Active National Weather Service alert for Grand Isle, Vermont 05458: Special Weather Statement. Special Weather Statement issued August 23 at 6:45PM EDT by NWS Burlington VT Until Sun, 7:15 PM EDT.
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Grand Isle, Vermont 05458 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Grand Isle, Vermont 05458. Always follow local warnings and emergency instructions.

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Use current official weather information for Grand Isle, Vermont 05458 before making weather-sensitive plans.

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Weather status

Special Weather Statement

Special Weather Statement issued August 23 at 6:45PM EDT by NWS Burlington VT Expires Sun, 7:15 PM EDT.

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Hourly forecast

Grand Isle, Vermont 05458

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Grand Isle, Vermont 05458. Forecasts and alerts update from NOAA and the National Weather Service.

73°Showers And Thunderstorms Likely65% rain
70°Chance Showers And Thunderstorms40% rain
67°Slight Chance Showers And Thunderstorms24% rain
66°Slight Chance T-storms12% rain
66°Slight Chance T-storms7% rain
65°Partly Cloudy8% rain
63°Partly Cloudy9% rain
63°Mostly Clear6% rain

Next 24 hours

Rain Timeline

Highest chance 65%

Most likely around 6 PM, 7 PM, 12 PM, 1 PM. Expected type: Thunderstorms / Rain.

65%Thunderstorms
40%Thunderstorms
24%Thunderstorms
12%None
7%None
8%None
9%None
6%None
3%None
3%None
3%None
3%None
5%None
6%None
8%None
15%Rain
23%Rain
30%Rain
40%Rain
51%Rain
61%Thunderstorms
62%Thunderstorms
62%Thunderstorms
62%Thunderstorms

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
73°58°

Showers And Thunderstorms Likely then Partly Cloudy

Precipitation
65%
Wind
S 7 mph
Sunrise
6:06 AM
Sunset
7:48 PM

Mon

74°57°

Showers And Thunderstorms Likely

Precipitation
62%
Wind
S 6 to 9 mph
Sunrise
6:07 AM
Sunset
7:46 PM

Tue

74°59°

Rain Showers Likely

Precipitation
61%
Wind
W 6 mph
Sunrise
6:08 AM
Sunset
7:45 PM

Wed

79°61°

Mostly Sunny

Precipitation
1%
Wind
SW 3 mph
Sunrise
6:09 AM
Sunset
7:43 PM

Thu

82°65°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
48%
Wind
S 8 to 14 mph
Sunrise
6:11 AM
Sunset
7:41 PM

Fri

80°58°

Showers And Thunderstorms Likely

Precipitation
63%
Wind
SW 6 to 10 mph
Sunrise
6:12 AM
Sunset
7:39 PM

Sat

75°56°

Mostly Sunny

Precipitation
3%
Wind
NW 7 mph
Sunrise
6:13 AM
Sunset
7:38 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel72°F
Use caution walking outside

Special Weather Statement is active. Review the official alert before going outside.

WindS6 mph
Best walk timeBetter weather window: 2 AM–4 AM

Walking: 3% average rain chance, near 62°F, with winds near 6 mph. Review the active Special Weather Statement.

Official EPA AirNowLocal air qualityGrand Isle, Vermont 05458
View AQI +
More weather details
Wind gustsNot reported
Rain now65%next hour
Humidity78%current
UV indexCheckingEPA forecast

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.71 in
Visibility10.0 mi
Peak rain chance65%
Dew point64°F
Active alerts1

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Weather safety ↗

Moderate · Expected

Special Weather Statement

Applies to: Eastern Clinton; Western Clinton; Eastern Essex; Grand Isle; Western ChittendenIssued by: NWS Burlington VTSpecial Weather Statement issued August 23 at 6:45PM EDT by NWS Burlington VT
Alert detailsAt 645 PM EDT, Doppler radar was tracking a strong thunderstorm over AuSable, or near Keeseville, moving northeast at 35 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Plattsburgh International Airport, Keeseville, Burlington, South Burlington, South Hero, Plattsburgh, Chesterfield, AuSable, Peru, Grand Isle, Colchester, Willsboro, Schuyler Falls, Beekmantown, Milton and Ausable Point.
Safety instructionsMonitor the weather situation closely and be alert for threatening weather conditions. Persons in campgrounds should consider seeking sturdy shelter until this storm passes. Boaters on Lake Champlain should seek safe harbor now! Strong winds will cause higher waves and sudden wind shifts may overturn boats.
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