| NWS Forecast for: Warren County Issued by: National Weather Service Saint Louis, MO Last Update: 854 AM CDT Wed Mar 18 2026 | |
| Today: Mostly sunny. Not as cool with highs in the mid 60s. South winds 5 to 10 mph with gusts up to 20 mph, becoming west this afternoon. Tonight: Mostly cloudy. Not as cool with lows in the lower 40s. Southwest winds around 5 mph. Thursday: Mostly sunny. Highs in the lower 70s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. North winds around 5 mph, becoming southeast after midnight. Friday: Sunny. Highs in the upper 70s. Southwest winds 5 to 10 mph. Friday Night: Partly cloudy. Lows in the lower 50s. Saturday And Saturday Night: Mostly clear. Highs around 80. Lows in the mid 50s. Sunday: Mostly sunny. Highs in the mid 70s. Sunday Night Through Monday Night: Mostly cloudy. Lows in the mid 30s. Highs in the lower 50s. Tuesday: Partly sunny. Highs in the upper 50s. | |
| Zone Forecast: Warren County | |
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