Hourly Weather Forecast - Big Arm, MT

12 AM
37°F
0%
0mph
W
Mostly Clear
Humidity
60%
Feels like
37°F
Dew Point
25°F
1 AM
37°F
0%
0mph
S
Mostly Clear
Humidity
61%
Feels like
37°F
Dew Point
25°F
2 AM
36°F
0%
0mph
SSE
Mostly Clear
Humidity
63%
Feels like
36°F
Dew Point
25°F
3 AM
36°F
0%
0mph
SSW
Mostly Clear
Humidity
64%
Feels like
36°F
Dew Point
24°F
4 AM
35°F
0%
0mph
NW
Mostly Clear
Humidity
64%
Feels like
35°F
Dew Point
24°F
5 AM
35°F
0%
1mph
NW
Mostly Clear
Humidity
65%
Feels like
35°F
Dew Point
24°F
6 AM
34°F
0%
0mph
WNW
Mostly Clear
Humidity
67%
Feels like
34°F
Dew Point
24°F
7 AM
35°F
0%
0mph
SW
Mostly Clear
Humidity
66%
Feels like
35°F
Dew Point
24°F
7:16 AM
8 AM
37°F
0%
0mph
SSE
Mostly Sunny
Humidity
61%
Feels like
37°F
Dew Point
24°F
9 AM
40°F
0%
0mph
SSE
Mostly Sunny
Humidity
54%
Feels like
40°F
Dew Point
25°F
10 AM
44°F
0%
1mph
SSE
Sunny
Humidity
48%
Feels like
44°F
Dew Point
25°F
11 AM
46°F
0%
1mph
SSE
Sunny
Humidity
44%
Feels like
46°F
Dew Point
26°F
12 PM
48°F
0%
1mph
SE
Sunny
Humidity
42%
Feels like
48°F
Dew Point
26°F
1 PM
50°F
0%
2mph
SE
Sunny
Humidity
40%
Feels like
50°F
Dew Point
27°F
2 PM
51°F
0%
2mph
SE
Sunny
Humidity
39%
Feels like
51°F
Dew Point
27°F
3 PM
52°F
0%
2mph
SE
Mostly Sunny
Humidity
38%
Feels like
52°F
Dew Point
28°F
4 PM
52°F
0%
2mph
SSE
Mostly Sunny
Humidity
40%
Feels like
52°F
Dew Point
28°F
5 PM
50°F
0%
3mph
SSE
Mostly Sunny
Humidity
44%
Feels like
50°F
Dew Point
29°F
6 PM
47°F
0%
2mph
S
Sunny
Humidity
49%
Feels like
47°F
Dew Point
29°F
6:23 PM
7 PM
44°F
0%
2mph
S
Clear
Humidity
55%
Feels like
44°F
Dew Point
29°F
8 PM
42°F
0%
2mph
SSW
Clear
Humidity
59%
Feels like
42°F
Dew Point
29°F
9 PM
40°F
0%
2mph
SSW
Clear
Humidity
62%
Feels like
40°F
Dew Point
28°F
10 PM
39°F
0%
2mph
SSW
Clear
Humidity
64%
Feels like
39°F
Dew Point
28°F
11 PM
38°F
0%
1mph
SSW
Clear
Humidity
65%
Feels like
38°F
Dew Point
27°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 today through the Northeast on Tuesday.

Today's Weather Outlook

Today'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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