Daily Winter Weather Report
Date: Tuesday - December 28, 2010
|Station||Max Temp||Min Temp||Pres Temp||New Snow||Snow Depth||BC||OC||SC||Present Conditions|
|East Entrance||25||17||18||1||33||X||Light snowfall|
|Mammoth||32||22||24||2.5||18||X||Light snow / SW@10mph|
|Snake River||23||14||15||1||39||X||Light snowfall|
|West Entrance||23||17||19||2||30||X||Light snowfall|
The northern Madison Range: Today buried surface hoar and recently formed wind slabs make human triggered avalanches likely and the Avalanche Danger is rated CONSIDERABLE.
The southern Madison and southern Gallatin Ranges, Washburn Range, the mountains around Cooke City, the Lionhead area near West Yellowstone: the Avalanche Danger is rated CONSIDERABLE on all wind loaded slopes. Slopes that have not received wind loading have a MODERATE Avalanche Danger.
The Bridger Range and the northern Gallatin Range: Human triggered avalanches are possible on slopes steeper than 35 degrees and the Avalanche Danger is rated MODERATE. Less steep slopes have a LOW Avalanche Danger.
Yellowstone National Park Seven Day Weather Forecast on 28 December 2010 by the National Weather Service Riverton, WY
Today: Breezy. Cloudy. Chance of snow in the morning...then snow likely in the afternoon. Snow accumulation of 1 to 2 inches. Highs 21°F to 27°F. Southwest winds 15 to 25 mph. Gusts up to 40 mph in the afternoon. Chance of snow 70 percent.
Tonight: Breezy. Snow likely in the evening...then snow after midnight. Snow accumulation of 2 to 4 inches. Lows 15°F to 21°F. Southwest winds 15 to 25 mph. Chance of snow 90 percent.
Wednesday: Breezy...snow. Areas of blowing snow. Snow accumulation of 3 to 5 inches. Highs 22°F to 28°F. Southwest winds 15 to 20 mph. Chance of snow near 100 percent
Wednesday Night: Much colder. Snow. Snow accumulation of 3 to 5 inches. Lows -4°F to 2°F. Chance of snow near 100 percent.
Thursday: Colder. Snow in the morning...then chance of snow in the afternoon. Snow accumulation of 1 to 3 inches. Total snow accumulation 10 to 19 inches. Highs 3°F to 9°F. North winds around 15 mph. Chance of snow 90 percent. Wind chill readings -13°F to -23°F.
Thursday Night: Colder. Cloudy with a 40 percent chance of snow. Lows -9°F to -17°F. Wind chill readings -27°F to -37°F.
Friday: Mostly cloudy in the morning then becoming partly cloudy. A 20 percent chance of snow. Highs -4°F to 2°F. Lowest wind chill readings -29°F to -39°F in the morning.
New Years Eve: Colder. Mostly cloudy in the evening then becoming partly cloudy. Lows -13°F to -23°F. Wind chill readings -32°F to -42°F.
New Years Day: Not as cold. Mostly cloudy in the morning then becoming partly cloudy. Highs 4°F to 10°F.
Saturday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows -7°F to -15°F.
Sunday: Not as cold. Partly cloudy in the morning then becoming mostly cloudy. A 20 percent chance of snow. Highs 12°F to 18°F
Sunday Night: Partly cloudy with a 20 percent chance of snow. Lows -6°F to 2°F
Monday: Mostly cloudy with a 20 percent chance of snow. Highs 16°F to 22°F.
******** FOR CURRENT ROAD INFORMATION PLEASE CALL 307-344-2117********
Date: Tuesday, December 28, 2010
|Road Section||Status||Conditions||Public Access / Info|
|Gardiner to Mammoth||YR||STR||STR|
|Mammoth to Tower||YR||STR||STR - Blowing / Drifting|
|Tower to NE Entrance||YR||STR||STR - Blowing / Drifting|
|Canyon to Lake||Open||Poor||Oversnow|
|Firehole Canyon Drive||CLOSED||-||CLOSED|
|Grant to South Entrance||Open||Fair||Oversnow - 4" new snow mod drifting at Lewis Lake|
|Junction to Chief Joseph Hwy||CLOSED||CLOSED||CLOSED|
|Lake to East Entrance||Open||Poor||Oversnow - Drifting near Lakeshore|
|Lake to West Thumb||Open||Good||Oversnow|
|Madison to Old Faithful||Open||Good||Oversnow|
|Madison to West Yellowstone||Open||Fair||Oversnow|
|Mammoth to Norris||Open||Poor||Oversnow|
|Norris to Canyon||Open||Fair||Oversnow|
|Norris to Madison||Open||Fair||Oversnow|
|Old Faithful to Grant||Open||Good||Oversnow|
YR=Year Round / NR=No Restrictions / STA=Snow Tires Advised / STR=Snow Tires Required
* NOTE: CLOSED FOR THE SEASON.
# Poor road conditions - bare spots and melting snow - Restricted to Snowcoaches Only.
The park service plowing schedule for roads for the spring season.
Information provided by the National Weather Service and Yellowstone National Park Service
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|Yellowstone Area Highway WebCams|
|Alpine Junction Hwy 89 (South)||Monida Pass I-15 (North)|
|Bozeman Pass I-90 (North)||Osborne Bridge Hwy 20 (West)|
|Henry's Lake North Hwy 20 (West)||Raynolds Pass MT 87 (North or West)|
|Henry's Lake South Hwy 20 (West)||Teton Pass WY 22 (South)|
|State Road Reports|
|Gardiner, Montana||Silver Gate, Montana||West Yellowstone, Montana||Cooke City, Montana|
|Livingston, Montana||Cody, Wyoming||Jackson Hole, Wyoming||Yellowstone National Park|
|The Great Outdoors Net||Great Outdoor Recreational Places|
|Gardiner, Montana||World Humanity|
by John William Uhler
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