Hourly Weather Forecast - Acton, MT

1 AM
28°F
0%
10mph
SW
Mostly Clear
Humidity
65%
Feels like
19°F
Dew Point
18°F
2 AM
28°F
0%
10mph
SW
Mostly Clear
Humidity
64%
Feels like
19°F
Dew Point
18°F
3 AM
29°F
0%
10mph
SW
Partly Cloudy
Humidity
63%
Feels like
20°F
Dew Point
18°F
4 AM
29°F
0%
10mph
SW
Partly Cloudy
Humidity
62%
Feels like
20°F
Dew Point
17°F
5 AM
29°F
0%
10mph
SW
Mostly Cloudy
Humidity
60%
Feels like
20°F
Dew Point
17°F
6 AM
29°F
0%
9mph
SW
Cloudy
Humidity
59%
Feels like
21°F
Dew Point
17°F
7 AM
30°F
0%
8mph
SW
Cloudy
Humidity
59%
Feels like
22°F
Dew Point
17°F
7:53 AM
8 AM
30°F
10%
7mph
SSW
Cloudy
Humidity
58%
Feels like
23°F
Dew Point
17°F
9 AM
31°F
10%
7mph
SSW
Cloudy
Humidity
57%
Feels like
25°F
Dew Point
18°F
10 AM
33°F
10%
6mph
SSW
Cloudy
Humidity
57%
Feels like
27°F
Dew Point
19°F
11 AM
34°F
20%
5mph
S
Cloudy
Humidity
58%
Feels like
29°F
Dew Point
21°F
12 PM
34°F
40%
3mph
SSE
40% Chance of Light Rain
Humidity
62%
Feels like
32°F
Dew Point
23°F
1 PM
34°F
40%
3mph
ESE
40% Chance of Light Rain
Humidity
69%
Feels like
31°F
Dew Point
25°F
2 PM
34°F
40%
4mph
ENE
40% Chance of Light Rain
Humidity
75%
Feels like
31°F
Dew Point
27°F
3 PM
34°F
30%
3mph
NE
30% Chance of Light Rain
Humidity
79%
Feels like
31°F
Dew Point
28°F
4 PM
33°F
30%
3mph
NNE
30% Chance of Light Rain
Humidity
82%
Feels like
33°F
Dew Point
28°F
4:32 PM
5 PM
33°F
30%
2mph
NNW
30% Chance of Light Rain
Humidity
84%
Feels like
33°F
Dew Point
29°F
6 PM
33°F
30%
2mph
NW
30% Chance of Light Rain
Humidity
85%
Feels like
33°F
Dew Point
29°F
7 PM
32°F
30%
2mph
WNW
30% Chance of Light Rain
Humidity
86%
Feels like
32°F
Dew Point
29°F
8 PM
32°F
30%
3mph
W
30% Chance Freezing Rain
Humidity
87%
Feels like
32°F
Dew Point
29°F
9 PM
32°F
30%
3mph
W
30% Chance Freezing Rain
Humidity
87%
Feels like
29°F
Dew Point
29°F
10 PM
32°F
30%
4mph
W
30% Chance of Light Rain
Humidity
87%
Feels like
29°F
Dew Point
29°F
11 PM
33°F
10%
4mph
WSW
Cloudy
Humidity
86%
Feels like
29°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

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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