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Eye on the Sky

April 28, 2017

Detailed Forecast

Today

Early clouds, with scattered, passing showers ending west to east. Becoming partly to mostly sunny, starting in NY, spreading east to NH by midday. Highs in the upper 60s to low 70s north, in the 70s in the Champlain Valley and south. South winds, shifting to the southwest and west near 10 mph, a few gusts to 25 mph.

Tonight

Mainly clear in the evening, then increasing clouds. A chance of a shower late from the Green Mountains west. Lows in the mid 40s to low 50s. West to southwest winds near 10 mph, diminishing to light and variable in wind-sheltered valleys.

Saturday

Mostly cloudy in the morning, with scattered showers. Becoming partly sunny in the afternoon. Breezy and cooler. Highs in the 60s north, in the low to mid 70s south. Southwest winds, shifting to the west and northwest in the afternoon 10 to 20 mph, some gusts to 30 mph.

Saturday Night

Mostly clear north, then increasing clouds. Partly cloudy south, becoming mostly cloudy. Much cooler. Lows in the 30s north, to the low and mid 40s south. Northwest 10 to 15 mph, gusting to 25 mph in the evening, tapering off to light late at night.

Significant/Hazardous Weather

None.

Extended Forecast

Today

Early clouds, with scattered, passing showers ending west to east. Becoming partly to mostly sunny, starting in NY, spreading east to NH by midday. Highs in the upper 60s to low 70s north, in the 70s in the Champlain Valley and south. South winds, shifting to the southwest and west near 10 mph, a few gusts to 25 mph.

Tonight

Mainly clear in the evening, then increasing clouds. A chance of a shower late from the Green Mountains west. Lows in the mid 40s to low 50s. West to southwest winds near 10 mph, diminishing to light and variable in wind-sheltered valleys.

Saturday

Mostly cloudy in the morning, with scattered showers. Becoming partly sunny in the afternoon. Breezy and cooler. Highs in the 60s north, in the low to mid 70s south. Southwest winds, shifting to the west and northwest in the afternoon 10 to 20 mph, some gusts to 30 mph.

Saturday Night

Mostly clear north, then increasing clouds. Partly cloudy south, becoming mostly cloudy. Much cooler. Lows in the 30s north, to the low and mid 40s south. Northwest 10 to 15 mph, gusting to 25 mph in the evening, tapering off to light late at night.

Sunday

A little morning sun east, otherwise mostly cloudy and much cooler. A chance of a few showers far north, as well as west of the Green Mountains later in the day. Highs in the 50s north, near 50 over the higher terrain and Quebec, and upper 50s to mid 60s south. Winds light and variable.

Sunday Night

Cloudy, with showers likely north, and a chance of showers south. Lows in the 40s, near 40 in parts of NH.

Monday

Cloudy, with showers likely north, and a chance of showers south, with a few breaks of sun possible. Highs in the upper 50s to mid 60s east, in the upper 60s to low 70s west.

Monday Night

Becoming cloudy, with showers likely. Lows in the upper 40s to mid 50s, coolest northeast.

Tuesday

Showers likely north, with a chance of showers south. Highs in the 60s, some upper 50s northwest, and a few low 70s far south.

Significant/Hazardous Weather

None.

Recreational Forecast

General:

Early clouds, with scattered, passing showers ending west to east. Becoming partly to mostly sunny, starting in NY, spreading east to NH by midday. Highs in the upper 60s to low 70s north, in the 70s in the Champlain Valley and south. South winds, shifting to the southwest and west near 10 mph, a few gusts to 25 mph.

Brief:

This morning is starting summer-like, readings in the 50s and low 60s, the air somewhat soft and moist as a weakening cold front encouraged a mild, southerly airflow last night, and collected just enough moisture to squeeze out a few showers. But the few localized, passing showers are decaying, while clearing is progressing in from the west. The front is attached to low pressure over James Bay, which creates a southwest airflow here, a relatively warm direction. Any cool air behind the front is lifting north, and with increasing sunshine, the sun should counteract any cooling. Because of the persistent clouds in eastern areas yesterday keeping temperatures in the 60s, it will end up warmer east, but cooler west. All-in-all, a pleasant afternoon. Saturday brings another cold front through, with a slightly better chance, but still hit-or-miss. More noticeable will be the cooling in northern areas, low to mid 60s, as high pressure builds to our north across Ontario and Quebec. This will feed much cooler air into the region Sunday, while the weather fronts begin to return, increasing the clouds, and setting us up for a cool, showery start to next week, and to the month of May.

Winds:

Winds today south, shifting to the southwest near 10 mph, a few gusts to 25 mph. Overnight, west to southwest winds near 10 mph, diminishing to light and variable in wind-sheltered valleys. On Saturday, southwest winds, shifting to the northwest 10 to 15 mph, some gusts to 30 mph in the afternoon. Sunday’s outlook calls for light and variable winds.

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

Mountain:

The summits today start with early clouds, in and out across the summits as any scattered showers end, then clearing west to east, last in NH, the Presidential Range obscured most of the day. Winds turning to the west and southwest, and temperatures steady or slowly falling. The weekend outlook starts with periods of clouds Saturday, and a few brief, passing showers, then some clearing in the afternoon. A few degrees cooler, as winds increase from the northwest. On Sunday, any early sun giving way to clouds, mainly above the summits. Winds becoming light, and much cooler.

Winds Today Saturday Sunday
2000ft WSW 10 > 25 mph W 15 > NW 30 mph N 10 > light
4000ft WSW 20 to 35 mph W 20 > NW 35 mph NW 15 > light
6000ft SW 45 > W 65 mph W > NW 50 to 75 mph NW>W 35 to 50 mph
Temperatures Today Saturday Sunday
2000ft 66 NW/71 SE 58 N/70 S 48 N/53 S
4000ft 50s 50s near 40
6000ft 50 > 40s low 40s 30s