Big River

River in Missouri, read from 5 USGS gauges, draining about 917 square miles. Figures refresh every fifteen minutes.

Discharge

108

cfs · 15 min ago

Normal for today

155

cfs median, 104 yrs

Water temp

°F · 4758d ago

Gage height

1.65

Below normal for the date70% of medianUSGS gauge 07018500

Thirty-day mean discharge · 108–161 cfsdashed line: today’s long-term median

Gauges on this water

Reading by reach

Station	Flow	Temp	Updated
Big River at Byrnesville, MO07018500	108 cfs	71°F	15 min ago
Big River near Richwoods, MO07018100	71.7 cfs	—	30 min ago
Big River below Bonne Terre, MO07017610	14.7 cfs	66°F	30 min ago

Reading the number

On this date the gauge has averaged 155 cfs over 104 years of record, with the middle half of years falling between 118 and 252 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 Big River

Big River does not have its own verified chart yet. This calendar is combined from the verified charts on Current River (57 mi), White River (142 mi). Treat it as regional timing, and file a report if you see something different here.

Month-by-month insect activity for Big River
Insect	J	F	M	A	M	J	J	A	S	O	N	D
Blue-Winged Olive	January: active	February: active	March: peak	April: peak	May: active	June: active	July: active	August: active	September: active	October: peak	November: active	December: active
Caddis	January: active	February: active	March: peak	April: peak	May: peak	June: active	July: active	August: active	September: active	October: active	November: active	December: active
Midge	January: peak	February: peak	March: active	April: active	May: active	June: active	July: active	August: active	September: active	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
Sulphur	January: absent	February: absent	March: absent	April: absent	May: peak	June: peak	July: peak	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: peak	October: active	November: absent	December: absent
Sculpin	January: active	February: active	March: active	April: active	May: active	June: active	July: active	August: active	September: active	October: active	November: active	December: active
Shad	January: active	February: peak	March: active	April: absent	May: absent	June: absent	July: absent	August: absent	September: absent	October: absent	November: absent	December: active
Sowbug	January: active	February: active	March: active	April: active	May: active	June: peak	July: peak	August: peak	September: active	October: active	November: active	December: active
Trico	January: absent	February: absent	March: absent	April: absent	May: absent	June: absent	July: peak	August: peak	September: peak	October: absent	November: absent	December: absent

PeakActiveAbsent

Reports

From anglers on Big 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.