Heat Advisory

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 1132 AM CDT Tue Aug 11 2026 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY... * WHAT...Heat index values around 105 each afternoon and overnight lows in the mid 70s expected. * WHERE...In Arkansas, Madison, Northern Crawford, Washington, and Northern Franklin Counties. In Oklahoma, Adair County. * 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.