Hourly Weather Forecast - Sweet Grass, MT

12 AM
41°F
0%
10mph
SW
Cloudy
Humidity
41%
Feels like
34°F
Dew Point
19°F
1 AM
40°F
0%
11mph
SW
Cloudy
Humidity
43%
Feels like
34°F
Dew Point
20°F
2 AM
39°F
0%
11mph
WSW
Cloudy
Humidity
46%
Feels like
32°F
Dew Point
20°F
3 AM
37°F
0%
11mph
WSW
Cloudy
Humidity
50%
Feels like
30°F
Dew Point
20°F
4 AM
36°F
0%
10mph
W
Cloudy
Humidity
54%
Feels like
28°F
Dew Point
20°F
5 AM
34°F
0%
11mph
NW
Cloudy
Humidity
57%
Feels like
26°F
Dew Point
20°F
6 AM
32°F
0%
13mph
NW
Cloudy
Humidity
61%
Feels like
22°F
Dew Point
20°F
7 AM
29°F
0%
15mph
NNW
Cloudy
Humidity
66%
Feels like
19°F
Dew Point
20°F
7:22 AM
8 AM
28°F
0%
15mph
NNW
Cloudy
Humidity
71%
Feels like
16°F
Dew Point
20°F
9 AM
27°F
0%
14mph
NNW
Cloudy
Humidity
69%
Feels like
16°F
Dew Point
19°F
10 AM
28°F
10%
13mph
NNW
Cloudy
Humidity
67%
Feels like
17°F
Dew Point
18°F
11 AM
29°F
10%
13mph
N
Cloudy
Humidity
63%
Feels like
19°F
Dew Point
18°F
12 PM
31°F
10%
11mph
N
Cloudy
Humidity
59%
Feels like
22°F
Dew Point
18°F
1 PM
33°F
20%
8mph
NNE
Cloudy
Humidity
57%
Feels like
25°F
Dew Point
19°F
2 PM
34°F
20%
8mph
E
Cloudy
Humidity
54%
Feels like
28°F
Dew Point
20°F
3 PM
35°F
20%
11mph
ESE
Cloudy
Humidity
54%
Feels like
27°F
Dew Point
20°F
4 PM
36°F
30%
12mph
ESE
30% Chance of Light Rain
Humidity
55%
Feels like
28°F
Dew Point
21°F
5 PM
37°F
30%
13mph
SE
30% Chance of Light Rain
Humidity
55%
Feels like
28°F
Dew Point
22°F
6 PM
37°F
30%
12mph
SE
30% Chance of Light Rain
Humidity
59%
Feels like
29°F
Dew Point
24°F
7 PM
37°F
20%
13mph
SSE
Cloudy
Humidity
61%
Feels like
28°F
Dew Point
25°F
7:46 PM
8 PM
36°F
20%
15mph
SSE
Cloudy
Humidity
64%
Feels like
27°F
Dew Point
25°F
9 PM
36°F
10%
16mph
S
Cloudy
Humidity
65%
Feels like
27°F
Dew Point
25°F
10 PM
37°F
10%
17mph
S
Partly Cloudy
Humidity
65%
Feels like
27°F
Dew Point
26°F
11 PM
38°F
0%
17mph
S
Partly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
26°F

Today's Severe Weather Outlook

Dangerous Spring Storms Take Aim at Ohio Valley, Mid-Atlantic

Spring is here and Mother Nature is set to bring dangerous thunderstorms to parts of the Great Lakes, Ohio Valley and Mid-Atlantic.

Today's High Temperature Outlook

Summer-Like Heat Bakes the Southern U.S.

Weekend Weather Outlook

Today's Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

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