Thursday - 11 February 2010
| Station | Max Temp | Min Temp | Pres Temp | New Snow | Snow Depth | OC | BC | SC | Present Conditions |
| Canyon | 20 | 4 | 9 | 2 | 31 | X | Lt Snow / Calm | ||
| East Entrance | 24 | 1 | 16 | Trace | 22 | Calm | |||
| Grant Village | 20 | -9 | 3 | Trace | 30 | X | Lt Snow | ||
| Lake | 21 | -2 | 10 | 1.5 | 28 | X | Lt Snow | ||
| 29 | -3 | 5 | 0 | 14 | X | Calm | |||
| Madison | 27 | -1 | 4 | Trace | 18 | Clear / Calm | |||
| Mammoth | 22 | 15 | 22 | Trace | 4 | WSW @ 1mph | |||
| Old Faithful | 23 | -4 | 7 | Trace | 16 | X | Snowing / Calm | ||
| Snake River | 22 | -1 | 6 | 2 | 36 | X | Calm | ||
| Tower | 30 | 1 | 9 | 0 | 14 | X | Calm | ||
| West Entrance | 26 | -5 | -1 | .5 | 26 | X | Lt Snow |
| Yellowstone National Park WebCams | |||||||
|---|---|---|---|---|---|---|---|
| Old Faithful Live | All Old Faithful | Old Faithful Static | Old Faithful VC | North Entrance | Mt Washburn | Mammoth | YVO WebCam |
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AVALANCHE DANGER For the Southern Madisons, Southern Gallatins, and the Lionhead area any steep slope over 35 degrees and any slope with wind drifted snow has a CONSIDERABLE avalanche danger. Less steep slopes without wind drifted snow have a MODERATE danger. For the Northern Madisons, Northern Gallatins, Washburn Range, and Cooke City area all slopes with wind drifted snow have a CONSIDERABLE avalanche danger. All other slopes have a MODERATE avalanche danger. |
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Yellowstone National Park Weather Forecast on Thursday - 11 February 2010 by the National Weather Service Riverton, WY Today ... Breezy. Cloudy with a 50 percent chance of snow. Highs 23°F to 29°F. Southwest winds 15 to 20 mph. Tonight ... Breezy. Snow likely. Snow accumulation of 1 to 2 inches. Lows 15°F to 21°F. Southwest winds 15 to 20 mph. Chance of snow 70 percent. Friday ... Breezy...snow. Snow accumulation of 1 to 2 inches. Highs 26°F to 32°F. Southwest winds 15 to 20 mph. Chance of snow 80 percent. Friday Night ... Breezy...snow. Snow accumulation of 1 to 3 inches. Lows 14°F to 20°F. Southwest winds 15 to 20 mph. Chance of snow 90 percent. Saturday ... Mostly cloudy. Snow likely in the morning...then chance of snow in the afternoon. Snow accumulation of 2 to 4 inches. Total snow accumulation 5 to 11 inches. Highs 26°F to 32°F. West winds around 15 mph. Chance of snow 60 percent. Saturday Night ... Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of snow. Lows 8°F to 14°F. Sunday ... Mostly cloudy with a 20 percent chance of snow. Highs 23°F to 29°F. Sunday Night ... Mostly cloudy with a 20 percent chance of snow. Lows 7°F to 13°F. Presidents Day ... Mostly cloudy with a 20 percent chance of snow. Highs 28°F to 34°F. Monday Night ... Partly cloudy with a 20 percent chance of snow. Lows 7°F to 13°F. Tuesday ... Partly cloudy with a 20 percent chance of snow. Highs 29°F to 35°F. Tuesday Night ... Partly cloudy with a 20 percent chance of snow. Lows 7°F to 13°F. Wednesday ... Mostly cloudy with a 20 percent chance of snow. Highs 27°F to 33°F.
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Thursday - 11 February 2010
| Road | Date Open | Admin Travel | Public Access |
| Gardiner to Mammoth | YEAR ROUND | - | STR |
| Mammoth to Tower | YEAR ROUND | - | STR |
| Tower to NE Entrance | YEAR ROUND | - | STR |
| Beartooth Highway | CLOSED | NO | CLOSED |
| Canyon to Lake | OPEN | YES | GOOD |
| Grant to South Entrance | OPEN | YES | GOOD |
| Junction to Chief Joseph Hwy | CLOSED | NO | CLOSED |
| Lake to East Entrance * | OPEN* | YES * | OPEN * |
| Lake to West Thumb | OPEN | YES | GOOD |
| Madison to Old Faithful | OPEN | YES | GOOD |
| Madison to West Yellowstone | OPEN | YES | GOOD |
| Mammoth to Norris | OPEN | YES | FAIR |
| Norris to Canyon | OPEN | YES | GOOD |
| Norris to Madison | OPEN | YES | FAIR |
| Old Faithful to Grant | OPEN | YES | GOOD |
| Tower to Canyon | CLOSED | CLOSED | CLOSED |
NR = No Restrictions ⁄ STA = Snow Tires Advised ⁄ STR = Snow Tires Required
* NOTE: "ALL" Sylvan Pass Travel (Lake to East Entrance) closes at 9:00 PM (2100 hours) nightly.
******** FOR CURRENT ROAD INFORMATION PLEASE CALL: 307-344-2117 ********
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Information provided by the National Weather Service and Yellowstone National Park Service
