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Temperature:  36.7°F |
Wind: 
WNW1 Bft Light air 3.0 mph |
Rain: today 0.00 in |
Humidity: 68% |
Pressure:  Steady 29.75 inHg |
Active alerts
Hours of Daylight
9 hrs 49 min 38 sec
of Daylight Today 40.9% Day 59.1% Night Which is
1 min 57 sec Shorter
Than Yesterday
of Daylight Today 40.9% Day 59.1% Night Which is
1 min 57 sec Shorter
Than Yesterday
South Webcam
NorthWest Webcam
You find our weather info also at:
Yellowstone Volcano Observatory Current Update
Yellowstone Webcam
Good night! This is a view of Old Faithful from a September 1989 photo taken by Jim Peaco.
The webcam image will be viewable again at Sunrise: 07:20 AM MST
Information courtesy of ...
U.S. Geological Survey, the University of Utah, and the Yellowstone National Park.
USGS Cascades Volcano Observatory
Cascade Range Current Update
USGS Alert-Notification System for Volcanic Activity
Volcano Observatories: Alaska
Volcano Observatories: Cascades
Volcano Observatories: Hawaii
Volcano Observatories: Long Valley
Volcano Observatories: Mariana Islands
Volcano Observatories: Yellowstone
Current Activity Update
Click this link for detailed:Volcano Updates
Aviation Color Codes
| GREEN: | Volcano is in typical background, noneruptive state or, after a change from a higher level, volcanic activity has ceased and volcano has returned to noneruptive background state. |
| YELLOW: | Volcano is exhibiting signs of elevated unrest above known background level or, after a change from a higher level, volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase. |
| ORANGE: | Volcano is exhibiting heightened or escalating unrest with increased potential of eruption, timeframe uncertain, OR eruption is underway with no or minor volcanic-ash emissions [ash-plume height specified, if possible]. |
| RED: | Eruption is imminent with significant emission of volcanic ash into the atmosphere likely OR eruption is underway or suspected with significant emission of volcanic ash into the atmosphere [ash-plume height specified, if possible]. |
Volcanic Activity Alert Levels
| NORMAL: | Volcano is in typical background, noneruptive state or, after a change from a higher level, volcanic activity has ceased and volcano has returned to noneruptive background state. |
| ADVISORY: | Volcano is exhibiting signs of elevated unrest above known background level or, after a change from a higher level, volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase. |
| WATCH: | Volcano is exhibiting heightened or escalating unrest with increased potential of eruption, timeframe uncertain, OR eruption is underway but poses limited hazards. |
| WARNING: | Hazardous eruption is imminent, underway, or suspected. |
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