Hourly Weather Forecast - Acton, MT

12 AM
34°F
0%
5mph
ENE
Partly Cloudy
Humidity
86%
Feels like
29°F
Dew Point
30°F
1 AM
34°F
0%
5mph
ENE
Partly Cloudy
Humidity
85%
Feels like
29°F
Dew Point
30°F
2 AM
34°F
0%
5mph
ENE
Partly Cloudy
Humidity
85%
Feels like
29°F
Dew Point
30°F
3 AM
34°F
0%
3mph
NE
Partly Cloudy
Humidity
85%
Feels like
31°F
Dew Point
29°F
4 AM
34°F
0%
3mph
N
Mostly Cloudy
Humidity
85%
Feels like
31°F
Dew Point
30°F
5 AM
34°F
0%
4mph
NNW
Mostly Cloudy
Humidity
85%
Feels like
30°F
Dew Point
30°F
6 AM
33°F
10%
4mph
NW
Mostly Cloudy
Humidity
87%
Feels like
30°F
Dew Point
30°F
7 AM
33°F
10%
3mph
W
Partly Cloudy
Humidity
89%
Feels like
30°F
Dew Point
30°F
7:54 AM
8 AM
33°F
0%
4mph
WSW
Partly Cloudy
Humidity
89%
Feels like
30°F
Dew Point
30°F
9 AM
35°F
0%
4mph
WSW
Partly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
31°F
10 AM
37°F
0%
4mph
SW
Partly Cloudy
Humidity
83%
Feels like
34°F
Dew Point
32°F
11 AM
39°F
0%
4mph
SW
Partly Cloudy
Humidity
79%
Feels like
37°F
Dew Point
33°F
12 PM
42°F
0%
3mph
SW
Partly Cloudy
Humidity
75%
Feels like
40°F
Dew Point
34°F
1 PM
44°F
0%
3mph
SSW
Partly Cloudy
Humidity
71%
Feels like
43°F
Dew Point
35°F
2 PM
45°F
0%
3mph
SSW
Mostly Sunny
Humidity
69%
Feels like
45°F
Dew Point
35°F
3 PM
44°F
0%
2mph
SSW
Mostly Sunny
Humidity
71%
Feels like
44°F
Dew Point
35°F
4 PM
41°F
0%
2mph
SSW
Mostly Sunny
Humidity
76%
Feels like
41°F
Dew Point
34°F
4:33 PM
5 PM
39°F
0%
2mph
SSW
Mostly Clear
Humidity
79%
Feels like
39°F
Dew Point
33°F
6 PM
38°F
0%
2mph
SSW
Mostly Clear
Humidity
79%
Feels like
38°F
Dew Point
32°F
7 PM
37°F
0%
2mph
SW
Clear
Humidity
79%
Feels like
37°F
Dew Point
31°F
8 PM
37°F
0%
2mph
SW
Clear
Humidity
78%
Feels like
37°F
Dew Point
31°F
9 PM
37°F
0%
3mph
SW
Clear
Humidity
76%
Feels like
37°F
Dew Point
30°F
10 PM
37°F
0%
3mph
SW
Mostly Clear
Humidity
75%
Feels like
34°F
Dew Point
29°F
11 PM
37°F
0%
4mph
SW
Mostly Clear
Humidity
74%
Feels like
34°F
Dew Point
29°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

White Christmas? What Are The Odds

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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