Water retention in a heatwave?

For those of you who like to weigh yourself every morning don’t be overly concerned if you have a sudden weight gain.

Why the Scale Lies:
http://www.primusweb.com/fitnesspartner/library/weight/scale.htm

Remember you want to lose Body Fat, not weight, and muscle weighs more than fat.

Understanding Your Body Fat Percentage:
http://www.healthchecksystems.com/bodyfat.htm

Stick to weighing in on a weekly basis. Or go by how clothes are fitting/measurements.

And set a realistic goal. I remember reading once that most women have a goal that is under the ideal weight for them.