Hourly Weather Forecast - Custer, MT

12 AM
31°F
10%
22mph
NW
Windy
Humidity
52%
Feels like
18°F
Dew Point
16°F
1 AM
29°F
10%
20mph
NW
Partly Cloudy
Humidity
55%
Feels like
16°F
Dew Point
15°F
2 AM
27°F
0%
17mph
NW
Partly Cloudy
Humidity
57%
Feels like
14°F
Dew Point
14°F
3 AM
25°F
0%
13mph
NNW
Mostly Clear
Humidity
59%
Feels like
14°F
Dew Point
13°F
4 AM
24°F
0%
9mph
NNW
Mostly Clear
Humidity
61%
Feels like
14°F
Dew Point
13°F
5 AM
23°F
0%
6mph
NNW
Mostly Clear
Humidity
63%
Feels like
16°F
Dew Point
13°F
6 AM
22°F
0%
2mph
NNW
Clear
Humidity
67%
Feels like
22°F
Dew Point
13°F
7 AM
21°F
0%
1mph
SSE
Mostly Clear
Humidity
71%
Feels like
21°F
Dew Point
13°F
7:48 AM
8 AM
21°F
0%
2mph
SSE
Mostly Sunny
Humidity
74%
Feels like
21°F
Dew Point
14°F
9 AM
23°F
0%
4mph
S
Partly Cloudy
Humidity
72%
Feels like
18°F
Dew Point
16°F
10 AM
26°F
0%
4mph
S
Partly Cloudy
Humidity
69%
Feels like
21°F
Dew Point
18°F
11 AM
29°F
0%
5mph
S
Partly Cloudy
Humidity
66%
Feels like
24°F
Dew Point
19°F
12 PM
32°F
0%
6mph
S
Partly Cloudy
Humidity
63%
Feels like
26°F
Dew Point
20°F
1 PM
34°F
0%
6mph
S
Partly Cloudy
Humidity
59%
Feels like
28°F
Dew Point
21°F
2 PM
35°F
0%
6mph
S
Mostly Cloudy
Humidity
57%
Feels like
30°F
Dew Point
22°F
3 PM
35°F
0%
6mph
S
Mostly Cloudy
Humidity
57%
Feels like
30°F
Dew Point
21°F
4 PM
34°F
0%
6mph
S
Mostly Cloudy
Humidity
58%
Feels like
29°F
Dew Point
21°F
4:26 PM
5 PM
33°F
0%
6mph
SSE
Partly Cloudy
Humidity
59%
Feels like
28°F
Dew Point
21°F
6 PM
33°F
0%
6mph
SSE
Mostly Cloudy
Humidity
59%
Feels like
28°F
Dew Point
20°F
7 PM
33°F
10%
6mph
SSE
Mostly Cloudy
Humidity
59%
Feels like
27°F
Dew Point
20°F
8 PM
33°F
10%
6mph
SSE
Cloudy
Humidity
59%
Feels like
27°F
Dew Point
20°F
9 PM
33°F
10%
7mph
SSE
Cloudy
Humidity
58%
Feels like
27°F
Dew Point
20°F
10 PM
33°F
10%
7mph
S
Cloudy
Humidity
58%
Feels like
27°F
Dew Point
20°F
11 PM
34°F
10%
7mph
S
Cloudy
Humidity
58%
Feels like
27°F
Dew Point
20°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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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