The National Weather Service’s heat map for Southern California today.

Due to today’s hot weather, there will be some speed restrictions on sections of Metro Rail this afternoon. Speed restrictions are precautionary measures during extreme weather conditions to ensure we do not cause damage to the tracks or overhead power lines.

This means:

• Expect delays on Gold Line, Blue Line and Green Line where power zones are strained or under extreme heat.
• Trains may arrive several minutes behind schedule and also take longer during the ride. Expect crowded train cars.
• Train doors will be on passenger release mode at terminal stations to keep train interiors as cool as possible. Use the door-adjacent button to open doors.
• For up-to-date service advisories, follow our general Twitter stream or our Twitter stream with only service alerts.