Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Unconfirmed number of fatalities in Texas flooding amid catastrophic rainfall. Read here Chevron right
Tropical rainstorm develops off US Atlantic coast. Get details Chevron right

Big Arm, MT

75°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Big Arm

Montana

75°
No results found.
Try searching for a city, zip code or point of interest.
settings
Big Arm, MT Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities

July 4 - August 17

Fri 7/4

78° /57°
25%
Not as warm but pleasant with times of clouds and sun

RealFeel®84°

RealFeel Shade™76°

Max UV Index6 (High)

WindSE 5 mph

Sat 7/5

69° /51°
88%
Cloudy and cooler with a couple of showers and a thunderstorm

RealFeel®70°

RealFeel Shade™67°

Max UV Index4 (Moderate)

WindSSW 6 mph

Sun 7/6

80° /51°
1%
Warmer with sun and clouds

RealFeel®85°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindSSW 6 mph

Mon 7/7

86° /58°
0%
Partly sunny

RealFeel®92°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindSSW 4 mph

Tue 7/8

94° /58°
0%
Sunshine and hot; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®98°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindSSW 4 mph

Wed 7/9

90° /57°
0%
Mostly sunny

RealFeel®98°

RealFeel Shade™88°

Max UV Index9 (Very High)

WindENE 2 mph

Thu 7/10

85° /58°
1%
Plenty of sun

RealFeel®84°

RealFeel Shade™82°

Max UV Index9 (Very High)

WindSW 8 mph

Fri 7/11

90° /60°
0%
Plenty of sun

RealFeel®94°

RealFeel Shade™88°

Max UV Index9 (Very High)

WindSE 4 mph

Sat 7/12

92° /61°
0%
Mostly sunny and very warm

RealFeel®97°

RealFeel Shade™91°

Max UV Index9 (Very High)

WindESE 2 mph

Sun 7/13

90° /61°
1%
Mostly sunny

RealFeel®90°

RealFeel Shade™87°

Max UV Index9 (Very High)

WindSW 9 mph

Mon 7/14

85° /58°
55%
A little rain in the morning; otherwise, cloudy

RealFeel®84°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindSW 10 mph

Tue 7/15

87° /59°
2%
Mostly sunny

RealFeel®92°

RealFeel Shade™85°

Max UV Index9 (Very High)

WindSW 5 mph

Wed 7/16

87° /59°
4%
Sunshine and a few clouds

RealFeel®91°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindW 6 mph

Thu 7/17

84° /53°
20%
Partly sunny

RealFeel®89°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindW 5 mph

Fri 7/18

84° /58°
25%
Mostly cloudy

RealFeel®83°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindSW 5 mph

Sat 7/19

83° /59°
25%
A blend of sun and clouds

RealFeel®86°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindSSW 2 mph

Sun 7/20

86° /58°
20%
Plenty of sun

RealFeel®93°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindSSW 2 mph

Mon 7/21

87° /58°
20%
Plenty of sun

RealFeel®93°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindNE 2 mph

Tue 7/22

89° /59°
10%
Sunny

RealFeel®95°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindWNW 1 mph

Wed 7/23

90° /60°
20%
Partly sunny and very warm

RealFeel®94°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindNE 1 mph

Thu 7/24

90° /61°
25%
Clouds to start, then sunshine returns and very warm

RealFeel®96°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindSE 1 mph

Fri 7/25

91° /60°
20%
Very warm with plenty of sunshine

RealFeel®96°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSSW 4 mph

Sat 7/26

90° /59°
20%
Remaining very warm with plenty of sunshine

RealFeel®95°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSW 4 mph

Sun 7/27

84° /58°
20%
Mostly sunny

RealFeel®92°

RealFeel Shade™83°

Max UV Index8 (Very High)

WindSSW 1 mph

Mon 7/28

89° /59°
20%
Plenty of sunshine

RealFeel®95°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindESE 1 mph

Tue 7/29

90° /60°
20%
Very warm with plenty of sunshine

RealFeel®94°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSSW 4 mph

Wed 7/30

89° /58°
5%
Very warm with plenty of sun

RealFeel®94°

RealFeel Shade™87°

Max UV Index8 (Very High)

WindS 2 mph

Thu 7/31

90° /59°
20%
Remaining very warm with plenty of sun

RealFeel®94°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSSW 4 mph

Fri 8/1

89° /58°
5%
Plenty of sun

RealFeel®94°

RealFeel Shade™87°

Max UV Index8 (Very High)

WindNE 1 mph

Sat 8/2

83° /58°
10%
Sunny

RealFeel®89°

RealFeel Shade™81°

Max UV Index8 (Very High)

WindNE 2 mph

Sun 8/3

87° /59°
25%
Clouds to start, then sunshine returns

RealFeel®92°

RealFeel Shade™86°

Max UV Index5 (Moderate)

WindNNE 1 mph

Mon 8/4

89° /60°
25%
Times of clouds and sun

RealFeel®94°

RealFeel Shade™88°

Max UV Index4 (Moderate)

WindSE 1 mph

Tue 8/5

90° /60°
10%
Mostly sunny and very warm

RealFeel®95°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindSE 1 mph

Wed 8/6

90° /59°
25%
Cloudy and very warm

RealFeel®91°

RealFeel Shade™90°

Max UV Index2 (Low)

WindS 1 mph

Thu 8/7

89° /60°
25%
Cloudy and remaining very warm

RealFeel®90°

RealFeel Shade™88°

Max UV Index2 (Low)

WindS 1 mph

Fri 8/8

89° /59°
20%
After a cloudy start, sunshine returns

RealFeel®95°

RealFeel Shade™88°

Max UV Index7 (High)

Wind0 mph

Sat 8/9

88° /59°
25%
A blend of sun and clouds

RealFeel®90°

RealFeel Shade™87°

Max UV Index3 (Moderate)

WindNE 1 mph

Sun 8/10

88° /58°
20%
Partly sunny

RealFeel®93°

RealFeel Shade™86°

Max UV Index7 (High)

WindE 1 mph

Mon 8/11

86° /58°
65%
Intervals of clouds and sunshine with a couple of showers and a thunderstorm in the afternoon

RealFeel®88°

RealFeel Shade™85°

Max UV Index5 (Moderate)

Wind0 mph

Tue 8/12

79° /57°
25%
Intervals of clouds and sunshine

RealFeel®80°

RealFeel Shade™78°

Max UV Index4 (Moderate)

WindSSE 1 mph

Wed 8/13

81° /56°
10%
Mostly sunny

RealFeel®87°

RealFeel Shade™79°

Max UV Index7 (High)

WindSSW 1 mph

Thu 8/14

81° /56°
10%
Mostly sunny

RealFeel®86°

RealFeel Shade™78°

Max UV Index7 (High)

WindSW 5 mph

Fri 8/15

87° /55°
3%
Sunny to partly cloudy

RealFeel®92°

RealFeel Shade™86°

Max UV Index7 (High)

WindSSW 2 mph

Sat 8/16

88° /54°
0%
Mostly sunny

RealFeel®91°

RealFeel Shade™86°

Max UV Index7 (High)

WindW 4 mph

Sun 8/17

88° /55°
0%
Sunshine and a few clouds

RealFeel®88°

RealFeel Shade™85°

Max UV Index7 (High)

WindWSW 8 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Storms to spark on July 4th in parts of the Plains and Southeast

3 hours ago

Severe Weather

Storms kill 3 in New Jersey, knock out power across Northeast

7 hours ago

Hurricane

Tropical rainstorm develops off US Atlantic coast

2 hours ago

Weather News

Fatalities in Texas amid catastrophic rainfall, water rescues

3 hours ago

Weather Forecasts

Heat, humidity return to the East

4 hours ago

More Stories

Featured Stories

Weather News

‘Shark Whisperer’ swims its way into our shark obsession

2 days ago

Weather News

How to keep pets calm during 4th of July fireworks

1 week ago

Travel

Fourth of July gas hasn’t been this cheap since 2021

3 days ago

Weather News

What makes fireworks burst with vibrant colors?

1 week ago

Health

There is no safe amount of processed meat to eat, new research shows

1 day ago

World North America United States Montana Big Arm

Weather Near Big Arm:

  • Evergreen, MT
  • Kalispell, MT
  • Missoula, MT
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...