| NWS Forecast for: Washington County Issued by: National Weather Service Saint Louis, MO Last Update: 1252 AM CST Sun Feb 15 2026 | |
| Rest Of Tonight: Rain. Patchy fog. Near steady temperature in the lower 40s. Northeast winds around 5 mph with gusts up to 20 mph. Chance of rain near 100 percent. Sunday: Cloudy in the morning, then becoming mostly sunny. Highs in the mid 50s. North winds 5 to 10 mph with gusts up to 20 mph. Sunday Night: Mostly clear. Lows in the mid 30s. Light and variable winds, becoming southwest around 5 mph after midnight. Washingtons Birthday: Mostly sunny. Highs in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the mid 40s. South winds around 5 mph with gusts up to 20 mph. Tuesday And Tuesday Night: Mostly cloudy. Highs in the mid 60s. Lows in the mid 50s. Wednesday: Partly sunny. Highs in the mid 70s. Wednesday Night: Mostly clear. Cooler with lows in the mid 40s. Thursday: Sunny with a 20 percent chance of rain. Highs in the lower 70s. Thursday Night And Friday: Partly cloudy. A 20 percent chance of rain. Lows in the upper 30s. Highs in the lower 50s. Friday Night And Saturday: Mostly clear. Lows in the upper 20s. Highs in the lower 50s. | |
| Zone Forecast: Washington County | |
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