Yamagata Aka...
Keystone Resort 
Southeast
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Lakeside Village
Snow Stake - 11,237 feet
SUNDAY
Dec 7
21° / 11°
10 - 18
mph
0
MONDAY
Dec 8
30° / 16°
11 - 20
mph
0
TUESDAY
Dec 9
30° / 22°
15 - 26
mph
1
WEDNESDAY
Dec 10
30° / 24°
18 - 29
mph
1
THURSDAY
Dec 11
31° / 24°
16 - 27
mph
0
FRIDAY
Dec 12
30° / 24°
12 - 21
mph
0
SATURDAY
Dec 13
32° / 23°
9 - 17
mph
0
Mostly clear becoming partly cloudy in the afternoon and then mostly clear overnight. Periods of snow are expected in the evening.
Light snow in the evening. Snowfall is forecast to be a trace amount in the evening.
Potential Precip:
0 to 0.02
Hi: 29°Low: 8°
2,170 feet to 8352 feet
Winds NW at 6 to 14 mph in the morning, becoming variable at 5 to 12 mph in the afternoon, and then variable at 5 to 13 mph overnight.
Mostly clear becoming partly cloudy in the afternoon and then mostly clear overnight. Periods of snow are expected in the evening.
Light snow in the evening. Snowfall is forecast to be a trace amount in the evening.
Potential Precip:
0 to 0.02
Hi: 11°Low: 8°
2,170 feet to 8352 feet
Winds NW at 31 to 42 mph with gusts to 55 in the morning, becoming NW at 35 to 46 mph in the afternoon through overnight.
Clear becoming mostly clear at times and then partly cloudy overnight. Expect windy conditions at times.
No snow.
No precipitation expected.
Hi: 36°Low: 13°
3,932 feet to 10491 feet
Winds NW at 7 to 15 mph in the morning, becoming variable at 5 to 13 mph in the afternoon, and then W at 6 to 14 mph with gusts to 22 overnight.
Clear becoming mostly clear at times and then partly cloudy overnight. Expect windy conditions at times.
No snow.
No precipitation expected.
Hi: 24°Low: 13°
3,932 feet to 10491 feet
Winds NW at 34 to 45 mph with gusts to 52 in the morning, becoming NW at 31 to 42 mph with gusts to 54 in the afternoon, and then NW at 51 to 62 mph overnight.
Mostly clear becoming mostly cloudy overnight continuing through overnight, with periods of snow developing in the afternoon through overnight.
Light snow in the evening through overnight. Snowfall is forecast to be 1 to 2 inches in the evening and overnight.
Potential Precip:
0.03 to 0.15
Hi: 37°Low: 20°
5,822 feet to 10484 feet
Winds NW at 9 to 17 mph in the morning, becoming variable at 4 to 12 mph with gusts to 21 in the afternoon, and then W at 7 to 15 mph with gusts to 22 overnight.
Mostly clear becoming mostly cloudy overnight continuing through overnight, with periods of snow developing in the afternoon through overnight.
Light snow in the evening through overnight. Snowfall is forecast to be 1 to 2 inches in the evening and overnight.
Potential Precip:
0.03 to 0.15
Hi: 24°Low: 18°
5,822 feet to 10484 feet
Winds NW at 52 to 63 mph in the morning, becoming W at 52 to 63 mph with gusts to 71 in the afternoon, and then W at 44 to 55 mph with gusts to 71 overnight.
Mostly cloudy becoming partly cloudy at times and then mostly clear overnight. Periods of snow are expected in the morning through overnight.
Periods of light snow throughout the day and overnight. Snowfall is forecast to be a trace amount.
Potential Precip:
0.02 to 0.12
Hi: 37°Low: 24°
7,075 feet to 10489 feet
Winds W at 7 to 15 mph through the day, becoming NW at 9 to 17 mph with gusts to 26 overnight.
Mostly cloudy becoming partly cloudy at times and then mostly clear overnight. Periods of snow are expected in the morning through overnight.
Periods of light snow throughout the day and overnight. Snowfall is forecast to be 1 to 2 inches.
Potential Precip:
0.02 to 0.12
Hi: 22°Low: 19°
7,075 feet to 10489 feet
Winds W at 40 to 51 mph with gusts to 72 in the morning, becoming W at 52 to 63 mph with gusts to 73 in the afternoon, and then NW at 49 to 60 mph with gusts to 72 overnight.
Partly cloudy becoming mostly clear at times continuing through overnight. Periods of snow are expected in the morning through afternoon.
Periods of snow throughout the day and overnight.
Potential Precip:
0.01 to 0.05
Hi: 38°Low: 24°
7,015 feet to 10606 feet
Winds NW at 8 to 16 mph with gusts to 25 through the day, becoming NW at 6 to 14 mph overnight.
Partly cloudy becoming mostly clear at times continuing through overnight. Periods of snow are expected in the morning through afternoon.
Periods of snow throughout the day and overnight.
Potential Precip:
0.01 to 0.05
Hi: 22°Low: 19°
7,015 feet to 10606 feet
Winds NW at 47 to 58 mph with gusts to 67 through the day, becoming NW at 39 to 50 mph with gusts to 61 overnight.
Mostly clear becoming clear at times continuing through overnight, with periods of snow expected in the evening.
Periods of snow throughout the day and overnight.
Potential Precip:
0 to 0.01
Hi: 37°Low: 24°
6,984 feet to 10481 feet
Winds NW at 6 to 14 mph throughout the day and into overnight.
Mostly clear becoming clear at times continuing through overnight, with periods of snow expected in the evening.
Periods of snow throughout the day and overnight.
Potential Precip:
0 to 0.01
Hi: 24°Low: 20°
6,984 feet to 10481 feet
Winds NW at 37 to 48 mph with gusts to 61 through the day, becoming NW at 33 to 44 mph with gusts to 58 overnight.
Clear through the day and overnight, with windy conditions at times.
No snow.
No precipitation expected.
Hi: 38°Low: 18°
5,942 feet to 10946 feet
Winds variable at 4 to 12 mph through the day, becoming variable at 5 to 12 mph overnight.
Clear through the day and overnight, with windy conditions at times.
No snow.
No precipitation expected.
Hi: 26°Low: 23°
5,942 feet to 10946 feet
Winds NW at 30 to 41 mph with gusts to 51 through the day, becoming NW at 24 to 35 mph with gusts to 48 overnight.
Sunrise & Sunset
Lunar Calendar
Snow Maps and Weather Stations in the Area 
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Snow Report
13in, past 6 days. Snow surface is packed powder and machine groomed
Snow report provided by SnoCountry
Terrain Info
Info for the hard-working snowmaking crew
Weather Averages & Extremes for the Keystone Resort Region
Plan your future trip using our temperature, snowfall, snow depth, and precipitation tool
 Day |
 High Temperatures |
 Low Temperatures |
 Precipitation |
 Snowfall |
 Snow Depth |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | High | Year | Low | Year | Avg | High | Year | Low | Year | Avg | Max | Year | Avg | Max | Year | Avg | Max | Year | |
| 1 | 34 | 54 | 1906 | 12 | 1902 | 8 | 27 | 1903 | -10 | 1908 | 0.041 | 0.70 | 1909 | 0.61 | 4.6 | 1984 | 6.0 | 22 | 2005 |
| 2 | 31 | 50 | 1906 | 11 | 1898 | 7 | 29 | 1903 | -12 | 1902 | 0.073 | 2.10 | 1893 | 1.05 | 21.0 | 1893 | 6.6 | 27 | 2005 |
| 3 | 31 | 56 | 1906 | 11 | 1897 | 1 | 22 | 1910 | -22 | 1897 | 0.027 | 0.42 | 2005 | 0.47 | 8.5 | 2005 | 6.7 | 34 | 2005 |
| 4 | 35 | 51 | 1896 | 9 | 1909 | 1 | 20 | 1906 | -18 | 1897 | 0.079 | 0.85 | 1950 | 1.21 | 13.3 | 1950 | 7.3 | 35 | 2005 |
| 5 | 34 | 52 | 1895 | 15 | 1893 | 5 | 22 | 1902 | -15 | 1909 | 0.064 | 1.15 | 1893 | 0.80 | 11.5 | 1893 | 7.5 | 35 | 2005 |
| 6 | 32 | 50 | 1895 | 13 | 1910 | 3 | 25 | 1901 | -18 | 1898 | 0.052 | 0.73 | 1966 | 0.92 | 12.0 | 1966 | 8.2 | 33 | 2005 |
| 7 | 32 | 49 | 1906 | 10 | 1898 | 3 | 18 | 1893 | -17 | 1912 | 0.091 | 2.40 | 1893 | 1.24 | 24.0 | 1893 | 8.4 | 33 | 2005 |
| 8 | 32 | 47 | 1897 | 4 | 1898 | 4 | 20 | 1907 | -17 | 1912 | 0.051 | 0.43 | 1893 | 0.90 | 5.7 | 1950 | 8.8 | 30 | 2005 |
| 9 | 33 | 46 | 1908 | 20 | 1898 | 5 | 19 | 1910 | -21 | 1898 | 0.056 | 0.60 | 1893 | 0.86 | 7.0 | 2007 | 9.2 | 29 | 2005 |
| 10 | 33 | 58 | 1896 | 14 | 1911 | 5 | 28 | 1906 | -15 | 1898 | 0.037 | 0.80 | 1901 | 0.70 | 12.0 | 1901 | 9.5 | 27 | 2007 |
| 11 | 32 | 53 | 1906 | 10 | 1909 | 3 | 24 | 1895 | -16 | 1894 | 0.065 | 0.60 | 1897 | 1.03 | 8.8 | 1984 | 9.3 | 27 | 2007 |
| 12 | 32 | 48 | 1893 | 14 | 1899 | 3 | 20 | 1895 | -24 | 1909 | 0.058 | 1.22 | 1897 | 0.92 | 12.2 | 1897 | 9.3 | 27 | 2007 |
| 13 | 32 | 60 | 1895 | 7 | 1901 | 3 | 24 | 1895 | -21 | 1901 | 0.033 | 0.30 | 1895 | 0.56 | 5.0 | 1992 | 9.1 | 25 | 2007 |
| 14 | 30 | 50 | 1894 | 10 | 1901 | 0 | 28 | 1977 | -17 | 1911 | 0.049 | 0.51 | 2014 | 0.85 | 6.2 | 1951 | 9.8 | 25 | 2005 |
| 15 | 29 | 53 | 1912 | 11 | 1902 | -2 | 15 | 1897 | -21 | 1909 | 0.047 | 0.52 | 1981 | 0.64 | 8.4 | 1981 | 10.1 | 24 | 2007 |
| 16 | 30 | 49 | 1894 | 14 | 1977 | 1 | 21 | 1895 | -18 | 1902 | 0.036 | 0.39 | 1981 | 0.66 | 4.8 | 1996 | 9.8 | 24 | 2007 |
| 17 | 28 | 44 | 1903 | 6 | 1909 | -3 | 11 | 1906 | -26 | 1909 | 0.023 | 0.25 | 1908 | 0.47 | 5.0 | 1908 | 9.7 | 24 | 2005 |
| 18 | 30 | 52 | 1893 | 3 | 1909 | -5 | 22 | 1901 | -36 | 1909 | 0.025 | 0.27 | 1960 | 0.58 | 6.0 | 1973 | 9.7 | 24 | 2005 |
| 19 | 29 | 48 | 1894 | 10 | 1909 | -4 | 22 | 1894 | -33 | 1909 | 0.041 | 0.52 | 1999 | 0.66 | 6.0 | 1962 | 10.1 | 27 | 2010 |
| 20 | 29 | 50 | 1895 | 12 | 1977 | -2 | 12 | 1898 | -30 | 1909 | 0.046 | 0.60 | 1903 | 0.78 | 9.0 | 1903 | 10.5 | 28 | 2010 |
| 21 | 27 | 45 | 1894 | 6 | 1900 | -5 | 21 | 1895 | -31 | 1897 | 0.046 | 0.54 | 1998 | 0.77 | 8.5 | 1898 | 10.8 | 28 | 2010 |
| 22 | 28 | 47 | 1906 | 8 | 1898 | -3 | 11 | 1893 | -26 | 1912 | 0.040 | 1.37 | 2014 | 0.62 | 12.8 | 2014 | 11.3 | 33 | 2014 |
| 23 | 30 | 49 | 1894 | 10 | 1898 | -3 | 21 | 1894 | -23 | 1902 | 0.060 | 0.81 | 2015 | 1.09 | 9.8 | 2015 | 12.1 | 35 | 2014 |
| 24 | 28 | 47 | 1901 | 8 | 1911 | -1 | 13 | 1977 | -22 | 1898 | 0.064 | 1.33 | 1983 | 1.04 | 20.9 | 1983 | 11.9 | 35 | 2014 |
| 25 | 27 | 47 | 1906 | 5 | 1895 | -5 | 11 | 1977 | -22 | 1895 | 0.043 | 0.65 | 1988 | 0.62 | 5.0 | 2012 | 12.0 | 35 | 2014 |
| 26 | 28 | 52 | 1896 | 3 | 1911 | -3 | 12 | 1902 | -27 | 1912 | 0.034 | 0.39 | 1981 | 0.59 | 7.0 | 1981 | 12.0 | 35 | 2014 |
| 27 | 30 | 48 | 1896 | 15 | 1894 | 2 | 25 | 1906 | -21 | 1894 | 0.063 | 1.18 | 1907 | 0.95 | 14.0 | 1907 | 12.3 | 36 | 2014 |
| 28 | 28 | 49 | 1896 | 5 | 1895 | -2 | 18 | 1906 | -22 | 1900 | 0.047 | 0.57 | 1964 | 0.90 | 10.0 | 1973 | 12.8 | 36 | 2014 |
| 29 | 29 | 51 | 1896 | 12 | 1898 | -3 | 10 | 1907 | -22 | 1895 | 0.045 | 0.40 | 1893 | 0.81 | 5.8 | 2013 | 13.5 | 38 | 2014 |
| 30 | 26 | 52 | 1896 | -2 | 1900 | -2 | 18 | 1897 | -29 | 1898 | 0.062 | 1.02 | 1951 | 0.92 | 12.6 | 1951 | 13.9 | 37 | 2014 |
| 31 | 28 | 45 | 1903 | 5 | 1900 | -4 | 25 | 1909 | -21 | 1900 | 0.042 | 0.53 | 1995 | 0.75 | 9.5 | 1995 | 14.1 | 37 | 1951 |
Day |
High Temperatures |
Low Temperatures |
Precipitation |
Snowfall |
Snow Depth |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | High | Year | Low | Year | Avg | High | Year | Low | Year | Avg | Max | Year | Avg | Max | Year | Avg | Max | Year | |
| 1 | 29 | 50 | 1973 | 4 | 2010 | 7 | 24 | 2012 | -13 | 2004 | 0.062 | 0.67 | 2008 | 1.14 | 14.0 | 2008 | 15.6 | 33 | 1975 |
| 2 | 29 | 49 | 1998 | 10 | 1981 | 7 | 23 | 1966 | -11 | 1895 | 0.123 | 3.00 | 1893 | 1.62 | 30.0 | 1893 | 15.8 | 33 | 1975 |
| 3 | 29 | 48 | 2012 | 10 | 2006 | 7 | 25 | 1966 | -16 | 2006 | 0.052 | 0.55 | 2005 | 0.79 | 8.0 | 2005 | 16.0 | 37 | 2005 |
| 4 | 29 | 50 | 1998 | 4 | 2009 | 7 | 23 | 1975 | -18 | 2009 | 0.070 | 0.80 | 1950 | 1.26 | 15.0 | 1950 | 16.4 | 38 | 2005 |
| 5 | 29 | 48 | 1987 | 0 | 2005 | 6 | 24 | 1987 | -16 | 2005 | 0.079 | 1.10 | 1972 | 1.21 | 15.6 | 1950 | 16.7 | 39 | 1977 |
| 6 | 27 | 49 | 1987 | 5 | 1983 | 5 | 25 | 1958 | -18 | 2011 | 0.076 | 0.95 | 1966 | 1.32 | 15.0 | 1966 | 17.3 | 36 | 2005 |
| 7 | 28 | 52 | 1975 | 0 | 1978 | 5 | 20 | 2003 | -23 | 1978 | 0.118 | 1.40 | 1894 | 2.00 | 14.0 | 1894 | 18.3 | 40 | 1955 |
| 8 | 26 | 44 | 1991 | 0 | 2005 | 5 | 23 | 1984 | -25 | 1978 | 0.080 | 1.15 | 1950 | 1.40 | 20.0 | 1950 | 18.9 | 40 | 1955 |
| 9 | 26 | 45 | 2011 | -5 | 1978 | 3 | 21 | 1970 | -23 | 1994 | 0.078 | 0.60 | 1893 | 1.04 | 6.4 | 1958 | 19.4 | 40 | 1955 |
| 10 | 26 | 48 | 2011 | 3 | 2013 | 4 | 23 | 1981 | -22 | 1986 | 0.036 | 0.31 | 1958 | 0.81 | 8.3 | 1958 | 19.5 | 40 | 1955 |
| 11 | 27 | 44 | 2011 | 1 | 1961 | 5 | 20 | 2014 | -20 | 1986 | 0.064 | 0.48 | 1958 | 1.23 | 10.5 | 1958 | 20.0 | 41 | 1955 |
| 12 | 26 | 42 | 1977 | -4 | 1989 | 3 | 22 | 1895 | -25 | 1961 | 0.050 | 0.54 | 1956 | 1.15 | 10.0 | 1958 | 20.4 | 39 | 1955 |
| 13 | 26 | 46 | 2014 | 6 | 1987 | 4 | 20 | 2014 | -17 | 1964 | 0.044 | 0.44 | 1993 | 0.78 | 8.0 | 1993 | 20.5 | 37 | 1983 |
| 14 | 26 | 42 | 1980 | -1 | 1987 | 3 | 17 | 1969 | -16 | 1987 | 0.081 | 0.70 | 2009 | 1.48 | 13.0 | 2009 | 21.5 | 38 | 2005 |
| 15 | 25 | 44 | 1998 | 0 | 1996 | 2 | 20 | 2010 | -21 | 2008 | 0.061 | 0.40 | 1894 | 1.18 | 11.2 | 1989 | 22.3 | 37 | 2005 |
| 16 | 25 | 48 | 1962 | 4 | 2003 | 2 | 20 | 1962 | -18 | 1987 | 0.070 | 0.50 | 1981 | 1.28 | 8.5 | 1981 | 22.8 | 42 | 1950 |
| 17 | 26 | 44 | 1980 | 5 | 1895 | 4 | 21 | 1980 | -19 | 1996 | 0.040 | 0.35 | 1996 | 0.76 | 5.5 | 1996 | 22.8 | 41 | 1996 |
| 18 | 26 | 48 | 1980 | -17 | 1996 | 3 | 19 | 2013 | -29 | 1996 | 0.058 | 0.37 | 2002 | 1.26 | 10.7 | 1989 | 23.1 | 42 | 1955 |
| 19 | 26 | 42 | 1980 | 0 | 1996 | 5 | 20 | 1955 | -22 | 1996 | 0.070 | 0.39 | 1977 | 1.20 | 8.0 | 2010 | 23.4 | 42 | 1983 |
| 20 | 26 | 40 | 1979 | 5 | 2002 | 4 | 20 | 2010 | -18 | 2012 | 0.063 | 0.46 | 2005 | 1.24 | 10.0 | 2010 | 24.1 | 47 | 2005 |
| 21 | 25 | 42 | 1975 | 5 | 1977 | 3 | 22 | 2010 | -14 | 1990 | 0.073 | 0.43 | 1974 | 1.40 | 10.5 | 1974 | 24.3 | 44 | 2010 |
| 22 | 25 | 49 | 1954 | 2 | 1998 | 2 | 25 | 1955 | -23 | 1990 | 0.070 | 1.13 | 2014 | 1.37 | 21.2 | 2014 | 24.8 | 48 | 2014 |
| 23 | 23 | 41 | 1955 | -4 | 1990 | 2 | 29 | 1964 | -33 | 1990 | 0.077 | 0.95 | 1951 | 1.27 | 15.0 | 1951 | 25.4 | 51 | 2014 |
| 24 | 24 | 48 | 2011 | -9 | 1990 | 2 | 26 | 1955 | -23 | 1895 | 0.086 | 0.77 | 1969 | 1.43 | 11.6 | 1964 | 26.0 | 49 | 1983 |
| 25 | 24 | 43 | 1989 | -2 | 1895 | 1 | 29 | 1971 | -18 | 1895 | 0.053 | 0.40 | 1983 | 1.06 | 8.1 | 1964 | 26.1 | 54 | 1983 |
| 26 | 24 | 40 | 2010 | -2 | 2009 | 1 | 20 | 1971 | -19 | 2002 | 0.046 | 0.35 | 1988 | 0.92 | 7.0 | 1967 | 25.9 | 54 | 1983 |
| 27 | 24 | 42 | 1993 | 2 | 2009 | 2 | 27 | 1955 | -22 | 1988 | 0.058 | 0.58 | 1981 | 1.26 | 10.5 | 1981 | 26.2 | 58 | 1983 |
| 28 | 23 | 51 | 1980 | 4 | 1988 | 0 | 21 | 1980 | -25 | 1988 | 0.066 | 0.80 | 1964 | 1.21 | 12.2 | 1964 | 26.8 | 58 | 1983 |
| 29 | 23 | 45 | 1952 | 3 | 1895 | 2 | 18 | 2002 | -23 | 1895 | 0.089 | 1.10 | 1973 | 1.53 | 14.0 | 1963 | 27.0 | 55 | 1983 |
| 30 | 23 | 42 | 1955 | 3 | 2007 | 1 | 19 | 1955 | -18 | 1895 | 0.102 | 1.32 | 1973 | 1.50 | 14.5 | 1973 | 27.0 | 56 | 1983 |
| 31 | 24 | 42 | 1980 | 1 | 1972 | 0 | 21 | 1955 | -17 | 1973 | 0.091 | 0.86 | 1951 | 1.59 | 20.5 | 1995 | 27.7 | 60 | 1951 |
Location Info
Mountain Base 
