Thursday - January 21, 2010
| Station | Max Temp | Min Temp | Pres Temp | New Snow | Snow Depth | OC | BC | SC | Present Conditions |
| Canyon | 24 | -1 | 10 | Trace | 25 | X | Calm | ||
| East Entrance | 32 | 0 | 6 | 0 | 18 | X | Calm | ||
| Grant Village | 20 | -3 | 4 | Trace | 27 | X | Calm | ||
| Lake | 26 | 2 | 10 | .5 | 21 | X | Calm | ||
| 25 | 3 | 13 | 0 | 11 | X | Calm | |||
| Madison | 26 | 10 | 14 | Trace | 15 | X | Calm | ||
| Mammoth | 28 | 21 | 25 | 0 | SSE @ 3mph | ||||
| Old Faithful | 25 | 2 | 18 | 2 | 19 | Snowing | |||
| Snake River | 25 | 3 | 7 | Trace | 26 | X | Calm | ||
| Tower | 22 | 12 | 21 | 0 | NNE @ 1 mph | ||||
| West Entrance | 25 | 8 | 16 | 2 | 21 | X | Lt Snow / Calm |
| 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 The avalanche danger is rated CONSIDERABLE on all slopes steeper than 35 degrees. All other slopes have a MODERATE avalanche danger. |
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Yellowstone National Park Weather Forecast on 21 January 2010 by the NWS Riverton, WY Rest Of Today ... Chance of snow late in the morning...then snow likely in the afternoon. New snow accumulation of 1 to 2 inches. Total snow accumulation 1 to 3 inches. Highs 25°F to 31°F. South winds around 15 mph late in the morning becoming south around 15 mph late in the afternoon. Chance of snow 70 percent. Tonight ... Mostly cloudy with a 40 percent chance of snow. Lows 7°F to 13°F. Friday ... Snow in the morning...then snow likely in the afternoon. Snow accumulation of 2 to 4 inches. Highs 24°F to 30°F. East winds around 15 mph early in the morning. Chance of snow 90 percent. Friday Night ... Snow likely. Snow accumulation of 2 to 4 inches. Total snow accumulation 4 to 8 inches. Lows 11°F to 17°F. Chance of snow 70 percent. Saturday ... Cloudy with a 50 percent chance of snow. Highs 20°F to 26°F. Northwest winds around 15 mph in the afternoon. Saturday Night ... Cloudy with a 50 percent chance of snow. Lows 7°F to 13°F. Sunday ... Cloudy with a 20 percent chance of snow. Highs 18°F to 24°F. Sunday Night ... Mostly cloudy with a 20 percent chance of snow. Lows 3°F to 9°F. Monday ... Mostly cloudy with a 20 percent chance of snow. Highs 20°F to 26°F. Monday Night ... Mostly cloudy with a 20 percent chance of snow. Lows 3°F to 11°F. Tuesday ... Mostly cloudy with a 20 percent chance of snow. Highs 23°F to 29°F. Tuesday Night ... Mostly cloudy with a 30 percent chance of snow. Lows 5°F to 11°F. Wednesday ... Mostly cloudy with a 20 percent chance of snow. Highs 21°F to 27°F.
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Thursday - January 21, 2010
| 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 |
| 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 * | FAIR * |
| Lake to West Thumb | OPEN | YES | GOOD |
| Madison to Old Faithful | OPEN | YES | FAIR |
| Madison to West Yellowstone | OPEN | YES | GOOD |
| Mammoth to Norris # | Rubber Tracked Only # | YES # | Rubber Tracked Only # |
| 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.
# Rubber Tracked Only to Indian Creek.
******** 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
