Iowa River
River in Iowa, read from 12 USGS gauges, draining about 12,630 square miles. Figures refresh every fifteen minutes.
Discharge
26,600
cfs · 1h ago
Normal for today
2,920
cfs median, 17 yrs
Water temp
49
°F · 3093d ago
Gage height
8.88
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 2,920 cfs over 17 years of record, with the middle half of years falling between 2,010 and 14,800 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 Iowa River
Iowa River does not have its own verified chart yet. This calendar is combined from the verified charts on Root River (125 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 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.