Current Weather Forecast for Big Arm

MT 59910  |   6:34pm

Weather Conditions

45°

Feels Like 39°

Fair

30° 49°

0

UV Index

Good

Air Quality

WSW 11 mph

Wind

0 in

rain

Tonight

Thu 3/26

26°

Lowest Temperature

2%

Clear skies. Low 26F. Winds WSW at 10 to 15 mph.

Tomorrow

Fri 3/27

55°

Highest Temperature

2%

Sunny. High around 55F. Winds light and variable.

Tomorrow night

Fri 3/27

33°

Lowest Temperature

1%

Partly cloudy. Low 33F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Big Arm

Hourly Weather Forecast & Temperature

7PM

44°

Feels Like 38°

Sunny

W 10 mph

Wind

1033 mb

Pressure

28%

Humidity

0

UV Index

10mi

Visibility

17%

Cloud Cover

8PM

41°

Feels Like 36°

Clear

W 7 mph

Wind

1034 mb

Pressure

34%

Humidity

0

UV Index

10mi

Visibility

12%

Cloud Cover

9PM

38°

Feels Like 34°

Clear

WSW 6 mph

Wind

1035 mb

Pressure

38%

Humidity

0

UV Index

10mi

Visibility

6%

Cloud Cover

10PM

35°

Feels Like 30°

Clear

WSW 5 mph

Wind

1036 mb

Pressure

47%

Humidity

0

UV Index

10mi

Visibility

3%

Cloud Cover

11PM

33°

Feels Like 29°

Clear

WSW 4 mph

Wind

1036 mb

Pressure

51%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

12AM

1%

32°

Feels Like 28°

Clear

WSW 3 mph

Wind

1036 mb

Pressure

54%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

1AM

1%

30°

Feels Like 30°

Clear

WSW 2 mph

Wind

1037 mb

Pressure

58%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

2AM

1%

30°

Feels Like 30°

Clear

SW 2 mph

Wind

1036 mb

Pressure

61%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

3AM

1%

29°

Feels Like 29°

Clear

SW 2 mph

Wind

1036 mb

Pressure

63%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

4AM

1%

28°

Feels Like 28°

Clear

WSW 2 mph

Wind

1036 mb

Pressure

63%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

5AM

1%

28°

Feels Like 28°

Clear

W 2 mph

Wind

1036 mb

Pressure

64%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

6AM

2%

28°

Feels Like 28°

Clear

WSW 1 mph

Wind

1035 mb

Pressure

66%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

Thu 3/26

Thu

2%

30°

49°

Clear. Lows overnight in the mid 20s.

26°

Feels Like

WSW 10 mph

Wind

50%

Humidity

0

UV Index

7:27 AM

Sunrise

7:58 PM

Sunset

Fri 3/27

Fri

2%

26°

55°

Mainly sunny. Highs in the mid 50s and lows in the low 30s.

27°

Feels Like

SW 5 mph

Wind

43%

Humidity

4

UV Index

7:25 AM

Sunrise

8:00 PM

Sunset

Sat 3/28

Sat

1%

33°

57°

Mostly cloudy. Highs in the upper 50s and lows in the mid 30s.

34°

Feels Like

SW 9 mph

Wind

47%

Humidity

2

UV Index

7:23 AM

Sunrise

8:01 PM

Sunset

Sun 3/29

Sun

23%

36°

50°

Mostly cloudy. Highs in the upper 40s and lows in the mid 30s.

34°

Feels Like

SSW 8 mph

Wind

61%

Humidity

2

UV Index

7:21 AM

Sunrise

8:03 PM

Sunset

Mon 3/30

Mon

32%

31°

45°

A few morning showers. Highs in the mid 40s and lows in the upper 20s.

30°

Feels Like

WSW 13 mph

Wind

66%

Humidity

3

UV Index

7:19 AM

Sunrise

8:04 PM

Sunset

Tue 3/31

Tue

17%

28°

47°

Considerable cloudiness. Highs in the upper 40s and lows in the low 30s.

25°

Feels Like

NW 6 mph

Wind

60%

Humidity

3

UV Index

7:17 AM

Sunrise

8:05 PM

Sunset

Wed 4/1

Wed

24%

32°

51°

Mostly cloudy. Highs in the low 50s and lows in the mid 30s.

30°

Feels Like

W 7 mph

Wind

59%

Humidity

3

UV Index

7:15 AM

Sunrise

8:07 PM

Sunset

Thu 4/2

Thu

68%

34°

44°

Mix of rain and snow showers. Highs in the mid 40s and lows in the low 30s.

31°

Feels Like

SW 11 mph

Wind

71%

Humidity

3

UV Index

7:13 AM

Sunrise

8:08 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Looking for homes in this area?

• 42818 La Bella Ln, Big Arm, MT 59910
• 39784 US Highway 93, Polson, MT 59860
• 31365 Walking Horse Ln Unit Trac 3, Big Arm, MT 59910

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from Montana

April weather outlook: Severe storms target millions as spring temperature warmup finally nears

A dip in the jet stream is breaking down the Western heat wave and pushing warmth east—but as it clashes with cooler air, severe storms could fire up across the Plains.

Here are the top 10 most popular national parks across America

America loves its national parks and with 63 of them across the country, there are so many to see. A new report lists the top 10 most-visited national parks in the U.S. in 2025.

Life-threatening blizzard bomb cyclone to unleash feet of snow, destructive winds as storm rapidly intensifies

A monstrous blizzard bomb cyclone is rapidly intensifying and will unleash extreme feet of snow and vicious wind gusts throughout the Midwest and Great Lakes, knocking out power and disrupting travel.

Vicious windstorm knocks out power to over 1 million Americans, unleashes travel chaos amid 100+mph gusts

An intensifying clipper is moving across the Upper Midwest, the Great Lakes and the Ohio Valley Friday, packing wind gusts that could exceed 75 mph for more than 70 million people.

Load More Stories