Hourly Weather Forecast - Plains, MT

3 AM
9°F
0%
2mph
SW
Foggy
Humidity
100%
Feels like
9°F
Dew Point
9°F
4 AM
9°F
0%
2mph
SSW
Foggy
Humidity
100%
Feels like
9°F
Dew Point
9°F
5 AM
9°F
0%
2mph
SSW
Foggy
Humidity
100%
Feels like
9°F
Dew Point
9°F
6 AM
9°F
0%
2mph
SSW
Foggy
Humidity
99%
Feels like
9°F
Dew Point
9°F
7 AM
10°F
0%
2mph
SW
Hazy
Humidity
92%
Feels like
10°F
Dew Point
8°F
8 AM
11°F
0%
2mph
WSW
Hazy
Humidity
91%
Feels like
11°F
Dew Point
9°F
8:26 AM
9 AM
12°F
0%
2mph
WSW
Partly Cloudy
Humidity
85%
Feels like
12°F
Dew Point
9°F
10 AM
15°F
0%
2mph
SW
Sunny
Humidity
79%
Feels like
15°F
Dew Point
10°F
11 AM
17°F
0%
2mph
SW
Sunny
Humidity
71%
Feels like
17°F
Dew Point
10°F
12 PM
20°F
0%
2mph
SW
Sunny
Humidity
66%
Feels like
20°F
Dew Point
11°F
1 PM
22°F
0%
2mph
WSW
Sunny
Humidity
59%
Feels like
22°F
Dew Point
10°F
2 PM
24°F
0%
2mph
WSW
Mostly Sunny
Humidity
55%
Feels like
24°F
Dew Point
10°F
3 PM
25°F
0%
2mph
SW
Partly Cloudy
Humidity
57%
Feels like
25°F
Dew Point
12°F
4 PM
24°F
0%
2mph
SSW
Partly Cloudy
Humidity
63%
Feels like
24°F
Dew Point
13°F
4:55 PM
5 PM
22°F
0%
2mph
S
Partly Cloudy
Humidity
69%
Feels like
22°F
Dew Point
14°F
6 PM
22°F
0%
2mph
S
Partly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
14°F
7 PM
21°F
0%
1mph
S
Partly Cloudy
Humidity
75%
Feels like
21°F
Dew Point
15°F
8 PM
21°F
0%
2mph
S
Partly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
15°F
9 PM
21°F
0%
2mph
SSW
Partly Cloudy
Humidity
75%
Feels like
21°F
Dew Point
14°F
10 PM
20°F
0%
2mph
SSW
Mostly Cloudy
Humidity
79%
Feels like
20°F
Dew Point
15°F
11 PM
20°F
0%
2mph
SSW
Mostly Cloudy
Humidity
81%
Feels like
20°F
Dew Point
15°F

Snow Forecast Through Monday

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A major winter storm will deliver plentiful snow and significant icing from the Upper Midwest to New England.

Sunday's Weather Outlook

Sunday's Weather Outlook

Satellite image of Hurricane Melissa

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Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

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