Hourly Weather Forecast - Plains, MT

3 PM
34°F
90%
2mph
SSE
Light Rain
Humidity
100%
Feels like
34°F
Dew Point
34°F
4 PM
33°F
100%
2mph
SSW
Light Rain
Humidity
100%
Feels like
33°F
Dew Point
33°F
4:49 PM
5 PM
33°F
90%
2mph
SSW
Light Rain
Humidity
100%
Feels like
33°F
Dew Point
33°F
6 PM
34°F
70%
2mph
S
70% Chance of Light Rain
Humidity
100%
Feels like
34°F
Dew Point
34°F
7 PM
34°F
40%
3mph
SSE
40% Chance of Light Rain
Humidity
100%
Feels like
34°F
Dew Point
34°F
8 PM
35°F
50%
3mph
SSE
50% Chance of Light Rain
Humidity
100%
Feels like
33°F
Dew Point
35°F
9 PM
36°F
50%
4mph
S
50% Chance of Light Rain
Humidity
100%
Feels like
32°F
Dew Point
36°F
10 PM
37°F
60%
5mph
S
60% Chance of Light Rain
Humidity
100%
Feels like
32°F
Dew Point
37°F
11 PM
37°F
60%
6mph
SSW
60% Chance of Light Rain
Humidity
98%
Feels like
33°F
Dew Point
37°F

Snowfall Forecast Through Saturday

Snowfall to Pack Slopes in the Rockies

Hefty snowpack additions are expected into the weekend for the Cascades and northern Rockies.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

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Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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