Hourly Weather Forecast - Big Arm, MT

6 PM
36°F
70%
7mph
SSW
70% Chance of Light Rain
Humidity
81%
Feels like
30°F
Dew Point
31°F
7 PM
36°F
70%
8mph
SSW
70% Chance Rain Showers
Humidity
80%
Feels like
30°F
Dew Point
31°F
8 PM
36°F
70%
8mph
SW
70% Chance Rain Showers
Humidity
79%
Feels like
30°F
Dew Point
30°F
9 PM
36°F
10%
8mph
SW
Partly Cloudy
Humidity
79%
Feels like
29°F
Dew Point
30°F
10 PM
35°F
10%
7mph
SW
Partly Cloudy
Humidity
81%
Feels like
29°F
Dew Point
30°F
11 PM
34°F
30%
7mph
SW
30% Chance Rain Showers
Humidity
83%
Feels like
28°F
Dew Point
30°F

Snowfall Forecast Through Tonight

Two Winter Storms Deliver Accumulating Northern U.S. Snow

A plowable snow will occur from parts of the Pacific Northwest to the Upper Midwest for the start of the weekend.

Sunday's Weather Outlook

Sunday's 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.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Outdoor Sports Guide