| NWS Forecast for: St. Louis County Issued by: National Weather Service Saint Louis, MO Last Update: 1233 PM CDT Wed Sep 17 2025 |  |
This Afternoon: Sunny. Highs in the lower 90s. Northeast winds around 5 mph. Tonight: Mostly clear. Lows around 60. East winds around 5 mph. Thursday: Sunny. Highs in the lower 90s. Southeast winds around 5 mph. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph, becoming south after midnight. Friday: Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent. Friday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent. Saturday: Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. Saturday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent. Sunday: Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent. Sunday Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 40 percent. Monday: Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 40 percent. Tuesday: Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. | |
| Zone Forecast: St. Louis County | |
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