Anybody want to go for a run?

As part of my mission/plan to lose weight, I need to start exercising. Lately, I just haven't felt like it. I've been lazy. To my credit, though, it's really hard to want to go and sweat when it's 100 degrees outside! However, the time has come. I need to break my lazy ways.

I came across this running plan at Women's Health. Running is something I've never been good at. I've kind of tried it in the past, but never really got to the point where I'd actually tell somebody that I jog or run for exercise. I might admit to "run-walking", or short bursts of jogging interspersed with lots of fast walking. But running is wonderful exercise, burns lots and lots of calories, and best of all - it's free! So I'd really like to give it another shot. This plan seems easy enough to follow and the goals attainable:

Week 1: Run 2 min, walk 3 min; repeat 6 times
Week 2: Run 3 min, walk 3 min; repeat 5 times
Week 3: Run 5 min, walk 2 min; repeat 4 times
Week 4: Run 7 min, walk 3 min; repeat 3 times
Week 5: Run 8 min, walk 2 min; repeat 3 times
Week 6: Run 9 min, walk 1 min; repeat 3 times
Week 7: Run 30 minutes

Since fall is almost here (it's Texas, and still hot), I've thought about trying to wake up early to exercise in the morning when it's nice and cool. However, as I'm a notorious night-owl, this may not happen. So, I may be out pounding the pavement at night - we'll see. But I hope to start this plan next Monday. And don't be surprised if I repeat week 1 twice. Just giving you fair warning!

Any tips out there from runners for me?