5 Things To Know Today: July 21

Beat The Heat: You've no doubt heard the news — there's an in effect for this afternoon and tomorrow. Worst times are expected to be noon to 8 p.m. The serves as one of the town's cooling centers and will be open extra hours, until 7 p.m. through July 23.

Check Out The Library: The town's other designated cooling center is the Marian J. Mohr Library, open until 8 p.m. As it happens, the library is also hosting "cool" activities like story time for kids entering first grade and older at 10:30 a.m. and Lego Club for ages 6 to 12 at 5 p.m.

Go For A Swim: Nothing beats the heat like a cool dip in a pool — and there are two in the area:

• North Providence Pool & Fitness Center (indoor)
• Budlong Pool in Cranston (outdoor)

Sign Up For Football: It's time to start thinking fall with a Johnston Pre-Teen Football League meeting, tonight starting at 6 p.m. at Fireman's Hall.

Impressive Feat — And Feet: On this date in 1969, astronaut Neil Armstrong set foot on the surface of the moon.