Hourly Weather Forecast - Sweet Grass, MT

12 AM
28°F
0%
13mph
WNW
Cloudy
Humidity
58%
Feels like
17°F
Dew Point
15°F
1 AM
28°F
0%
16mph
WNW
Cloudy
Humidity
57%
Feels like
17°F
Dew Point
15°F
2 AM
28°F
10%
19mph
NW
Cloudy
Humidity
58%
Feels like
15°F
Dew Point
15°F
3 AM
28°F
10%
21mph
NW
Windy
Humidity
61%
Feels like
14°F
Dew Point
16°F
4 AM
28°F
30%
23mph
NNW
30% Chance Frozen Mix
Humidity
65%
Feels like
13°F
Dew Point
18°F
5 AM
27°F
30%
26mph
NNW
30% Chance Frozen Mix
Humidity
69%
Feels like
12°F
Dew Point
19°F
6 AM
26°F
30%
25mph
NNW
30 % Chance of Heavy Snow
Humidity
73%
Feels like
11°F
Dew Point
19°F
7 AM
25°F
50%
24mph
NNW
50% Chance of Heavy Snow
Humidity
77%
Feels like
10°F
Dew Point
19°F
8 AM
25°F
40%
23mph
NNW
40% Chance of Heavy Snow
Humidity
78%
Feels like
10°F
Dew Point
19°F
8:12 AM
9 AM
25°F
30%
22mph
NNW
30% Chance of Snow
Humidity
76%
Feels like
10°F
Dew Point
19°F
10 AM
26°F
10%
21mph
NNW
Windy
Humidity
72%
Feels like
11°F
Dew Point
18°F
11 AM
27°F
0%
21mph
NNW
Windy
Humidity
68%
Feels like
13°F
Dew Point
18°F
12 PM
28°F
0%
19mph
NNW
Partly Cloudy
Humidity
64%
Feels like
14°F
Dew Point
17°F
1 PM
29°F
10%
17mph
NW
Partly Cloudy
Humidity
59%
Feels like
17°F
Dew Point
16°F
2 PM
29°F
10%
15mph
NW
Partly Cloudy
Humidity
57%
Feels like
18°F
Dew Point
16°F
3 PM
29°F
10%
13mph
WNW
Partly Cloudy
Humidity
58%
Feels like
19°F
Dew Point
16°F
4 PM
28°F
10%
9mph
WNW
Partly Cloudy
Humidity
62%
Feels like
19°F
Dew Point
17°F
5 PM
27°F
10%
6mph
W
Partly Cloudy
Humidity
65%
Feels like
20°F
Dew Point
17°F
5:06 PM
6 PM
26°F
10%
7mph
WSW
Partly Cloudy
Humidity
67%
Feels like
18°F
Dew Point
16°F
7 PM
24°F
0%
9mph
WSW
Partly Cloudy
Humidity
69%
Feels like
15°F
Dew Point
16°F
8 PM
24°F
0%
10mph
WSW
Partly Cloudy
Humidity
70%
Feels like
14°F
Dew Point
15°F
9 PM
24°F
0%
11mph
W
Partly Cloudy
Humidity
69%
Feels like
13°F
Dew Point
15°F
10 PM
24°F
10%
13mph
WNW
Mostly Cloudy
Humidity
67%
Feels like
13°F
Dew Point
15°F
11 PM
24°F
10%
15mph
WNW
Cloudy
Humidity
65%
Feels like
12°F
Dew Point
14°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

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