Hourly Weather Forecast - Grass Range, MT

12 AM
31°F
10%
7mph
SW
Mostly Clear
Humidity
68%
Feels like
24°F
Dew Point
21°F
1 AM
31°F
20%
7mph
SW
Clear
Humidity
67%
Feels like
24°F
Dew Point
21°F
2 AM
31°F
20%
8mph
SW
Clear
Humidity
66%
Feels like
24°F
Dew Point
21°F
3 AM
32°F
20%
8mph
SW
Clear
Humidity
66%
Feels like
25°F
Dew Point
22°F
4 AM
33°F
20%
8mph
SW
Clear
Humidity
65%
Feels like
26°F
Dew Point
22°F
5 AM
34°F
20%
9mph
SW
Clear
Humidity
65%
Feels like
27°F
Dew Point
23°F
6 AM
34°F
30%
8mph
SW
30% Chance Frozen Mix
Humidity
66%
Feels like
27°F
Dew Point
24°F
7 AM
34°F
30%
8mph
SW
30% Chance Frozen Mix
Humidity
67%
Feels like
27°F
Dew Point
24°F
7:58 AM
8 AM
35°F
30%
7mph
SW
30% Chance Frozen Mix
Humidity
67%
Feels like
28°F
Dew Point
25°F
9 AM
36°F
30%
7mph
SW
30% Chance Frozen Mix
Humidity
66%
Feels like
30°F
Dew Point
26°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday'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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