Hourly Weather Forecast - Great Falls, MT

12 AM
32°F
0%
16mph
SW
Partly Cloudy
Humidity
42%
Feels like
21°F
Dew Point
11°F
1 AM
31°F
0%
15mph
SW
Mostly Clear
Humidity
42%
Feels like
20°F
Dew Point
11°F
2 AM
30°F
0%
14mph
SW
Partly Cloudy
Humidity
43%
Feels like
20°F
Dew Point
11°F
3 AM
29°F
0%
13mph
SW
Partly Cloudy
Humidity
44%
Feels like
19°F
Dew Point
10°F
4 AM
28°F
0%
12mph
SW
Partly Cloudy
Humidity
47%
Feels like
18°F
Dew Point
10°F
5 AM
27°F
0%
11mph
SSW
Partly Cloudy
Humidity
48%
Feels like
17°F
Dew Point
10°F
6 AM
27°F
0%
11mph
SSW
Partly Cloudy
Humidity
50%
Feels like
17°F
Dew Point
11°F
7 AM
28°F
0%
10mph
SSW
Partly Cloudy
Humidity
49%
Feels like
19°F
Dew Point
12°F
8 AM
30°F
0%
10mph
S
Mostly Cloudy
Humidity
48%
Feels like
21°F
Dew Point
13°F
8:10 AM
9 AM
32°F
0%
10mph
S
Mostly Cloudy
Humidity
45%
Feels like
24°F
Dew Point
13°F
10 AM
35°F
0%
11mph
S
Cloudy
Humidity
42%
Feels like
27°F
Dew Point
14°F
11 AM
37°F
0%
11mph
S
Cloudy
Humidity
39%
Feels like
30°F
Dew Point
15°F
12 PM
40°F
10%
12mph
S
Cloudy
Humidity
36%
Feels like
33°F
Dew Point
15°F
1 PM
42°F
10%
12mph
S
Cloudy
Humidity
34%
Feels like
36°F
Dew Point
16°F
2 PM
43°F
10%
12mph
SSW
Cloudy
Humidity
34%
Feels like
37°F
Dew Point
17°F
3 PM
41°F
10%
12mph
S
Cloudy
Humidity
38%
Feels like
35°F
Dew Point
18°F
4 PM
39°F
10%
11mph
S
Cloudy
Humidity
44%
Feels like
32°F
Dew Point
19°F
4:36 PM
5 PM
37°F
10%
11mph
S
Cloudy
Humidity
49%
Feels like
30°F
Dew Point
20°F
6 PM
37°F
10%
10mph
S
Mostly Cloudy
Humidity
51%
Feels like
30°F
Dew Point
21°F
7 PM
37°F
20%
10mph
S
Partly Cloudy
Humidity
53%
Feels like
30°F
Dew Point
22°F
8 PM
37°F
10%
10mph
SSW
Mostly Clear
Humidity
57%
Feels like
30°F
Dew Point
23°F
9 PM
37°F
10%
10mph
SSW
Mostly Clear
Humidity
59%
Feels like
29°F
Dew Point
24°F
10 PM
36°F
10%
11mph
SSW
Mostly Clear
Humidity
61%
Feels like
29°F
Dew Point
24°F
11 PM
36°F
10%
11mph
SSW
Partly Cloudy
Humidity
62%
Feels like
29°F
Dew Point
24°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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