| NWS Forecast for: Washington County Issued by: National Weather Service Saint Louis, MO Last Update: 1253 PM CST Tue Dec 2 2025 | |
| This Afternoon: Partly sunny. Near steady temperature in the upper 20s. West winds around 5 mph. Tonight: Partly cloudy in the evening, then clearing. Near steady temperature in the lower 20s. South winds around 5 mph. Wednesday: Mostly sunny. Not as cool with highs around 40. Southwest winds 5 to 10 mph. Wednesday Night: Mostly cloudy. A slight chance of snow after midnight. Lows around 17. Northwest winds 5 to 10 mph. Chance of snow 20 percent. Wind chill values as low as 5 above after midnight. Thursday: Mostly sunny. Much cooler with highs in the mid 20s. North winds 5 to 10 mph. Wind chill values as low as 4 above in the morning. Thursday Night And Friday: Partly cloudy. Lows 10 to 15. Highs in the upper 30s. Friday Night And Saturday: Partly cloudy. Lows in the lower 20s. Highs in the upper 30s. Saturday Night: Mostly cloudy. Lows in the mid 20s. Sunday And Sunday Night: Mostly cloudy with a slight chance of rain and snow. Highs in the mid 30s. Lows around 20. Chance of precipitation 20 percent. Monday: Partly sunny. Highs in the mid 30s. | |
| Zone Forecast: Washington County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |