One product issued by NWS for: Fort Smith AR
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Tulsa OK 503 AM CDT Tue Jul 15 2025 ARZ001-002-010-011-019-020-029-OKZ049-053>076-161015- 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- 503 AM CDT Tue Jul 15 2025 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Today and Tonight. THUNDERSTORMS WITH DANGEROUS LIGHTNING. RISK...Elevated. AREA...Primarily southeast of Interstate 44. ONSET...Ongoing. HEAVY RAIN. RISK...Limited. AREA...Southeast Oklahoma through northwest Arkansas. ONSET...Ongoing. DANGEROUS HEAT. RISK...Limited. AREA...Eastern Oklahoma and west central Arkansas. ONSET...Afternoon. DISCUSSION... Scattered thunderstorms ongoing this morning across southeast Oklahoma into northwest Arkansas will likely decrease in coverage by mid to late morning. Additional isolated to scattered thunderstorms are forecast for this afternoon primarily southeast of Interstate 44. Locally heavy rainfall remains possible through today across southeast Oklahoma and northwest Arkansas. Temperatures will trend upward today with lesser storm coverage during the afternoon. Heat index values near 100 degrees are forecast for portions of eastern Oklahoma and west central Arkansas. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Spotter Activation Not Expected. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. WEDNESDAY and THURSDAY...Thunderstorm Potential. FRIDAY through MONDAY...Dangerous Heat Potential. EXTENDED DISCUSSION... Isolated to scattered thunderstorms are forecast both Wednesday and Thursday. A weak cold front will attempt to move into northeast Oklahoma and northwest Arkansas on Thursday and may provide a corridor of slightly higher thunderstorm chances. The front will quickly lose definition with heat intensifying from late week through next weekend. Heat index values of 100 to 105 degrees will be common during the afternoons across a large portion of eastern Oklahoma and northwest Arkansas. Any outdoor activities should plan for higher heat stress conditions. weather.gov/tulsa contains additional information. $$