | January: absent | February: absent | March: active | April: peak | May: peak | June: peak | July: peak | August: peak | September: active | October: active | 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: absent | September: active | October: peak | November: active | December: absent |
| Pale Morning Dun | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: peak | August: active | September: absent | October: absent | November: absent | December: absent |
| Coho | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: absent | September: absent | October: active | November: peak | December: active |
| Fall Chinook | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: peak | September: peak | October: peak | November: active | December: active |
| Half-Pounder Steelhead | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: active | September: peak | October: peak | November: active | December: absent |
| March Brown | January: absent | February: absent | March: active | April: peak | May: active | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Salmonfly | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Spring Chinook | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: peak | August: active | September: absent | October: absent | November: absent | December: absent |
Reports
From anglers on Illinois 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.