Expires:202512091700;;259070 FPUS54 KTSA 090534 ZFPTSA Zone Forecasts for Eastern Oklahoma and Northwest Arkansas National Weather Service Tulsa OK 1132 PM CST Mon Dec 8 2025 ARZ029-091700- Sebastian- Including the city of Fort Smith 1133 PM CST Mon Dec 8 2025 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Cold with lows in the lower 30s. Southeast winds around 5 mph. .TUESDAY...Sunny. Not as cool with highs around 60. Southeast winds 5 to 10 mph with gusts up to 20 mph, becoming southwest 10 to 15 mph with gusts up to 30 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Not as cool with lows in the lower 40s. South winds 5 to 10 mph, becoming west after midnight. Gusts up to 25 mph. .WEDNESDAY...Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds around 5 mph, becoming south after midnight. .THURSDAY...Sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. .FRIDAY...Sunny. Highs in the lower 60s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .SATURDAY...Partly sunny. Cooler with highs in the lower 50s. .SATURDAY NIGHT...Mostly cloudy. Cold with lows in the lower 30s. .SUNDAY...Mostly sunny. Highs in the lower 40s. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows in the upper 20s. .MONDAY...Partly sunny. Highs in the upper 40s. $$