Hourly Weather Forecast - Big Sky, MT

12 AM
38°F
0%
7mph
S
Mostly Clear
Humidity
61%
Feels like
32°F
Dew Point
26°F
1 AM
38°F
0%
7mph
S
Partly Cloudy
Humidity
61%
Feels like
33°F
Dew Point
26°F
2 AM
38°F
0%
7mph
S
Partly Cloudy
Humidity
63%
Feels like
33°F
Dew Point
27°F
3 AM
38°F
0%
7mph
S
Partly Cloudy
Humidity
65%
Feels like
33°F
Dew Point
28°F
4 AM
38°F
0%
8mph
S
Mostly Clear
Humidity
67%
Feels like
32°F
Dew Point
28°F
5 AM
38°F
0%
8mph
S
Mostly Clear
Humidity
69%
Feels like
32°F
Dew Point
28°F
6 AM
37°F
0%
8mph
S
Mostly Clear
Humidity
70%
Feels like
31°F
Dew Point
28°F
7 AM
37°F
0%
8mph
S
Mostly Clear
Humidity
72%
Feels like
30°F
Dew Point
28°F
8 AM
37°F
0%
8mph
S
Mostly Clear
Humidity
73%
Feels like
31°F
Dew Point
29°F
8:02 AM
9 AM
39°F
0%
9mph
S
Mostly Sunny
Humidity
67%
Feels like
33°F
Dew Point
29°F
10 AM
43°F
10%
10mph
S
Mostly Sunny
Humidity
58%
Feels like
37°F
Dew Point
29°F
11 AM
45°F
10%
11mph
SSW
Mostly Sunny
Humidity
55%
Feels like
40°F
Dew Point
30°F
12 PM
47°F
10%
11mph
SSW
Partly Cloudy
Humidity
53%
Feels like
42°F
Dew Point
31°F
1 PM
48°F
10%
12mph
SSW
Partly Cloudy
Humidity
51%
Feels like
43°F
Dew Point
31°F
2 PM
49°F
10%
11mph
SSW
Partly Cloudy
Humidity
49%
Feels like
44°F
Dew Point
30°F
3 PM
48°F
20%
11mph
SSW
Partly Cloudy
Humidity
49%
Feels like
43°F
Dew Point
30°F
4 PM
46°F
20%
9mph
S
Mostly Cloudy
Humidity
56%
Feels like
42°F
Dew Point
32°F
4:46 PM
5 PM
45°F
30%
8mph
S
30% Chance of Light Rain
Humidity
63%
Feels like
40°F
Dew Point
33°F
6 PM
43°F
40%
7mph
S
40% Chance of Light Rain
Humidity
70%
Feels like
39°F
Dew Point
34°F
7 PM
42°F
50%
6mph
S
50% Chance of Light Rain
Humidity
74%
Feels like
38°F
Dew Point
34°F
8 PM
40°F
60%
5mph
S
60% Chance of Light Rain
Humidity
76%
Feels like
37°F
Dew Point
33°F
9 PM
40°F
70%
5mph
S
70% Chance of Rain
Humidity
79%
Feels like
36°F
Dew Point
34°F
10 PM
39°F
70%
4mph
SSW
70% Chance of Rain
Humidity
79%
Feels like
36°F
Dew Point
33°F
11 PM
38°F
70%
4mph
SSW
70% Chance of Light Rain
Humidity
79%
Feels like
36°F
Dew Point
32°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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