Expires:202605160900;;618208 FPUS54 KTSA 152105 ZFPTSA Zone Forecasts for Eastern Oklahoma and Northwest Arkansas National Weather Service Tulsa OK 404 PM CDT Fri May 15 2026 ARZ129-160900- North and Central Sebastian- Including the city of Fort Smith 404 PM CDT Fri May 15 2026 .TONIGHT...Cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .SATURDAY...Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Clear in the evening, then becoming mostly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph. Gusts up to 25 mph in the evening. .SUNDAY...Partly sunny. Highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers. Highs in the upper 80s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 50 percent. .TUESDAY...A chance of thunderstorms. Showers likely. Highs in the lower 80s. Chance of rain 70 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 70 percent. .WEDNESDAY...Showers likely with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 70 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s. .THURSDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows in the lower 60s. .FRIDAY...Partly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. $$