| NWS Forecast for: Washington County Issued by: National Weather Service Saint Louis, MO Last Update: 759 PM CST Fri Jan 16 2026 |  |
Tonight: Mostly cloudy. A chance of snow and rain this evening, then a chance of flurries after midnight. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 50 percent. Saturday: Partly sunny in the morning, then becoming mostly cloudy. Much cooler with highs in the upper 20s. West winds 10 to 15 mph with gusts up to 30 mph. Saturday Night: Mostly cloudy in the evening, then clearing. Cooler with lows around 12. West winds 5 to 10 mph. Wind chill values as low as 2 above. Sunday: Sunny in the morning, then becoming partly sunny. Highs around 30. Southwest winds 10 to 15 mph. Wind chill values as low as 2 above in the morning. Sunday Night: Partly cloudy. Lows around 13. Southwest winds around 10 mph, becoming northwest after midnight. Wind chill values as low as 1 above after midnight. Martin Luther King Jr Day And Monday Night: Mostly clear. Highs in the lower 20s. Lows around 10 above. Wind chill values as low as 5 below. Tuesday: Sunny. Not as cool with highs in the mid 30s. Wind chill values as low as zero in the morning. Tuesday Night And Wednesday: Partly cloudy. Lows in the mid 20s. Highs in the upper 40s. Wednesday Night: Partly cloudy. A slight chance of rain in the evening, then a slight chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 20 percent. Thursday: Mostly sunny with a 20 percent chance of rain. Cooler with highs in the mid 30s. Thursday Night: A chance of rain and freezing rain in the evening. Partly cloudy with a chance of snow. Lows in the mid 20s. Chance of precipitation 30 percent. Friday: A slight chance of freezing rain in the morning. Mostly sunny with a slight chance of rain. Highs in the upper 30s. Chance of precipitation 20 percent. | |
| Zone Forecast: Washington County | |
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