


NWS Forecast for: Washington County Issued by: National Weather Service Saint Louis, MO Last Update: 500 AM CDT Thu Jul 31 2025 | ![]() |
Today: Cloudy with a chance of showers and thunderstorms. Much cooler with highs in the upper 70s. North winds 5 to 10 mph. Chance of rain 40 percent. Tonight: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Cooler with lows around 60. Northeast winds 5 to 10 mph. Chance of rain 40 percent. Friday: Sunny. Highs around 80. Northeast winds 5 to 10 mph. Friday Night: Mostly clear. Lows in the upper 50s. Northeast winds around 5 mph. Saturday: Sunny. Highs in the upper 70s. Northeast winds around 5 mph. Saturday Night And Sunday: Mostly clear. Lows in the upper 50s. Highs in the lower 80s. Sunday Night: Partly cloudy. Lows in the lower 60s. Monday And Monday Night: Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 20 percent. Tuesday: Sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. Tuesday Night: Mostly clear. Lows in the mid 60s. Wednesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. | |
Zone Forecast: Washington County | |
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