Here comes our first round of Winter

TUCSON – While Winter is officially three weeks away, Mother Nature is sending a Winter-like blast of rain, snow and cold air to southern Arizona. 

A cold front will sweep through the State late tonight and into Friday morning bringing plenty of changes. Valley rain and mountain snow begins around 1 am and should finish up by midday Friday. 

Rainfall amounts will be light – generally around 0.25″ or less in most spots while above 7000′ the precipitation will be in the form of snow. 

While October was a wet month for Tucson, no rain has been picked up during the month of November. 

Much cooler air will filter in for Friday and the weekend with highs only in the upper 50s to lower 60s. Rain is in the forecast for Sunday as well. 

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A Halloween Chill

TUCSON – Heads up trick-or-treaters, this Halloween will bring a spooky chill to the area and temperatures will quickly fall into the 50s as soon as 8 PM tonight.

Much cooler air has filtered into the region after yesterday’s cold front and a Freeze Warning – the first of the season – has been issued for the coolest sections of SE Arizona. So expect freezing to briefly sub-freezing temperatures in the areas shaded in purple.

Here’s a list of forecast lows for sections of the region tonight.

Finally, this cool air mass isn’t too rare for this time of year.

So bundle up and enjoy the changing of the seasons.