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Millions face Arctic chill through end of January. Get the forecast details. Chevron right

Roundup, MT

36°F
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Roundup, MT Weather
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January 15 - February 13

Thu 1/15

56° /24°
49%
Strong winds developing; increasing cloudiness and cooler
alerts

High Wind Warning

12:00 PM Thursday - 5:00 PM Friday

RealFeel®51°

RealFeel Shade™49°

Max UV Index2.0 (Low)

WindNNW 20 mph

Fri 1/16

33° /13°
0%
Sun and areas of high clouds in the morning followed by clouds and limited sun; windy and much colder
alerts

High Wind Warning

12:00 PM Thursday - 5:00 PM Friday

RealFeel®16°

RealFeel Shade™16°

Max UV Index1.0 (Low)

WindNW 22 mph

Sat 1/17

50° /31°
2%
Partly sunny

RealFeel®43°

RealFeel Shade™43°

Max UV Index2.0 (Low)

WindSSW 12 mph

Sun 1/18

37° /17°
16%
Windy and colder with low clouds

RealFeel®22°

RealFeel Shade™22°

Max UV Index1.0 (Low)

WindNNW 20 mph

Mon 1/19

40° /30°
3%
Partial sunshine

RealFeel®46°

RealFeel Shade™42°

Max UV Index2.0 (Low)

WindE 4 mph

Tue 1/20

46° /24°
6%
Breezy in the morning; otherwise, mostly cloudy

RealFeel®42°

RealFeel Shade™42°

Max UV Index1.0 (Low)

WindWNW 14 mph

Wed 1/21

36° /21°
6%
Sun and areas of high clouds in the morning, then mostly cloudy in the afternoon

RealFeel®38°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindESE 2 mph

Thu 1/22

41° /16°
55%
A little snow in the morning; otherwise, clouds giving way to some sun

RealFeel®44°

RealFeel Shade™41°

Max UV Index2.0 (Low)

WindSE 4 mph

Fri 1/23

25° /6°
55%
Considerable cloudiness and colder with a little snow

RealFeel®15°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindNE 12 mph

Sat 1/24

22° /9°
6%
Sunny and cold

RealFeel®22°

RealFeel Shade™19°

Max UV Index2.0 (Low)

WindSW 5 mph

Sun 1/25

31° /17°
55%
Cloudy with a little snow

RealFeel®26°

RealFeel Shade™26°

Max UV Index0.0 (Low)

WindNE 7 mph

Mon 1/26

31° /14°
62%
Periods of snow

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindENE 7 mph

Tue 1/27

30° /19°
66%
Snow

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindNNE 7 mph

Wed 1/28

38° /14°
70%
Snow

RealFeel®33°

RealFeel Shade™33°

Max UV Index0.0 (Low)

WindNW 8 mph

Thu 1/29

32° /21°
20%
Sunshine and a few clouds

RealFeel®25°

RealFeel Shade™23°

Max UV Index2.0 (Low)

WindW 8 mph

Fri 1/30

41° /19°
25%
Mostly cloudy and not as cold

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindW 5 mph

Sat 1/31

39° /22°
25%
Cloudy

RealFeel®40°

RealFeel Shade™40°

Max UV Index1.0 (Low)

WindW 4 mph

Sun 2/1

38° /19°
62%
Mostly cloudy; a bit of snow in the morning followed by periods of snow and rain in the afternoon

RealFeel®39°

RealFeel Shade™39°

Max UV Index1.0 (Low)

WindN 4 mph

Mon 2/2

30° /15°
25%
Cloudy most of the time

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindSSW 6 mph

Tue 2/3

31° /6°
25%
Considerable cloudiness

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindNNW 9 mph

Wed 2/4

27° /6°
25%
Cloudy and cold

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindWNW 2 mph

Thu 2/5

30° /18°
20%
Times of clouds and sun

RealFeel®21°

RealFeel Shade™19°

Max UV Index2.0 (Low)

WindW 12 mph

Fri 2/6

30° /17°
59%
Periods of snow

RealFeel®33°

RealFeel Shade™33°

Max UV Index1.0 (Low)

WindNW 6 mph

Sat 2/7

31° /15°
25%
Sun and clouds

RealFeel®34°

RealFeel Shade™30°

Max UV Index2.0 (Low)

WindWNW 7 mph

Sun 2/8

31° /8°
25%
Cloudy

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindNW 8 mph

Mon 2/9

29° /10°
55%
Cloudy with a little snow

RealFeel®15°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindWNW 14 mph

Tue 2/10

30° /11°
58%
Snow at times

RealFeel®14°

RealFeel Shade™14°

Max UV Index1.0 (Low)

WindNW 18 mph

Wed 2/11

29° /5°
20%
Partly sunny

RealFeel®17°

RealFeel Shade™15°

Max UV Index3.0 (Moderate)

WindNW 16 mph

Thu 2/12

27° /4°
20%
Partly sunny and cold

RealFeel®34°

RealFeel Shade™30°

Max UV Index3.0 (Moderate)

WindSSW 1 mph

Fri 2/13

27° /5°
56%
Cold with intermittent snow

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindNNE 8 mph

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World North America United States Montana Roundup

Weather Near Roundup:

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