Cloudy Sunday with a small chance of afternoon showers and a Small Craft Advisory on the Potomac. Midweek heats up sharply, with possible highs near 97°F.

Clear and mild this morning in Washington, but storms are possible late afternoon and evening. Hot, humid weather returns midweek with highs in the 90s.

Tornado warnings hit southern Maryland Thursday evening as storms swept across the D.C. region; flash‑flood warnings were active in parts of Northern Virginia.

Muggy Friday with highs near 91°F and a chance of late storms. The city has an Extended Heat Emergency set for July 13–17.

Heavy storms and flash‑flood risk this Thursday afternoon and evening in D.C.

Cloudy and muggy this morning in Washington, D.C., with scattered showers and a high near 83°F. Storms become more numerous Thursday with a chance of gusty winds and localized flooding.

Thick fog this morning with sticky humidity across Washington, D.C. Scattered afternoon storms could bring heavy downpours and a renewed flash‑flood risk.

A Chestnut Hill–based group launched a free live wildfire map with address alerts as 2026's fire season intensifies.

Biologists recorded 94°F water in the Potomac near Seneca; state officials say a summer turnover likely caused a mass fish kill. Crews are monitoring and tests are pending.

A Flood Watch is in effect from 4 p.m. Monday; heavy afternoon storms may bring flash and urban flooding. Allow extra travel time.

Heat advisory for Sunday with highs near 97°F and heat-index readings above 105. Afternoon storms and a Code Purple air-quality alert may complicate plans tonight.

Organizers canceled Washington, D.C.'s July 4 Independence Day Parade after forecasts showed heat-index readings well above 100°F, prioritizing participant and spectator safety. The city has opened cooling centers and urged caution.

D.C. will hit about 102°F on July 4 with heat index values into the 110s; late-afternoon storms and a Code Purple air-quality alert could disrupt outdoor plans.