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An unseasonable winter warm-up is bringing record-high temperatures to Arizona and the Southwest.

Phoenix is experiencing temperatures in the low 80s, nearing daily record highs.

Flagstaff has already tied a daily record high and could set new ones, with temperatures 20 degrees above normal.

Arizona knows heat waves. But in December?

A winter warm-up is bringing un-winter-like temperatures to much of the Southwest right now, with temperatures running well above normal from the deserts to the high country.

In Phoenix, afternoon highs are climbing into the upper 70s and low 80s over the weekend, flirting with daily record highs more typical of late spring than mid-December. Even Flagstaff is feeling the heat, with temperatures pushing into the mid-60s, up to 20 degr

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