Hourly Weather Forecast - Roundup, MT

12 AM
43°F
0%
2mph
NE
Partly Cloudy
Humidity
45%
Feels like
43°F
Dew Point
24°F
1 AM
42°F
0%
2mph
N
Partly Cloudy
Humidity
49%
Feels like
42°F
Dew Point
24°F
2 AM
42°F
0%
2mph
NNW
Mostly Clear
Humidity
52%
Feels like
42°F
Dew Point
25°F
3 AM
42°F
0%
2mph
NW
Partly Cloudy
Humidity
52%
Feels like
42°F
Dew Point
25°F
4 AM
42°F
0%
2mph
W
Partly Cloudy
Humidity
52%
Feels like
42°F
Dew Point
25°F
5 AM
41°F
0%
3mph
WSW
Mostly Cloudy
Humidity
53%
Feels like
40°F
Dew Point
26°F
6 AM
41°F
0%
4mph
WSW
Cloudy
Humidity
53%
Feels like
39°F
Dew Point
25°F
7 AM
42°F
0%
4mph
WSW
Cloudy
Humidity
53%
Feels like
40°F
Dew Point
26°F
7:09 AM
8 AM
44°F
0%
4mph
WSW
Cloudy
Humidity
54%
Feels like
42°F
Dew Point
28°F
9 AM
47°F
0%
4mph
WSW
Cloudy
Humidity
48%
Feels like
46°F
Dew Point
29°F
10 AM
52°F
0%
4mph
SW
Cloudy
Humidity
40%
Feels like
52°F
Dew Point
28°F
11 AM
57°F
0%
5mph
SW
Cloudy
Humidity
31%
Feels like
57°F
Dew Point
26°F
12 PM
60°F
0%
5mph
SSW
Cloudy
Humidity
26%
Feels like
60°F
Dew Point
25°F
1 PM
63°F
0%
6mph
SW
Cloudy
Humidity
23%
Feels like
63°F
Dew Point
25°F
2 PM
65°F
0%
6mph
WSW
Cloudy
Humidity
22%
Feels like
65°F
Dew Point
25°F
3 PM
66°F
0%
6mph
WSW
Cloudy
Humidity
22%
Feels like
66°F
Dew Point
26°F
4 PM
66°F
0%
3mph
WSW
Cloudy
Humidity
23%
Feels like
66°F
Dew Point
27°F
5 PM
65°F
0%
2mph
E
Mostly Cloudy
Humidity
25%
Feels like
65°F
Dew Point
29°F
6 PM
64°F
0%
6mph
E
Mostly Cloudy
Humidity
27%
Feels like
64°F
Dew Point
29°F
7 PM
62°F
10%
7mph
ENE
Mostly Cloudy
Humidity
29%
Feels like
62°F
Dew Point
29°F
7:32 PM
8 PM
58°F
10%
6mph
ENE
Mostly Cloudy
Humidity
32%
Feels like
58°F
Dew Point
29°F
9 PM
56°F
10%
5mph
ENE
Mostly Cloudy
Humidity
38%
Feels like
56°F
Dew Point
30°F
10 PM
54°F
0%
3mph
NE
Mostly Cloudy
Humidity
41%
Feels like
54°F
Dew Point
31°F
11 PM
53°F
0%
2mph
NW
Mostly Cloudy
Humidity
44%
Feels like
53°F
Dew Point
31°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

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Today's National Outlook

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