Expires:202512220300;;984633 FPUS53 KLSX 211904 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 103 PM CST Sun Dec 21 2025 MOZ059-062-072-073-220300- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 103 PM CST Sun Dec 21 2025 .THIS AFTERNOON...Sunny. Highs in the upper 40s. East winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows around 30. Southeast winds around 5 mph. Gusts up to 20 mph after midnight. .MONDAY...Partly sunny. Highs in the upper 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. Gusts up to 20 mph in the evening. .TUESDAY...Mostly sunny. Not as cool with highs in the upper 60s. Southwest winds around 5 mph. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the lower 70s. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Highs in the mid 70s. .FRIDAY...Sunny. Highs in the upper 60s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows in the upper 40s. Highs in the mid 60s. $$