One product issued by NWS for:
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Tulsa OK 537 PM CDT Wed May 20 2026 ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071- 073>075-154-172-176-254-272-276-354-376-212245- 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- 537 PM CDT Wed May 20 2026 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Tonight. THUNDERSTORMS WITH DANGEROUS LIGHTNING. RISK...Limited. AREA...Eastern Oklahoma. ONSET...Late Tonight. DISCUSSION... Rain chances along with a slight chance of thunder develop across parts of eastern Oklahoma late tonight ahead of a low pressure system lifting northeast into Texas. Severe weather is not expected tonight. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Spotter Activation Not Expected. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. THURSDAY...Thunderstorm Potential...Heavy Rain Potential. FRIDAY through TUESDAY...Thunderstorm Potential. EXTENDED DISCUSSION... Shower and thunderstorm chances spread across eastern Oklahoma and northwest Arkansas Thursday before exiting during the day Friday with the departing low pressure system. A heavy rain threat which may increase flood concerns is the primary hazard, while marginal instability will limit severe weather potential. Additional thunderstorm chances quickly return Friday night and Saturday with another disturbance and frontal boundary moving into the region. This boundary lifts back north Sunday ahead of a broad area of low pressure moving into the southern Plains that is forecast to hold over the region into next week. In response, rain shower and scattered thunderstorm chances exist each day Sunday into early next week with a locally heavy rain threat and isolated to limited severe storm potential. weather.gov/tulsa contains additional information. $$