| NWS Forecast for: Ste. Genevieve County Issued by: National Weather Service Saint Louis, MO Last Update: 803 AM CDT Thu Jun 25 2026 |  |
Today: Partly sunny. A chance of showers and thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 40 percent. Tonight: Cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 80 percent. Friday: Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Humid with highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent. Friday Night: Showers likely. Thunderstorms likely, mainly in the evening. Lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Saturday: Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 70 percent. Heat index values up to 101 in the afternoon. Saturday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. Sunday: Sunny. Highs in the mid 90s. Heat index values up to 110. Sunday Night: Clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. Monday: Sunny, hot with highs in the mid 90s. Heat index values up to 110. Monday Night Through Tuesday Night: Clear, hot. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 110. Wednesday: Sunny, hot with highs in the upper 90s. Heat index values up to 110. | |
| Zone Forecast: Ste. Genevieve County | |
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