Hourly Weather Forecast - Big Arm, MT

12 AM
41°F
30%
4mph
SSW
30% Chance of Light Rain
Humidity
59%
Feels like
39°F
Dew Point
28°F
1 AM
41°F
30%
3mph
SSW
30% Chance of Light Rain
Humidity
62%
Feels like
39°F
Dew Point
29°F
2 AM
40°F
30%
3mph
SSW
30% Chance of Light Rain
Humidity
64%
Feels like
40°F
Dew Point
29°F
3 AM
40°F
40%
3mph
SSW
40% Chance of Light Rain
Humidity
66%
Feels like
40°F
Dew Point
30°F
4 AM
40°F
60%
2mph
SSW
60% Chance of Light Rain
Humidity
67%
Feels like
40°F
Dew Point
30°F
5 AM
40°F
70%
2mph
SSW
70% Chance of Light Rain
Humidity
70%
Feels like
40°F
Dew Point
31°F
6 AM
40°F
80%
2mph
S
80% Chance of Light Rain
Humidity
73%
Feels like
40°F
Dew Point
32°F
7 AM
40°F
90%
2mph
S
Light Rain
Humidity
75%
Feels like
40°F
Dew Point
33°F
7:12 AM
8 AM
41°F
80%
2mph
S
80% Chance of Light Rain
Humidity
74%
Feels like
41°F
Dew Point
34°F
9 AM
43°F
60%
3mph
SSW
60% Chance of Light Rain
Humidity
71%
Feels like
43°F
Dew Point
34°F
10 AM
44°F
50%
3mph
S
50% Chance of Light Rain
Humidity
69%
Feels like
43°F
Dew Point
35°F
11 AM
45°F
40%
4mph
SSW
40% Chance of Light Rain
Humidity
68%
Feels like
43°F
Dew Point
35°F
12 PM
46°F
50%
4mph
SSW
50% Chance of Light Rain
Humidity
67%
Feels like
44°F
Dew Point
35°F
1 PM
47°F
50%
5mph
SSW
50% Chance of Light Rain
Humidity
66%
Feels like
44°F
Dew Point
36°F
2 PM
47°F
50%
5mph
SSW
50% Chance of Light Rain
Humidity
65%
Feels like
45°F
Dew Point
36°F
3 PM
47°F
50%
5mph
SW
50% Chance of Light Rain
Humidity
66%
Feels like
45°F
Dew Point
36°F
4 PM
46°F
50%
5mph
SW
50% Chance of Light Rain
Humidity
68%
Feels like
44°F
Dew Point
36°F
5 PM
45°F
60%
5mph
SW
60% Chance of Light Rain
Humidity
72%
Feels like
42°F
Dew Point
36°F
6 PM
43°F
50%
4mph
SW
50% Chance of Light Rain
Humidity
76%
Feels like
41°F
Dew Point
36°F
6:26 PM
7 PM
42°F
40%
4mph
SW
40% Chance of Light Rain
Humidity
79%
Feels like
39°F
Dew Point
36°F
8 PM
41°F
40%
4mph
SW
40% Chance of Light Rain
Humidity
79%
Feels like
39°F
Dew Point
35°F
9 PM
41°F
40%
4mph
SW
40% Chance of Light Rain
Humidity
79%
Feels like
38°F
Dew Point
35°F
10 PM
40°F
40%
4mph
SW
40% Chance of Light Rain
Humidity
79%
Feels like
38°F
Dew Point
35°F
11 PM
40°F
30%
4mph
SW
30% Chance of Light Rain
Humidity
79%
Feels like
37°F
Dew Point
34°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains tonight through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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