Hourly Weather Forecast - Harlem, MT

12 AM
13°F
30%
16mph
NW
30% Chance Frozen Mix
Humidity
77%
Feels like
-3°F
Dew Point
7°F
1 AM
12°F
10%
14mph
NW
Partly Cloudy
Humidity
79%
Feels like
-3°F
Dew Point
7°F
2 AM
12°F
0%
11mph
NW
Partly Cloudy
Humidity
80%
Feels like
-2°F
Dew Point
7°F
3 AM
12°F
0%
7mph
WNW
Partly Cloudy
Humidity
81%
Feels like
1°F
Dew Point
7°F
4 AM
11°F
0%
3mph
WSW
Mostly Clear
Humidity
82%
Feels like
6°F
Dew Point
7°F
5 AM
11°F
0%
4mph
S
Clear
Humidity
82%
Feels like
4°F
Dew Point
7°F
6 AM
11°F
0%
5mph
SSE
Clear
Humidity
82%
Feels like
3°F
Dew Point
7°F
7 AM
11°F
0%
6mph
SE
Clear
Humidity
81%
Feels like
2°F
Dew Point
7°F
8 AM
12°F
0%
7mph
SE
Clear
Humidity
80%
Feels like
2°F
Dew Point
7°F
8:03 AM
9 AM
15°F
0%
8mph
SE
Sunny
Humidity
78%
Feels like
4°F
Dew Point
9°F
10 AM
18°F
0%
8mph
SE
Mostly Sunny
Humidity
76%
Feels like
8°F
Dew Point
11°F
11 AM
21°F
0%
8mph
SE
Mostly Sunny
Humidity
74%
Feels like
11°F
Dew Point
14°F
12 PM
23°F
0%
9mph
SE
Mostly Sunny
Humidity
72%
Feels like
14°F
Dew Point
16°F
1 PM
26°F
0%
9mph
SE
Mostly Sunny
Humidity
70%
Feels like
17°F
Dew Point
17°F
2 PM
27°F
0%
9mph
SE
Mostly Sunny
Humidity
69%
Feels like
19°F
Dew Point
19°F
3 PM
28°F
0%
9mph
SE
Partly Cloudy
Humidity
71%
Feels like
19°F
Dew Point
19°F
4 PM
27°F
0%
9mph
SE
Mostly Cloudy
Humidity
73%
Feels like
18°F
Dew Point
20°F
4:20 PM
5 PM
27°F
30%
9mph
SE
30% Chance of Flurries
Humidity
76%
Feels like
18°F
Dew Point
20°F
6 PM
27°F
30%
9mph
SE
30% Chance of Snow
Humidity
77%
Feels like
18°F
Dew Point
21°F
7 PM
27°F
30%
9mph
SE
30% Chance of Snow
Humidity
79%
Feels like
18°F
Dew Point
21°F
8 PM
27°F
30%
9mph
SE
30 % Chance of Heavy Snow
Humidity
81%
Feels like
18°F
Dew Point
22°F
9 PM
28°F
30%
9mph
SE
30 % Chance of Heavy Snow
Humidity
83%
Feels like
19°F
Dew Point
23°F
10 PM
29°F
30%
9mph
SE
30 % Chance of Heavy Snow
Humidity
85%
Feels like
20°F
Dew Point
25°F
11 PM
29°F
10%
9mph
SE
Cloudy
Humidity
86%
Feels like
21°F
Dew Point
26°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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