Hourly Weather Forecast - Big Sky, MT

12 AM
38°F
0%
9mph
S
Partly Cloudy
Humidity
63%
Feels like
31°F
Dew Point
26°F
1 AM
38°F
0%
9mph
S
Partly Cloudy
Humidity
62%
Feels like
31°F
Dew Point
26°F
2 AM
38°F
20%
10mph
S
Partly Cloudy
Humidity
64%
Feels like
31°F
Dew Point
27°F
3 AM
39°F
30%
11mph
S
30% Chance Rain Showers
Humidity
64%
Feels like
32°F
Dew Point
28°F
4 AM
39°F
30%
12mph
S
30% Chance of Light Rain
Humidity
71%
Feels like
32°F
Dew Point
30°F
5 AM
39°F
30%
13mph
S
30% Chance of Light Rain
Humidity
69%
Feels like
32°F
Dew Point
30°F
6 AM
40°F
30%
13mph
S
30% Chance of Light Rain
Humidity
68%
Feels like
33°F
Dew Point
30°F
7 AM
41°F
40%
14mph
SSW
40% Chance of Light Rain
Humidity
66%
Feels like
33°F
Dew Point
30°F
7:58 AM
8 AM
41°F
50%
14mph
SSW
50% Chance of Light Rain
Humidity
67%
Feels like
34°F
Dew Point
31°F
9 AM
42°F
80%
15mph
SW
80% Chance of Rain
Humidity
68%
Feels like
34°F
Dew Point
32°F
10 AM
42°F
70%
16mph
SW
70% Chance of Rain
Humidity
69%
Feels like
34°F
Dew Point
33°F
11 AM
41°F
50%
19mph
WSW
50% Chance of Sleet
Humidity
64%
Feels like
32°F
Dew Point
30°F
12 PM
39°F
30%
20mph
W
30% Chance Frozen Mix
Humidity
53%
Feels like
30°F
Dew Point
24°F
1 PM
37°F
20%
20mph
W
Windy
Humidity
43%
Feels like
27°F
Dew Point
17°F
2 PM
35°F
10%
21mph
W
Windy
Humidity
34%
Feels like
23°F
Dew Point
9°F
3 PM
32°F
10%
21mph
W
Windy
Humidity
33%
Feels like
20°F
Dew Point
6°F
4 PM
30°F
0%
20mph
W
Partly Cloudy
Humidity
38%
Feels like
17°F
Dew Point
7°F
4:43 PM
5 PM
28°F
10%
19mph
W
Partly Cloudy
Humidity
42%
Feels like
15°F
Dew Point
8°F
6 PM
27°F
10%
18mph
W
Partly Cloudy
Humidity
44%
Feels like
15°F
Dew Point
8°F
7 PM
26°F
10%
16mph
W
Mostly Cloudy
Humidity
47%
Feels like
14°F
Dew Point
9°F
8 PM
26°F
10%
15mph
W
Mostly Cloudy
Humidity
50%
Feels like
13°F
Dew Point
10°F
9 PM
25°F
10%
13mph
W
Mostly Cloudy
Humidity
53%
Feels like
14°F
Dew Point
11°F
10 PM
25°F
10%
11mph
W
Partly Cloudy
Humidity
52%
Feels like
14°F
Dew Point
10°F
11 PM
25°F
10%
9mph
W
Partly Cloudy
Humidity
54%
Feels like
15°F
Dew Point
10°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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