Hourly Weather Forecast - Sweet Grass, MT

2 AM
44°F
0%
19mph
SW
Mostly Cloudy
Humidity
52%
Feels like
36°F
Dew Point
28°F
3 AM
44°F
0%
19mph
SW
Partly Cloudy
Humidity
52%
Feels like
36°F
Dew Point
28°F
4 AM
43°F
0%
18mph
SW
Mostly Cloudy
Humidity
53%
Feels like
35°F
Dew Point
27°F
5 AM
43°F
0%
18mph
SW
Mostly Cloudy
Humidity
54%
Feels like
34°F
Dew Point
27°F
6 AM
41°F
0%
18mph
SW
Mostly Cloudy
Humidity
57%
Feels like
33°F
Dew Point
27°F
7 AM
41°F
0%
19mph
SSW
Mostly Cloudy
Humidity
59%
Feels like
32°F
Dew Point
28°F
8 AM
40°F
0%
20mph
SSW
Mostly Cloudy
Humidity
61%
Feels like
31°F
Dew Point
28°F
8:15 AM
9 AM
41°F
0%
20mph
SSW
Mostly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
29°F
10 AM
42°F
0%
20mph
SSW
Mostly Cloudy
Humidity
63%
Feels like
33°F
Dew Point
30°F
11 AM
44°F
0%
20mph
SSW
Windy
Humidity
61%
Feels like
35°F
Dew Point
31°F
12 PM
45°F
0%
21mph
SSW
Windy
Humidity
60%
Feels like
37°F
Dew Point
32°F
1 PM
47°F
0%
23mph
SW
Windy
Humidity
60%
Feels like
39°F
Dew Point
34°F
2 PM
48°F
0%
26mph
SW
Windy
Humidity
61%
Feels like
40°F
Dew Point
36°F
3 PM
49°F
0%
27mph
WSW
Windy
Humidity
59%
Feels like
41°F
Dew Point
36°F
4 PM
47°F
0%
28mph
WSW
Windy
Humidity
63%
Feels like
39°F
Dew Point
35°F
4:31 PM
5 PM
46°F
0%
31mph
WSW
Windy
Humidity
66%
Feels like
36°F
Dew Point
35°F
6 PM
44°F
0%
32mph
WSW
Windy
Humidity
69%
Feels like
34°F
Dew Point
35°F
7 PM
45°F
0%
35mph
WSW
Windy
Humidity
70%
Feels like
35°F
Dew Point
36°F
8 PM
46°F
10%
37mph
WSW
Windy
Humidity
70%
Feels like
36°F
Dew Point
37°F
9 PM
47°F
0%
38mph
WSW
Windy
Humidity
70%
Feels like
37°F
Dew Point
37°F
10 PM
47°F
0%
36mph
WSW
Windy
Humidity
68%
Feels like
37°F
Dew Point
37°F
11 PM
46°F
10%
36mph
WSW
Windy
Humidity
67%
Feels like
36°F
Dew Point
36°F

Wind chill temperatures Monday A.M.

Frigid Weather Sends Shivers Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

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

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide