Don't put away those mittens just yet.
A strong, unseasonably cold storm is set to arrive in northern Arizona Friday.
The Weather Service is predicting a 90-percent to 100-percent chance of snow in Prescott Friday and Saturday, although it doesn't expect accumulations to get deeper than an inch.
But areas above 6,500 feet from the Kaibab Plateau down through the Mogollon Rim could see 6 to 10 inches of snow, so people should avoid roads in those areas this weekend if possible. The Weather Service is warning about winter driving conditions with snow-packed and icy roads.
Strong winds should signal the arrival of the deep low-pressure system by late Friday morning in Prescott. The Weather Service has issued a wind advisory for 11 a.m. to 7 p.m. Friday for much of northern Arizona, including the Yavapai County mountains and Prescott. Southwest winds could reach 20 to 30 mph with gusts of 45 mph.
The precipitation should start as rain Friday in Prescott, with a 30 percent chance of rain Friday and 100 percent chance of rain/snow Friday night, according to the Weather Service.
The snow could arrive sometime after 11 p.m. Friday night in Prescott as the snow level drops from 6,200 feet to 5,300 feet, about the elevation of downtown Prescott. The Weather Service expects snow accumulation to be less than a half-inch deep Friday night, however.
The low could drop to 31 degrees in Prescott Friday night, so people might want to cover flowering plants Friday if possible.
The forecast is calling for a 90 percent chance of snow Saturday in Prescott, then a 30 percent chance of rain/snow Saturday night, with Saturday snow accumulations also below a half-inch.
The Weather Service is forecasting a 20 percent chance of rain/snow Sunday before the storm clears out.
The high temperature is supposed to reach only 42 degrees Saturday in Prescott - more than 30 degrees lower than the high on Tuesday - then drop to 27 degrees Saturday night.
The high could go back up to 52 degrees Sunday and then 65 degrees Monday in Prescott, the Weather Service said.
For forecast updates, go online to weather.gov/flagstaff.