One product issued by NWS for: Siloam Springs AR
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Tulsa OK 517 PM CDT Tue Jul 15 2025 ARZ001-002-010-011-019-020-029-OKZ049-053>076-161030- 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- 517 PM CDT Tue Jul 15 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...Elevated. AREA...Mainly Southeast Oklahoma and Northwest Arkansas. ONSET...Ongoing. DANGEROUS HEAT. RISK...Limited. AREA...Eastern Oklahoma and West-Central Arkansas. ONSET...Ongoing. DISCUSSION... Isolated to scattered thunderstorms will continue into this evening, especially from southeast Oklahoma into northwest Arkansas. Severe weather is not expected, but locally heavy rainfall and gusty winds remain possible with the strongest storms. Heat index values from 95 to 105 degrees will be common early this evening across eastern Oklahoma and west central Arkansas before decreasing. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Spotter Activation Not Expected. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. WEDNESDAY AND THURSDAY...Thunderstorm Potential...Dangerous Heat Potential. FRIDAY...Dangerous Heat Potential. SATURDAY...Thunderstorm Potential...Dangerous Heat Potential. SUNDAY AND 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 part of eastern Oklahoma and northwest Arkansas, with some values exceeding 105 degrees later this weekend into early next week. Any outdoor activities should plan for higher heat stress conditions. weather.gov/tulsa contains additional information. $$