Hourly Weather Forecast - Grass Range, MT

12 AM
31°F
10%
12mph
WSW
Clear
Humidity
55%
Feels like
21°F
Dew Point
17°F
1 AM
31°F
10%
12mph
WSW
Clear
Humidity
55%
Feels like
21°F
Dew Point
16°F
2 AM
31°F
10%
12mph
WSW
Clear
Humidity
54%
Feels like
21°F
Dew Point
16°F
3 AM
31°F
10%
12mph
WSW
Mostly Clear
Humidity
54%
Feels like
21°F
Dew Point
16°F
4 AM
31°F
10%
11mph
WSW
Mostly Clear
Humidity
55%
Feels like
21°F
Dew Point
16°F
5 AM
30°F
10%
11mph
W
Mostly Clear
Humidity
55%
Feels like
21°F
Dew Point
16°F
6 AM
30°F
10%
11mph
WSW
Mostly Clear
Humidity
56%
Feels like
21°F
Dew Point
16°F
7 AM
29°F
10%
10mph
WSW
Clear
Humidity
57%
Feels like
20°F
Dew Point
16°F
7:58 AM
8 AM
29°F
0%
10mph
WSW
Sunny
Humidity
57%
Feels like
20°F
Dew Point
16°F
9 AM
30°F
10%
9mph
SW
Sunny
Humidity
55%
Feels like
22°F
Dew Point
16°F
10 AM
32°F
10%
9mph
SW
Sunny
Humidity
52%
Feels like
24°F
Dew Point
16°F
11 AM
33°F
10%
8mph
SW
Sunny
Humidity
50%
Feels like
26°F
Dew Point
17°F
12 PM
35°F
10%
8mph
SW
Sunny
Humidity
48%
Feels like
28°F
Dew Point
17°F
1 PM
35°F
10%
8mph
WSW
Sunny
Humidity
48%
Feels like
29°F
Dew Point
18°F
2 PM
35°F
10%
8mph
WSW
Sunny
Humidity
49%
Feels like
29°F
Dew Point
18°F
3 PM
34°F
10%
7mph
SW
Sunny
Humidity
53%
Feels like
28°F
Dew Point
19°F
4 PM
32°F
20%
6mph
SW
Sunny
Humidity
59%
Feels like
26°F
Dew Point
19°F
4:29 PM
5 PM
30°F
20%
5mph
SSW
Clear
Humidity
64%
Feels like
25°F
Dew Point
20°F
6 PM
30°F
30%
5mph
SSW
30% Chance Snow Showers
Humidity
66%
Feels like
24°F
Dew Point
20°F
7 PM
29°F
30%
6mph
SSW
30% Chance Snow Showers
Humidity
65%
Feels like
23°F
Dew Point
19°F
8 PM
29°F
30%
6mph
SSW
30% Chance Snow Showers
Humidity
65%
Feels like
23°F
Dew Point
19°F
9 PM
29°F
30%
6mph
SSW
30% Chance Snow Showers
Humidity
65%
Feels like
23°F
Dew Point
19°F
10 PM
29°F
30%
6mph
SSW
30% Chance Snow Showers
Humidity
65%
Feels like
22°F
Dew Point
19°F
11 PM
29°F
30%
6mph
SW
30% Chance Snow Showers
Humidity
65%
Feels like
22°F
Dew Point
19°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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