I'm forecasting that Phil may have a hard time seeing his shadow.
Dr Thomas Waite, of the Extreme Events team at PHE, said: "Cold weather like this is part of winter but just because we're used to it doesn't mean we shouldn't take steps to protect ourselves from becoming ill".
A chance of flurries after 9 a.m. today.
Wednesday, the high will be near 34 with mostly sunny skies, the weather service said. Wind chill values will be below zero for much of Friday evening. Blustery, with a northwest wind 17-20 miles per hour, with gusts as high as 29 miles per hour.
Tuesday: Increasing clouds, with a chance for snow changing to rain late. Mostly cloudy, with a low around 18. South wind 6 to 9 miles per hour.
The Climate Prediction Center says odds favor Portland having above average February temperatures and equal chances of above average, average and below average precipitation. By Saturday afternoon, snow showers will be widespread across the region. Mostly cloudy, with a high near 49. Southwest wind 3 to 6 miles per hour.
Tuesday: A 20 percent chance of showers.
Temperatures are expected to drop from about 30 in the morning into the low 20s by Friday afternoon, according to the weather service. Low around 32. Chance of precipitation is 80 percent. At this time, little to no snow accumulation is expected through Saturday night.
Gusty winds and blowing snow will be present in many areas as the low moves east and temperatures continue to plunge. Blustery, with a northwest wind 15 to 20 miles per hour. Chance of precipitation is 70 percent. Northwest Montana will see cloudy skies and stay mostly dry, however, this afternoon we can't rule out a few light snow showers developing.
Monday: Sunny, with a high near 65. Mostly cloudy, with a high near 69. The northwest Montana valleys will see rain/snow showers while the mountains and higher elevations continue to pick up good amounts of snow.
Tonight, will be clear and quite cold with lows 5-15. That would point to heavy snows over the northern half of the state from midnight through noon on Wednesday. Cloudy, with a high near 46. Cloudy, with a low around 21.
Thursday, partly sunny, with a high near 20.