South Fork Iowa River
River in Iowa, read from 2 USGS gauges, draining about 224 square miles. Figures refresh every fifteen minutes.
Discharge
607
cfs · 57 min ago
Normal for today
18.0
cfs median, 30 yrs
Water temp
36
°F · 5430d ago
Gage height
5.60
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 18.0 cfs over 30 years of record, with the middle half of years falling between 3.2 and 107 cfs. Today is above that band, so expect more push and colour than a typical October day here.
Regional hatch calendar
What is likely hatching near South Fork Iowa River
South Fork Iowa River does not have its own verified chart yet. This calendar is combined from the verified charts on Root River (132 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: absent | July: absent | August: absent | September: peak | October: peak | November: absent | December: absent |
| 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 |
| 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 |
| Scud | January: active | February: active | March: active | April: active | May: active | June: active | July: active | August: active | September: active | October: active | November: active | December: active |
| Sculpin | January: active | February: active | March: active | April: active | May: absent | June: absent | July: absent | August: absent | September: active | October: peak | November: active | December: active |
| Sulphur | 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: active | October: absent | November: absent | December: absent |
| Trico | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: peak | September: peak | October: active | November: absent | December: absent |
Reports
From anglers on South Fork Iowa 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.