| NWS Forecast for: Monroe County Issued by: National Weather Service Saint Louis, MO Last Update: 1023 PM CDT Wed Mar 18 2026 |  |
| Overnight: Mostly cloudy. Not as cool with lows in the upper 30s. South winds around 5 mph. Thursday: Sunny. Highs in the lower 70s. South winds around 5 mph. Thursday Night: Partly cloudy. Lows in the upper 40s. East winds around 5 mph, becoming southwest after midnight. Friday: Sunny. Highs in the upper 70s. West winds 5 to 10 mph with gusts up to 20 mph. Friday Night: Partly cloudy. Lows in the upper 40s. Northwest winds 5 to 10 mph. Saturday And Saturday Night: Mostly clear. Highs in the upper 70s. Lows in the mid 50s. Sunday And Sunday Night: Mostly cloudy. Highs in the lower 70s. Lows in the mid 30s. Monday: Partly sunny. Much cooler with highs in the lower 50s. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. Tuesday And Tuesday Night: Mostly cloudy. Highs in the upper 50s. Lows around 40. Wednesday: Partly sunny. Not as cool with highs in the upper 60s. | |
| Zone Forecast: Monroe County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |