Grand Isle State Park campground
Grand Isle State Park
What's on-site at Grand Isle State Park
Key facilities Snoflo tracks for this campground. Confirm with the operator before booking -- amenities can change seasonally.
Plan your trip down to the hour
Same weather feed Snoflo's iOS app uses -- updated continuously from NOAA / yr.no.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max so trends jump out at a glance.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks. Hover any point for the full breakdown.
Other campgrounds in the area
Snoflo-tracked campsites within driving distance of Grand Isle State Park, with reservations status.
| Campground | Reservations | Toilets | View |
|---|---|---|---|
| Appletree Bay Campground | ✗ | ✗ | → |
| Primitive Campsite 14 | ✗ | ✗ | → |
| Cumberland Bay State Park | ✓ | ✗ | → |
| Primitive Campsite 13 | ✗ | ✗ | → |
| Primitive Campsite 19 | ✗ | ✗ | → |
Nearby streamflow
USGS streamgauges within reach of Grand Isle State Park -- pulled live from the National Water Information System.
| Streamgauge | Discharge | View |
|---|---|---|
| Saranac River At Plattsburgh Ny | 1,500 cfs | → |
| Salmon River At South Plattsburgh Ny | 75 cfs | → |
| Lamoille River At East Georgia | 1,390 cfs | → |
| Little Ausable River Near Valcour Ny | 76 cfs | → |
| Little Chazy River Near Chazy Ny | 124 cfs | → |
| Winooski River Near Essex Junction | 2,480 cfs | → |
Nearby snow depths
NRCS SNOTEL stations within reach of Grand Isle State Park -- relevant when planning a shoulder-season or alpine trip.
| SNOTEL station | Snowpack | 24h Snowfall | View |
|---|---|---|---|
| Underhill 5.1 Nne | 0.0 in | 0.0 in | → |
| Underhill 4.4 Nne | 0.0 in | 0.0 in | → |
| Nohrsc Saranac 0.8 Sse | 0.0 in | 0.0 in | → |
| Jeffersonville 1.3 Ssw | 0.0 in | 0.0 in | → |
| Nashville | 0.0 in | 0.0 in | → |
| Mount Mansfield | 37.0 in | -9.0 in | → |
Plan a longer trip
The closest parks, lakes, boat launches, and paddle runs so a camping night can grow into a full weekend.
Parks
- Sand Bar State Park
- Valcour Island State Park
- Cumberland Bay State Park
- Champlain Park
- Us Oval Park
- Burton Island State Park
Camping essentials & Leave No Trace
- Pack it in, pack it out
- Take all trash, food scraps, and gear back with you to keep campsites clean and protect wildlife.
- Respect wildlife
- Observe animals from a distance, store food securely, and never feed wildlife to maintain natural behavior and safety.
- Know before you go
- Check weather, fire restrictions, trail conditions, and permit requirements to ensure a safe and well-planned trip.
- Minimize campfire impact
- Use established fire rings, keep fires small, fully extinguish them, or opt for a camp stove when fires are restricted.
- Leave what you find
- Preserve natural and cultural features by avoiding removal of plants, rocks, artifacts, or other elements of the environment.
Set push alerts in the Snoflo app
Save Grand Isle State Park as a favorite, set a custom threshold (precipitation, snowpack, freezing temperatures), and the iOS app will push the moment conditions cross.
About Grand Isle State Park
Can I make reservations at Grand Isle State Park?
Yes -- this campground accepts reservations. Snoflo recommends booking early for peak season; check the operator (Recreation.gov / state park system / private operator) for the booking window and cancellation policy.
How fresh is the weather data on this page?
The hourly forecast updates throughout the day from the NOAA / yr.no public feeds. Streamflow data is pulled live from USGS streamgauges and snowpack from the NRCS SNOTEL network.
What's the best time of year to visit?
Use the 15-day temperature & precipitation outlook on this page to plan -- pick a window with comfortable temperatures and low precipitation. For longer trips, the 5-day hourly meteogram shows snow + rain accumulation hour-by-hour.
How do I get to Grand Isle State Park?
Tap Directions in the hero above to open driving directions in Google Maps, or Open in map to center the Snoflo interactive map on the campground.
Can I get alerts when conditions change?
Yes -- alerts are managed through the Snoflo iOS app. Favorite this campground, set a threshold (temperature, snowpack, precipitation), and you'll get a push the moment it crosses.
Other campgrounds near here
Snoflo-tracked campgrounds within driving distance of Grand Isle State Park.