SXUS41 KLWX 181604 RECLWX VAZ507-508-182000- Forecast for Shenandoah National Park Above 2000 Feet National Weather Service Baltimore MD/Washington DC 1204 PM EDT Sat Jul 18 2026 .THIS AFTERNOON...Mostly cloudy. Scattered showers and thunderstorms. Some thunderstorms may be severe with damaging winds and heavy rainfall. Highs in the mid 80s. .TONIGHT...Mostly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may be severe with damaging winds and heavy rainfall. Lows in the upper 60s. .SUNDAY...Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. .MONDAY...Partly cloudy. Highs in the upper 70s. .TUESDAY...Mostly cloudy. A chance of showers through the day, then showers with a chance of thunderstorms through the night. Lows in the mid 60s. Highs in the lower 80s. .WEDNESDAY...Mostly cloudy. A chance of showers. A chance of thunderstorms through the night. Lows in the upper 60s. Highs in the upper 70s. $$