Weather Forecast

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

Detailed Forecast

This Afternoon:
Mostly sunny. Highs from the mid 60s to around 70. South winds 10 to 15 mph, gusting 25 east of the Greens, and to 35 mph in the west.

Tonight:
A rising chance of showers west of the Greens, mainly late, chance late to the east. Lows in the low to mid 40s, except mid to upper 40s in the Champlain Valley. South winds 5 to 15 mph, gusting to 30 mph in the Champlain Valley.

Wednesday:
Rain showers likely, mixing with or changing to snow north and in the southern Greens, diminishing from northwest to southeast in the afternoon; little or no snow accumulation. Valley temperatures falling into the mid 30s north, rising back to around 40 in the St. Lawrence Valley late in the day; falling into the 40s in the south. Southwest winds becoming northwest and gusting to 30 mph.

Extended Forecast

Wednesday Night:
Chance of early rain or snow showers east of the Greens, and in the south, otherwise mainly clear, or becoming so. Lows from the upper teens to mid 20s. Northwest winds 10 to 15 mph, gusting to 30 mph.

Thursday:
A mix of sun and clouds. Blustery, with highs from the mid 40s to around 50 north, and low to mid 50s in the south. Northwest winds 5 to 15 mph, gusting to 25 mph.

Thursday Night:
Mainly clear. Lows from the mid 20s to around 30, some lower 20s northeast.

Friday:
Mostly sunny and more seasonable. Highs from the 50s to around 60, some mid 50s northeast.

Friday Night:
Mostly clear, then some high clouds arriving from the west after midnight. Not as cold. Lows in the 30s, a few upper 20s in the cold spots northeast.

Saturday:
Increasing clouds, breezy, and mild. Chance of afternoon showers in the St. Lawrence Valley and northern New York. Highs in the low to mid 60s.

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Significant/Hazardous Weather

Very dry air, sunshine, and brisk winds increase the danger of grass and brush fires today. Outdoor burning is not recommended. Please check with your local fire warden for more information.

Rain will arrive tonight, and then much cooler air will arrive on Wednesday. For most this will involve rain showers mixing with or changing to snow showers, but valley areas should see precipitation tapering off pretty quickly once the changeover to snow occurs. Little to no snow accumulation expected, apart from an inch or two at summit level, in the mountains.

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Recreational Forecast

Mountain Forecast:
Today starts with some sunshine for the summits, before clouds arrive west to east, lowering toward the peaks of the Adirondacks late. Winds become moderate from the south and southwest, bringing a pronounced warming trend. Wednesday will be a changeable day, with summits obscured in clouds and rain, but a strong windshift to the northwest changes the rain to snow, accumulating 1 to 3 inches, together with blowing snow, and temperatures tumbling through the 20s. Thursday’s outlook features sun, mixed with clouds. Moderate northwest winds will decrease, and remaining cold.

Wind At Lower Elevations:
Winds today from the south 10 to 15 mph, gusting 20 to 30 mph. For Tuesday night, winds south 10 to 15 mph, gusting 20 to 30 mph. On Wednesday, southwest winds shifting to the northwest 10 to 20 mph, gusting 25 to 35 mph. The outlook for Thursday calls for northwest winds near 10 mph from the Green Mountains east, and light to the west.

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

A nearly Full Moon brightened the nocturnal landscape, presiding over a frosty night, except through the Champlain and St. Lawrence Valleys, and over the higher terrain, where a south to southwesterly wind kept readings on the 30s to low 40s. Not that the Moon had anything to do with it directly. Instead, it was the clear skies and light winds which allowed the daytime warmth to escape through the atmosphere. Those clear skies and light winds belong to a now-departing high pressure system, east of New England and extending southwest to Georgia. It is working in tandem with an approaching storm system, strengthening over the Great Lakes early this morning, to increase the south winds, expected to lift thermometers into the low and mid 60s this afternoon, a good 15 to 25 degrees warmer than yesterday. Meanwhile, the developing storm over the Great Lakes will spread increasing clouds in from the west this afternoon, lowering in the St. Lawrence Valley late as showers approach. As the storm tracks east later tonight into Wednesday, periods of showers expand east over the region, however, with the storm strengthening, colder air will be quick to wrap in behind the storm. It appears the mountains will see rain change to snow Wednesday, settling lower into the valleys late morning and afternoon, while at the same time tapering off. While the higher elevations see and inch or two of snow, the narrow window for snow at lower elevations will limit amounts to an inch or less north, and none expected south. The storm’s quick exit means any snow showers or flurries late Wednesday afternoon into the early evening should dry up, as the skies clear, while the late-season push of cold air follows from Wednesday night through Thursday night, feeling more like March than late April. That isn’t the end of the temperature roller coaster, as it warms back to the 50s Friday, and perhaps 60s on Saturday.

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Farm & Garden

Rainfall Forecast:
No rain forecast through this afternoon. Periods of showers spread east tonight, with rain likely Wednesday morning, changing to snow over the higher terrain, possibly edging lower before tapering off west to east Wednesday afternoon in NY, and Wednesday evening from the Green Mountains east. Rain and melted snow amounts near 0.10 inches south, increasing to 0.25 to 0.50 inches north. No precipitation expected Thursday through Friday, and through Saturday from VT east. Some showers, with light amounts in NY and the St. Lawrence Valley Saturday afternoon.

Drying Conditions:
Good to excellent drying conditions today from the Green Mountains east, with minimum relative humidities near 25 percent, and good west, with minimum relative humidities near 40 percent. Poor drying conditions Wednesday, with morning rain and showers, changing to snow showers and tapering off west to east, and minimum relative humidities near 70 percent. Good drying conditions return Thursday, with minimum relative humidities from 30 to 40 percent. Drying conditions good to excellent Friday, and good Saturday, becoming fair in NY with showers developing.

Frost:
Milder temperatures tonight. Frost or below freezing temperatures Wednesday night and Thursday night. Milder again Friday night, with a few cold spots east near 32.

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Wind by Elevation

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Temperature by Elevation

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