Expires:202512210900;;945141 FPUS53 KLSX 210135 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 735 PM CST Sat Dec 20 2025 MOZ042-049-050-210900- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 735 PM CST Sat Dec 20 2025 .TONIGHT...Partly cloudy. Lows in the mid 20s. North winds around 5 mph. .SUNDAY...Mostly sunny. 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...Mostly cloudy in the morning, then becoming 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 becoming mostly clear. Not as cool with lows in the mid 40s. Southwest winds 5 to 10 mph. .TUESDAY...Sunny. Highs around 60. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. .WEDNESDAY...Cloudy. Not as cool with highs around 70. .WEDNESDAY NIGHT AND CHRISTMAS DAY...Mostly clear. Lows in the mid 50s. Highs in the lower 70s. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows in the upper 40s. Highs in the lower 60s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows in the upper 30s. Highs in the mid 50s. $$