Hourly Weather Forecast - Helmville, MT

12 AM
27°F
10%
12mph
W
Mostly Clear
Humidity
68%
Feels like
17°F
Dew Point
18°F
1 AM
27°F
30%
10mph
WSW
30% Chance of Snow
Humidity
68%
Feels like
17°F
Dew Point
18°F
2 AM
27°F
10%
9mph
WSW
Partly Cloudy
Humidity
68%
Feels like
18°F
Dew Point
18°F
3 AM
26°F
0%
7mph
WSW
Partly Cloudy
Humidity
69%
Feels like
19°F
Dew Point
18°F
4 AM
26°F
0%
6mph
WSW
Partly Cloudy
Humidity
71%
Feels like
20°F
Dew Point
18°F
5 AM
26°F
0%
4mph
WSW
Partly Cloudy
Humidity
72%
Feels like
20°F
Dew Point
18°F
6 AM
25°F
0%
3mph
SW
Mostly Cloudy
Humidity
75%
Feels like
21°F
Dew Point
18°F
7 AM
25°F
10%
2mph
SW
Mostly Cloudy
Humidity
74%
Feels like
25°F
Dew Point
18°F
8 AM
25°F
10%
2mph
SSW
Cloudy
Humidity
72%
Feels like
25°F
Dew Point
18°F
8:12 AM
9 AM
27°F
10%
2mph
S
Cloudy
Humidity
72%
Feels like
27°F
Dew Point
19°F
10 AM
29°F
10%
2mph
S
Cloudy
Humidity
60%
Feels like
29°F
Dew Point
17°F
11 AM
32°F
10%
2mph
S
Cloudy
Humidity
52%
Feels like
32°F
Dew Point
16°F
12 PM
33°F
20%
2mph
SSW
Cloudy
Humidity
47%
Feels like
33°F
Dew Point
15°F
1 PM
34°F
30%
3mph
SSW
30% Chance of Heavy Snow
Humidity
46%
Feels like
34°F
Dew Point
15°F
2 PM
35°F
40%
3mph
SSW
40% Chance of Heavy Snow
Humidity
49%
Feels like
32°F
Dew Point
18°F
3 PM
35°F
60%
3mph
S
60% Chance Frozen Mix
Humidity
51%
Feels like
35°F
Dew Point
18°F
4 PM
34°F
70%
3mph
S
70% Chance Frozen Mix
Humidity
59%
Feels like
34°F
Dew Point
21°F
4:44 PM
5 PM
33°F
80%
3mph
SSE
80% Chance of Light Rain
Humidity
66%
Feels like
33°F
Dew Point
23°F
6 PM
33°F
90%
3mph
S
Light Rain
Humidity
72%
Feels like
30°F
Dew Point
24°F
7 PM
33°F
100%
4mph
SSW
Light Rain
Humidity
71%
Feels like
29°F
Dew Point
24°F
8 PM
33°F
100%
5mph
SSW
Light Rain
Humidity
73%
Feels like
28°F
Dew Point
26°F
9 PM
35°F
100%
6mph
SW
Light Rain
Humidity
73%
Feels like
29°F
Dew Point
27°F
10 PM
36°F
100%
8mph
SW
Light Rain
Humidity
75%
Feels like
30°F
Dew Point
29°F
11 PM
37°F
100%
9mph
SW
Light Rain
Humidity
74%
Feels like
30°F
Dew Point
30°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today'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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