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Big Sky, MT Weather Forecast
Big Sky, MT Weather Forecast Dated: 356 AM Wed Nov 11 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Wednesday, November 11, 2026
Mid-Morning
37°F 3°C
Partly Cloudy
Mid-Afternoon
47°F 9°C
Sunny
Early-Evening
37°F 3°C
Partly Cloudy
Brisk around 47°F 9°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure.
Thursday, November 12, 2026
Mid-Morning
40°F 4°C
Cloudy
Mid-Afternoon
49°F 10°C
Cloudy
Early-Evening
37°F 3°C
Cloudy
Cool and brisk at 49°F 10°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling.
Friday, November 13, 2026
Mid-Morning
38°F 3°C
Overcast
Mid-Afternoon
43°F 6°C
Overcast
Early-Evening
35°F 2°C
Overcast
Cold with a high near 43°F 6°C, overcast throughout the day, with increasing humidity and barometric pressure falling.
Saturday, November 14, 2026
Mid-Morning
34°F 1°C
Overcast
Mid-Afternoon
39°F 4°C
Partly Cloudy
Early-Evening
31°F -1°C
Light Snow
Nippy around 39°F 4°C, drier conditions through late afternoon before snow move in, with increasing humidity and barometric pressure rising.
Sunday, November 15, 2026
Mid-Morning
30°F -1°C
Cloudy
Mid-Afternoon
35°F 2°C
Cloudy
Early-Evening
27°F -4°C
Clear
Biting cold near 35°F 2°C, cloudy through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Monday, November 16, 2026
Mid-Morning
33°F 0°C
Cloudy
Mid-Afternoon
37°F 3°C
Overcast
Early-Evening
34°F 1°C
Overcast
Cold with a high near 37°F 3°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling.
Tuesday, November 17, 2026
Mid-Morning
33°F 1°C
Overcast
Mid-Afternoon
36°F 2°C
Heavy Snow
Early-Evening
32°F 0°C
Heavy Snow
Nippy around 36°F 2°C, drier morning followed by snow lasting through evening, with increasing humidity and steady pressure. Snow accumulation up to 1 in. up to 3 cm.
Wednesday, November 18, 2026
Mid-Morning
27°F -3°C
Snow
Mid-Afternoon
28°F -2°C
Snow
Early-Evening
24°F -5°C
Light Snow
Freezing temperatures near 28°F -2°C, persistent snow off and on through the day, with steady humidity and barometric pressure rising. Snow accumulation up to 1 in. up to 3 cm.
Thursday, November 19, 2026
Mid-Morning
22°F -6°C
Light Snow
Mid-Afternoon
25°F -4°C
Light Snow
Early-Evening
21°F -6°C
Light Snow
Frigid with highs around 25°F -4°C, on-and-off snow throughout the day, with increasing humidity and steady pressure.
Friday, November 20, 2026
Mid-Morning
22°F -5°C
Light Snow
Mid-Afternoon
22°F -5°C
Partly Cloudy
Early-Evening
18°F -9°C
Partly Cloudy
Freezing near 22°F -5°C, early snow breaking for a drier afternoon, with steady humidity and steady pressure.
Saturday, November 21, 2026
Mid-Morning
22°F -6°C
Sunny
Mid-Afternoon
26°F -3°C
Sunny
Early-Evening
18°F -8°C
Cloudy
Freezing temperatures near 26°F -3°C, sunny through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure.
Sunday, November 22, 2026
Mid-Morning
24°F -5°C
Freezing Rain
Mid-Afternoon
27°F -3°C
Snow
Early-Evening
25°F -5°C
Snow
Frigid with highs around 27°F -3°C, on-and-off freezing rain throughout the day, with increasing humidity and steady pressure.
Monday, November 23, 2026
Mid-Morning
26°F -3°C
Partly Cloudy
Mid-Afternoon
28°F -3°C
Cloudy
Early-Evening
22°F -6°C
Partly Cloudy
Freezing near 28°F -3°C, cloudy throughout the day, with steady humidity and steady pressure.
Tuesday, November 24, 2026
Mid-Morning
28°F -3°C
Partly Cloudy
Mid-Afternoon
30°F -1°C
Light Snow
Early-Evening
27°F -3°C
Heavy Snow
Freezing temperatures near 30°F -1°C, clouds and snow taking over for the afternoon and evening, with increasing humidity and steady pressure.
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