It's Gonna Get C-c-c-cold Soon

What is being described as a “brutally cold air mass” is moving into New Hampshire tonight and tomorrow and will hang around the state until Tuesday morning, according to weather forecasters.

The National Weather Service has issued a wind chill advisory for Monday into Tuesday morning for Merrimack, Hillsborough, and Rockingham counties. Expect temperatures to drop to as much as 10 to 15 degrees below zero in some parts of New Hampshire, according to AccuWeather.com. And when those temps are combined with 10 to 15 mph winds, with wind gusts of up to 25 mph, it will feel like it is as much as 30 below zero.

“Frost bite and hypothermia are possible,” according to the NWS.

Before the bitter wind chills, there could be other issues. AccuWeather.com says that black ice could be a problem on Sunday night and Monday morning, especially after all the downright balmy temps on Sunday.

Here’s a rundown of this week’s weather:

• Sunday night: Mostly cloudy with lows in the high single digits to low teens with a light wind.
• Monday: Clear and cold with temps in the teens and single digits. Winds between 10 to 15 mph with gusts up to 25 mph an hour. It will feel as if it is 10 to 15 below zero.
• Monday night: Clear with lows around -15 degrees with wind chills as low as 30 below.
• Tuesday: Sunny with highs in the teens but the wind will make it feel as if it is 15 to 25 below zero.
• Tuesday night: Cloudy with temps in the single digits.
• Wednesday: Highs near 30.
• Wednesday night: Temps in the single digits.
• Thursday: Highs in the teens.
• Thursday night: Temps in the single digits to low negatives.