| NWS Forecast for: Monroe County Issued by: National Weather Service Saint Louis, MO Last Update: 1117 PM CDT Thu Sep 3 2026 | |
Overnight: Mostly clear. Near steady temperature in the upper 70s. South winds around 5 mph. Friday: Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Heat index values up to 104 early in the evening. Saturday: Sunny, hot with highs in the upper 90s. West winds around 5 mph, becoming northwest around 5 mph in the afternoon. Heat index values up to 105. Saturday Night: Mostly clear. Lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 103 early in the evening. Sunday Through Monday Night: Mostly clear. Highs in the lower 90s. Lows in the upper 60s. Heat index values up to 100. Tuesday And Tuesday Night: Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 100. Wednesday: Mostly sunny. Hot with highs in the upper 90s. Wednesday Night: Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 30 percent. Thursday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. | |
| Zone Forecast: Monroe County | |
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