Hourly Weather Forecast - Acton, MT

12 AM
30°F
10%
1mph
SSE
Mostly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
24°F
1 AM
31°F
10%
4mph
WSW
Cloudy
Humidity
77%
Feels like
26°F
Dew Point
24°F
2 AM
31°F
10%
8mph
W
Cloudy
Humidity
76%
Feels like
24°F
Dew Point
24°F
3 AM
31°F
20%
9mph
WSW
Mostly Cloudy
Humidity
76%
Feels like
23°F
Dew Point
24°F
4 AM
31°F
20%
9mph
WSW
Partly Cloudy
Humidity
76%
Feels like
23°F
Dew Point
24°F
5 AM
31°F
30%
9mph
SW
30% Chance of Snow
Humidity
76%
Feels like
23°F
Dew Point
24°F
6 AM
31°F
30%
10mph
WSW
30% Chance of Snow
Humidity
76%
Feels like
23°F
Dew Point
24°F
7 AM
31°F
30%
11mph
WSW
30 % Chance of Heavy Snow
Humidity
76%
Feels like
23°F
Dew Point
25°F
7:55 AM
8 AM
32°F
30%
11mph
WSW
30% Chance of Snow
Humidity
75%
Feels like
23°F
Dew Point
25°F
9 AM
34°F
30%
11mph
WSW
30% Chance Snow Showers
Humidity
72%
Feels like
25°F
Dew Point
26°F
10 AM
36°F
30%
11mph
SW
30% Chance Rain Showers
Humidity
69%
Feels like
28°F
Dew Point
27°F
11 AM
38°F
30%
12mph
SW
30% Chance Rain Showers
Humidity
66%
Feels like
30°F
Dew Point
28°F
12 PM
40°F
30%
12mph
SW
30% Chance Rain Showers
Humidity
62%
Feels like
33°F
Dew Point
28°F
1 PM
41°F
30%
12mph
WSW
30% Chance Rain Showers
Humidity
58%
Feels like
35°F
Dew Point
28°F
2 PM
42°F
30%
12mph
WSW
30% Chance Rain Showers
Humidity
56%
Feels like
36°F
Dew Point
28°F
3 PM
41°F
30%
10mph
WSW
30% Chance Rain Showers
Humidity
57%
Feels like
35°F
Dew Point
27°F
4 PM
40°F
10%
9mph
WSW
Partly Cloudy
Humidity
60%
Feels like
34°F
Dew Point
27°F
4:35 PM
5 PM
38°F
10%
8mph
WSW
Mostly Clear
Humidity
62%
Feels like
32°F
Dew Point
26°F
6 PM
37°F
10%
8mph
WSW
Mostly Clear
Humidity
63%
Feels like
31°F
Dew Point
26°F
7 PM
36°F
10%
8mph
WSW
Partly Cloudy
Humidity
63%
Feels like
30°F
Dew Point
25°F
8 PM
36°F
20%
9mph
WSW
Mostly Cloudy
Humidity
63%
Feels like
29°F
Dew Point
24°F
9 PM
36°F
20%
10mph
W
Mostly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
24°F
10 PM
36°F
20%
12mph
W
Cloudy
Humidity
60%
Feels like
28°F
Dew Point
24°F
11 PM
36°F
20%
13mph
W
Cloudy
Humidity
59%
Feels like
27°F
Dew Point
23°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

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

NOAA, NCDC

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Today's Weather Outlook

Today'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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