Hourly Weather Forecast - Great Falls, MT

12 AM
30°F
10%
9mph
SSW
Cloudy
Humidity
74%
Feels like
22°F
Dew Point
22°F
1 AM
32°F
10%
10mph
SSW
Cloudy
Humidity
71%
Feels like
23°F
Dew Point
23°F
2 AM
34°F
10%
11mph
SW
Cloudy
Humidity
67%
Feels like
25°F
Dew Point
24°F
3 AM
35°F
10%
12mph
SW
Partly Cloudy
Humidity
65%
Feels like
26°F
Dew Point
24°F
4 AM
36°F
10%
13mph
SW
Mostly Clear
Humidity
64%
Feels like
27°F
Dew Point
25°F
5 AM
36°F
10%
14mph
SW
Mostly Clear
Humidity
62%
Feels like
27°F
Dew Point
25°F
6 AM
37°F
10%
15mph
SW
Mostly Clear
Humidity
59%
Feels like
27°F
Dew Point
24°F
7 AM
37°F
10%
15mph
SW
Partly Cloudy
Humidity
58%
Feels like
28°F
Dew Point
24°F
8 AM
39°F
10%
16mph
SW
Cloudy
Humidity
58%
Feels like
30°F
Dew Point
25°F
8:12 AM
9 AM
41°F
10%
17mph
SW
Cloudy
Humidity
56%
Feels like
32°F
Dew Point
26°F
10 AM
43°F
10%
18mph
SW
Cloudy
Humidity
50%
Feels like
35°F
Dew Point
25°F
11 AM
44°F
10%
19mph
SW
Cloudy
Humidity
45%
Feels like
36°F
Dew Point
24°F
12 PM
46°F
10%
21mph
SW
Windy
Humidity
42%
Feels like
37°F
Dew Point
24°F
1 PM
46°F
10%
23mph
SW
Windy
Humidity
40%
Feels like
38°F
Dew Point
23°F
2 PM
45°F
10%
23mph
SW
Windy
Humidity
40%
Feels like
37°F
Dew Point
23°F
3 PM
43°F
10%
22mph
SW
Windy
Humidity
44%
Feels like
34°F
Dew Point
23°F
4 PM
42°F
10%
20mph
SW
Cloudy
Humidity
46%
Feels like
34°F
Dew Point
23°F
4:39 PM
5 PM
42°F
10%
18mph
SW
Cloudy
Humidity
49%
Feels like
34°F
Dew Point
25°F
6 PM
42°F
10%
17mph
SW
Mostly Cloudy
Humidity
49%
Feels like
34°F
Dew Point
25°F
7 PM
40°F
10%
17mph
SW
Mostly Cloudy
Humidity
52%
Feels like
32°F
Dew Point
24°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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