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Shaded-relief atlas plate of Grand Isle, Vermont: rivers, roads, the city limits and where the water drains.
VERMONT · GRAND ISLE COUNTY

Grand Isle

2,162 people, 170 ft above sea level in Grand Isle County.

170 ftElevation, city center
2,162People, 2024 estimate
16 sq miLand area
Sunny 59°
Sunny now Dew point 53° · NNE 10 mph · high 62°
City of Grand Isle River Interstate 2 miles
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The Grand Isle plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Grand Isle

NWS forecast and National Blend of Models · updated 4:00 PM EDT
RIGHT NOW Plattsburgh International Airport (KPBG) · 3:53 PM
Sunny
59° Sunny Feels like 59° · high of 62° near 4 PM
WindNNE 10 mphno gusts
Humidity81%rising to 100% by morning
Pressure30.03 in →steady
Visibility10 mihaze-free
CloudsClear
UV index1 by 12 PMlow
Dew point 53° · Dryabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Mostly cloudy
Friday, about 9 AMin about 64 hours · 77% chance · rain
LIKELY AMOUNT0.04–0.6 inmost likely 0.4; 1 in 10 over 1.1
LAST RAINSept. 270.1 in · 2 dry days
ALERTS & OUTLOOKS
No watches or warnings for Grand Isle County
NWS Burlington and the Storm Prediction Center · checked 4:57 PM
SUN & MOON
↑ 6:48 AM6:38 PM ↓
11 h 50 m of daylight, 3 minutes less than yesterday
Waning gibbous, 88% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
53
MODERATEAir quality index · fine particles
Tomorrow: 45, good. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
TUESDAY, SEPT. 29
WEDNESDAY, SEPT. 30
THURSDAY, OCT. 1
FRIDAY, OCT. 2
4p
7p
10p
1a
4a
7a
10a
1p
4p
7p
10p
1a
4a
7a
10a
1p
4p
7p
10p
1a
4a
7a
10a
1p
mostly cloudy day
partly cloudy night
partly cloudy night
mostly clear night
partly cloudy night
partly cloudy day
mostly cloudy day
mostly cloudy day
partly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
partly cloudy night
partly cloudy day
mostly sunny
mostly cloudy day
mostly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
rain
rain
TEMPERATURE °F
62°
47°
70°
57°
73°
63°
CHANCE OF RAIN
77% · 0.27 in Friday afternoon 50%
WIND, MPH
7
0
0
0
0
0
6
8
7
3
3
3
5
7
10
10
8
6
5
3
0
0
5
6
HOW IT FEELS · DEW POINT
Dry: dew points 48 to 52° ↑ Humid air returns More humid: 59° by Friday

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 65° / 44°
TUE Sept. 29 Mostly cloudy Mostly cloudy
62° 43°
0% rain — N 7 A
WED Sept. 30 Mostly cloudy; warmer Mostly cloudy; warmer
71° 53°
0% rain — SSE 5 B
THU Oct. 1 Partly cloudy Partly cloudy
75° 59°
0% rain — S 9 B
FRI Oct. 2 Showers likely Showers likely
71° 45°
80% rain 0.04–0.6″ WNW 6 C
SAT Oct. 3 Mostly sunny Mostly sunny
64° 36°
0% rain — NNW 1 B
SUN Oct. 4 Chance of showers Chance of showers
65° 40°
40% rain up to 0.1″ S 7 B
MON Oct. 5 Partly cloudy Partly cloudy
60° 34°
30% rain — WNW 10 C
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over Grand Isle about 5,000 feet above the ground was over the Atlantic off the Carolinas three days ago, and over New England a day ago, about 1,270 miles back along its path. Near the ground the air came from Canada; at 10,000 feet, from the Atlantic off the Carolinas. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

MILE7
ON THE NETWORK

Around Grand Isle on the Forecast Network

Neighboring plates

Burlington VT · 16 MI 16 miles south South Burlington VT · 20 MI 20 miles south Lowell MA · 174 MI 174 miles southeast Springfield MA · 184 MI 184 miles south Worcester MA · 185 MI 185 miles southeast Cambridge MA · 195 MI 195 miles southeast
FORECASTCITY
Atlas plate of Grand Isle, Vermont. Explore the plate
VERMONT · GRAND ISLE

Grand Isle

2,162 people, 170 ft above sea level in Grand Isle County.

170 ftElevation
2,162People
16 sq miLand
Sunny 59°
SunnyDew point 53°
1

Today in Grand Isle

NEXT 15 HOURS
Now mostly cloudy day 62° 0%
7p partly cloudy night 58° 0%
10p partly cloudy night 53° 0%
1a mostly clear night 50° 0%
4a partly cloudy night 48° 0%
7a mostly cloudy day 47° 0%
Mostly cloudy
NEXT RAINFriday about 9 AM · 77%
→
Tue0%
Mostly cloudy Mostly cloudy
43
62
A
Wed0%
Mostly cloudy; warmer Mostly cloudy; warmer
53
71
B
Thu0%
Partly cloudy Partly cloudy
59
75
B
Fri80%
Showers likely Showers likely
45
71
C
Sat0%
Mostly sunny Mostly sunny
36
64
B
Sun40%
Chance of showers Chance of showers
40
65
B
Mon30%
Partly cloudy Partly cloudy
34
60
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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