Yahara River River Levels

Last Updated: December 4, 2025

The Yahara River is a 65-mile long tributary of the Rock River in southern Wisconsin.


Summary

Total streamflow across the Yahara River was last observed at 1,143 cfs, and is expected to yield approximately 2,267 acre-ft of water today; about 72% of normal. Average streamflow for this time of year is 1,592 cfs, with recent peaks last observed on 2019-03-15 when daily discharge volume was observed at 6,960 cfs.

Maximum discharge along the river is currently at the Yahara River Near Fulton reporting a streamflow rate of 401 cfs. However, the streamgauge with the highest stage along the river is the Yahara River At State Hwy 113 At Madison with a gauge stage of 8.99 ft. This river is monitored from 6 different streamgauging stations along the Yahara River, the highest being situated at an altitude of 875 ft, the Yahara River At Windsor.

River Details

Last Updated 2025-12-04
Discharge Volume 2,267 ACRE-FT
Streamflow 1,142.8 cfs
-224.5 cfs (-16.42%)
Percent of Normal 71.8%
Maximum 6,960.0 cfs
2019-03-15
Seasonal Avg 1,592 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Yahara River At Windsor
USGS 05427718
15 cfs 1.07 ft -6.87
Yahara River At East Main Street At Madison
USGS 05428500
248 cfs 4.7 ft 2.9
Yahara River At State Hwy 113 At Madison
USGS 05427850
54 cfs 8.99 ft 57.14
Yahara River At Mc Farland
USGS 05429500
268 cfs 3.84 ft -1.11
Yahara River At Forton St. Bridge At Stoughton
USGS 05429700
157 cfs 6.71 ft -56.51
Yahara River Near Fulton
USGS 05430175
401 cfs 4.54 ft -9.68
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Yahara River is a tributary of the Rock River in southern Wisconsin in the United States. It is about 62 miles (100 km) long (including the distance across intervening lakes), and drains an area of 536 square miles (1,390 km2). Via the Rock River, it is part of the watershed of the Mississippi River. The Yahara River links the lakes around which the city of Madison was built.