Hourly Weather Forecast - Harlowton, MT

1 AM
23°F
0%
14mph
W
Clear
Humidity
66%
Feels like
11°F
Dew Point
13°F
2 AM
24°F
0%
14mph
W
Clear
Humidity
62%
Feels like
12°F
Dew Point
13°F
3 AM
25°F
0%
14mph
W
Mostly Clear
Humidity
59%
Feels like
13°F
Dew Point
12°F
4 AM
26°F
0%
14mph
W
Partly Cloudy
Humidity
59%
Feels like
14°F
Dew Point
13°F
5 AM
27°F
0%
15mph
W
Mostly Cloudy
Humidity
58%
Feels like
16°F
Dew Point
15°F
6 AM
29°F
0%
15mph
W
Mostly Cloudy
Humidity
58%
Feels like
18°F
Dew Point
16°F
7 AM
31°F
0%
15mph
W
Partly Cloudy
Humidity
58%
Feels like
20°F
Dew Point
18°F
7:55 AM
8 AM
33°F
0%
15mph
W
Partly Cloudy
Humidity
59%
Feels like
23°F
Dew Point
20°F
9 AM
35°F
0%
14mph
W
Mostly Cloudy
Humidity
62%
Feels like
26°F
Dew Point
23°F
10 AM
37°F
0%
13mph
W
Partly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
26°F
11 AM
38°F
0%
14mph
WNW
Partly Cloudy
Humidity
63%
Feels like
29°F
Dew Point
26°F
12 PM
38°F
0%
14mph
WNW
Partly Cloudy
Humidity
61%
Feels like
30°F
Dew Point
26°F
1 PM
39°F
0%
15mph
WNW
Partly Cloudy
Humidity
58%
Feels like
31°F
Dew Point
25°F
2 PM
39°F
0%
15mph
W
Partly Cloudy
Humidity
57%
Feels like
31°F
Dew Point
25°F
3 PM
39°F
0%
15mph
W
Partly Cloudy
Humidity
57%
Feels like
30°F
Dew Point
25°F
4 PM
38°F
0%
15mph
W
Partly Cloudy
Humidity
58%
Feels like
29°F
Dew Point
24°F
4:32 PM
5 PM
37°F
0%
15mph
W
Partly Cloudy
Humidity
58%
Feels like
28°F
Dew Point
23°F
6 PM
36°F
0%
15mph
W
Partly Cloudy
Humidity
57%
Feels like
27°F
Dew Point
22°F
7 PM
35°F
0%
16mph
W
Partly Cloudy
Humidity
59%
Feels like
26°F
Dew Point
23°F
8 PM
35°F
0%
16mph
W
Partly Cloudy
Humidity
59%
Feels like
25°F
Dew Point
22°F
9 PM
35°F
0%
17mph
W
Partly Cloudy
Humidity
59%
Feels like
24°F
Dew Point
22°F
10 PM
35°F
0%
17mph
W
Partly Cloudy
Humidity
59%
Feels like
24°F
Dew Point
22°F
11 PM
34°F
0%
18mph
W
Mostly Clear
Humidity
58%
Feels like
24°F
Dew Point
21°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

Weekend Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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