Weather Alerts For Ottawa, OK

# HEADLINE -------------------- HEAT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT WEDNESDAY # DETAILS -------------------- WHAT Heat index values up to 109 expected. WHERE In Arkansas, Benton, Carroll, Madison, and Washington AR Counties. In Oklahoma, Cherokee, Adair, Delaware, and Ottawa Counties. WHEN From 1 PM Tuesday to 9 PM CDT Wednesday. IMPACTS Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. ISSUED AT Monday, August 17, 2026 at 11:29 AM CDT ISSUED BY National Weather Service Tulsa OK HEADER URGENT - WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- Adair, Benton, Carroll, Cherokee, Delaware, Madison, Ottawa, Washington AR Including the cities of Tahlequah, Miami, Jay, Stilwell, Huntsville, Springdale, Fayetteville, Berryville, Grove, Eureka Springs, Rogers, and Bentonville