Hourly Weather Forecast - Decker, MT

12 AM
18°F
0%
4mph
SSW
Hazy
Humidity
96%
Feels like
11°F
Dew Point
17°F
1 AM
17°F
0%
4mph
SSW
Hazy
Humidity
95%
Feels like
11°F
Dew Point
16°F
2 AM
17°F
0%
4mph
SSW
Hazy
Humidity
93%
Feels like
11°F
Dew Point
16°F
3 AM
17°F
0%
4mph
S
Partly Cloudy
Humidity
92%
Feels like
11°F
Dew Point
15°F
4 AM
17°F
0%
4mph
S
Mostly Cloudy
Humidity
92%
Feels like
12°F
Dew Point
15°F
5 AM
17°F
0%
3mph
S
Cloudy
Humidity
92%
Feels like
13°F
Dew Point
15°F
6 AM
17°F
0%
3mph
S
Cloudy
Humidity
93%
Feels like
17°F
Dew Point
16°F
7 AM
18°F
0%
3mph
SSE
Cloudy
Humidity
90%
Feels like
13°F
Dew Point
16°F
7:42 AM
8 AM
20°F
0%
3mph
SSE
Cloudy
Humidity
86%
Feels like
15°F
Dew Point
16°F
9 AM
23°F
0%
3mph
SSE
Cloudy
Humidity
78%
Feels like
19°F
Dew Point
17°F
10 AM
27°F
0%
3mph
SE
Cloudy
Humidity
70%
Feels like
24°F
Dew Point
19°F
11 AM
30°F
0%
3mph
SE
Cloudy
Humidity
66%
Feels like
27°F
Dew Point
20°F
12 PM
32°F
0%
3mph
SE
Cloudy
Humidity
64%
Feels like
32°F
Dew Point
21°F
1 PM
32°F
0%
3mph
SE
Cloudy
Humidity
65%
Feels like
32°F
Dew Point
22°F
2 PM
33°F
0%
2mph
SE
Cloudy
Humidity
66%
Feels like
33°F
Dew Point
22°F
3 PM
32°F
0%
2mph
SE
Mostly Cloudy
Humidity
68%
Feels like
32°F
Dew Point
23°F
4 PM
31°F
0%
2mph
SSE
Partly Cloudy
Humidity
72%
Feels like
31°F
Dew Point
23°F
4:27 PM
5 PM
30°F
0%
3mph
S
Partly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
23°F
6 PM
29°F
0%
2mph
S
Partly Cloudy
Humidity
80%
Feels like
29°F
Dew Point
23°F
7 PM
28°F
0%
2mph
S
Partly Cloudy
Humidity
81%
Feels like
28°F
Dew Point
23°F
8 PM
28°F
0%
2mph
S
Partly Cloudy
Humidity
82%
Feels like
28°F
Dew Point
24°F
9 PM
28°F
0%
2mph
S
Partly Cloudy
Humidity
85%
Feels like
28°F
Dew Point
24°F
10 PM
28°F
0%
2mph
S
Partly Cloudy
Humidity
88%
Feels like
28°F
Dew Point
25°F
11 PM
27°F
0%
2mph
S
Partly Cloudy
Humidity
91%
Feels like
27°F
Dew Point
25°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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