Oct 21, 2016 1:19 AM

NH1 First Alert Weather: Rainy today, colder with a change to snow for some this weekend

NH1 Meteorologist

Major weather changes are coming to the Granite State over the next few days. Some places will hit 70 degrees Friday, but colder air will arrive during the weekend. A change to snow will likely occur in the higher elevations of western and northern New Hampshire.

FRIDAY

Milder southerly winds will actually make it feel a bit muggy at times Friday. Temperatures will likely hit 70 degrees in parts of southern New Hampshire, with highs elsewhere in the 60s.

The morning will be cloudy, but only some drizzle and scattered showers are expected. There will be some dry hours.

More widespread showers and downpours will develop from south to north during Friday afternoon and especially Friday evening. Friday night football games could be very wet, especially in southern and eastern New Hampshire. A few rumbles of thunder are possible in the heaviest rain. The rain may become very heavy in part of the area Friday night, and there is the risk of some localized flash flooding in the very heaviest of the rain.

SATURDAY

After downpours move through during the overnight hours, the morning hours should be mainly dry. It'll remain mostly cloudy, and a few lingering showers are possible. The highest temperatures of the day will occur during the morning, in the low 60s in parts of southeast New Hampshire. Cooler air will start moving into the state as a gusty westerly wind develops during the afternoon. Temperatures will fall into the 50s from west to east during the afternoon.

The highest risk of rain on Saturday will come during the afternoon and evening, as showers move from southwest to northeast across the state. Some locally heavier downpours are possible as well.

SUNDAY

Cold air will continue to move into the state on a gusty west to northwest wind Saturday night and early Sunday. If the cold air arrives while precipitation is still nearby, a change from rain to snow will occur.

This will likely happen in northern and western New Hampshire, between 2am and 5am Sunday. Higher elevations of the White Mountains, especially above 1,500 feet, have the chance of a few inches of wet, slushy snow accumulating.

Some flakes may mix in early Sunday as far south as Keene, in the Monadnock Region.

During the day on Sunday, drier weather will move in and some breaks of sun will develop in southern New Hampshire. However, west-northwesterly wind gusts over 40 mph may cause scattered power outages. It'll be a cooler day; high temperatures will range from the 40s in northern New Hampshire to low and mid 50s in southern areas.

Check back for important updates to this forecast here on NH1.com and on NH1 News at 5, 6, and 10 p.m.

TIMELINE AND POTENTIAL SNOW AMOUNTS – CLICK THROUGH THE SLIDESHOW BELOW:

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    Friday Evening
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    Saturday Afternoon
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    Saturday Night
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    Early Sunday Morning
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    Later Sunday Morning
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    Potential Snow Totals
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