Hourly Weather Forecast - Grantsdale, MT

4 PM
42°F
10%
5mph
S
Cloudy
Humidity
65%
Feels like
38°F
Dew Point
31°F
4:50 PM
5 PM
41°F
10%
5mph
S
Cloudy
Humidity
67%
Feels like
38°F
Dew Point
31°F
6 PM
40°F
10%
5mph
S
Cloudy
Humidity
69%
Feels like
37°F
Dew Point
31°F
7 PM
40°F
10%
5mph
S
Cloudy
Humidity
71%
Feels like
37°F
Dew Point
31°F
8 PM
40°F
20%
5mph
SSE
Cloudy
Humidity
73%
Feels like
36°F
Dew Point
32°F
9 PM
39°F
30%
5mph
SSE
30% Chance of Light Rain
Humidity
75%
Feels like
36°F
Dew Point
32°F
10 PM
39°F
50%
5mph
SSE
50% Chance of Light Rain
Humidity
78%
Feels like
36°F
Dew Point
33°F
11 PM
39°F
60%
5mph
SSE
60% Chance of Light Rain
Humidity
80%
Feels like
35°F
Dew Point
33°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide