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Eye on the Sky

November 21, 2018

Detailed Forecast

Today

Mostly cloudy. Snow showers accompanied by squalls, arriving in northern New York this morning, in the northern Green around noon and then spreading southeastward; 1 to 3 inches, mainly north. Valley highs mainly from the upper 20s to mid 30s; temperatures falling over high terrain in the afternoon. Southwest winds increasing to 10 to 20 mph, becoming west to northwest and gusting to 35 mph.

Tonight

Evening snow showers likely in the northern mountains, scattered elsewhere. Lows in the single digits above, with a few northern cold spots zero or below; winds chills below zero. Northwest winds 10 to 20 mph, gusting to 35 mph early.

Thursday

Partly cloudy, blustery, and very cold. Valley highs mainly in the low to mid teens, mid to upper teens in far southern valleys; wind chills remaining below zero. Northwest winds 10 to 20 mph gusting to 30 mph.

Thursday Night

Partly cloudy. Lows in the single digits on either side of zero, except 10 above near Lake Champlain. Northwest winds gusting to 25 mph in the evening, becoming light and variable late.

Significant/Hazardous Weather

Snow squalls possible today, this morning in the St. Lawrence Valley and Adirondacks, toward noon in the northern Greens, and the spreading southeastward for the rest of the day. Bitterly cold wind chills tonight and Thursday.

Extended Forecast

Today

Mostly cloudy. Snow showers accompanied by squalls, arriving in northern New York this morning, in the northern Green around noon and then spreading southeastward; 1 to 3 inches, mainly north. Valley highs mainly from the upper 20s to mid 30s; temperatures falling over high terrain in the afternoon. Southwest winds increasing to 10 to 20 mph, becoming west to northwest and gusting to 35 mph.

Tonight

Evening snow showers likely in the northern mountains, scattered elsewhere. Lows in the single digits above, with a few northern cold spots zero or below; winds chills below zero. Northwest winds 10 to 20 mph, gusting to 35 mph early.

Thursday

Partly cloudy, blustery, and very cold. Valley highs mainly in the low to mid teens, mid to upper teens in far southern valleys; wind chills remaining below zero. Northwest winds 10 to 20 mph gusting to 30 mph.

Thursday Night

Partly cloudy. Lows in the single digits on either side of zero, except 10 above near Lake Champlain. Northwest winds gusting to 25 mph in the evening, becoming light and variable late.

Friday

Partly to mostly sunny. Highs in the upper teens to mid 20s. South to southwest less than 10 mph in areas west of the Green Mountains, and light southwesterly in areas east of the Greens.

Friday Night

Mainly clear. Lows in the single digits to lower teens.

Saturday

Increasing high clouds. Highs in the upper 20 to lower 30s northeast, mid to upper 30s elsewhere.

Saturday Night

A rising chance of mixed precipitation. Lows from the mid 20s to lower 30s.

Sunday

Mixed precipitation likely early, changing to rain. Highs from the upper 30s to mid 40s.

Significant/Hazardous Weather

Snow squalls possible today, this morning in the St. Lawrence Valley and Adirondacks, toward noon in the northern Greens, and the spreading southeastward for the rest of the day. Bitterly cold wind chills tonight and Thursday.

Recreational Forecast

General:

Mostly cloudy. Snow showers accompanied by squalls, arriving in northern New York this morning, in the northern Green around noon and then spreading southeastward; 1 to 3 inches, mainly north. Valley highs mainly from the upper 20s to mid 30s; temperatures falling over high terrain in the afternoon. Southwest winds increasing to 10 to 20 mph, becoming west to northwest and gusting to 35 mph.

Brief:


Winds:

Winds at lower elevations today will initially come out of the south to southwest, increasing to 10 to 20 mph. But in the wake of a strong cold front, the direction will become west to northwesterly, along with gusts to 35 mph. Winds will become northwesterly tonight, gusting to 35 mph early, but remaining sustained at 10 to 20 mph overnight, and driving wind chills below zero. The sub-zero wind chills will stick around on Thanksgiving Day, as the northwest winds continue at 10 to 20 mph, and gust to 30 mph. Winds will much lighter on Friday, from the south to southwest at less than 10 mph in areas west of the Green Mountains, and light southwesterly in areas east of the Greens.

For more details on Lake Champlain, go to: http://forecast.weather.gov/product.php?site=BTV&product=REC&issuedby=BTV

Mountain:

A compact surface low and arctic front will move through from the west today. Summits will be in and out of clouds early today followed by increasing clouds, along with numerous snow showers squalls, most concentrated in the north. This activity will arrive mid-morning in the Adirondacks, by noon in the northern Greens, and will then spread southeastward for the rest of the day. Temperatures will be falling behind the front, again first in the Adirondacks, and over high terrain farther to the south and east during the afternoon. It will be extremely cold and windy tomorrow, with temperatures over the 4,000-foot summits struggling to get above zero, and wind chills 30 to 40 below.

Winds Today Thursday Friday
2000ft SW 15 to 25, G 35, bcmg WNW NW 15 to 30 mph
4000ft SW 30 to 45 mph, bcmg WNW NW 35 to 50 mph
6000ft WSW 50 to 70 mph, G 80
Temperatures Today Thursday Friday
2000ft 22 NW / 30 SE; falling in the aftn 5 N / 10 S
4000ft 17 NW / 25 SE; falling in the aftn; WC 10 to 20 below 6B N / 00 S
6000ft Around 4; falling in the aftn; WC 20 to 30 below

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