Hourly Weather Forecast - Custer, MT

12 AM
27°F
10%
1mph
ESE
Partly Cloudy
Humidity
82%
Feels like
27°F
Dew Point
22°F
1 AM
27°F
10%
2mph
SE
Mostly Clear
Humidity
83%
Feels like
27°F
Dew Point
23°F
2 AM
28°F
10%
2mph
SE
Mostly Clear
Humidity
83%
Feels like
28°F
Dew Point
23°F
3 AM
28°F
10%
2mph
SSE
Mostly Clear
Humidity
82%
Feels like
28°F
Dew Point
23°F
4 AM
28°F
10%
2mph
S
Clear
Humidity
81%
Feels like
28°F
Dew Point
23°F
5 AM
28°F
10%
3mph
SSW
Clear
Humidity
81%
Feels like
28°F
Dew Point
23°F
6 AM
29°F
10%
4mph
SW
Mostly Clear
Humidity
81%
Feels like
25°F
Dew Point
24°F
7 AM
29°F
10%
4mph
SW
Partly Cloudy
Humidity
81%
Feels like
24°F
Dew Point
24°F
7:52 AM
8 AM
30°F
10%
5mph
WSW
Mostly Cloudy
Humidity
80%
Feels like
25°F
Dew Point
25°F
9 AM
32°F
10%
5mph
SW
Partly Cloudy
Humidity
77%
Feels like
27°F
Dew Point
26°F
10 AM
35°F
10%
6mph
SW
Mostly Sunny
Humidity
73%
Feels like
30°F
Dew Point
27°F
11 AM
37°F
10%
6mph
SW
Sunny
Humidity
69%
Feels like
33°F
Dew Point
28°F
12 PM
40°F
10%
6mph
SW
Mostly Sunny
Humidity
64%
Feels like
35°F
Dew Point
29°F
1 PM
42°F
10%
7mph
SW
Partly Cloudy
Humidity
60%
Feels like
38°F
Dew Point
29°F
2 PM
44°F
10%
7mph
SW
Cloudy
Humidity
57%
Feels like
40°F
Dew Point
29°F
3 PM
43°F
10%
6mph
SW
Partly Cloudy
Humidity
57%
Feels like
39°F
Dew Point
29°F
4 PM
41°F
10%
5mph
WSW
Mostly Sunny
Humidity
59%
Feels like
38°F
Dew Point
28°F
4:30 PM
5 PM
40°F
10%
4mph
WSW
Clear
Humidity
62%
Feels like
36°F
Dew Point
28°F
6 PM
38°F
10%
4mph
WSW
Mostly Clear
Humidity
65%
Feels like
35°F
Dew Point
27°F
7 PM
36°F
10%
4mph
SW
Partly Cloudy
Humidity
68%
Feels like
33°F
Dew Point
27°F
8 PM
35°F
20%
4mph
SW
Partly Cloudy
Humidity
70%
Feels like
32°F
Dew Point
26°F
9 PM
35°F
30%
4mph
SW
30% Chance Rain Showers
Humidity
70%
Feels like
31°F
Dew Point
26°F
10 PM
35°F
30%
4mph
SW
30% Chance Rain Showers
Humidity
69%
Feels like
31°F
Dew Point
26°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

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

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday'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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