Hourly Weather Forecast - Sweet Grass, MT

12 AM
42°F
0%
36mph
WSW
Windy
Humidity
68%
Feels like
31°F
Dew Point
32°F
1 AM
41°F
0%
36mph
WSW
Windy
Humidity
66%
Feels like
29°F
Dew Point
31°F
2 AM
40°F
0%
33mph
W
Windy
Humidity
64%
Feels like
29°F
Dew Point
29°F
3 AM
40°F
0%
30mph
W
Windy
Humidity
63%
Feels like
28°F
Dew Point
28°F
4 AM
38°F
0%
28mph
W
Windy
Humidity
62%
Feels like
27°F
Dew Point
26°F
5 AM
37°F
0%
26mph
W
Windy
Humidity
61%
Feels like
26°F
Dew Point
25°F
6 AM
36°F
0%
24mph
W
Windy
Humidity
62%
Feels like
24°F
Dew Point
24°F
7 AM
35°F
0%
21mph
W
Windy
Humidity
62%
Feels like
24°F
Dew Point
24°F
8 AM
35°F
0%
21mph
W
Windy
Humidity
62%
Feels like
23°F
Dew Point
23°F
8:16 AM
9 AM
35°F
0%
19mph
W
Partly Cloudy
Humidity
62%
Feels like
24°F
Dew Point
23°F
10 AM
35°F
0%
18mph
WSW
Mostly Cloudy
Humidity
62%
Feels like
25°F
Dew Point
24°F
11 AM
36°F
0%
17mph
WSW
Cloudy
Humidity
61%
Feels like
26°F
Dew Point
24°F
12 PM
37°F
0%
19mph
WSW
Cloudy
Humidity
60%
Feels like
27°F
Dew Point
24°F
1 PM
37°F
10%
20mph
WSW
Cloudy
Humidity
60%
Feels like
27°F
Dew Point
25°F
2 PM
37°F
10%
20mph
WSW
Cloudy
Humidity
61%
Feels like
27°F
Dew Point
25°F
3 PM
37°F
0%
20mph
WSW
Mostly Cloudy
Humidity
63%
Feels like
26°F
Dew Point
26°F
4 PM
37°F
0%
19mph
WSW
Partly Cloudy
Humidity
65%
Feels like
26°F
Dew Point
26°F
4:31 PM
5 PM
37°F
0%
18mph
WSW
Partly Cloudy
Humidity
66%
Feels like
27°F
Dew Point
26°F
6 PM
37°F
0%
19mph
WSW
Partly Cloudy
Humidity
67%
Feels like
27°F
Dew Point
27°F
7 PM
37°F
0%
19mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
27°F
Dew Point
28°F
8 PM
38°F
0%
19mph
WSW
Mostly Cloudy
Humidity
69%
Feels like
28°F
Dew Point
28°F
9 PM
38°F
0%
19mph
WSW
Mostly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
29°F
10 PM
38°F
0%
20mph
SW
Windy
Humidity
72%
Feels like
28°F
Dew Point
30°F
11 PM
38°F
0%
21mph
SW
Windy
Humidity
74%
Feels like
27°F
Dew Point
30°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

Monday's Weather Outlook

Monday'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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