Expires:202605130000;;442602 FPUS53 KLSX 121628 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 1128 AM CDT Tue May 12 2026 MOZ074-084-085-099-130000- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 1128 AM CDT Tue May 12 2026 .THIS AFTERNOON...Sunny. Highs around 80. Southwest winds 5 to 10 mph. .TONIGHT...Partly cloudy. Not as cool with lows in the upper 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west after midnight. .WEDNESDAY...Sunny. Highs in the upper 70s. North winds 5 to 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Clear, cooler with lows in the upper 40s. North winds 5 to 10 mph with gusts up to 20 mph in the evening, becoming light and variable. .THURSDAY...Sunny. Highs in the upper 70s. Southeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the mid 60s. Chance of rain 20 percent. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs in the upper 80s. Lows in the upper 60s. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 50 percent. .MONDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent. $$