Hourly Weather Forecast - Sweet Grass, MT

12 AM
33°F
0%
9mph
S
Clear
Humidity
47%
Feels like
26°F
Dew Point
15°F
1 AM
32°F
0%
8mph
SSW
Clear
Humidity
49%
Feels like
25°F
Dew Point
15°F
2 AM
30°F
0%
7mph
SSW
Clear
Humidity
51%
Feels like
24°F
Dew Point
15°F
3 AM
29°F
0%
6mph
SSW
Clear
Humidity
53%
Feels like
22°F
Dew Point
14°F
4 AM
28°F
0%
6mph
SSW
Clear
Humidity
56%
Feels like
21°F
Dew Point
14°F
5 AM
27°F
0%
7mph
SSW
Clear
Humidity
58%
Feels like
19°F
Dew Point
14°F
6 AM
26°F
0%
7mph
SSW
Mostly Clear
Humidity
58%
Feels like
19°F
Dew Point
14°F
7 AM
28°F
0%
7mph
SSW
Mostly Clear
Humidity
56%
Feels like
20°F
Dew Point
14°F
7:14 AM
8 AM
30°F
0%
8mph
S
Partly Cloudy
Humidity
52%
Feels like
23°F
Dew Point
15°F
9 AM
34°F
0%
8mph
S
Cloudy
Humidity
44%
Feels like
27°F
Dew Point
15°F
10 AM
38°F
0%
10mph
S
Cloudy
Humidity
38%
Feels like
32°F
Dew Point
15°F
11 AM
42°F
0%
11mph
S
Cloudy
Humidity
33%
Feels like
36°F
Dew Point
15°F
12 PM
46°F
0%
13mph
S
Cloudy
Humidity
29%
Feels like
40°F
Dew Point
16°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.

Monday's Weather Outlook

Monday'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide