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Alta, WY Weather Forecast


Alta, WY Weather Forecast Dated: 643 AM Thu Sep 10 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
61°F 16°C
Overcast
Pleasant near 70°F 21°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the SSW to the S at 12 mph 19 km/h.
Friday, September 11, 2026
Mid-Morning
55°F 13°C
Light Showers
Mid-Afternoon
67°F 19°C
Partly Cloudy
Early-Evening
56°F 14°C
Sunny
Mildly cool near 67°F 19°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds switching from the SSW to the S at 14 mph 22 km/h. Gusts up to 23 mph 36 km/h.
Saturday, September 12, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
70°F 21°C
Nearby Thunderstorms
Early-Evening
60°F 16°C
Overcast
Enjoyable around 70°F 21°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds moving from the SE to the ESE at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
38°F 3°C
Light Snow Showers
Mid-Afternoon
36°F 2°C
Heavy Snow Showers
Early-Evening
37°F 3°C
Light Snow Showers
Nippy around 36°F 2°C, rounds of snow expected off and on all day, with increasing humidity and steady pressure. Winds swinging from the SSW to the SE at 6 mph 9 km/h.
Monday, September 14, 2026
Mid-Morning
42°F 5°C
Sunny
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
49°F 10°C
Sunny
Refreshing around 58°F 14°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds shifting from the SSW to the ESE at 8 mph 12 km/h.
Tuesday, September 15, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
58°F 15°C
Overcast
Pleasant near 68°F 20°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSE to the E at 7 mph 11 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Cloudy
Mid-Afternoon
73°F 23°C
Cloudy
Early-Evening
63°F 17°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, cloudy in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds out of the WSW at 17 mph 27 km/h.
Thursday, September 17, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
65°F 19°C
Sunny
Enjoyable around 76°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the SSE to the ESE at 7 mph 11 km/h.
Friday, September 18, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
68°F 20°C
Overcast
Mild temperatures up to 78°F 25°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the SE to the SSW at 6 mph 9 km/h.
Saturday, September 19, 2026
Mid-Morning
62°F 16°C
Light Showers
Mid-Afternoon
70°F 21°C
Nearby Thunderstorms
Early-Evening
59°F 15°C
Light Showers
Mild with a high of 70°F 21°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds out of the WSW at 15 mph 24 km/h.
Sunday, September 20, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
65°F 18°C
Partly Cloudy
Early-Evening
53°F 11°C
Overcast
Comfortable at 65°F 18°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the S to the SSE at 11 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
47°F 9°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
54°F 12°C
Sunny
Cool with a high near 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the NW to the E at 5 mph 8 km/h.
Tuesday, September 22, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
60°F 16°C
Sunny
Enjoyable around 71°F 22°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds moving from the SE to the E at 7 mph 10 km/h.
Wednesday, September 23, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
61°F 17°C
Sunny
Mild temperatures up to 72°F 22°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the SE to the E at 6 mph 9 km/h.
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