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Eye on the Sky

July 1, 2015

Detailed Forecast

Today

***FLASH FLOOD WARNING FOR NORTHWESTERN VERMONT***

Mostly cloudy this afternoon, with scattered to numerous showers and thunderstorms. A strong storm possible, mainly south. Highs in the low to mid 70s north, mid to upper 70s south. Winds from the south at 10 to 15 mph, gusting to 25 in the Champlain Valley and over the higher terrain.

Tonight

Mostly cloudy, with evening showers or thunderstorms, a few possibly strong, then showers tapering off from west to east. Lows in the low to mid 50s north, mid to upper 50s south. Winds shifting to the southwest 10 to 15 mph, gusting to 25 mph this evening, diminishing after midnight.

Thursday

Decreasing clouds by late morning in the south and in the Champlain Valley, and by mid afternoon northeast. Slight chance of a shower in the Eastern Townships. Highs in the low to mid 70s, around 70 in the northern hills, and a few upper 70s in southern valleys. West winds around 10 mph, occasionally gusting to 20 mph.

Thursday Night

Becoming mainly clear. Areas of valley fog. Lows in the upper 40s to lower 50s, mid 40s in the cooler mountain hollows. West to northwest winds 10 to 15 mph early, then becoming light west.

Significant/Hazardous Weather

Heavy rain through early afternoon in northwestern Vermont has prompted a Flash Flood Warning there. Some strong thunderstorms remain possible this afternoon, mainly south. Seek immediate shelter if threatening weather approaches.

Extended Forecast

Today

***FLASH FLOOD WARNING FOR NORTHWESTERN VERMONT***

Mostly cloudy this afternoon, with scattered to numerous showers and thunderstorms. A strong storm possible, mainly south. Highs in the low to mid 70s north, mid to upper 70s south. Winds from the south at 10 to 15 mph, gusting to 25 in the Champlain Valley and over the higher terrain.

Tonight

Mostly cloudy, with evening showers or thunderstorms, a few possibly strong, then showers tapering off from west to east. Lows in the low to mid 50s north, mid to upper 50s south. Winds shifting to the southwest 10 to 15 mph, gusting to 25 mph this evening, diminishing after midnight.

Thursday

Decreasing clouds by late morning in the south and in the Champlain Valley, and by mid afternoon northeast. Slight chance of a shower in the Eastern Townships. Highs in the low to mid 70s, around 70 in the northern hills, and a few upper 70s in southern valleys. West winds around 10 mph, occasionally gusting to 20 mph.

Thursday Night

Becoming mainly clear. Areas of valley fog. Lows in the upper 40s to lower 50s, mid 40s in the cooler mountain hollows. West to northwest winds 10 to 15 mph early, then becoming light west.

Friday

Mostly sunny and pleasant. Highs in the mid to upper 70s north, and upper 70s to lower 80s south. Light winds, variable to west.

Friday Night

Mostly clear. Lows in the upper 40s to mid 50s.

Saturday

Sunshine, mixing with some afternoon clouds. A chance of a localized afternoon shower through southern Quebec, and far northern VT and NY. Highs in the mid 70s to low 80s.

Saturday Night

Partly cloudy, with any localized showers northeast ending. Lows in the 50s.

Sunday

Sunshine mixed with clouds. Highs in the mid 70s to low 80s.

Significant/Hazardous Weather

Heavy rain through early afternoon in northwestern Vermont has prompted a Flash Flood Warning there. Some strong thunderstorms remain possible this afternoon, mainly south. Seek immediate shelter if threatening weather approaches.

Recreational Forecast

General:

Mostly cloudy with numerous showers and localized thunderstorms this morning, then scattered this afternoon, when a few thunderstorms could contain heavy downpours, gusty winds, and small hail. Highs in the 70s. Winds from the south 10 to 15 mph, gusting to 25 in the Champlain Valley and over the higher terrain.

Brief:

A weak but soggy storm is lifting northeast from eastern PA into the listening area with numerous showers and a few embedded thunderstorms, spreading through the region this morning. At the same time, a cold front working east from the Great Lakes will trigger more scattered showers and thunderstorms this afternoon into the evening, a few potentially strong, with heavy downpours, gusty winds, and even some small hail. As the front moves through this evening, the showers will taper off as the front introduces drier air for Thursday into the upcoming 4th of July weekend. A minor disturbance could squeeze out a widely scattered shower Saturday afternoon or evening through far northern areas, and an weak system could bring a spotty shower south Sunday. But overall, drier weather and a return to more seasonable temperatures should open the month of July.

Winds:

Winds today from the south 10 to 15 mph, gusting to 25 in the Champlain Valley and over the higher terrain, with waves on the open waters of Lake Champlain 1 to 3 feet. Winds overnight becoming southwest 10 to 15 mph, gusting to 25 mph in the evening, decreasing after midnight, with waves on the open waters of Lake Champlain subsiding to 1 to 2 feet. Winds on Thursday from the west 10 to 15 mph, gusting to 25 mph, decreasing in the afternoon, with waves on the open waters of Lake Champlain 1 to 2 feet. The outlook for Friday calls for light winds, mainly west less than 10 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 will be frequently in the clouds with numerous showers or thunderstorms, with moderate southwest winds. Any storms could be strong, with heavy rains causing quick rises on streams, and potentially strong, gusty winds. Thursday should have a mix of clouds and sun, brisk west winds decreasing in the afternoon, and temperatures several degrees cooler. The outlook for Friday features lots of sunshine, light west winds, and a few degrees warmer.

Winds Today Thursday Friday
2000ft S 15 to 25 mph W 20 > 10 mph W 10 to 15 mph
4000ft S > SW 20 to 35 mph W 30 > 15 mph W 10 to 20 mph
6000ft SW 35 to 50 mph W 45 < 25 mph W 20 to 35 mph
Temperatures Today Thursday Friday
2000ft near 70 67 N/73 S low 70s
4000ft 60s upper 50s 60s
6000ft 50s upper 40s 50s