* WHAT...Heat index values up to 109.
* WHERE...Portions of central, east central, northern, northwest,
southeast, and southern Oklahoma.
* WHEN...Until 7 PM CDT Sunday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Heat Advisory
Until 2026-08-16T01:00:00-05:00
•
National Weather Service
* WHAT...Heat index values up to 109.
* WHERE...Portions of central, east central, northern, northwest,
southeast, and southern Oklahoma.
* WHEN...Until 7 PM CDT Sunday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
CANADIAN RIVER AT CALVIN, OK
Realtime Data
•
Report
•
Conditions
18
Discharge (cfs)
4.6
Gauge Height (ft)
Streamflow discharge was last observed at 18 cfs, and a gauge height of 4.57 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 70 .
Weather today, Tomorrow,
The river is fed by several tributaries, including the North Fork and the Middle Fork. The flow of the river is affected by seasonal trends, with higher flows during the spring and lower flows during the summer. There are no major dams on the Canadian River at Calvin, OK. The hydrology of the Canadian River is important for agriculture, recreation, and wildlife habitat. Interesting facts about the river include its role in the history of the American West, as it was a major route for pioneers and cattle drives.