Hourly Weather Forecast - Grass Range, MT

6 AM
54°F
0%
27mph
WNW
Windy
Humidity
41%
Feels like
54°F
Dew Point
31°F
7 AM
51°F
10%
25mph
WNW
Windy
Humidity
42%
Feels like
51°F
Dew Point
29°F
7:55 AM
8 AM
49°F
10%
23mph
WNW
Windy
Humidity
43%
Feels like
42°F
Dew Point
28°F
9 AM
49°F
0%
21mph
WNW
Windy
Humidity
43%
Feels like
42°F
Dew Point
28°F
10 AM
49°F
0%
20mph
WNW
Partly Cloudy
Humidity
43%
Feels like
42°F
Dew Point
28°F
11 AM
49°F
0%
19mph
WNW
Partly Cloudy
Humidity
43%
Feels like
42°F
Dew Point
27°F
12 PM
49°F
0%
19mph
WNW
Mostly Sunny
Humidity
42%
Feels like
42°F
Dew Point
27°F
1 PM
49°F
0%
19mph
WNW
Partly Cloudy
Humidity
41%
Feels like
42°F
Dew Point
26°F
2 PM
48°F
0%
17mph
WNW
Partly Cloudy
Humidity
42%
Feels like
42°F
Dew Point
26°F
3 PM
46°F
0%
14mph
WNW
Partly Cloudy
Humidity
45%
Feels like
40°F
Dew Point
26°F
4 PM
44°F
0%
10mph
W
Partly Cloudy
Humidity
50%
Feels like
38°F
Dew Point
26°F
4:27 PM
5 PM
42°F
10%
10mph
W
Partly Cloudy
Humidity
54%
Feels like
36°F
Dew Point
26°F
6 PM
41°F
10%
10mph
WSW
Mostly Cloudy
Humidity
57%
Feels like
34°F
Dew Point
26°F
7 PM
41°F
10%
11mph
WSW
Partly Cloudy
Humidity
55%
Feels like
35°F
Dew Point
27°F
8 PM
42°F
10%
11mph
WSW
Partly Cloudy
Humidity
55%
Feels like
35°F
Dew Point
27°F
9 PM
42°F
0%
13mph
WSW
Partly Cloudy
Humidity
55%
Feels like
35°F
Dew Point
27°F
10 PM
42°F
0%
13mph
WSW
Clear
Humidity
55%
Feels like
35°F
Dew Point
27°F
11 PM
43°F
0%
13mph
WSW
Clear
Humidity
54%
Feels like
36°F
Dew Point
28°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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