| NWS Forecast for: Monroe County Issued by: National Weather Service Saint Louis, MO Last Update: 1048 PM CDT Sat Apr 18 2026 |  |
| Overnight: Clear. Lows in the upper 30s. West winds around 5 mph. Sunday: Sunny. Not as cool with highs in the upper 60s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 40. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast after midnight. Monday: Sunny. Highs in the upper 60s. Southeast winds around 5 mph. Monday Night: Mostly clear. Not as cool with lows around 50. South winds around 5 mph. Tuesday Through Wednesday Night: Mostly clear. Highs around 80. Lows in the upper 50s. Thursday: Mostly sunny. Highs in the lower 80s. Thursday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 50 percent. Friday: Showers likely with a chance of thunderstorms. Highs in the mid 70s. Chance of rain 70 percent. Friday Night: Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Cooler with lows in the upper 40s. Chance of rain 50 percent. Saturday: Mostly sunny with a 20 percent chance of showers. Highs in the upper 60s. | |
| Zone Forecast: Monroe County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |