Heat Advisory in Ottawa County, Oklahoma
Issued by the National Weather Service and archived by Claims Pages
EXPIRED
8/11/2026 11:47:00 PM (UTC)
Urgency: Expected
Severity: Moderate
Certainty: Likely
8/11/2026 11:47:00 PM until 8/12/2026 1:30:00 PM
* WHAT...Heat index values from 105 to 110 each afternoon and
overnight lows from the mid 70s to lower 80s expected.
* WHERE...All of northwest and west central Arkansas and east
central, northeast, and southeast Oklahoma.
* WHEN...Until 8 PM CDT Friday.
* IMPACTS...Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.