Daily Winter Weather Report
Saturday - December 19, 2009
| Station | Max Temp | Min Temp | Pres Temp | New Snow | Snow Depth | OC | BC | SC | Present Conditions |
| Canyon | 16 | 11 | 19 | Trace | 23 | X | Calm | ||
| East Entrance | 26 | -2 | 14 | Trace | 16 | X | |||
| Grant Village | |||||||||
| Lake | 26 | 12 | 19 | 0 | 15 | X | Misting | ||
| Madison | 34 | 19 | 19 | Trace | 10 | X | |||
| Mammoth | |||||||||
| Old Faithful | 32 | -3 | 22 | 0 | 16 | X | |||
| Snake River | 24 | 7 | 13 | 0 | 22 | X | |||
| Tower | 30 | 5 | 18 | 0 | 6 | X | |||
| West Entrance |
| Yellowstone National Park WebCams | |||||||
|---|---|---|---|---|---|---|---|
| Old Faithful Live | All Old Faithful | Old Faithful Static | Old Faithful VC | North Entrance | Mt Washburn | Mammoth | YVO WebCam |
AVALANCHE DANGER
The avalanche danger is rated HIGH on any slope with wind deposited snow or any slope steeper than 35 degrees. All other slopes have a CONSIDERABLE avalanche danger.
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Yellowstone National Park Weather Forecast for 19 December 2009 by the NWS Riverton, WY Today ... Breezy. Mostly cloudy. Slight chance of snow in the morning...then chance of snow in the afternoon. Highs 22°F to 28°F. Southwest winds 15 to 20 mph. Chance of snow 30%. Tonight ... Breezy. Cloudy with a 50% chance of snow. Lows 13°F to 19°F. Southwest winds 15 to 20 mph. Sunday ... Snow likely. Snow accumulation of 3 to 4 inches. Highs 25°F to 31°F. Southwest winds around 15 mph. Chance of snow 70%. Sunday Night ... Breezy. Snow likely. Snow accumulation of 2 to 3 inches. Lows 17°F to 23°F. Southwest winds 15 to 20 mph. Chance of snow 70%. Monday ... Breezy. Snow likely. Snow accumulation of 3 to 4 inches. Highs 25°F to 31°F. Southwest winds 15 to 20 mph. Chance of snow 70%. Monday Night ... Breezy. Snow likely. Moderate snow accumulations. Lows 17°F to 23°F. Chance of snow 70%. Tuesday ... Cloudy with a 50% chance of snow. Highs 20°F to 26°F. Tuesday Night ... Colder. Mostly cloudy with a 20% chance of snow. Lows 2°F to 8°F. Wednesday ... Mostly cloudy with a 20% chance of snow. Highs 12°F to 18°F. Wednesday Night ... Partly cloudy with a 30% chance of snow. Lows -3°F to 3°F. Thursday ... Partly cloudy with a 20% chance of snow. Highs 14°F to 20°F. Thursday Night ... Partly cloudy with a 20% chance of snow. Lows 0°F to 6°F. Christmas Day ... Partly cloudy with a 20% chance of snow. Highs 16°F to 22°F.
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******** FOR CURRENT ROAD INFORMATION PLEASE CALL 307-344-2117********
Saturday - December 19, 2009
| Road | Date Open | Admin Travel | Public Access |
| Gardiner to Mammoth | YEAR ROUND | NR | |
| Mammoth to Tower | YEAR ROUND | STR | |
| Tower to NE Entrance | YEAR ROUND | STR | |
| Beartooth Highway | CLOSED | NO | CLOSED |
| Blacktail | CLOSED | NO | CLOSED |
| Canyon to Lake | OPEN | YES | Good |
| Firehole Lake Drive | CLOSED | NO | CLOSED |
| Grant to South Entrance | OPEN | YES | Good |
| Junction to Chief Joseph Hwy | CLOSED | NO | CLOSED |
| Lake to East Entrance | 12/22 | YES | CLOSED |
| Lake to West Thumb | OPEN | YES | Good |
| Madison to Old Faithful | OPEN | YES | Good |
| Madison to West Yellowstone | OPEN | YES | Good |
| Mammoth to Norris | 12/16 rubber tracked only | YES oversnow vehicles | Rubber Tracked Only |
| Norris to Canyon | OPEN | YES | Good |
| Norris to Madison | OPEN | YES | |
| Old Faithful to Grant | OPEN | YES | Good |
| Tower to Canyon | CLOSED | CLOSED | CLOSED |
| Virginia Cascades | CLOSED | NO | CLOSED |
NR = No Restrictions ⁄ STA = Snow Tires Advised ⁄ STR = Snow Tires Required
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Information provided by the National Weather Service and Yellowstone National Park Service
