Hourly Weather Forecast - Big Arm, MT

12 AM
44°F
40%
6mph
S
40% Chance of Light Rain
Humidity
70%
Feels like
41°F
Dew Point
35°F
1 AM
44°F
30%
5mph
S
30% Chance Rain Showers
Humidity
69%
Feels like
41°F
Dew Point
35°F
2 AM
44°F
20%
5mph
S
Partly Cloudy
Humidity
69%
Feels like
41°F
Dew Point
34°F
3 AM
43°F
30%
5mph
SSW
30% Chance Rain Showers
Humidity
69%
Feels like
40°F
Dew Point
34°F
4 AM
42°F
30%
5mph
SSW
30% Chance Rain Showers
Humidity
70%
Feels like
39°F
Dew Point
33°F
5 AM
41°F
30%
5mph
SSW
30% Chance Rain Showers
Humidity
72%
Feels like
38°F
Dew Point
33°F
6 AM
41°F
30%
5mph
SSW
30% Chance Rain Showers
Humidity
74%
Feels like
37°F
Dew Point
33°F
7 AM
41°F
30%
5mph
SSW
30% Chance Rain Showers
Humidity
75%
Feels like
38°F
Dew Point
33°F
7:46 AM
8 AM
42°F
20%
5mph
SSW
Mostly Cloudy
Humidity
74%
Feels like
39°F
Dew Point
34°F
9 AM
44°F
20%
5mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
41°F
Dew Point
35°F
10 AM
46°F
20%
5mph
SSW
Mostly Cloudy
Humidity
68%
Feels like
44°F
Dew Point
36°F
11 AM
49°F
20%
5mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
47°F
Dew Point
37°F
12 PM
51°F
20%
5mph
SSW
Mostly Cloudy
Humidity
60%
Feels like
51°F
Dew Point
38°F
1 PM
53°F
10%
6mph
SSW
Cloudy
Humidity
57%
Feels like
53°F
Dew Point
38°F
2 PM
54°F
10%
6mph
SSW
Cloudy
Humidity
53%
Feels like
54°F
Dew Point
38°F
3 PM
55°F
10%
6mph
SSW
Cloudy
Humidity
51%
Feels like
55°F
Dew Point
38°F
4 PM
56°F
10%
6mph
SSW
Partly Cloudy
Humidity
50%
Feels like
56°F
Dew Point
37°F
5 PM
56°F
10%
6mph
SSW
Mostly Sunny
Humidity
48%
Feels like
56°F
Dew Point
37°F
6 PM
55°F
10%
5mph
SSW
Mostly Sunny
Humidity
48%
Feels like
55°F
Dew Point
36°F
7 PM
54°F
10%
5mph
SSW
Mostly Sunny
Humidity
49%
Feels like
54°F
Dew Point
36°F
7:45 PM
8 PM
52°F
10%
5mph
SSW
Partly Cloudy
Humidity
53%
Feels like
52°F
Dew Point
35°F
9 PM
49°F
10%
5mph
SSW
Mostly Cloudy
Humidity
56%
Feels like
48°F
Dew Point
34°F
10 PM
48°F
10%
4mph
SSW
Mostly Cloudy
Humidity
59%
Feels like
46°F
Dew Point
34°F
11 PM
46°F
10%
4mph
SSW
Partly Cloudy
Humidity
61%
Feels like
44°F
Dew Point
34°F

Tonight's Severe Weather Outlook

Severe Storms Continue To Wreak Havoc on East, Gulf Coasts

Multiple rounds of severe storms will form today from the Gulf Coast to the Mid-Atlantic.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

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Today's National Outlook

Hurricane Tracker

Allergy Forecast

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