Red Flag Warning
2026-04-13T20:00:00-06:00

* AFFECTED AREA...Fire Weather Zones 214, 216, 238, 241, 242, 246 and 247. * TIMING...From 11 AM this morning to 8 PM MDT this evening. * WINDS...Southwest 10 to 20 mph with gusts around 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.

Heart River

Last Updated: April 13, 2026

Total streamflow across the Heart River was last observed at 602 cfs, and is expected to yield approximately 1,194 acre-ft of water today; about 47% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 1,274 cfs, with recent peaks last observed on 2014-04-09 when daily discharge volume was observed at 28,030 cfs.

Maximum discharge along the river is currently at the Heart River Nr Mandan reporting a streamflow rate of 281 cfs. This is also the highest stage along the Heart River, with a gauge stage of 10.62 ft at this location. This river is monitored from 5 different streamgauging stations along the Heart River, the highest being situated at an altitude of 2,452 ft, the Heart River Nr South Heart.

The Heart River is a 180-mile long tributary of the Missouri River located in North Dakota.


15-Day Long Term Forecast


River Details

Last Updated 2026-04-13
Discharge Volume 1,194 ACRE-FT
Streamflow 602.02 cfs
Past 24 Hours: -32.62 cfs (-5.14%)
Percent of Normal 47.25%
Maximum 28,030.0 cfs
2014-04-09
Seasonal Avg 1,274 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Heart River Nr South Heart
USGS 06343000
5 cfs 3.11 ft -7.87
Heart River Nr Richardton
USGS 06345500
38 cfs 4.58 ft -13.99
Heart R Ab Lake Tschida Nr Glen Ullin
USGS 06345780
65 cfs 3.2 ft -5.97
Heart River At Stark Bridge Nr Judson
USGS 06348300
214 cfs 3.22 ft -4.04
Heart River Nr Mandan
USGS 06349000
281 cfs 10.62 ft -4.42
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Heart River is a tributary of the Missouri River, approximately 180 miles (290 km) long, in western North Dakota, United States.