Hourly Weather Forecast - Sweet Grass, MT

12 AM
34°F
0%
16mph
WSW
Clear
Humidity
53%
Feels like
23°F
Dew Point
18°F
1 AM
32°F
0%
16mph
WSW
Clear
Humidity
56%
Feels like
22°F
Dew Point
19°F
2 AM
32°F
0%
15mph
WSW
Clear
Humidity
58%
Feels like
21°F
Dew Point
19°F
3 AM
31°F
0%
15mph
WSW
Clear
Humidity
58%
Feels like
21°F
Dew Point
18°F
4 AM
31°F
0%
14mph
SW
Clear
Humidity
59%
Feels like
21°F
Dew Point
19°F
5 AM
31°F
0%
13mph
SW
Clear
Humidity
61%
Feels like
20°F
Dew Point
19°F
6 AM
29°F
0%
13mph
SW
Clear
Humidity
63%
Feels like
18°F
Dew Point
18°F
7 AM
27°F
0%
12mph
SW
Mostly Clear
Humidity
66%
Feels like
16°F
Dew Point
17°F
8 AM
26°F
0%
11mph
SW
Mostly Clear
Humidity
67%
Feels like
16°F
Dew Point
17°F
8:19 AM
9 AM
27°F
0%
11mph
SW
Mostly Sunny
Humidity
61%
Feels like
17°F
Dew Point
16°F
10 AM
29°F
0%
11mph
SSW
Mostly Sunny
Humidity
56%
Feels like
20°F
Dew Point
15°F
11 AM
31°F
0%
11mph
SSW
Mostly Sunny
Humidity
51%
Feels like
22°F
Dew Point
15°F
12 PM
32°F
0%
12mph
SSW
Mostly Sunny
Humidity
48%
Feels like
23°F
Dew Point
14°F
1 PM
32°F
10%
12mph
S
Sunny
Humidity
46%
Feels like
23°F
Dew Point
14°F
2 PM
32°F
10%
12mph
S
Sunny
Humidity
46%
Feels like
23°F
Dew Point
14°F
3 PM
31°F
10%
12mph
S
Mostly Sunny
Humidity
47%
Feels like
22°F
Dew Point
13°F
4 PM
31°F
10%
12mph
S
Mostly Sunny
Humidity
46%
Feels like
22°F
Dew Point
13°F
4:33 PM
5 PM
31°F
10%
11mph
S
Partly Cloudy
Humidity
45%
Feels like
22°F
Dew Point
13°F
6 PM
32°F
10%
12mph
S
Partly Cloudy
Humidity
45%
Feels like
22°F
Dew Point
13°F
7 PM
30°F
10%
12mph
S
Mostly Cloudy
Humidity
49%
Feels like
21°F
Dew Point
13°F
8 PM
29°F
10%
12mph
S
Cloudy
Humidity
53%
Feels like
19°F
Dew Point
14°F
9 PM
28°F
10%
12mph
S
Cloudy
Humidity
56%
Feels like
18°F
Dew Point
15°F
10 PM
27°F
10%
12mph
SSW
Cloudy
Humidity
58%
Feels like
16°F
Dew Point
14°F
11 PM
25°F
10%
12mph
SSW
Cloudy
Humidity
61%
Feels like
14°F
Dew Point
14°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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