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Eye on the Sky

May 28, 2020

Detailed Forecast

Today

This Afternoon: Partly to mostly cloudy. Slight chance of a shower in New York, the Berkshires, and southwestern Vermont. Highs in the low to mid 80s. South to southwest winds 5 to 15 mph, gusting to 30 mph west of the Greens.

Tonight

Mostly cloudy with a chance of showers. Lows in the low to mid 60s, except mid 60s to lower 70s in the Champlain and St. Lawrence Valleys. South winds 10 to 15 mph, gusting to 30 mph from the Green Mountains westward.

Friday

Partly to mostly cloudy. A rising chance of showers and thunderstorms, mainly in the afternoon; a severe storm possible, more so in New York, and in northwestern Vermont. Highs mainly in the mid 80s. Winds from the south to southwest at 10 to 15 mph, gusting to 25 mph.

Friday Night

Showers and evening thunderstorms likely, gradually diminishing from west to east after midnight. Lows in the low to mid 60s, except mid to upper 50s in the Adirondacks and St. Lawrence Valley. South winds 10 to 15 mph, becoming southwest late.

Significant/Hazardous Weather

Strong to severe thunderstorms are possible Friday afternoon into Friday night, producing strong winds, hail, and torrential downpours.

Extended Forecast

Today

This Afternoon: Partly to mostly cloudy. Slight chance of a shower in New York, the Berkshires, and southwestern Vermont. Highs in the low to mid 80s. South to southwest winds 5 to 15 mph, gusting to 30 mph west of the Greens.

Tonight

Mostly cloudy with a chance of showers. Lows in the low to mid 60s, except mid 60s to lower 70s in the Champlain and St. Lawrence Valleys. South winds 10 to 15 mph, gusting to 30 mph from the Green Mountains westward.

Friday

Partly to mostly cloudy. A rising chance of showers and thunderstorms, mainly in the afternoon; a severe storm possible, more so in New York, and in northwestern Vermont. Highs mainly in the mid 80s. Winds from the south to southwest at 10 to 15 mph, gusting to 25 mph.

Friday Night

Showers and evening thunderstorms likely, gradually diminishing from west to east after midnight. Lows in the low to mid 60s, except mid to upper 50s in the Adirondacks and St. Lawrence Valley. South winds 10 to 15 mph, becoming southwest late.

Saturday

Chance of morning showers, the partial clearing in afternoon, with a lingering shower possible in the northern mountains. Highs in the upper 60s to mid 70s north, and mid to upper 70s in the south. Winds becoming west at 10 to 15 mph.

Saturday Night

Any evening showers ending. Clearing and cooler. Lows in the 40s, a few low 50s south.

Sunday

Sunshine, mixing with afternoon clouds. Much cooler. Highs in the upper 50s to upper 60s northwest to southeast.

Sunday Night

Becoming mostly clear and chilly. Lows in the upper 30s to mid 40s, a few low 30s in the colder mountain valleys with a chance of frost.

Monday

Sunshine, mixing with afternoon clouds, and a brief, stray shower or two. Quite cool. Highs only in the mid 50s to mid 60s north to south.

Significant/Hazardous Weather

Strong to severe thunderstorms are possible Friday afternoon into Friday night, producing strong winds, hail, and torrential downpours.

Recreational Forecast

General:

This Afternoon: Partly to mostly cloudy. Slight chance of a shower in New York, the Berkshires, and southwestern Vermont. Highs in the low to mid 80s. South to southwest winds 5 to 15 mph, gusting to 30 mph west of the Greens.

Brief:

Record heat yesterday afternoon, including the hottest May afternoon ever for Burlington and Montpelier, while Mt. Mansfield reached 85, the highest temperature ever recorded on Vermont’s tallest peak. Curiously, it was hottest in the north, as there was just enough air off the ocean in southern sections to limit thermometers closer to 90 degrees. This morning is as warm if not warmer than yesterday morning, and while the humidity will hold, increasing amounts of clouds will knock down temperatures by a few to several degrees. Those clouds are part of the remnants of Tropical Storm Bertha, which lasted all of 3 hours before moving inland into South Carolina, and has worked north into West Virginia this morning, still producing tropical downpours. It will continue to weaken as it lifts north this afternoon and overnight, but it will release a few scattered, localized showers in the St. Lawrence Valley, as well as in the Berkshires, then lifting north overnight. The weather becomes much more active Friday, as a cold front pushes in from the west, increasing the chances of showers and thunderstorms, becoming numerous late in the day into Friday evening from west to east. Some thunderstorms could become strong to severe, producing strong winds, hail, and heavy downpours. A trailing cold front follows Saturday, keeping some scattered showers around, giving way to clearing and even cooler weather Sunday into early next week. In spite of this heat, we could be talking about frost in the mountain cold spots Sunday and Monday night.

Winds:

Winds today becoming south to southwest 10 to 15 mph, gusting 20 to 30 mph this afternoon, with waves on the open waters of Lake Champlain building to 1 to 3 feet. Tonight, winds south 10 to 15 mph, gusting to 35 mph from the Green Mountains west, with waves on the open waters of Lake Champlain building to 2 to 4 feet. On Friday, south to southwest winds 10 to 15 mph, gusting to 25 mph, decreasing in the afternoon, with waves on the open waters of Lake Champlain 1 to 3 feet, subsiding in the afternoon. Saturday’s outlook calls for southwest winds becoming west 10 to 15 mph, gusting to 25 mph.

***winds and waves may be higher in the vicinity of thunderstorms***

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

Mountain:

The summits today can expect periods of sun giving way to more afternoon clouds, with a chance of a localized showers, mainly in the Adirondacks and southern Green Mountains. Winds increasing from the southwest, and temperatures a few degrees cooler. Friday’s outlook brings building clouds, lowering onto the summits during increasing showers and thunderstorms, especially in the afternoon and evening. Moderate to strong southwest winds, and little change in temperatures. The weekend starts with numerous clouds and scattered showers Saturday, as temperatures fall considerably, and winds become northwest, increasing to moderate. Sunday should feature sun mixing with afternoon clouds, chilly temperatures, and winds light to moderate from the northwest.

Winds Today Friday Saturday
2000ft SW 10>20 mph SW 30>20 mph W 20>10 mph
4000ft SW 15>30 mph SW 35>20 mph W 30>15 mph
6000ft SW 10>40 mph SW 50>35 mph W 55>30 mph
Temperatures Today Friday Saturday
2000ft near 80 near 80 66 NW/74 SE
4000ft low 70s low 70s 60s>upper 50s
6000ft low 60s low 60s low 50s>40s

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