Hourly Weather Forecast - Sweet Grass, MT

12 AM
14°F
10%
10mph
NW
Cloudy
Humidity
76%
Feels like
2°F
Dew Point
8°F
1 AM
13°F
10%
9mph
WNW
Cloudy
Humidity
77%
Feels like
1°F
Dew Point
8°F
2 AM
13°F
10%
10mph
W
Cloudy
Humidity
76%
Feels like
0°F
Dew Point
7°F
3 AM
13°F
10%
11mph
WSW
Cloudy
Humidity
74%
Feels like
-1°F
Dew Point
6°F
4 AM
12°F
10%
10mph
WSW
Cloudy
Humidity
76%
Feels like
-1°F
Dew Point
6°F
5 AM
11°F
10%
10mph
WSW
Cloudy
Humidity
80%
Feels like
-2°F
Dew Point
6°F
6 AM
10°F
10%
10mph
WSW
Cloudy
Humidity
79%
Feels like
-4°F
Dew Point
4°F
7 AM
9°F
10%
9mph
WSW
Cloudy
Humidity
81%
Feels like
-4°F
Dew Point
4°F
8 AM
9°F
10%
9mph
WSW
Cloudy
Humidity
85%
Feels like
-4°F
Dew Point
6°F
8:18 AM
9 AM
11°F
10%
10mph
WSW
Cloudy
Humidity
82%
Feels like
-2°F
Dew Point
6°F
10 AM
13°F
10%
11mph
WSW
Cloudy
Humidity
81%
Feels like
0°F
Dew Point
8°F
11 AM
16°F
10%
12mph
WSW
Cloudy
Humidity
76%
Feels like
3°F
Dew Point
10°F
12 PM
19°F
10%
12mph
WSW
Cloudy
Humidity
67%
Feels like
7°F
Dew Point
10°F
1 PM
22°F
10%
13mph
W
Cloudy
Humidity
60%
Feels like
10°F
Dew Point
11°F
2 PM
23°F
10%
13mph
W
Cloudy
Humidity
59%
Feels like
11°F
Dew Point
11°F
3 PM
22°F
10%
13mph
WSW
Cloudy
Humidity
60%
Feels like
10°F
Dew Point
11°F
4 PM
21°F
10%
13mph
WSW
Cloudy
Humidity
64%
Feels like
8°F
Dew Point
10°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation 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

Monday'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

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