| NWS Forecast for: Washington County Issued by: National Weather Service Saint Louis, MO Last Update: 1209 PM CDT Sun Jun 15 2025 |  |
This Afternoon: Partly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the lower 80s. Northeast winds around 5 mph. Chance of rain 20 percent. Tonight: Cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. East winds around 5 mph. Chance of rain 50 percent. Monday: Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. East winds around 5 mph. Chance of rain 50 percent. Monday Night: Partly cloudy. Lows in the upper 60s. Southeast winds around 5 mph, becoming south after midnight. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. South winds around 5 mph. Chance of rain 20 percent. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent. Wednesday: Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. Wednesday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 50 percent. Juneteenth: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. Thursday Night And Friday: Mostly clear. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 100. Friday Night And Saturday: Mostly clear. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100. | |
| Zone Forecast: Washington County | |
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