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Weather in Alta, WY · National Weather Service + NOAA

Alta is snow country

Alta has cold, snowy winters and pleasant summers. A typical July afternoon reaches 78°, a January night drops to 8°, and about 113 inches of snow falls in a normal winter. In November, a normal day reaches 37° and a normal night drops to 17°.

Winter 28°/9°Spring 49°/25°Summer 75°/43°Fall 52°/27°
Right now
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Sunrise 9:01 am · sunset 7:13 pm

Getting the latest forecast from the National Weather Service…

What stands out about Alta’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Snow countryAbout 113 inches a winter, more than 179 of 184 Wyoming towns.Cool summersJuly afternoons average 78°, cooler than 94% of U.S. towns.Snow that staysSnow covers the ground about 158 days a year.Wetter than most of Wyoming29 inches of rain and melted snow a year, more than 202 of 205 Wyoming towns.
A normal year

Where today sits in Alta’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
28° / 9°
38 days with an inch or more of snow
Spring
49° / 25°
Last frost around Jun 14
Summer
75° / 43°
1 days reach 90° in a normal year
Fall now
52° / 27°
First frost around Sep 11
Pastthe usual first frost (Sep 11). Last frost next spring: Jun 14
Best months to be outside
JulAug
Highs of 62–84° and lows of 40° or more
How much snow does Alta get?About 113 inches a winter.When is it wettest?January, with 3.4 inches.Is it warmer than it used to be?+1.1° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Alta.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Alta itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Alta 1 Nnw, WY (1 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.