Hourly Weather Forecast - Decker, MT

12 AM
27°F
0%
2mph
S
Partly Cloudy
Humidity
91%
Feels like
27°F
Dew Point
25°F
1 AM
27°F
10%
2mph
S
Mostly Cloudy
Humidity
91%
Feels like
27°F
Dew Point
25°F
2 AM
27°F
10%
2mph
S
Cloudy
Humidity
92%
Feels like
27°F
Dew Point
25°F
3 AM
27°F
10%
3mph
SSW
Cloudy
Humidity
94%
Feels like
27°F
Dew Point
25°F
4 AM
27°F
10%
3mph
SSW
Cloudy
Humidity
95%
Feels like
23°F
Dew Point
26°F
5 AM
28°F
10%
3mph
SSW
Cloudy
Humidity
96%
Feels like
24°F
Dew Point
26°F
6 AM
28°F
10%
3mph
SSW
Cloudy
Humidity
96%
Feels like
25°F
Dew Point
27°F
7 AM
29°F
10%
3mph
S
Cloudy
Humidity
93%
Feels like
29°F
Dew Point
27°F
7:42 AM
8 AM
31°F
10%
2mph
SSW
Cloudy
Humidity
89%
Feels like
31°F
Dew Point
28°F
9 AM
34°F
10%
2mph
SW
Cloudy
Humidity
83%
Feels like
34°F
Dew Point
29°F
10 AM
37°F
10%
3mph
WSW
Cloudy
Humidity
76%
Feels like
37°F
Dew Point
31°F
11 AM
40°F
10%
4mph
W
Cloudy
Humidity
72%
Feels like
38°F
Dew Point
32°F
12 PM
42°F
10%
4mph
WNW
Cloudy
Humidity
69%
Feels like
39°F
Dew Point
32°F
1 PM
42°F
10%
4mph
NW
Mostly Cloudy
Humidity
69%
Feels like
40°F
Dew Point
33°F
2 PM
42°F
10%
4mph
NW
Partly Cloudy
Humidity
70%
Feels like
40°F
Dew Point
33°F
3 PM
41°F
10%
4mph
NW
Mostly Cloudy
Humidity
73%
Feels like
38°F
Dew Point
33°F
4 PM
38°F
10%
3mph
WNW
Mostly Cloudy
Humidity
80%
Feels like
36°F
Dew Point
33°F
4:27 PM
5 PM
35°F
10%
3mph
WNW
Cloudy
Humidity
87%
Feels like
35°F
Dew Point
32°F
6 PM
34°F
20%
3mph
W
Mostly Cloudy
Humidity
91%
Feels like
34°F
Dew Point
31°F
7 PM
33°F
20%
2mph
W
Mostly Cloudy
Humidity
92%
Feels like
33°F
Dew Point
31°F
8 PM
32°F
20%
2mph
WSW
Partly Cloudy
Humidity
92%
Feels like
32°F
Dew Point
30°F
9 PM
31°F
20%
2mph
SW
Partly Cloudy
Humidity
94%
Feels like
31°F
Dew Point
30°F
10 PM
31°F
30%
2mph
SW
30% Chance Freezing Rain
Humidity
95%
Feels like
31°F
Dew Point
29°F
11 PM
30°F
20%
2mph
SSW
Hazy
Humidity
96%
Feels like
30°F
Dew Point
29°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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