Hourly Weather Forecast - Harlowton, MT

12 AM
29°F
0%
28mph
W
Windy
Humidity
48%
Feels like
13°F
Dew Point
11°F
1 AM
28°F
0%
26mph
W
Windy
Humidity
49%
Feels like
12°F
Dew Point
11°F
2 AM
26°F
0%
24mph
W
Windy
Humidity
50%
Feels like
12°F
Dew Point
10°F
3 AM
25°F
0%
23mph
W
Windy
Humidity
50%
Feels like
10°F
Dew Point
10°F
4 AM
25°F
0%
22mph
W
Windy
Humidity
52%
Feels like
10°F
Dew Point
10°F
5 AM
24°F
0%
20mph
W
Mostly Clear
Humidity
54%
Feels like
10°F
Dew Point
10°F
6 AM
25°F
0%
19mph
W
Mostly Clear
Humidity
54%
Feels like
11°F
Dew Point
11°F
7 AM
26°F
0%
17mph
W
Mostly Clear
Humidity
53%
Feels like
13°F
Dew Point
11°F
7:58 AM
8 AM
27°F
10%
16mph
W
Partly Cloudy
Humidity
53%
Feels like
15°F
Dew Point
12°F
9 AM
29°F
10%
15mph
WSW
Partly Cloudy
Humidity
52%
Feels like
17°F
Dew Point
13°F
10 AM
30°F
10%
13mph
WSW
Mostly Cloudy
Humidity
50%
Feels like
19°F
Dew Point
13°F
11 AM
30°F
10%
13mph
SW
Cloudy
Humidity
49%
Feels like
20°F
Dew Point
14°F
12 PM
31°F
10%
12mph
SW
Cloudy
Humidity
48%
Feels like
21°F
Dew Point
14°F
1 PM
31°F
10%
12mph
SSW
Mostly Cloudy
Humidity
47%
Feels like
21°F
Dew Point
13°F
2 PM
31°F
10%
12mph
SSW
Mostly Cloudy
Humidity
49%
Feels like
21°F
Dew Point
14°F
3 PM
30°F
10%
12mph
SSW
Mostly Cloudy
Humidity
52%
Feels like
20°F
Dew Point
15°F
4 PM
29°F
10%
12mph
SSW
Mostly Cloudy
Humidity
57%
Feels like
19°F
Dew Point
16°F
4:33 PM
5 PM
29°F
10%
12mph
SSW
Mostly Cloudy
Humidity
63%
Feels like
19°F
Dew Point
18°F
6 PM
29°F
10%
11mph
SSW
Mostly Cloudy
Humidity
63%
Feels like
19°F
Dew Point
18°F
7 PM
30°F
10%
10mph
SSW
Cloudy
Humidity
64%
Feels like
21°F
Dew Point
19°F
8 PM
31°F
10%
10mph
SW
Cloudy
Humidity
61%
Feels like
23°F
Dew Point
19°F
9 PM
33°F
10%
10mph
SW
Cloudy
Humidity
61%
Feels like
25°F
Dew Point
21°F
10 PM
34°F
10%
11mph
SW
Cloudy
Humidity
60%
Feels like
26°F
Dew Point
22°F
11 PM
35°F
10%
12mph
WSW
Cloudy
Humidity
59%
Feels like
27°F
Dew Point
22°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's 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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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