Weather Forecast

Extended Forecast  |  Significant/Hazardous Weather  |  Recreational Forecast  |  Detailed Discussion  |  Farm & Garden  |  Wind by Elevation  |  Temperature by Elevation

Detailed Forecast

***HEAT ADVISORIES TUESDAY***

Tonight:
Periods of clouds. Chance of an early shower, mainly north. Lows from the mid 60s to around 70, some lower 60s northeast. Southwest winds 5 to 10 mph, becoming light and variable east of the Greens.

Tuesday:
Mostly sunny, hot, and humid. Chance of a late day shower or thunderstorm near the Vermont/Québec border. Highs in the low to mid 90s. West to southwest winds 10 to 15 mph, and gusting to 25 mph.

Tuesday Night:
Scattered showers and thunderstorms north of Route 4, except likely near and north of Route 2, chance late in areas south of Route 4; severe storms possible, especially north. Lows in the low to mid 70s, some upper 60s far north. West winds 5 to 10 mph, gusting to 20 mph.

Extended Forecast

Wednesday:
Partly to mostly sunny. Chance of an early shower. Highs in the mid to upper 80s north, upper 80s to lower 90s in the south. West to northwest winds 10 to 15 mph, gusting to 25 mph.

Wednesday Night:
Mainly clear. Lows in the low to mid 60s, with some upper 50s northeast and in the Adirondacks.

Thursday:
Mostly sunny south. Increasing clouds north, with the chance of afternoon showers. Highs from the mid 80s to around 90 south, and upper 70s to mid 80s north, some mid 70s northeast.

Thursday Night:
Partly cloudy. Chance of showers, mainly north. Lows from the mid 50s to lower 60s, some lower 50s northeast.

Friday:
Partly cloudy. Highs from the upper 60s to mid 70s north, and upper 70s to mid 80s in the south.

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Significant/Hazardous Weather

***HEAT ADVISORIES TUESDAY***
Temperatures through the 90s, combined with high humidity making the air feel-like triple digits along the New York-Vermont border and the Lakes Region.

***SEVERE THUNDERSTORMS POSSIBLE TUESDAY NIGHT, MAINLY NEAR AND NORTH OF ROUTE 4, BEST CHANCE NEAR THE INTERNATIONAL BORDER***
Damaging winds will be the primary threat. Gusty winds will build from the west between 10 to 15 mph, gusting up to 25, but downburst from strong storms could reach 45 to 50 mph gusts.  Storms around the International Border might include large hail, and/or heavy rainfall. Check the forecast for updates, especially if you’ll be outdoors in the evening.

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Recreational Forecast

Mountain Forecast:

Warm temperatures will take hold even over the higher terrain for today and tomorrow, cooling-off only slightly on Wednesday. Winds will be moderate today, and then moderate to strong for Tuesday and Wednesday. And that refers to winds outside of any thunderstorms that might occur. If you have plans in the northern mountains on Tuesday, make sure to wrap things up prior to the evening. A strong cold front will descend from our north on Tuesday night. A heightened risk for severe thunderstorms as noted across northern areas starting Tuesday evening, perhaps even as early as the late afternoon hours near the international border. Any storms will bring the risk of damaging winds and heavy rainfall to all northern areas, including the higher terrain of the Green and White Mountains, and possibly the northern Adirondacks.

Wind At Lower Elevations:
Today winds at lower elevations will come from the southwest at 5 to 10 mph, gusting to 15 mph, with waves on Lake Champlain around 1 foot. On Tuesday, west to southwest winds of 10 to 15 mph will gust to 25 mph. On Wednesday, winds will shift to the west to northwest at 10 to 15 mph, gusting to 25 mph.

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

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Detailed Discussion

Unusually hot weather has plagued the northern Midwest over the weekend and now today, but that trapped heat is slipping eastward into our region by tomorrow. Through the day on Tuesday, we will come barely within the northeastern edge of this feature. It will enter our region only briefly, as it will soon get beaten back toward the south. This will happen as multiple disturbances rotate around a large upper-level low over northern Québec. The first such disturbance today will be relatively weak, bringing about just the slight chance of a shower, mainly over northern areas. On Tuesday, the heat and humidity will take over our weather briefly, before the arrival of the next disturbance bound from our north, one that will be much stronger. Today, this heat dome slips westward and will take over our weather briefly. Temperatures will swell tomorrow with the increased moisture making the heat feel almost 100 in the late afternoon. This creates high potential for strong thunderstorms, mainly north from Tuesday evening into the first half of Tuesday night as tightly-packed surface cold front sweeps by. Damaging winds will be the primary threat. Gusty winds will build from the west between 10 to 15 mph, gusting up to 25, but downburst from strong storms could reach 45 to 50 mph gusts.  After dark, storms around the International Border might include large hail, and/or heavy rainfall. Showers will continue south as the cold front passes, losing most of their energy after midnight. Most showers will taper off by daybreak, and more sunshine will break through Wednesday morning. The air feels more refreshing behind the front: temperatures will be much cooler and the humidity will have dried out. Be on the lookout for any storm damage in the morning. Wednesday will be less warm behind the front, but with temperatures still above average, especially in southern areas. The next cold front from our north will arrive on Thursday. This will again result in the chance of showers or storms, mainly over northern areas, on Thursday afternoon. And a general cooling trend is likely to continue into the weekend. After Thursday and Thursday night, the best chance for showers will come from late Saturday into Sunday.

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Farm & Garden

Rainfall Forecast:
Between 8 AM today and 8 AM on Tuesday: a trace to 15 hundredths of an inch from Route 2 northward, and in the southern Greens and Berkshires. Between 8 AM Tuesday and 8 AM on Wednesday: a trace to a tenth of an inch from Route 4 southward, and a tenth to a third of an inch from Route 4 northward, and spot totals of 0.75 to 1.25 inches northeast and in the northern Greens. Between 8 AM Wednesday and 8 AM on Thursday: a trace to a tenth of an inch.

Drying Conditions:
Today, good to excellent, except fair north of Route 2 and in the southern Greens and Berkshires, with the chance of a shower. Tuesday, good to excellent, except fair near the international border. Wednesday, good to excellent in the south, and fair to good in the north.

Frost:
No frost for the foreseeable future.

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Wind by Elevation

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Temperature by Elevation

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