YELLOWSTONE NATIONAL PARK
MORNING BRIEFING
WEDNESDAY, JUNE 17, 2026
Sunrise: 5:28 AM | Sunset: 9:08 PM
ParkData
Generated 9:38 AM
Weather Forecast
Mammoth Hot Springs ~6,200 ft
🌤️
Overnight
44°F
Mostly Clear
Precip: 0%
☀️
Wednesday
60°F
Sunny
Precip: 10%
🌧️
Wednesday Night
41°F
Slight Chance Rain Showers then Partly Cloudy
Precip: 17%
☀️
Thursday
65°F
Sunny
Precip: 0%
Yellowstone Lake ~7,700 ft
☀️
Overnight
40°F
Clear
Precip: 0%
☀️
Wednesday
59°F
Sunny
Precip: 0%
🌤️
Wednesday Night
33°F
Mostly Clear
Precip: 1%
☀️
Thursday
58°F
Sunny
Precip: 1%
Yesterday's Visitation
| Entrance | Yesterday (Tue, Jun 16) | Same Date (Mon, Jun 16, 2025) | Change | Same Day (Tue, Jun 17, 2025) | Change |
|---|---|---|---|---|---|
| North (Gardiner) | 3,272 | 3,168 | +3% | 3,246 | +1% |
| South (Grand Teton) | 2,125 | 2,157 | -1% | 2,214 | -4% |
| East (Cody) | 1,074 | 1,141 | -6% | 1,174 | -9% |
| West (West Yellowstone) | 5,617 | 5,324 | +6% | 5,623 | 0% |
| Northeast (Cooke City) | 945 | 871 | +8% | 880 | +7% |
| Total | 13,033 | 12,661 | +3% | 13,137 | -1% |
Yesterday (Tue, Jun 16): 13,033 visitors
| vs same date last year: 12,661 (+3%)
| vs same day last year: 13,137 (-1%)
Wildlife Activity (Last 24 Hours)
No wildlife sightings reported in the last 24 hours.
Community Sightings (via iNaturalist)
River Conditions
Yellowstone River at Corwin Springs
| Discharge | 6,880 CFS | Jun 17, 9:00 AM |
| Gauge Height | 4.58 ft | Jun 17, 9:00 AM |
| Water Temperature | 58 °F | Jun 17, 9:15 AM |
Active Alerts & Closures
Park Closure (1)
Temporary Closure of Some Trails, Backcountry Campsites, and Fishing Areas
Certain trails, backcountry campsites, and fishing areas in the western part of the park near Biscuit Basin are closed until further notice to allow for an investigation following a bear-caused human …
Caution (1)
Elk with Calves are Extremely Dangerous
Be alert, especially this time of year around Mammoth Hot Springs. Elk calves may be hidden close to buildings, under or next to vehicles, and around blind corners. You must remain at least 25 yards f…
Information (2)
Traffic Delays - Gardner River High Bridge
Expect a single lane of traffic with up to 15-minute delays, 24 hours a day, seven days a week, from April 1 through late October 2026. Oversized/overweight vehicles (8'6"+ wide, 75'+ long, 80,000 lbs…
Vehicle Entrance Reservation Not Needed
Although an entrance pass is required to enter Yellowstone National Park, vehicle reservations are not needed. You are encouraged to purchase an entrance pass before arriving, but you may also purchas…
Campground Status (Recreation.gov)
| Campground | Area | Status | Reserved | Available | Closed | Occupancy |
|---|---|---|---|---|---|---|
| Mammoth | North | Full | 81 | 0 | 0 | Full |
| Indian Creek | North | Full | 68 | 0 | 0 | Full |
| Pebble Creek | Northeast | Closed | 0 | 0 | 27 | -- |
| Tower Fall | Northeast | Full | 30 | 0 | 1 | Full |
| Lewis Lake | South | Full | 81 | 0 | 0 | Full |
| Slough Creek | Northeast | Full | 14 | 0 | 2 | Full |
|
Norris
Closed since 2024. Check NPS for reopening date.
|
Central | Seasonal Closed | -- | -- | -- | -- |
7-Day Occupancy Trend
Mammoth:
Today 100%
| Thu 100%
| Fri 100%
| Sat 100%
| Sun 100%
| Mon 100%
| Tue 100%
| Wed 100%
Indian Creek:
Today 100%
| Thu 100%
| Fri 100%
| Sat 100%
| Sun 100%
| Mon 100%
| Tue 100%
| Wed 100%
Tower Fall:
Today 100%
| Thu 100%
| Fri 100%
| Sat 100%
| Sun 100%
| Mon 100%
| Tue 100%
| Wed 100%
Lewis Lake:
Today 100%
| Thu 100%
| Fri 100%
| Sat 100%
| Sun 100%
| Mon 100%
| Tue 100%
| Wed 100%
Slough Creek:
Today 100%
| Thu 100%
| Fri 100%
| Sat 100%
| Sun 100%
| Mon 100%
| Tue 100%
| Wed 100%
Concessioner Campgrounds (Yellowstone National Park Lodges)
| Campground | Area | Sites | Status | Notes |
|---|---|---|---|---|
| Bridge Bay | Lake | 432 | Seasonal Closed | Opens late May |
| Canyon | Canyon | 273 | Seasonal Closed | Opens late May |
| Grant Village | South | 430 | Seasonal Closed | Opens late June |
| Madison | West | 278 | Seasonal Closed | Opens late April |
| Fishing Bridge RV | Lake | 346 | Seasonal Closed | Opens mid May, full hookups |
Park Information
No active park information notices.
Data Source Status
Weather (weather.gov)
NPS Alerts
NPS Campgrounds
ParkData Sensors
Historical Comparison
USGS Water
iNaturalist
Recreation.gov Availability
Briefing generated at 6/17/2026, 9:38:07 AM (fetch: 1598ms)