898 FLUS44 KTSA 282146 HWOTSA Hazardous Weather Outlook National Weather Service Tulsa OK 446 PM CDT Sun Jun 28 2026 ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071- 073>075-154-172-176-254-272-276-354-376-292200- Benton-Carroll-Washington AR-Madison-Northern Crawford- Northern Franklin-North and Central Sebastian-Southern Crawford- Central and Southern Franklin-Southern Sebastian-Pushmataha- Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers- Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair- Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage- Northern Sequoyah-Northern Le Flore-Northeast Osage- Central and Southern Sequoyah-Central Le Flore-Southeast Osage- Southern Le Flore- 446 PM CDT Sun Jun 28 2026 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...This Evening and Tonight. DANGEROUS HEAT. RISK...Elevated. AREA...Eastern Oklahoma and West Central Arkansas. ONSET...Ongoing Through Early Evening. SIGNIFICANT WINDS. RISK...Limited. AREA...Eastern Oklahoma and Western Arkansas. ONSET...Ongoing Through Early Evening. DISCUSSION... Heat index values of 100 to around 105 degrees late this afternoon over much of eastern Oklahoma and also west central Arkansas are expected to continue into early evening before improving. Also, southerly winds gusting 20 to 30 mph should remain common across the region into this evening. Winds begin weakening through the evening, though remaining breezy overnight. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Spotter Activation Not Expected. .DAYS TWO THROUGH SEVEN...Monday through Saturday. MONDAY AND TUESDAY...High Wind Potential...Dangerous Heat Potential. WEDNESDAY THROUGH SATURDAY...Dangerous Heat Potential. EXTENDED DISCUSSION... Hot and humid weather will persist this week, with afternoon heat indices in the 100 to around 105 degree range for much of the region. A heat advisory is in effect for portions of the region Monday, and additional advisories may be needed later in the week. A low chance of thunderstorms remains forecast for late week primarily in the terrain of far southeast Oklahoma and northwest Arkansas. weather.gov/tulsa contains additional information. $$