Only a few parts of New Brunswick will be spared extreme winter weather Friday and Saturday, whether it's a storm, extremely cold temperatures or extremely high winds.

Environment Canada is forecasting up to 30 centimetres of snow or more in Moncton, Saint John and surrounding areas.

RCMP New Brunswick tweeted Friday night that travel in the Fredericton and Moncton regions is not recommended due to snow and patches of ice.

The routes not recommended for travel are on Highway 2 between Upper Kingsclear and Moncton, on Highway 7 from the Fredericton city limit to West Junction and Highway 2 from Longs Creek to Moncton.

Northern New Brunswick is expected to get temperatures feeling like –36 C with windchill.

The agency's winter storm warnings are in effect for the Acadian Peninsula, and Kent, Westmorland, Albert, Queens, Kings and Saint John counties.

Snow is expected to start late Friday afternoon into Saturday. Between 15 and 35 centimetres of snow is expected. The storm is expected to start with rain in the Fundy region.

Ahead of the snow, Saint John declared a temporary parking ban for north, east and west areas, effective midnight Friday night until Saturday at 7 a.m. AT.

Extreme cold warnings are in effect in Madawaska Victoria, Restigouche, Gloucester and Northumberland counties.

The temperatures are expected to drop dramatically Friday night into Saturday morning, feeling like between –33 C and –36 C. The low temperatures bring a risk of frostbite, developing within minutes on exposed skin.

Coastal Charlotte County, including Grand Manan, is under a wind warning, with maximum gusts of 70 kilometres per hour expected, and up to 90 kilometres per hour along parts of the coast.

Only central New Brunswick, including the Fredericton and Doaktown areas, as well as Bathurst in the north, are under no warnings.

But CBC meteorologist Tina Simpkin said central New Brunswick is expected to get between 10 and 15 centimetres of snow Friday night.

Simpkin said Friday will start off cloudy with flurries in the morning, then see periods of light snow in the afternoon. In southeastern New Brunswick and along the Fundy Coast, snow will be mixing with rain, with a risk of freezing rain. Temperature highs will range between –5 C and 2 C.

By Friday night, the clouds will continue, and there will be more snow and blowing snow. There's a risk of snow mixing with ice pellets along the Fundy Coast and southeastern New Brunswick. This is when most of the snowfall will happen.

The snow and blowing snow will continue Saturday morning, followed by flurries in the afternoon and temperatures of between –18 C and –12 C, Simpkin said. Wind chill will make temperatures feel like –20 C or colder across the province.

Things will finally calm down Sunday, when it's expected to be mostly sunny with a mix of sun and clouds in some areas, with highs of –10 C to –6 C.