Phoenix weather: Warm temps won't last

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By Christina O'Haver By Christina O'Haver

PHOENIX -- After a high temperature of 71 degrees at Sky Harbor Airport on Sunday, the Valley will see highs at least in the mid-70s over the next few days.

However, a developing storm system will bring big changes Friday and Saturday.

The forecast models are in agreement about one thing -- it's going to get cool by the end of the week.

Highs on Friday and Saturday will stay in the low-60s.

However, it is not as clear whether the Valley will see rain with this system.

A chance of showers is expected Friday, and the possibility could extend into Saturday.