Expires:202606092000;;436142 FPUS51 KLWX 090929 ZFPLWX Zone Forecast Product National Weather Service Baltimore MD/Washington DC 529 AM EDT Tue Jun 9 2026 MDZ506-092000- Central and Southeast Howard- Including the cities of Clarksville, Columbia, Simpsonville, Historic Ellicott City, and Woodstock 529 AM EDT Tue Jun 9 2026 .TODAY...Mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph. .TONIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. South winds 5 to 10 mph. Chance of rain 20 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 70. Southwest winds around 5 mph. Chance of rain 50 percent. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. West winds around 5 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 50 percent. .FRIDAY...Mostly sunny with a chance of showers and thunderstorms. Hot with highs in the mid 90s. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Highs in the upper 80s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. .SUNDAY...Mostly sunny. Highs around 90. .SUNDAY NIGHT...Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent. .MONDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent. $$