Those planning to make an Independence Day trip this week can expect sunny weather in the upper 80s to 90s, according to the National Weather Service, though roads are expected to be less clear.

Wednesday’s forecast for the Baltimore area calls for warm weather in the upper 80s with sunny skies, but at night, the low will be in the 70s.

The Fourth of July on Thursday is predicted to be scorching, around 93 degrees, compared to the previous two days, but there is potential for thunderstorms.

There’s a 50% chance of rain, starting at 2 p.m. and going through the night, when the low temperature is predicted to be in the 70s.

Friday, Saturday and Sunday all also have a chance of afternoon showers and thunderstorms, with daytime highs in the 90s and nighttime lows in the 70s.

About 1.5 million Marylanders are expected to travel between the Saturday before and the Sunday after Independence Day, according to a forecast from AAA.

Nearly 90% of the commuters are expected to travel by car, which is almost a 4% increase from last year, according to the association.

Due to the increased traffic, Baltimore City will have temporary restrictions on commercial vehicles in the downtown and Inner Harbor areas for the Fourth of July.

The restrictions will be in effect on the holiday starting at noon until 11:59 p.m. that evening.

Commercial vehicle restrictions will be in the following areas:

Fayette Street from Martin Luther King Jr. Boulevard to President Street. Commercial vehicles will not be allowed to travel on or south of Fayette Street.

President Street from Aliceanna to Fayette streets. Commercial vehicles will not be allowed to travel on or west of President Street.

Light Street from Pratt Street to Key Highway.

Key Highway from Light to McComas streets.

Hanover Street from McComas to Montgomery streets. Commercial vehicles will not be allowed north of McComas Street, including Hanover Street.

Pratt, Lombard and Baltimore streets from Martin Luther King Jr. Boulevard to President Street.

I-395 at the Martin Luther King Jr. Boulevard split to Pratt Street. No commercial vehicle traffic will be allowed east of Martin Luther King Jr. Boulevard from the I-395 split to Fayette Street.

These roads will be closed to commercial vehicles from 8:30 p.m. on the Fourth of July until clear:

Eastbound Conway Street at I-395 Northbound I-395: Traffic will be diverted north on Howard Street.

Pratt Street will be closed at Charles Street: Traffic will be diverted north on Charles Street to continue east on Baltimore Street.

Lombard Street will be closed at President Street. Westbound Lombard Street traffic will be diverted at President Street to continue west on Fayette Street.

Southbound Light Street will be closed at Lombard Street. Traffic will be diverted onto Lombard Street to continue south on Sharp Street.

Northbound Light Street will be closed at Lee Street. Northbound Light Street traffic will be diverted onto Lee Street to continue north on Charles Street.

These lanes will be closed to commercial vehicles from 3 p.m. on Thursday until clear:

North side of Lombard Street from President to South streets.

West side of Charles Street from Conway to Fayette streets.

These parking restrictions for commercial vehicles are from 3 p.m. on the Fourth of July until 11:59 p.m.:

Both sides of Gay Street from Pratt to Fayette streets.

Both sides of Calvert Street from Pratt to Fayette streets.

Both sides of Baltimore Street from Charles to Gay streets.

West side of Charles Street from Pratt to Lombard streets.

West side of Light Street from Pratt to Camden streets.

East side of Light Street from Lombard to Pratt streets.

East side of Charles Street from Lee to Barre streets.

South side of Key Highway from Light to Covington streets.

The east side of Light Street from Lee to Conway streets will have restricted parking from 9 a.m. on Tuesday through noon on Friday.

Baltimore City encourages people to travel via public transportation including mass transit, the Charm City Circulator and rideshare options.