Decker, MT Weather Forecast | 5 Day

Tue 2-18
Overcast
- HI: 8°F
- LO: -11°F
- Rain: 0%
- Snow: 0%
- Wind
8.7 mph - Humidity
79% avg. - UV Index
0.5 - Air QualityGood
- Sunrise
07:03 AM - Sunset
05:40 PM - Moonrise
No moonrise - Moonset
09:15 AM - Moon Phase
Waning Gibbous - Hourly
8 PM 
Partly Cloudy 
-5°Fair 4.9 mph NW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.87 inHg
pressure
pressure
9 PM 
Partly Cloudy 
-8°Fair 4 mph NW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.91 inHg
pressure
pressure
10 PM 
Partly Cloudy 
-9°Fair 2.9 mph NW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.94 inHg
pressure
pressure
11 PM 
Clear 
-11°Fair 1.8 mph NW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.96 inHg
pressure
pressure

Wed 2-19
Sunny
- HI: 18°F
- LO: -12°F
- Rain: 0%
- Snow: 0%
- Wind
10.1 mph - Humidity
83% avg. - UV Index
0.6 - Air QualityGood
- Sunrise
07:01 AM - Sunset
05:41 PM - Moonrise
12:23 AM - Moonset
09:38 AM - Moon Phase
Waning Gibbous - Hourly
12 AM 
Clear 
-11°Fair 1.1 mph W
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.97 inHg
pressure
pressure
1 AM 
Clear 
-12°Fair 1.8 mph W
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.97 inHg
pressure
pressure
2 AM 
Clear 
-12°Fair 1.6 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.96 inHg
pressure
pressure
3 AM 
Partly Cloudy 
-12°Fair 2.7 mph SSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.97 inHg
pressure
pressure
4 AM 
Partly Cloudy 
-12°Fair 1.8 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.96 inHg
pressure
pressure
5 AM 
Partly Cloudy 
-12°Fair 1.3 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.95 inHg
pressure
pressure
6 AM 
Partly Cloudy 
-12°Fair 1.3 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.94 inHg
pressure
pressure
7 AM 
Partly Cloudy 
-12°Fair 1.3 mph SSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.93 inHg
pressure
pressure
8 AM 
Partly Cloudy 
-10°Fair 0.9 mph SSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.93 inHg
pressure
pressure
9 AM 
Partly Cloudy 
-6°Fair 2 mph ESE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.89 inHg
pressure
pressure
10 AM 
Sunny
-1°Fair 2.7 mph SE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.81 inHg
pressure
pressure
11 AM 
Sunny
4°Fair 4.3 mph ESE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.74 inHg
pressure
pressure
12 PM 
Sunny
8°Fair 5.8 mph ESE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.68 inHg
pressure
pressure
1 PM 
Sunny
12°Fair 7.2 mph SE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.61 inHg
pressure
pressure
2 PM 
Sunny
15°Fair 8.3 mph ESE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.55 inHg
pressure
pressure
3 PM 
Sunny
16°Fair 9.4 mph ESE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.5 inHg
pressure
pressure
4 PM 
Sunny
17°Fair 10.1 mph ESE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.46 inHg
pressure
pressure
5 PM 
Sunny
16°Fair 9.8 mph ESE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.44 inHg
pressure
pressure
6 PM 
Partly Cloudy 
12°Fair 7.2 mph ESE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.44 inHg
pressure
pressure
7 PM 
Partly Cloudy 
9°Fair 4.7 mph E
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.48 inHg
pressure
pressure
8 PM 
Partly Cloudy 
6°Fair 3.8 mph E
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.5 inHg
pressure
pressure
9 PM 
Partly Cloudy 
4°Fair 4.3 mph E
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.52 inHg
pressure
pressure
10 PM 
Partly Cloudy 
4°Fair 4.9 mph E
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.49 inHg
pressure
pressure
11 PM 
Partly Cloudy 
4°Fair 4.3 mph E
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.48 inHg
pressure
pressure

Thu 2-20
Partly Cloudy
- HI: 31°F
- LO: 3°F
- Rain: 0%
- Snow: 0%
- Wind
4.9 mph - Humidity
85% avg. - UV Index
0.7 - Air QualityModerate
- Sunrise
07:00 AM - Sunset
05:43 PM - Moonrise
01:31 AM - Moonset
10:05 AM - Moon Phase
Last Quarter - Hourly
12 AM 
Partly Cloudy 
4°Fair 3.8 mph E
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.46 inHg
pressure
pressure
1 AM 
Partly Cloudy 
4°Fair 3.6 mph ENE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.44 inHg
pressure
pressure
2 AM 
Partly Cloudy 
4°Fair 2.7 mph ENE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.44 inHg
pressure
pressure
3 AM 
Cloudy 
4°Fair 2.7 mph E
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.43 inHg
pressure
pressure
4 AM 
Cloudy 
3°Fair 2 mph E
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.42 inHg
pressure
pressure
5 AM 
Cloudy 
3°Fair 0.2 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.41 inHg
pressure
pressure
6 AM 
Cloudy 
3°Fair 0.2 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.41 inHg
pressure
pressure
7 AM 
Cloudy 
4°Fair 1.8 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.41 inHg
pressure
pressure
8 AM 
Cloudy 
4°Fair 2 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.41 inHg
pressure
pressure
9 AM 
Sunny
9°Fair 1.6 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.42 inHg
pressure
pressure
10 AM 
Sunny
13°Fair 2 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.35 inHg
pressure
pressure
11 AM 
Sunny
17°Fair 3.1 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.31 inHg
pressure
pressure
12 PM 
Sunny
22°Fair 3.4 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.28 inHg
pressure
pressure
1 PM 
Sunny
25°Fair 3.4 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.22 inHg
pressure
pressure
2 PM 
Sunny
28°Fair 2.5 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.2 inHg
pressure
pressure
3 PM 
Sunny
29°Fair 2.9 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.17 inHg
pressure
pressure
4 PM 
Sunny
29°Fair 3.4 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.18 inHg
pressure
pressure
5 PM 
Sunny
29°Fair 3.1 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.18 inHg
pressure
pressure
6 PM 
Clear 
27°Fair 2 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.18 inHg
pressure
pressure
7 PM 
Clear 
26°Fair 2.5 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.23 inHg
pressure
pressure
8 PM 
Partly Cloudy 
24°Fair 3.6 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.26 inHg
pressure
pressure
9 PM 
Freezing Fog
21°Fair 4.3 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.28 inHg
pressure
pressure
10 PM 
Freezing Fog
20°Fair 4.7 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.33 inHg
pressure
pressure
11 PM 
Freezing Fog
18°Fair 4.9 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.35 inHg
pressure
pressure

Fri 2-21
Cloudy
- HI: 40°F
- LO: 17°F
- Rain: 0%
- Snow: 0%
- Wind
4.7 mph - Humidity
91% avg. - UV Index
0.7 - Air QualityGood
- Sunrise
06:58 AM - Sunset
05:44 PM - Moonrise
02:37 AM - Moonset
10:42 AM - Moon Phase
Waning Crescent - Hourly
12 AM 
Mist
19°Fair 4.5 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.37 inHg
pressure
pressure
1 AM 
Mist
20°Fair 3.6 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.34 inHg
pressure
pressure
2 AM 
Mist
21°Fair 4.5 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.33 inHg
pressure
pressure
3 AM 
Freezing Fog
22°Fair 4.7 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.31 inHg
pressure
pressure
4 AM 
Freezing Fog
23°Fair 4.7 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.31 inHg
pressure
pressure
5 AM 
Freezing Fog
24°Fair 4 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.3 inHg
pressure
pressure
6 AM 
Freezing Fog
25°Fair 3.1 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.3 inHg
pressure
pressure
7 AM 
Freezing Fog
27°Fair 3.1 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.3 inHg
pressure
pressure
8 AM 
Freezing Fog
28°Fair 3.4 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.29 inHg
pressure
pressure
9 AM 
Cloudy 
30°Fair 2.9 mph SSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.29 inHg
pressure
pressure
10 AM 
Cloudy 
33°Fair 2.5 mph SSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.26 inHg
pressure
pressure
11 AM 
Cloudy 
35°Fair 2.9 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.24 inHg
pressure
pressure
12 PM 
Sunny
37°Fair 3.8 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.23 inHg
pressure
pressure
1 PM 
Sunny
38°Fair 3.1 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.21 inHg
pressure
pressure
2 PM 
Sunny
39°Fair 0.7 mph E
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.2 inHg
pressure
pressure
3 PM 
Sunny
38°Fair 2 mph ESE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.19 inHg
pressure
pressure
4 PM 
Sunny
37°Fair 1.6 mph SSE
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.19 inHg
pressure
pressure
5 PM 
Sunny
35°Fair 2.5 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.19 inHg
pressure
pressure
6 PM 
Partly Cloudy 
31°Fair 2 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.19 inHg
pressure
pressure
7 PM 
Freezing Fog
28°Fair 2.2 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.08 inHg
pressure
pressure
8 PM 
Freezing Fog
26°Fair 2.9 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.1 inHg
pressure
pressure
9 PM 
Freezing Fog
25°Fair 3.6 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.11 inHg
pressure
pressure
10 PM 
Mist
23°Fair 3.6 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.14 inHg
pressure
pressure
11 PM 
Partly Cloudy 
21°Fair 3.4 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.15 inHg
pressure
pressure

Sat 2-22
Fog
- HI: 36°F
- LO: 18°F
- Rain: 0%
- Snow: 0%
- Wind
5.1 mph - Humidity
93% avg. - UV Index
0.6 - Air QualityGood
- Sunrise
06:56 AM - Sunset
05:46 PM - Moonrise
03:40 AM - Moonset
11:30 AM - Moon Phase
Waning Crescent - Hourly
12 AM 
Partly Cloudy 
20°Fair 3.8 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.17 inHg
pressure
pressure
1 AM 
Partly Cloudy 
19°Fair 3.6 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.18 inHg
pressure
pressure
2 AM 
Partly Cloudy 
18°Fair 4 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.19 inHg
pressure
pressure
3 AM 
Partly Cloudy 
18°Fair 4.3 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.19 inHg
pressure
pressure
4 AM 
Partly Cloudy 
18°Fair 3.6 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.17 inHg
pressure
pressure
5 AM 
Overcast 
19°Fair 3.1 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.16 inHg
pressure
pressure
6 AM 
Overcast 
20°Fair 2.2 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.16 inHg
pressure
pressure
7 AM 
Overcast 
21°Fair 1.6 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.15 inHg
pressure
pressure
8 AM 
Overcast 
24°Fair 1.3 mph SSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.15 inHg
pressure
pressure
9 AM 
Overcast 
28°Fair 3.1 mph WNW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.16 inHg
pressure
pressure
10 AM 
Partly Cloudy 
31°Fair 2 mph WSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.14 inHg
pressure
pressure
11 AM 
Partly Cloudy 
32°Fair 2.9 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.12 inHg
pressure
pressure
12 PM 
Fog
34°Fair 5.1 mph S
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.1 inHg
pressure
pressure
1 PM 
Fog
35°Fair 4.9 mph SSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.1 inHg
pressure
pressure
2 PM 
Fog
35°Fair 3.8 mph SSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.07 inHg
pressure
pressure
3 PM 
Fog
35°Fair 2.2 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.07 inHg
pressure
pressure
4 PM 
Fog
35°Fair 1.6 mph W
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.1 inHg
pressure
pressure
5 PM 
Fog
33°Fair 1.8 mph WNW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.13 inHg
pressure
pressure
6 PM 
Freezing Fog
29°Fair 2 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.16 inHg
pressure
pressure
7 PM 
Mist
27°Fair 3.6 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.19 inHg
pressure
pressure
8 PM 
Mist
25°Fair 3.6 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.2 inHg
pressure
pressure
9 PM 
Mist
24°Fair 4 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.21 inHg
pressure
pressure
10 PM 
Mist
23°Fair 4.5 mph SW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.21 inHg
pressure
pressure
11 PM 
Mist
22°Fair 3.6 mph SSW
wind
water_drop0%
rain
rain
snowing0%
snow
snow
wind
30.22 inHg
pressure
pressure
Currently
![]() |
-5°F |
30.41 inHg.
Barometer 68%
Humidity NNW 9.7 mph Wind |
Overcast |
National Outlook
Brace for Snow and Cold Blast: Feb 19-21
Tue Feb 18th 2025, 3:51pm PST
Read
Cold Snap and Wet Weather Ahead: Feb 21 to Feb 25
Extended Forecast
Tue Feb 18th 2025, 3:54pm PST
Read
Tue Feb 18th 2025, 3:54pm PST