Hourly Weather Forecast - Sweet Grass, MT

12 AM
33°F
0%
9mph
WSW
Partly Cloudy
Humidity
46%
Feels like
25°F
Dew Point
14°F
1 AM
31°F
0%
9mph
WSW
Partly Cloudy
Humidity
49%
Feels like
24°F
Dew Point
14°F
2 AM
30°F
0%
8mph
WSW
Partly Cloudy
Humidity
51%
Feels like
22°F
Dew Point
14°F
3 AM
28°F
0%
8mph
W
Mostly Clear
Humidity
57%
Feels like
20°F
Dew Point
14°F
4 AM
26°F
0%
7mph
W
Partly Cloudy
Humidity
63%
Feels like
18°F
Dew Point
15°F
5 AM
25°F
0%
8mph
NW
Partly Cloudy
Humidity
66%
Feels like
17°F
Dew Point
16°F
6 AM
26°F
0%
7mph
NW
Cloudy
Humidity
66%
Feels like
17°F
Dew Point
16°F
7 AM
26°F
0%
5mph
NNW
Cloudy
Humidity
64%
Feels like
21°F
Dew Point
16°F
7:25 AM
8 AM
27°F
0%
4mph
NE
Cloudy
Humidity
64%
Feels like
22°F
Dew Point
17°F
9 AM
29°F
0%
6mph
E
Mostly Cloudy
Humidity
58%
Feels like
23°F
Dew Point
16°F
10 AM
32°F
0%
6mph
ESE
Mostly Cloudy
Humidity
52%
Feels like
26°F
Dew Point
16°F
11 AM
36°F
0%
7mph
SE
Mostly Cloudy
Humidity
45%
Feels like
30°F
Dew Point
17°F
12 PM
39°F
0%
9mph
SSE
Mostly Cloudy
Humidity
40%
Feels like
33°F
Dew Point
17°F
1 PM
42°F
0%
11mph
S
Mostly Cloudy
Humidity
36%
Feels like
36°F
Dew Point
17°F
2 PM
45°F
0%
12mph
S
Mostly Cloudy
Humidity
31%
Feels like
39°F
Dew Point
16°F
3 PM
47°F
0%
12mph
S
Mostly Cloudy
Humidity
29%
Feels like
41°F
Dew Point
16°F
4 PM
48°F
0%
12mph
SSW
Mostly Cloudy
Humidity
26%
Feels like
43°F
Dew Point
15°F
5 PM
49°F
0%
13mph
SW
Mostly Cloudy
Humidity
25%
Feels like
43°F
Dew Point
15°F
6 PM
48°F
0%
14mph
SW
Cloudy
Humidity
24%
Feels like
43°F
Dew Point
13°F
7 PM
47°F
0%
13mph
SW
Cloudy
Humidity
26%
Feels like
41°F
Dew Point
13°F
7:45 PM
8 PM
44°F
0%
11mph
SW
Cloudy
Humidity
30%
Feels like
38°F
Dew Point
15°F
9 PM
42°F
0%
11mph
SW
Cloudy
Humidity
34%
Feels like
36°F
Dew Point
16°F
10 PM
41°F
0%
10mph
SW
Cloudy
Humidity
39%
Feels like
35°F
Dew Point
18°F
11 PM
41°F
0%
10mph
SW
Cloudy
Humidity
41%
Feels like
35°F
Dew Point
19°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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