What to KnowExpect another day of dangerous heat, with feels-like temps in the triple digits.America’s Independence Day Parade in D.C. has been canceled due to the extreme heat, as have parades in Fairfax, Leesburg, Takoma Park and Laurel.The Salute to America Celebration planned for the National Mall will now open its Washington Monument viewing zone at 5 p.m. today “to reduce prolonged exposure to heat.”More than 30 flyovers and demonstrations are planned for today, according to Freedom 250, the Trump-based organization planning events for the United States’ 250th anniversary.Download the NBC Washington app for the latest forecasts, interactive weather radar and alerts from Storm Team4.

Temperatures are expected to jump above 100° again Saturday as large crowds celebrate Independence Day in the D.C. area.

Follow live updates on the July Fourth weather forecast for America 250, Freedom 250, the Great American State Fair and fireworks on the National Mall.