Red Flag Warning
2026-04-03T19:00:00-06:00

The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 8 AM to 7 PM MDT Friday. * AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242, 243, 244, 245, 248, 249, 250 and 251. * TIMING...From 8 AM to 7 PM MDT Friday. * WINDS...Northwest 20 to 35 mph, with gusts around 45 mph. Gusts as high as 60 mph near the foothills of Boulder and Larimer Counties. * RELATIVE HUMIDITY...As low as 16 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.


Olentangy River River Levels

Last Updated: April 2, 2026

The Olentangy River is a 97-mile long river in central Ohio that runs through Franklin, Delaware, and Marion counties.


Summary

Total streamflow across the Olentangy River was last observed at 1,940 cfs, and is expected to yield approximately 3,848 acre-ft of water today; about 113% of normal. Average streamflow for this time of year is 1,710 cfs, with recent peaks last observed on 2020-05-19 when daily discharge volume was observed at 18,830 cfs.

Maximum discharge along the river is currently at the Olentangy River Near Delaware Oh reporting a streamflow rate of 1,940 cfs. However, the streamgauge with the highest stage along the river is the Olentangy River At J H Herrick Dr At Columbus Oh with a gauge stage of 713.16 ft. This river is monitored from 3 different streamgauging stations along the Olentangy River, the highest being situated at an altitude of 877 ft, the Olentangy River Near Delaware Oh.




15-Day Weather Outlook


River Details

Last Updated 2026-04-02
Discharge Volume 3,848 ACRE-FT
Streamflow 1,940.0 cfs
-1640.0 cfs (-45.81%)
Percent of Normal 113.44%
Maximum 18,830.0 cfs
2020-05-19
Seasonal Avg 1,710 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Olentangy River Near Delaware Oh
USGS 03225500
1940 cfs 5.11 ft 18.29
Olentangy River Near Worthington Oh
USGS 03226800
1830 cfs 4.39 ft -5.67
Olentangy River At J H Herrick Dr At Columbus Oh
USGS 03227107
1410 cfs 713.16 ft -9.62
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Olentangy River is a 97-mile-long (156 km) tributary of the Scioto River in Ohio, United States.