Expires:202605101900;;323938 FPUS53 KLSX 101123 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 622 AM CDT Sun May 10 2026 MOZ074-084-085-099-101900- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 623 AM CDT Sun May 10 2026 .TODAY...Mostly cloudy this morning, then becoming partly sunny. Highs in the lower 70s. North winds 5 to 10 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 40s. North winds 5 to 10 mph. .MONDAY...Sunny. Highs in the mid 70s. Northeast winds around 5 mph. .MONDAY NIGHT...Clear. Lows in the upper 40s. Northeast winds around 5 mph in the evening, becoming light and variable. .TUESDAY...Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 50s. Chance of rain 20 percent. .WEDNESDAY THROUGH THURSDAY...Clear. Highs in the upper 70s. Lows in the upper 40s. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper 80s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. $$