Five Things You Need To Know Today, April 25

“Five Things You Need to Know Today" is a Patch column that provides readers with essential, daily information at a glance. Check back later for more and let us know what you think of the feature in the comments section.

Today is Wednesday, April 25, 2012, here are five things you need to know today.

1.  Partly Sunny, Partly Rainy: The National Weather Service says slight chance of showers after 11 a.m. today. Partly sunny, with a high near 55. West wind between 9 and 14 mph, with gusts as high as 26 mph. In the evening, chance of precipitation is 20 percent. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West wind between 5 and 13 mph, with gusts as high as 25 mph.

2. Jacki Sorensen's Aerobic Dance/Workout Fitness Class: A one hour class with a little of everything including a warmup, stretching, abs, pushups, Vertifirm with weights, choreograped cardio routines for all ages and levels of ability. , 34 Dix St, Winchester at 8:30 a.m. Costs $7.

3. Above & Below: Our Watershed, Our Stormwater: Sustainable Winchester presents a focus on water, that most precious of resources and—in our community—a serious problem that’s getting much-needed attention. Winchester Town Engineer, Beth Rudolph, gives a tour of Winchester's stormwater system, and Beth MacBlane of the Mystic River Watershed Association talks about protecting our watershed. Excerpts from the film Liquid Assets rounds out the picture. Come to learn; stay for the lively Q&A after the film at 7 p.m. at the

4. Free Oral, Head and Neck Cancer Screenings: A Winchester Hospital physician will perform oral, head and neck cancer screenings Tuesday from 7 to 8:30 a.m. and 1 to 2 p.m.; and Thursday April 26 from 3:30 to 5 p.m. at Winchester Hospital Center for Cancer Care, 620 Washington St. in Winchester. Educational materials will be provided. Registration is required by calling the Community Health Institute at (781) 756-4700. , 620 Washington St.

5. Remember, you can claim your business listing in our directory. Learn how you can take control of you business listing and about what's happening at your place.