Hourly Weather Forecast - Grass Range, MT

12 AM
29°F
20%
9mph
W
Cloudy
Humidity
68%
Feels like
20°F
Dew Point
19°F
1 AM
28°F
20%
9mph
W
Cloudy
Humidity
66%
Feels like
20°F
Dew Point
19°F
2 AM
28°F
20%
9mph
W
Mostly Cloudy
Humidity
65%
Feels like
20°F
Dew Point
18°F
3 AM
28°F
20%
9mph
W
Cloudy
Humidity
65%
Feels like
19°F
Dew Point
18°F
4 AM
28°F
20%
9mph
W
Cloudy
Humidity
66%
Feels like
19°F
Dew Point
18°F
5 AM
28°F
10%
9mph
W
Cloudy
Humidity
66%
Feels like
19°F
Dew Point
18°F
6 AM
27°F
10%
8mph
W
Cloudy
Humidity
66%
Feels like
19°F
Dew Point
17°F
7 AM
27°F
10%
8mph
W
Cloudy
Humidity
67%
Feels like
18°F
Dew Point
17°F
7:57 AM
8 AM
27°F
10%
8mph
W
Cloudy
Humidity
66%
Feels like
19°F
Dew Point
17°F
9 AM
27°F
10%
8mph
W
Cloudy
Humidity
65%
Feels like
19°F
Dew Point
17°F
10 AM
28°F
10%
9mph
W
Cloudy
Humidity
63%
Feels like
19°F
Dew Point
17°F
11 AM
28°F
10%
10mph
W
Cloudy
Humidity
61%
Feels like
19°F
Dew Point
17°F
12 PM
29°F
10%
11mph
W
Cloudy
Humidity
59%
Feels like
20°F
Dew Point
17°F
1 PM
31°F
10%
11mph
W
Mostly Cloudy
Humidity
57%
Feels like
22°F
Dew Point
17°F
2 PM
31°F
10%
11mph
W
Partly Cloudy
Humidity
56%
Feels like
22°F
Dew Point
17°F
3 PM
30°F
10%
10mph
W
Partly Cloudy
Humidity
57%
Feels like
21°F
Dew Point
17°F
4 PM
29°F
10%
9mph
W
Partly Cloudy
Humidity
60%
Feels like
20°F
Dew Point
17°F
4:28 PM
5 PM
28°F
10%
8mph
WSW
Partly Cloudy
Humidity
62%
Feels like
20°F
Dew Point
16°F
6 PM
28°F
10%
9mph
WSW
Mostly Clear
Humidity
60%
Feels like
20°F
Dew Point
16°F
7 PM
29°F
10%
11mph
WSW
Clear
Humidity
57%
Feels like
20°F
Dew Point
16°F
8 PM
30°F
10%
12mph
WSW
Clear
Humidity
55%
Feels like
21°F
Dew Point
16°F
9 PM
31°F
10%
12mph
WSW
Clear
Humidity
55%
Feels like
21°F
Dew Point
16°F
10 PM
31°F
10%
12mph
WSW
Clear
Humidity
55%
Feels like
21°F
Dew Point
17°F
11 PM
31°F
10%
12mph
WSW
Clear
Humidity
56%
Feels like
21°F
Dew Point
17°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide