North Branch Chicago River
River in Illinois, read from 4 USGS gauges, draining about 179 square miles. Figures refresh every fifteen minutes.
Discharge
425
cfs · 5853d ago
Normal for today
467
cfs median, 8 yrs
Water temp
—
not measured here
Gage height
-1.96
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 467 cfs over 8 years of record, with the middle half of years falling between 426 and 587 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 North Branch Chicago River
North Branch Chicago River does not have its own verified chart yet. This calendar is combined from the verified charts on Black Earth Creek (119 mi), Muskegon River (141 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | July: active | August: active | September: active | October: absent | November: absent | December: absent |
| Sulphur | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Blue-Winged Olive | January: absent | February: absent | March: active | April: peak | May: active | June: active | July: active | August: active | September: peak | October: peak | November: absent | December: absent |
| Brown Trout | January: active | February: active | March: active | April: absent | May: absent | June: absent | July: absent | August: absent | September: active | October: peak | November: peak | December: active |
| Chinook Salmon | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: active | September: active | October: peak | November: absent | December: absent |
| Gray Drake | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Hendrickson | January: absent | February: absent | March: absent | April: peak | May: active | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Isonychia | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: active | September: active | October: absent | November: absent | December: absent |
| Light Cahill | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: active | September: absent | October: absent | November: absent | December: absent |
| Little Black Stonefly | January: absent | February: active | March: peak | 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: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Midge | January: peak | February: peak | March: active | April: absent | May: absent | June: absent | July: absent | August: absent | September: absent | October: active | November: active | December: peak |
Reports
From anglers on North Branch Chicago 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.