Hourly Weather Forecast - Sweet Grass, MT

7 AM
38°F
0%
14mph
SSW
Partly Cloudy
Humidity
50%
Feels like
29°F
Dew Point
20°F
8 AM
36°F
0%
14mph
SSW
Partly Cloudy
Humidity
52%
Feels like
27°F
Dew Point
20°F
8:14 AM
9 AM
37°F
0%
13mph
SSW
Partly Cloudy
Humidity
52%
Feels like
28°F
Dew Point
21°F
10 AM
38°F
0%
13mph
SSW
Partly Cloudy
Humidity
51%
Feels like
31°F
Dew Point
22°F
11 AM
40°F
0%
13mph
SSW
Partly Cloudy
Humidity
50%
Feels like
33°F
Dew Point
23°F
12 PM
41°F
0%
13mph
SSW
Mostly Cloudy
Humidity
52%
Feels like
34°F
Dew Point
25°F
1 PM
41°F
0%
13mph
SSW
Partly Cloudy
Humidity
54%
Feels like
34°F
Dew Point
26°F
2 PM
40°F
0%
13mph
SSW
Partly Cloudy
Humidity
58%
Feels like
32°F
Dew Point
26°F
3 PM
38°F
0%
12mph
SSW
Partly Cloudy
Humidity
61%
Feels like
31°F
Dew Point
26°F
4 PM
37°F
0%
12mph
SSW
Partly Cloudy
Humidity
66%
Feels like
29°F
Dew Point
26°F
4:30 PM
5 PM
35°F
0%
12mph
SW
Partly Cloudy
Humidity
69%
Feels like
27°F
Dew Point
26°F
6 PM
35°F
0%
13mph
SW
Partly Cloudy
Humidity
71%
Feels like
26°F
Dew Point
27°F
7 PM
37°F
0%
14mph
SW
Mostly Cloudy
Humidity
68%
Feels like
28°F
Dew Point
27°F
8 PM
37°F
0%
15mph
SW
Mostly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
27°F
9 PM
38°F
0%
15mph
SW
Mostly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
28°F
10 PM
38°F
0%
17mph
SW
Partly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
28°F
11 PM
38°F
0%
17mph
WSW
Mostly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
29°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

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

Cold Air Damming - Cause And Effects

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