Hourly Weather Forecast - Great Falls, MT

12 AM
23°F
30%
10mph
NW
30% Chance of Flurries
Humidity
73%
Feels like
12°F
Dew Point
16°F
1 AM
24°F
30%
10mph
WNW
30% Chance of Flurries
Humidity
70%
Feels like
14°F
Dew Point
16°F
2 AM
25°F
30%
10mph
WNW
30% Chance of Snow
Humidity
70%
Feels like
15°F
Dew Point
17°F
3 AM
26°F
30%
10mph
WNW
30% Chance of Snow
Humidity
68%
Feels like
16°F
Dew Point
17°F
4 AM
27°F
30%
9mph
WNW
30% Chance of Snow
Humidity
68%
Feels like
18°F
Dew Point
18°F
5 AM
28°F
30%
9mph
NW
30% Chance of Snow
Humidity
68%
Feels like
19°F
Dew Point
18°F
6 AM
28°F
30%
9mph
NW
30% Chance of Snow
Humidity
69%
Feels like
19°F
Dew Point
19°F
7 AM
28°F
30%
9mph
NW
30% Chance Snow Showers
Humidity
71%
Feels like
19°F
Dew Point
19°F
8 AM
28°F
30%
9mph
NW
30% Chance Snow Showers
Humidity
77%
Feels like
20°F
Dew Point
22°F
8:12 AM
9 AM
30°F
10%
9mph
WNW
Partly Cloudy
Humidity
77%
Feels like
21°F
Dew Point
23°F
10 AM
32°F
10%
9mph
W
Partly Cloudy
Humidity
69%
Feels like
24°F
Dew Point
23°F
11 AM
34°F
10%
9mph
W
Partly Cloudy
Humidity
57%
Feels like
27°F
Dew Point
21°F
12 PM
37°F
10%
9mph
SW
Mostly Cloudy
Humidity
52%
Feels like
30°F
Dew Point
21°F
1 PM
40°F
10%
10mph
SSE
Mostly Cloudy
Humidity
47%
Feels like
33°F
Dew Point
21°F
2 PM
41°F
10%
10mph
SE
Cloudy
Humidity
44%
Feels like
35°F
Dew Point
20°F
3 PM
39°F
10%
10mph
SE
Cloudy
Humidity
47%
Feels like
33°F
Dew Point
20°F
4 PM
36°F
10%
9mph
SE
Cloudy
Humidity
54%
Feels like
29°F
Dew Point
21°F
4:39 PM
5 PM
34°F
10%
9mph
SE
Cloudy
Humidity
62%
Feels like
27°F
Dew Point
22°F
6 PM
33°F
10%
9mph
SE
Cloudy
Humidity
65%
Feels like
26°F
Dew Point
23°F
7 PM
33°F
10%
9mph
SE
Cloudy
Humidity
68%
Feels like
26°F
Dew Point
24°F
8 PM
31°F
10%
8mph
SSE
Cloudy
Humidity
72%
Feels like
24°F
Dew Point
23°F
9 PM
30°F
10%
8mph
SSE
Cloudy
Humidity
74%
Feels like
22°F
Dew Point
22°F
10 PM
28°F
10%
8mph
S
Cloudy
Humidity
77%
Feels like
20°F
Dew Point
22°F
11 PM
28°F
10%
8mph
SSW
Cloudy
Humidity
77%
Feels like
20°F
Dew Point
22°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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