Hourly Weather Forecast - Roundup, MT

11 AM
47°F
0%
10mph
W
Sunny
Humidity
34%
Feels like
42°F
Dew Point
20°F
12 PM
50°F
0%
11mph
W
Sunny
Humidity
23%
Feels like
50°F
Dew Point
14°F
1 PM
53°F
0%
12mph
W
Mostly Sunny
Humidity
19%
Feels like
53°F
Dew Point
12°F
2 PM
54°F
0%
12mph
WNW
Sunny
Humidity
18%
Feels like
54°F
Dew Point
12°F
3 PM
55°F
0%
11mph
WNW
Mostly Sunny
Humidity
17%
Feels like
55°F
Dew Point
12°F
4 PM
56°F
0%
11mph
WNW
Mostly Sunny
Humidity
16%
Feels like
56°F
Dew Point
11°F
5 PM
57°F
0%
10mph
WNW
Mostly Sunny
Humidity
16%
Feels like
57°F
Dew Point
11°F
6 PM
56°F
0%
9mph
WNW
Mostly Sunny
Humidity
17%
Feels like
56°F
Dew Point
11°F
7 PM
53°F
0%
5mph
WNW
Mostly Sunny
Humidity
20%
Feels like
53°F
Dew Point
13°F
7:29 PM
8 PM
49°F
0%
2mph
NNE
Mostly Clear
Humidity
25%
Feels like
49°F
Dew Point
14°F
9 PM
45°F
0%
4mph
E
Mostly Clear
Humidity
31%
Feels like
43°F
Dew Point
16°F
10 PM
43°F
0%
4mph
ESE
Mostly Clear
Humidity
35%
Feels like
41°F
Dew Point
17°F
11 PM
40°F
0%
3mph
ESE
Mostly Clear
Humidity
39%
Feels like
40°F
Dew Point
17°F

Today's Severe Weather Outlook

Dangerous Spring Storms Take Aim at Ohio Valley, Mid-Atlantic

Spring is here and Mother Nature is set to bring dangerous thunderstorms to parts of the Great Lakes, Ohio Valley and Mid-Atlantic.

Today's High Temperature Outlook

Summer-Like Heat Bakes the Southern U.S.

Weekend Weather Outlook

Today's Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide