Hourly Weather Forecast - Great Falls, MT

3 PM
21°F
10%
8mph
E
Mostly Sunny
Humidity
70%
Feels like
12°F
Dew Point
13°F
4 PM
21°F
0%
7mph
ESE
Mostly Sunny
Humidity
71%
Feels like
12°F
Dew Point
13°F
4:34 PM
5 PM
22°F
0%
8mph
SSE
Mostly Clear
Humidity
71%
Feels like
12°F
Dew Point
14°F
6 PM
24°F
10%
9mph
SSW
Mostly Clear
Humidity
70%
Feels like
14°F
Dew Point
15°F
7 PM
26°F
10%
11mph
SW
Mostly Clear
Humidity
69%
Feels like
16°F
Dew Point
17°F
8 PM
29°F
0%
12mph
SW
Mostly Clear
Humidity
68%
Feels like
19°F
Dew Point
20°F
9 PM
31°F
0%
13mph
SW
Mostly Clear
Humidity
68%
Feels like
21°F
Dew Point
22°F
10 PM
33°F
0%
14mph
SW
Mostly Clear
Humidity
63%
Feels like
23°F
Dew Point
22°F
11 PM
34°F
0%
15mph
SW
Mostly Clear
Humidity
61%
Feels like
24°F
Dew Point
22°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday A.M.

Snow Spreads Across the Midwest into the Mid-Atlantic

Weekend Weather Outlook

Weekend 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 strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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