Dec 4, 2013 10:18 AM by Jeff Beamish

Polar Express pulls into the Old Pueblo

TUCSON - The coldest air of the season is set to arrive in the next 36 hours.

A cold front is sweeping across the state this morning. Here is a timeline of what to expect, according to News 4 Meteorologist Jeff Beamish:

ADVISORIES: Wind Advisory for Cochise, Graham and Greenlee Counties from 11 AM until 8 PM today. West-southwest winds gusting to 45 MPH east of Tucson, likely in the 15-30 MPH range for the metro.

TIMING: Gusty winds this afternoon, isolated showers by this evening. Showers & mountain snow increase in coverage overnight through tomorrow morning. Rain/snow tapers off late tomorrow afternoon.

RAIN TOTALS: 0.10-0.30" rain between this evening and tomorrow afternoon from central Pima County and points east.

SNOWFALL: Snow level drops to 5,500-6,000 feet by tomorrow morning. This may fall down to 4,000 feet tomorrow afternoon, but precip should be over with by that time. 5-10" snow looks possible for Mt. Lemmon & the Whites.

TEMPERATURES: Highs this afternoon in the mid 60's, dropping to the low/mid 50's tomorrow afternoon through the weekend. Tucson's first Fall freeze arrives either Friday morning or Saturday morning.

SENSIBLE WX IMPACTS: Not much of a threat for blowing dust along I-10, due to heavy rains a few weekends ago. Snow-covered roads possible in the higher elevations. Remember the people, pets, pipe and plants before heading to bed Thursday night and Friday night.


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