Hourly Weather Forecast - Sweet Grass, MT

12 AM
39°F
0%
17mph
S
Partly Cloudy
Humidity
59%
Feels like
30°F
Dew Point
26°F
1 AM
40°F
0%
18mph
SSW
Mostly Clear
Humidity
60%
Feels like
31°F
Dew Point
27°F
2 AM
40°F
0%
19mph
SSW
Clear
Humidity
64%
Feels like
30°F
Dew Point
29°F
3 AM
39°F
0%
20mph
SSW
Clear
Humidity
70%
Feels like
29°F
Dew Point
30°F
4 AM
38°F
0%
21mph
SW
Windy
Humidity
72%
Feels like
28°F
Dew Point
30°F
5 AM
38°F
0%
22mph
SW
Windy
Humidity
73%
Feels like
28°F
Dew Point
31°F
6 AM
39°F
0%
23mph
WSW
Windy
Humidity
71%
Feels like
29°F
Dew Point
31°F
7 AM
40°F
0%
26mph
WSW
Windy
Humidity
66%
Feels like
30°F
Dew Point
30°F
7:20 AM
8 AM
42°F
0%
28mph
WSW
Windy
Humidity
61%
Feels like
32°F
Dew Point
30°F
9 AM
46°F
0%
30mph
WSW
Windy
Humidity
51%
Feels like
36°F
Dew Point
29°F
10 AM
49°F
0%
31mph
WSW
Windy
Humidity
45%
Feels like
40°F
Dew Point
28°F
11 AM
51°F
0%
33mph
WSW
Windy
Humidity
39%
Feels like
51°F
Dew Point
27°F
12 PM
52°F
0%
34mph
W
Windy
Humidity
34%
Feels like
52°F
Dew Point
25°F
1 PM
53°F
0%
34mph
W
Windy
Humidity
31%
Feels like
53°F
Dew Point
23°F
2 PM
53°F
0%
34mph
W
Windy
Humidity
27%
Feels like
53°F
Dew Point
20°F
3 PM
51°F
0%
33mph
W
Windy
Humidity
26%
Feels like
51°F
Dew Point
17°F
4 PM
49°F
0%
32mph
W
Windy
Humidity
28%
Feels like
41°F
Dew Point
18°F
5 PM
47°F
0%
30mph
W
Windy
Humidity
30%
Feels like
38°F
Dew Point
17°F
6 PM
44°F
10%
28mph
W
Windy
Humidity
34%
Feels like
34°F
Dew Point
17°F
7 PM
40°F
10%
25mph
W
Windy
Humidity
37%
Feels like
29°F
Dew Point
16°F
7:48 PM
8 PM
36°F
10%
21mph
WNW
Windy
Humidity
43%
Feels like
25°F
Dew Point
16°F
9 PM
34°F
10%
18mph
WNW
Mostly Clear
Humidity
48%
Feels like
23°F
Dew Point
17°F
10 PM
32°F
10%
15mph
NW
Mostly Clear
Humidity
55%
Feels like
22°F
Dew Point
18°F
11 PM
30°F
10%
13mph
NNW
Clear
Humidity
61%
Feels like
20°F
Dew Point
18°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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