Hourly Weather Forecast - Great Falls, MT

12 AM
37°F
20%
11mph
SSW
Partly Cloudy
Humidity
65%
Feels like
29°F
Dew Point
26°F
1 AM
37°F
30%
10mph
SSW
30% Chance Snow Showers
Humidity
66%
Feels like
29°F
Dew Point
26°F
2 AM
36°F
30%
10mph
SSW
30% Chance of Flurries
Humidity
68%
Feels like
29°F
Dew Point
27°F
3 AM
36°F
20%
9mph
SSW
Cloudy
Humidity
69%
Feels like
29°F
Dew Point
27°F
4 AM
36°F
20%
9mph
SW
Cloudy
Humidity
68%
Feels like
29°F
Dew Point
27°F
5 AM
36°F
20%
10mph
SW
Cloudy
Humidity
68%
Feels like
29°F
Dew Point
27°F
6 AM
37°F
20%
10mph
SW
Cloudy
Humidity
68%
Feels like
29°F
Dew Point
27°F
7 AM
37°F
20%
10mph
SW
Cloudy
Humidity
68%
Feels like
30°F
Dew Point
27°F
8 AM
38°F
20%
10mph
SW
Cloudy
Humidity
66%
Feels like
31°F
Dew Point
28°F
8:10 AM
9 AM
40°F
20%
11mph
SW
Cloudy
Humidity
62%
Feels like
33°F
Dew Point
28°F
10 AM
41°F
10%
13mph
SW
Cloudy
Humidity
58%
Feels like
34°F
Dew Point
28°F
11 AM
43°F
10%
14mph
SW
Cloudy
Humidity
54%
Feels like
36°F
Dew Point
27°F
12 PM
44°F
10%
15mph
SW
Cloudy
Humidity
50%
Feels like
37°F
Dew Point
26°F
1 PM
44°F
10%
15mph
WSW
Cloudy
Humidity
48%
Feels like
37°F
Dew Point
25°F
2 PM
43°F
10%
15mph
WSW
Cloudy
Humidity
48%
Feels like
36°F
Dew Point
25°F
3 PM
40°F
10%
14mph
WSW
Cloudy
Humidity
53%
Feels like
32°F
Dew Point
24°F
4 PM
37°F
10%
13mph
WSW
Cloudy
Humidity
59%
Feels like
29°F
Dew Point
24°F
4:37 PM
5 PM
35°F
10%
11mph
WSW
Cloudy
Humidity
64%
Feels like
26°F
Dew Point
24°F
6 PM
34°F
10%
11mph
SW
Cloudy
Humidity
67%
Feels like
26°F
Dew Point
24°F
7 PM
34°F
10%
11mph
SW
Cloudy
Humidity
68%
Feels like
25°F
Dew Point
24°F
8 PM
33°F
10%
11mph
SW
Cloudy
Humidity
70%
Feels like
24°F
Dew Point
24°F
9 PM
31°F
10%
10mph
SW
Cloudy
Humidity
73%
Feels like
23°F
Dew Point
24°F
10 PM
29°F
10%
10mph
SW
Cloudy
Humidity
77%
Feels like
21°F
Dew Point
23°F
11 PM
29°F
10%
10mph
SW
Mostly Cloudy
Humidity
78%
Feels like
20°F
Dew Point
23°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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