This Week's Weather: Mini Heat Wave

Temperatures are heating up this week across Northern Virginia, peaking possibly at 100 degrees Tuesday, with a cool-down to the mid-80s by Thursday, according to the National Weather Service.

The average high for this time of year is about 88 degrees, according to the NWS.

Temperatures will stay in the mid-80s Thursday through Sunday, according to The Weather Channel. Humidity will decrease significantly beginning Saturday, going from the 60s to 48 percent humidity on Saturday.

There is a 50 percent chance of thunderstorms Tuesday evening through Thursday, according to the NWS. The chance for rain Friday and Saturday is just 10 percent and Sunday there is a zero percent chance of rain, according to The Weather Channel.

Thunderstorm safety

• On average 54 people are killed by lightning and hundreds are injured each year in the United States, according to the NWS. 
• If you hear thunder, you're in danger of getting struck by lightning, according to the National Weather Service.
• You can help children remember to keep safe by telling them: "When thunder roars, go indoors!" 
• A safe shelter from lightning is either a substantial building or an enclosed metal vehicle.