Expires:202605180500;;730181 FPUS53 KLSX 172108 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 408 PM CDT Sun May 17 2026 MOZ074-084-085-099-180500- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 408 PM CDT Sun May 17 2026 .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Lows around 70. South winds 10 to 15 mph with gusts up to 30 mph. .MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent. .TUESDAY...Partly sunny in the morning. Showers and thunderstorms. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent. .TUESDAY NIGHT...Showers and thunderstorms. Cooler with lows in the mid 50s. Northwest winds 5 to 10 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain near 100 percent. .WEDNESDAY...Mostly cloudy. A chance of showers and thunderstorms, mainly in the morning. Cooler with highs in the lower 70s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 50s. Chance of rain 20 percent. .THURSDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .THURSDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 40 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 50 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows around 60. Chance of rain 20 percent. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$