Hot but calm Tuesday in Philadelphia area for MLB All-Star Game. Here's the weather forecast.
Here we go again! Our fifth heat wave of the season starts today.
Tuesday starts off with highs in the mid-90s, and you might notice a little elevated haze due to atmospheric smoke from Canadian wildfires.
The humidity won't be too bad, just freeze those water bottles if you work outside and layer up the sunscreen. You can leave the umbrella at home – it's a good day for the pools and the beaches.
The All-Star game will be toasty but no storms expected, thus no weather delays expected.
The NEXT big change
A dome of dangerous heat is building across the western U.S. and will be pushing our way starting Tuesday. Expect 90s Tuesday through Saturday with highs topping out around 100 on Wednesday. Humidity will also be on the rise, and at times the feels-like temperature will exceed 100 degrees pretty easily Wednesday through Friday.
A NEXT Weather Alert has been issued for Wednesday's heat as this is the day we could experience dangerous heat index values in the 105-110 degree range. The heat will continue into the weekend as well.
Historically hot summer in Philly
Speaking of 100-degree high temps in Philly, we have now had three days this year, the most in a single year since 1993.
The all-time record is five days in 1988.
A weak cold front will pass through Thursday morning with a spotty shower or two. This should limit the temperatures slightly and will bring a reduction in humidity for Friday, even though the heat wave will continue.
Another front approaches for the weekend. Ahead of it will likely set off some strong storms as the heat breaks down. We'll monitor this timeframe for a possible NEXT Weather Alert for severe storms on Saturday.
At this point we are not under an official risk assessment from the Storm Prediction Center, but it's worth monitoring. Both Saturday and Sunday have the potential for storms, but it will be cooler on Sunday.
Here's your 7-day forecast:
Tuesday: Heat wave begins. High 94, low 68.
Wednesday: NEXT Weather Alert for excessive heat. High 100, low 77.
Thursday: Hot and humid. High 96, low 78.
Friday: Very hot. High 96, low 76.
Saturday: Storms likely. High 92, low 76.
Sunday: Chance of storms. High 84, low 73.
Monday: Partly cloudy. High 85, low 73.
