St. Croix River
River in Wisconsin, read from 3 USGS gauges, draining about 7,650 square miles. Figures refresh every fifteen minutes.
Discharge
2,580
cfs · 46 min ago
Normal for today
5,140
cfs median, 18 yrs
Water temp
59
°F · 46 min ago
Gage height
25.22
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 5,140 cfs over 18 years of record, with the middle half of years falling between 3,450 and 7,620 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 St. Croix River
St. Croix River does not have its own verified chart yet. This calendar is combined from the verified charts on Namekagon River (44 mi), Bois Brule River (45 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: absent | February: absent | March: active | April: peak | May: active | June: active | July: absent | August: absent | September: peak | October: active | November: absent | December: absent |
| Brown Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Hendrickson | January: absent | February: absent | March: absent | April: peak | May: peak | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Hex | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: peak | August: absent | September: absent | October: absent | November: absent | December: absent |
| Isonychia | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: active | September: absent | October: absent | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Sulphur | January: absent | February: absent | March: absent | April: absent | May: peak | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: active | September: active | October: active | November: absent | December: absent |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: peak | September: active | October: absent | November: absent | December: absent |
| Trico | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: peak | August: absent | September: absent | October: absent | November: absent | December: absent |
| White Fly | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: peak | September: absent | October: absent | November: absent | December: absent |
Reports
From anglers on St. Croix 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.