Expires:202604221000;;782681 FPUS51 KLWX 220626 ZFPLWX Zone Forecast Product National Weather Service Baltimore MD/Washington DC 225 AM EDT Wed Apr 22 2026 MDZ506-221000- Central and Southeast Howard- Including the cities of Clarksville, Columbia, Simpsonville, Historic Ellicott City, and Woodstock 225 AM EDT Wed Apr 22 2026 .OVERNIGHT...Mostly cloudy. Lows in the upper 40s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the lower 70s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 70 percent. .WEDNESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. Northwest winds around 5 mph. Chance of rain 20 percent. .THURSDAY...Sunny. Highs in the upper 70s. Northwest winds around 5 mph. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph, becoming north after midnight. .FRIDAY...Mostly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 50 percent. .SATURDAY...Showers. Highs in the upper 50s. Chance of rain 80 percent. .SATURDAY NIGHT...Showers likely. Lows in the mid 40s. Chance of rain 70 percent. .SUNDAY...Mostly cloudy with a 50 percent chance of showers. Highs in the lower 60s. .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 40s. .MONDAY...Partly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 50 percent. .TUESDAY...Showers likely. Highs in the mid 60s. Chance of rain 70 percent. $$