Alta is now closed to uphill traffic as we prepare the mountain for opening day on Friday 11/23. Access to Catherine's pass via the summer road is still allowed.

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Last updated: 10:00AM 11/20/2018

Base of Mountain Observations

Base of Mountain 

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Month Day Hour Base Temp
(°F/°C)
Base Dir
(°)
Base Speed
(MPH/KPH)
Base Gust
(MPH/KPH)
Hourly Water
(inches/mm)
Since 0400
(inches/mm)
November 20 9 am 23.9/-4.5 112.8 5.3/8.5 9.3/15 0.00/0 0.00/0
November 20 8 am 23.4/-4.8 110.4 5.8/9.3 8.3/13.4 0.00/0 0.00/0
November 20 7 am 23.1/-4.9 112.5 5.6/9 8.3/13.4 0.00/0 0.00/0
November 20 6 am 22.5/-5.3 110.0 5.5/8.9 8.4/13.5 0.00/0 0.00/0
November 20 5 am 22.6/-5.2 110.9 5.2/8.4 8.6/13.8 0.00/0 0.00/0
November 20 4 am 22.1/-5.5 109.0 5.0/8 8.2/13.2 0.00/0 0.00/0
November 20 3 am 22.2/-5.4 111.6 5.0/8 8.1/13 0.00/0 0.00/0
November 20 2 am 22.5/-5.3 112.7 5.3/8.5 8.6/13.8 0.00/0 0.00/0
November 20 1 am 22.3/-5.4 114.4 5.1/8.2 8.3/13.4 0.00/0 0.00/0
November 19 12 am 22.0/-5.6 112.2 5.2/8.4 7.8/12.6 0.00/0 0.00/0
November 19 11 pm 21.7/-5.7 111.3 5.2/8.4 8.3/13.4 0.00/0 0.00/0
November 19 10 pm 21.5/-5.8 109.1 5.0/8 8.6/13.8 0.00/0 0.00/0
November 19 9 pm 22.5/-5.3 114.6 5.1/8.2 8.8/14.2 0.00/0 0.00/0
November 19 8 pm 23.2/-4.9 114.9 4.5/7.2 7.8/12.6 0.00/0 0.00/0
November 19 7 pm 23.2/-4.9 123.6 3.9/6.3 9.4/15.1 0.00/0 0.00/0
November 19 6 pm 23.8/-4.6 138.8 4.6/7.4 11.0/17.7 0.00/0 0.00/0
November 19 5 pm 24.8/-4 154.4 6.1/9.8 11.6/18.7 0.00/0 0.00/0
November 19 4 pm 26.7/-2.9 169.1 3.1/5 6.1/9.8 0.00/0 0.00/0
November 19 3 pm 29.6/-1.3 223.1 2.7/4.3 6.7/10.8 0.00/0 0.00/0
November 19 2 pm 36.6/2.6 235.3 4.0/6.4 9.0/14.5 0.00/0 0.00/0
November 19 1 pm 40.8/4.9 226.1 3.2/5.1 9.0/14.5 0.00/0 0.00/0
November 19 12 pm 36.9/2.7 166.9 2.1/3.4 4.4/7.1 0.00/0 0.00/0
November 19 11 am 26.4/-3.1 157.5 1.6/2.6 4.2/6.8 0.00/0 0.00/0
November 19 10 am 19.0/-7.2 147.3 2.1/3.4 7.9/12.7 0.00/0 0.00/0
November 19 9 am 18.3/-7.6 113.9 4.4/7.1 8.6/13.8 0.00/0 0.00/0
Month Day Hour Base Temp
(°F/°C)
Base Dir
(°)
Base Speed
(MPH/KPH)
Base Gust
(MPH/KPH)
Hourly Water
(inches/mm)
Since 0400
(inches/mm)

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