Hourly Weather Forecast - Great Falls, MT

12 AM
45°F
10%
29mph
SW
Windy
Humidity
55%
Feels like
35°F
Dew Point
30°F
1 AM
46°F
10%
30mph
SW
Windy
Humidity
54%
Feels like
37°F
Dew Point
30°F
2 AM
48°F
30%
30mph
SW
30% Chance of Light Rain
Humidity
52%
Feels like
39°F
Dew Point
31°F
3 AM
49°F
30%
30mph
SW
30% Chance Rain Showers
Humidity
49%
Feels like
40°F
Dew Point
31°F
4 AM
49°F
30%
30mph
SW
30% Chance Rain Showers
Humidity
50%
Feels like
40°F
Dew Point
31°F
5 AM
48°F
20%
29mph
WSW
Windy
Humidity
52%
Feels like
39°F
Dew Point
31°F
6 AM
47°F
10%
28mph
WSW
Windy
Humidity
55%
Feels like
38°F
Dew Point
32°F
7 AM
46°F
10%
27mph
WSW
Windy
Humidity
57%
Feels like
38°F
Dew Point
32°F
8 AM
47°F
10%
25mph
WSW
Windy
Humidity
56%
Feels like
38°F
Dew Point
32°F
8:09 AM
9 AM
47°F
10%
24mph
WSW
Windy
Humidity
52%
Feels like
39°F
Dew Point
30°F
10 AM
47°F
20%
25mph
WSW
Windy
Humidity
47%
Feels like
38°F
Dew Point
28°F
11 AM
46°F
10%
25mph
W
Windy
Humidity
42%
Feels like
37°F
Dew Point
24°F
12 PM
45°F
10%
25mph
W
Windy
Humidity
37%
Feels like
36°F
Dew Point
20°F
1 PM
43°F
10%
25mph
W
Windy
Humidity
34%
Feels like
33°F
Dew Point
16°F
2 PM
41°F
10%
25mph
W
Windy
Humidity
31%
Feels like
31°F
Dew Point
13°F
3 PM
39°F
10%
23mph
W
Windy
Humidity
30%
Feels like
28°F
Dew Point
10°F
4 PM
36°F
10%
21mph
W
Windy
Humidity
30%
Feels like
25°F
Dew Point
8°F
4:35 PM
5 PM
34°F
0%
19mph
W
Mostly Clear
Humidity
31%
Feels like
23°F
Dew Point
7°F
6 PM
33°F
0%
18mph
W
Mostly Clear
Humidity
32%
Feels like
22°F
Dew Point
6°F
7 PM
32°F
0%
17mph
W
Clear
Humidity
32%
Feels like
21°F
Dew Point
6°F
8 PM
32°F
0%
17mph
W
Clear
Humidity
33%
Feels like
20°F
Dew Point
6°F
9 PM
31°F
0%
17mph
WSW
Clear
Humidity
34%
Feels like
19°F
Dew Point
6°F
10 PM
30°F
0%
18mph
WSW
Clear
Humidity
36%
Feels like
18°F
Dew Point
6°F
11 PM
29°F
0%
18mph
WSW
Clear
Humidity
37%
Feels like
17°F
Dew Point
7°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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