PHOENIX (AZFamily) — Scattered showers and thunderstorms are moving into the Valley. A First Alert Weather Day has been declared for Monday, as a few of these storms could become severe. Parts of Phoenix and communities east of the Valley got rain around 5:30 p.m.
More rain hit the East Valley around 6 p.m.
Phoenix Sky Harbor Airport saw wind speeds of more than 40 mph. The storms came in from the south, moving at around 30 mph, so communities only received rain for about 10 minutes.
After a brief cooldown into the 70s on Tuesday, a major warmup is expected late this week into the weekend, with high temperatures climbing into the mid-90s, which will likely break some records.
Most of this afternoon should remain rain-free with highs in the low 80s. A stray shower or thunderstorm is possible after 4 or 5 PM, but the better chance for more widespread storms arrives after 9 or 10 PM. Showers and storms will continue on and off overnight into the pre-dawn hours of Tuesday.
One or two storms could become severe, producing hail and strong wind gusts. Rainfall totals will vary quite a bit across the Valley, with some spots receiving around 0.05″ while others could pick up closer to 0.25″.
A few showers may linger Tuesday morning, mainly across the higher terrain east of the Valley. By Tuesday afternoon, expect increasing sunshine and highs in the mid to upper 70s.
Temperatures rebound quickly after that. Highs will reach the low to mid-80s on Wednesday, followed by a significant warmup heading into the end of the week and the weekend. Highs are expected to reach the low to mid-90s on Thursday and remain in the mid-90s from Friday through the weekend.
Several daily high-temperature records could be in jeopardy:
- March 12: 94° (set in 1900)
- March 13: 92° (set in 2017)
- March 14: 95° (set in 2013)
- March 15: 92° (set in 2013)
Looking ahead, some long-range models suggest highs could climb above 100 degrees by the middle of next week. Confidence in those numbers is still low, but if we were to reach 100+, it would mark the earliest occurrence on record.
The current record for the earliest 100-degree day is March 26, set in 1988.
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