Hazardous Weather Outlook
Issued by NWS Tulsa, OK
Issued by NWS Tulsa, OK
655 FLUS44 KTSA 182209 HWOTSA Hazardous Weather Outlook National Weather Service Tulsa OK 509 PM CDT Mon Aug 18 2025 ARZ001-002-010-011-019-020-029-OKZ049-053>076-191045- 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- 509 PM CDT Mon Aug 18 2025 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...This Afternoon and Tonight. THUNDERSTORMS WITH DANGEROUS LIGHTNING. RISK...Limited. AREA...Most of Eastern Oklahoma and Western Arkansas. ONSET...Ongoing through Early Evening...Also After Midnight. DANGEROUS HEAT. RISK...Elevated. AREA...Eastern Oklahoma and Western Arkansas. ONSET...Ongoing. DISCUSSION... Widely scattered thunderstorms are ongoing across portions of western Arkansas and southeast Oklahoma, as well as areas west of Highway 75 in northeast and east central Oklahoma. The strongest storms will produce strong wind gusts, possibly marginally severe at times, and brief heavy rainfall. These storms should diminish through sunset. A low chance of additional storms north and west of Interstate 44 in northeast Oklahoma will exist after midnight. Widespread triple digit heat index values continue across most of eastern Oklahoma and western Arkansas, with values above 105 remaining common. Expect the heat and humidity to improve toward sunset. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Spotter Activation Not Expected. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. TUESDAY THROUGH THURSDAY...Thunderstorm Potential. FRIDAY THROUGH SUNDAY...No Hazards. EXTENDED DISCUSSION... Dangerous heat will continue on Tuesday ahead of weak cold front which will move across the region late Tuesday through Thursday. Thunderstorm chances will increase as the front slowly passes with isolated heavy rainfall amounts possible. Locally damaging winds may also be a concern with storms Tuesday afternoon and evening, as well as late Wednesday. Slightly cooler temperatures will follow the cold front, with drier weather expected by late week. weather.gov/tulsa contains additional information. $$