Expires:202512291600;;415119 FPUS54 KTSA 290450 ZFPTSA Zone Forecasts for Eastern Oklahoma and Northwest Arkansas National Weather Service Tulsa OK 1048 PM CST Sun Dec 28 2025 ARZ029-291600- Sebastian- Including the city of Fort Smith 1048 PM CST Sun Dec 28 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly clear. Much colder with lows in the lower 20s. Northwest winds 15 to 20 mph with gusts up to 35 mph. .MONDAY...Sunny. Much cooler with highs in the upper 30s. Northwest winds 10 to 15 mph. Gusts up to 35 mph in the morning. .MONDAY NIGHT...Mostly clear. Cold with lows around 20. Northwest winds 5 to 10 mph. .TUESDAY...Sunny. Highs in the mid 40s. West winds around 5 mph. .TUESDAY NIGHT...Mostly clear. Not as cold with lows in the lower 30s. Southwest winds around 5 mph. .WEDNESDAY...Sunny. Not as cool with highs in the upper 50s. .WEDNESDAY NIGHT...Clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .NEW YEARS DAY...Partly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 40s. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs in the upper 50s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the upper 50s. $$