Expires:202512210900;;945150 FPUS53 KLSX 210135 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 735 PM CST Sat Dec 20 2025 MOZ059-062-072-073-210900- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 735 PM CST Sat Dec 20 2025 .TONIGHT...Partly cloudy. Lows in the upper 20s. North winds around 5 mph. .SUNDAY...Mostly sunny. Cooler with highs in the mid 40s. East winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southeast winds 5 to 10 mph. .MONDAY...Partly sunny. Not as cool with highs in the mid 50s. South winds 5 to 10 mph with gusts up to 20 mph. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Not as cool. Near steady temperature in the upper 40s. Southwest winds around 5 mph with gusts up to 20 mph. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the mid 60s. Lows in the mid 40s. .WEDNESDAY...Cloudy. Highs around 70. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then clearing. Not as cool with lows in the upper 50s. .CHRISTMAS DAY...Sunny. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Highs in the upper 60s. Lows in the mid 40s. .SATURDAY...Mostly cloudy. Highs around 60. $$