SXUS41 KLWX 230259 RECLWX VAZ507-508-231000- Forecast for Shenandoah National Park Above 2000 Feet National Weather Service Baltimore MD/Washington DC 1059 PM EDT Sat Aug 22 2026 ...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF TONIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms late in the evening, then scattered showers with isolated thunderstorms after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall late in the evening. Lows around 60. .SUNDAY...Sunny. Patchy fog in the morning. Highs in the upper 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. .MONDAY...Sunny. Highs in the upper 70s. .TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs around 80. .THURSDAY...Mostly cloudy. Showers likely with a chance of thunderstorms through the night. Lows in the lower 60s. Highs in the upper 70s. $$