Red Flag Warning
2025-12-20T00:00:00-07:00

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT... West west winds of 20-35 mph with gusts as high as 60 mph in wind prone areas near the base of the foothills will continue into this evening. They will also be spreading east onto the nearby adjacent plains and I-25 Corridor through late evening and overnight. While the Particularly Dangerous Situation for the foothills of Boulder and northern Jefferson Counties has eased, Red Flag conditions will remain in place as we stay in a near record warm, dry, and windy airmass along the Front Range through midnight. In fact, strong, gusty winds will persist through much of the night with only a slow improvement in humidity values. Thus, near critical Red Flag conditions will occur into early Saturday morning. * AFFECTED AREA...Fire Weather Zones 238, 240, 241, 242 and 243. * TIMING...Until midnight MST tonight. * WINDS...West 15 to 25 mph with gusts up to 50 mph west of I-25. * RELATIVE HUMIDITY...As low as 14 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.


Grant River River Levels

Last Updated: December 19, 2025

The Grant River is a 46-mile-long tributary of the Mississippi River located in southwestern Wisconsin.


Summary

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Grant River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Grant River, the highest being situated at an altitude of ft, the .

       
River Streamflow Levels
Start Free Trial
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Grant River At Burton
USGS 05413500 		345 cfs 6.18 ft -4.17
Seasonal Discharge Comparison
Start Free Trial
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Grant River is a 44-mile-long (71 km) tributary of the upper Mississippi River in southwestern Wisconsin in the United States. It flows for its entire length in Grant County. The city of Potosi is located near its mouth. Tributaries include Boice Creek, Rattlesnake Creek, Pigeon Creek, Blake Fork, Little Grant River, Borah Creek, and Rogers Branch. As part of the Driftless Area of Wisconsin, the river has a substantial valley.
The Army Corps of Engineers maintains the Grant River Recreation Area at the river's mouth. Camping, fishing and boating are the main attractions.
The river was named for an early trapper who lived on the river bank.