The Brief Showers and thunderstorms are likely Tuesday afternoon across the Washington, D.C., region. The severe threat increases through the afternoon as temperatures climb toward 90 degrees. Showers and thunderstorms are likely Tuesday afternoon across the Washington, D.C., region, with some storms capable of turning severe and potentially affecting the evening commute. RELATED: Severe weather, damaging winds to threaten D.C. region TuesdayDC weather: Scattered showers, thunderstorms Tuesday could impact evening commuteThe severe threat increases through the afternoon as temperatures climb toward 90 degrees and humidity rises. The region sits under an enhanced risk for severe weather.