Hourly Weather Forecast - Grantsdale, MT

12 AM
38°F
50%
3mph
S
50% Chance of Light Rain
Humidity
75%
Feels like
36°F
Dew Point
31°F
1 AM
38°F
40%
3mph
SSE
40% Chance of Light Rain
Humidity
79%
Feels like
36°F
Dew Point
32°F
2 AM
38°F
40%
3mph
SSE
40% Chance of Light Rain
Humidity
80%
Feels like
35°F
Dew Point
32°F
3 AM
38°F
30%
3mph
SSE
30% Chance of Snow
Humidity
79%
Feels like
35°F
Dew Point
32°F
4 AM
37°F
30%
4mph
S
30% Chance of Snow
Humidity
80%
Feels like
35°F
Dew Point
32°F
5 AM
36°F
30%
4mph
S
30% Chance Snow Showers
Humidity
84%
Feels like
33°F
Dew Point
32°F
6 AM
35°F
30%
4mph
S
30% Chance Snow Showers
Humidity
90%
Feels like
31°F
Dew Point
32°F
7 AM
34°F
30%
4mph
S
30% Chance of Flurries
Humidity
91%
Feels like
31°F
Dew Point
32°F
8 AM
35°F
30%
4mph
S
30% Chance Snow Showers
Humidity
88%
Feels like
31°F
Dew Point
31°F
8:17 AM
9 AM
36°F
30%
4mph
S
30% Chance of Light Rain
Humidity
82%
Feels like
33°F
Dew Point
31°F
10 AM
37°F
30%
4mph
S
30% Chance of Light Rain
Humidity
79%
Feels like
34°F
Dew Point
31°F
11 AM
38°F
30%
4mph
S
30% Chance of Light Rain
Humidity
76%
Feels like
35°F
Dew Point
31°F

Forecast Peak Wind Gusts Today

Clipper System Blasts Central, Eastern U.S. With Winter Impacts

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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