⚠️ Heat Advisory – North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Washington; Nowata; Pawnee; Tulsa; Rogers; Creek; Okfuskee; Okmulgee; Wagoner; Muskogee; McIntosh; Western Osage; Northeast Osage; Southeast Osage – Saturday, June 20, 2026

Event	Heat Advisory
Severity	Moderate
Urgency	Expected
Certainty	Likely
Area	North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Washington; Nowata; Pawnee; Tulsa; Rogers; Creek; Okfuskee; Okmulgee; Wagoner; Muskogee; McIntosh; Western Osage; Northeast Osage; Southeast Osage
Effective	6/20/2026, 11:57:00 AM CDT
Expires	6/21/2026, 1:00:00 AM CDT

Heat Advisory issued June 20 at 11:57AM CDT until June 21 at 7:00PM CDT by NWS Tulsa OK

Details

* WHAT…Heat index values up to 108 expected.

* WHERE…Portions of northwest and west central Arkansas and east
central, northeast, and southeast Oklahoma.

* WHEN…From 1 PM to 7 PM CDT Sunday.

* IMPACTS…Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.

Instructions

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.