Expires:202605161100;;624488 FPUS54 KTSA 152355 ZFPTSA Zone Forecasts for Eastern Oklahoma and Northwest Arkansas National Weather Service Tulsa OK 654 PM CDT Fri May 15 2026 OKZ154-161100- Western Osage- Including the cities of Fairfax and Shidler 654 PM CDT Fri May 15 2026 .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. .SATURDAY...Mostly sunny. Highs in the upper 80s. South winds 15 to 20 mph with gusts up to 30 mph. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY...Mostly sunny and breezy. Highs in the upper 80s. South winds 20 to 25 mph with gusts up to 40 mph. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the lower 70s. South winds 20 to 25 mph with gusts up to 35 mph. .MONDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Breezy with highs in the upper 80s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Breezy, cooler with lows in the lower 60s. Chance of rain 70 percent. .TUESDAY...Partly sunny with a slight chance of showers and thunderstorms. Much cooler with highs in the lower 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40 percent. .THURSDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 30 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of showers. Highs in the upper 70s. $$