Hazardous Weather Outlook
Issued by NWS Tulsa, OK
Issued by NWS Tulsa, OK
601 FLUS44 KTSA 182148 HWOTSA Hazardous Weather Outlook National Weather Service Tulsa OK 448 PM CDT Fri Jul 18 2025 ARZ001-002-010-011-019-020-029-OKZ049-053>076-191030- Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK- Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK- Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK- Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK- Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK- Washington OK-Washington AR- 448 PM CDT Fri Jul 18 2025 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...This Evening and Tonight. THUNDERSTORMS WITH DANGEROUS LIGHTNING. RISK...Limited. AREA...Far northeast Oklahoma and Northwest Arkansas. ONSET...Ongoing. DANGEROUS HEAT. RISK...Elevated. AREA...Eastern Oklahoma and West-Central Arkansas. ONSET...Ongoing. DISCUSSION... A couple isolated showers or thunderstorms remain possible across portions of far northwest Arkansas through early evening. Brief heavy rain will be possible, but severe thunderstorms and additional flooding are not expected if any storms do develop. Dangerous heat will persist through early this evening, with heat index values between 100 and 109 degrees across most of eastern Oklahoma and also much of west-central Arkansas. A Heat Advisory is in effect for all of southeast Oklahoma, portions of northeast Oklahoma, and west central Arkansas through 8 PM this evening. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Spotter Activation Not Expected. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. SATURDAY THROUGH THURSDAY...Dangerous Heat Potential. EXTENDED DISCUSSION... A prolonged period of hot, humid, and dry weather is forecast for this weekend through much of next week. Afternoon heat index values of 100 to 110 degrees will be common across all eastern Oklahoma and much of northwest Arkansas. The numerous days of hot and humid conditions along with warm overnight low temperatures will raise the heat stress risk across the region. Daily heat headlines are likely. weather.gov/tulsa contains additional information. $$