| NWS Forecast for: Monroe County Issued by: National Weather Service Saint Louis, MO Last Update: 1038 PM CDT Tue Aug 11 2026 | |
Overnight: Partly cloudy. Lows in the mid 70s. South winds around 5 mph. Gusts up to 20 mph. Wednesday: Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 106 in the afternoon. Wednesday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 40 percent. Heat index values up to 106 early in the evening. Thursday: Partly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 104. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. East winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 104 early in the evening. Friday: Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs around 90. Chance of rain 20 percent. Heat index values up to 105 in the afternoon. Friday Night: Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. Saturday: Mostly sunny. Highs in the mid 90s. Heat index values up to 105 in the afternoon. Saturday Night: Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. Sunday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. Sunday Night: Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of rain 30 percent. Monday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the mid 80s. Chance of rain 20 percent. Monday Night: Partly cloudy. Lows in the upper 60s. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the mid 80s. Chance of rain 20 percent. | |
| Zone Forecast: Monroe County | |
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