Tucson is seeing a mixture of wintry precipitation. Slick bridges are possible overnight and Tuesday morning.
Catalina Highway on Mt. Lemmon is closed because of poor weather and road conditions.
Mountain residents and employees are allowed on the road, but chains or four-wheel drive are required.
There is no estimate yet on when the road will reopen.
Snow has been seen this afternoon in Oracle, Vail, Three Points and some of the higher elevations in the Tucson metro area.
Silverbell Road between Avra Valley Road to Sasco Road is also closed.
The National Weather Service has issued the following advisory:
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 2800 FEET...
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 11 PM MST
THIS EVENING ABOVE 2800 FEET.
* IMPACTS...TRAVELERS CAN EXPECT SLEET AND SNOW SHOWERS THIS
EVENING WHICH WILL MAKE DRIVING CONDITIONS DIFFICULT.
* TIMING...SHOWERS WILL SPREAD ACROSS THE AREA THROUGH THE EVENING
HORUS...WITH SNOW LEVELS LOWERING TO NEAR 2000 FEET.
* SNOW ACCUMULATIONS...ACCUMULATIONS BETWEEN 2000 AND 2800 FEET UP
TO 1 INCH...BETWEEN 2800 AND 4500 FEET 1 TO 3 INCHES...BETWEEN
4500 AND 7000 FEET 2 TO 6 INCHES...AND ABOVE 7000 FEET BETWEEN 4
AND 8 INCHES.
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