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: Washington County Issued by: National Weather Service Saint Louis, MO Last Update: 833 AM CDT Thu Jun 11 2026 | |
| Today: Mostly sunny. Highs in the lower 90s. South winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 102. Tonight: Mostly cloudy. Showers and thunderstorms in the evening, then a chance of thunderstorms with a slight chance of showers after midnight. Cooler with lows in the lower 60s. West winds 10 to 15 mph with gusts up to 30 mph, becoming northwest around 5 mph after midnight. Chance of rain 90 percent. Friday: Sunny. Highs in the mid 80s. Northwest winds around 5 mph. Friday Night: Mostly clear in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 40 percent. Saturday: A chance of thunderstorms. Showers likely. Highs in the lower 80s. South winds around 5 mph. Chance of rain 70 percent. Saturday Night: Showers with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 90 percent. Sunday: Mostly cloudy with a chance of showers in the morning, then mostly sunny in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. Sunday Night And Monday: Partly cloudy. A 20 percent chance of showers. Lows in the mid 50s. Highs in the upper 70s. Monday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s. Tuesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. Tuesday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 50s. Chance of rain 20 percent. Wednesday: Sunny. Highs in the mid 80s. | |
| Zone Forecast: Washington County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |