NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment
After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >
| NWS Forecast for: St. Charles County Issued by: National Weather Service Saint Louis, MO Last Update: 838 AM CDT Tue Jun 9 2026 | |
Today: Mostly cloudy this morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 107 this afternoon. Tonight: Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 108 early in the evening. Wednesday: Sunny with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105. Wednesday Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. South winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 105 early in the evening. Thursday: Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. Heat index values up to 106. Thursday Night: Showers with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 80 percent. Heat index values up to 105 early in the evening. Friday: Mostly sunny. Highs in the mid 80s. Friday Night: Mostly clear. Lows in the mid 60s. Saturday: Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the upper 60s. Chance of rain 50 percent. Sunday And Sunday Night: Mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 50 percent. Monday: Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. | |
| Zone Forecast: St. Charles County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |