Red Flag Warning
2026-03-13T20:00:00-06:00

* AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251. * TIMING...For the first Red Flag Warning, until 8 PM MDT this evening. For the second Red Flag Warning, from 11 AM to 9 PM MDT Saturday. * WINDS...Today, west winds 15 to 25 mph with gusts 25 to 35 mph. On Saturday, west winds 20 to 30 mph with gusts 35 to 60 mph, strongest west of I-25. * RELATIVE HUMIDITY...Today, 12 to 17 percent. On Saturday, 8 to 15 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: March 13, 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 1,830 cfs, and is expected to yield approximately 3,630 acre-ft of water today; about 59% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 3,124 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 At J H Herrick Dr At Columbus Oh reporting a streamflow rate of 661 cfs. This is also the highest stage along the Olentangy River, with a gauge stage of 712.18 ft at this location. 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 2026-03-13
Discharge Volume 3,630 ACRE-FT
Streamflow 1,830.0 cfs
-576.0 cfs (-23.94%)
Percent of Normal 58.58%
Maximum 18,830.0 cfs
2020-05-19
Seasonal Avg 3,124 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
512 cfs 2.84 ft -22.42
Olentangy River Near Worthington Oh
USGS 03226800
657 cfs 2.98 ft -29.88
Olentangy River At J H Herrick Dr At Columbus Oh
USGS 03227107
661 cfs 712.18 ft -18.29
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.