TUCSON, Ariz. (13 News) – Tropical moisture is beginning to push into the region today from Tropical Storm Priscilla to the south, leading to cloud cover and scattered showers/weak storm chances through tonight. Priscilla will weaken over the next few days as the bulk of its rainfall moves to our west & north through Friday. Here in Southern AZ, we’ll have scattered showers/weak storms continue through Friday (in the 20-30% rain chance range).

The real show starts by the weekend, as the moisture from Priscilla combines forces with Raymond, which will likely soon form behind it. This will lead to widespread high rainfall totals on Saturday & Sunday & an anticipated flood threat. This is why we’ve issued First Alert Weather Days Saturday & Sunday . Rain chances begin to taper off by early

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