Hourly Weather Forecast - Great Falls, MT

12 AM
28°F
0%
15mph
WNW
Partly Cloudy
Humidity
49%
Feels like
17°F
Dew Point
11°F
1 AM
27°F
0%
13mph
W
Partly Cloudy
Humidity
52%
Feels like
16°F
Dew Point
11°F
2 AM
26°F
0%
12mph
WSW
Partly Cloudy
Humidity
54%
Feels like
16°F
Dew Point
12°F
3 AM
27°F
0%
12mph
WSW
Partly Cloudy
Humidity
53%
Feels like
16°F
Dew Point
12°F
4 AM
28°F
0%
13mph
SW
Mostly Clear
Humidity
51%
Feels like
18°F
Dew Point
13°F
5 AM
30°F
0%
14mph
SW
Partly Cloudy
Humidity
49%
Feels like
19°F
Dew Point
13°F
6 AM
31°F
0%
15mph
SW
Partly Cloudy
Humidity
49%
Feels like
20°F
Dew Point
14°F
7 AM
31°F
0%
15mph
SW
Partly Cloudy
Humidity
49%
Feels like
21°F
Dew Point
15°F
8 AM
33°F
0%
15mph
SW
Partly Cloudy
Humidity
48%
Feels like
23°F
Dew Point
15°F
8:08 AM
9 AM
35°F
0%
15mph
SW
Cloudy
Humidity
44%
Feels like
25°F
Dew Point
15°F
10 AM
36°F
0%
16mph
SW
Cloudy
Humidity
41%
Feels like
26°F
Dew Point
15°F
11 AM
37°F
0%
16mph
SW
Mostly Cloudy
Humidity
38%
Feels like
28°F
Dew Point
14°F
12 PM
38°F
0%
17mph
SW
Mostly Cloudy
Humidity
35%
Feels like
29°F
Dew Point
13°F
1 PM
38°F
10%
17mph
SSW
Partly Cloudy
Humidity
34%
Feels like
29°F
Dew Point
13°F
2 PM
38°F
10%
17mph
SSW
Partly Cloudy
Humidity
35%
Feels like
29°F
Dew Point
13°F
3 PM
38°F
10%
17mph
SSW
Mostly Cloudy
Humidity
37%
Feels like
28°F
Dew Point
14°F
4 PM
37°F
10%
17mph
SSW
Mostly Cloudy
Humidity
40%
Feels like
27°F
Dew Point
15°F
4:35 PM
5 PM
37°F
10%
16mph
SSW
Cloudy
Humidity
43%
Feels like
27°F
Dew Point
16°F
6 PM
38°F
10%
17mph
SSW
Cloudy
Humidity
45%
Feels like
28°F
Dew Point
18°F
7 PM
39°F
10%
18mph
SSW
Cloudy
Humidity
47%
Feels like
29°F
Dew Point
20°F
8 PM
39°F
10%
20mph
SSW
Cloudy
Humidity
51%
Feels like
30°F
Dew Point
23°F
9 PM
40°F
10%
23mph
SW
Windy
Humidity
54%
Feels like
30°F
Dew Point
25°F
10 PM
41°F
10%
25mph
SW
Windy
Humidity
56%
Feels like
31°F
Dew Point
27°F
11 PM
43°F
10%
28mph
SW
Windy
Humidity
57%
Feels like
33°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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