YELLOWSTONE NATIONAL PARK
MORNING BRIEFING
SATURDAY, AUGUST 1, 2026
Sunrise: 6:16 AM | Sunset: 8:24 PM
ParkData
Generated 1:31 PM
Weather Forecast
Mammoth Hot Springs ~6,200 ft
🌫️
Today
85°F
Patchy Smoke
Precip: 0%
🌫️
Tonight
48°F
Areas Of Smoke
Precip: 0%
🌫️
Sunday
68°F
Patchy Smoke
Precip: 0%
🌤️
Sunday Night
39°F
Mostly Clear
Precip: 0%
Yellowstone Lake ~7,700 ft
🌫️
Today
72°F
Patchy Smoke
Precip: 0%
🌫️
Tonight
51°F
Patchy Smoke then Partly Cloudy
Precip: 0%
🌤️
Sunday
73°F
Mostly Sunny
Precip: 0%
🌤️
Sunday Night
48°F
Mostly Clear
Precip: 0%
Yesterday's Visitation
| Entrance | Yesterday (Fri, Jul 31) | Same Date (Thu, Jul 31, 2025) | Change | Same Day (Fri, Aug 1, 2025) | Change |
|---|---|---|---|---|---|
| North (Gardiner) | 3,021 | 2,880 | +5% | 2,920 | +3% |
| South (Grand Teton) | 1,936 | 2,075 | -7% | 1,945 | 0% |
| East (Cody) | 949 | 0 | -- | 1,100 | -14% |
| West (West Yellowstone) | 5,120 | 4,999 | +2% | 5,066 | +1% |
| Northeast (Cooke City) | 929 | 0 | -- | 839 | +11% |
| Total | 11,955 | 9,954 | +20% | 11,870 | +1% |
Yesterday (Fri, Jul 31): 11,955 visitors
| vs same date last year: 9,954 (+20%)
| vs same day last year: 11,870 (+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 | 2,960 CFS | Aug 1, 1:00 PM |
| Gauge Height | 2.61 ft | Aug 1, 1:00 PM |
| Water Temperature | 68 °F | Aug 1, 1:15 PM |
Active Alerts & Closures
Park Closure (1)
Biscuit Basin Closed Due to Hydrothermal Explosion
The parking lot, boardwalk, and Firehole River at Biscuit Basin, located north of Old Faithful, is closed to all travel until further notice due to the possibility of another event at the site of a hy…
Caution (1)
Their Space, Your Safety
Animals in Yellowstone are wild and dangerous. Stay at least 100 yards (91 m) from bears/wolves/cougars and 25 yards (23 m) from bison/elk/all other wildlife. Carry bear spray (even on short walks) an…
Information (6)
Park Rivers and Streams Closed to Fishing Daily from 2 p.m. to Sunrise
All park rivers and streams are closed to fishing daily from 2 p.m. to sunrise due to high water temperatures and low stream flows. Additionally, the Madison, Firehole, and Gibbon (downstream of Norri…
Osprey Falls Trail Temporary Closure
The Osprey Falls Trail, located south of Mammoth Hot Springs near Bunsen Peak, will be temporarily closed for critical trail repair work July 28–Aug. 4 from 8 a.m.–4 p.m. On July 30–31, the trail will…
Traffic Delays - Yellowstone River Bridge
Expect up to 30-minute delays on the Yellowstone River Bridge, near Tower Junction, while crews perform paving operations. Crews will work during the day until Aug. 7, and at night Aug. 9-15. Dates an…
Traffic Delays - Gibbon River Bridge
Expect up to 15-minute delays on Gibbon River Bridge from July 9 through late-July while crews repair the railing.
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 | Open | 80 | 1 | 0 | 99% |
| Indian Creek | North | Full | 63 | 0 | 5 | Full |
| Pebble Creek | Northeast | Closed | 0 | 0 | 27 | -- |
| Tower Fall | Northeast | Full | 29 | 0 | 2 | Full |
| Lewis Lake | South | Full | 77 | 0 | 4 | Full |
| Slough Creek | Northeast | Full | 15 | 0 | 1 | Full |
|
Norris
Closed since 2024. Check NPS for reopening date.
|
Central | Seasonal Closed | -- | -- | -- | -- |
7-Day Occupancy Trend
Mammoth:
Today 99%
| Sun 100%
| Mon 100%
| Tue 100%
| Wed 100%
| Thu 100%
| Fri 100%
| Sat 99%
Indian Creek:
Today 100%
| Sun 100%
| Mon 99%
| Tue 99%
| Wed 100%
| Thu 100%
| Fri 100%
| Sat 100%
Tower Fall:
Today 100%
| Sun 100%
| Mon 100%
| Tue 100%
| Wed 100%
| Thu 100%
| Fri 100%
| Sat 100%
Lewis Lake:
Today 100%
| Sun 100%
| Mon 100%
| Tue 100%
| Wed 100%
| Thu 99%
| Fri 100%
| Sat 100%
Slough Creek:
Today 100%
| Sun 100%
| Mon 100%
| Tue 100%
| Wed 100%
| Thu 100%
| Fri 100%
| Sat 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 8/1/2026, 1:31:52 PM (fetch: 6189ms)