Weather forecast for todayBig Arm, MT

Weather forecast for today

Current condition 3:47 pm MST

  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 3mphS 170°
  • Humidity: 47%
  • Dewpoint: 34°F
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, in Big Arm, the horizon is crisp, and the weather remains sunny and inviting.
The temperature is a cool 53.6°F.

Saturday Oct 24, 2026

  • min.
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphNNE 12°
  • Humidity: 77%
  • UV index: 0
  • Sunrise: 8:10 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
During the late afternoon and into the evening, a partly cloudy outlook will keep the sky interesting throughout the day.
The lowest predicted temperature is a subzero 30.2°F.
Sunrise was at 8:10 am and sunset will be at 6:32 pm; the daylight will last for 10h and 23min.

Hourly overview

Hourly temperatures

Warmest hour: 5 pm 54°C.
Coldest hour: 12 am 36°C.

Chance of precipitation

Highest chance: 12 am 5%.

Hourly weather forecast

  • 5 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 167°
  • Humidity: 47%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphESE 121°
  • Humidity: 53%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:32 pm
  • 7 pm
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNE 32°
  • Humidity: 60%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 43°F
  • Feels like:
    43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNNE 14°
  • Humidity: 73%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 41°F
  • Feels like:
    41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphN 352°
  • Humidity: 81%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 39°F
  • Feels like:
    39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphNNW 347°
  • Humidity: 85%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 37°F
  • Feels like:
    36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphN 353°
  • Humidity: 87%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 36°F
  • Feels like:
    34°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphN 9°
  • Humidity: 89%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 36°F
  • Feels like:
    32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphNNE 20°
  • Humidity: 88%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 36°F
  • Feels like:
    30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphNNW 348°
  • Humidity: 89%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Saturday, primarily cloudy and occasionally bright weather is expected.
The temperature will be between a maximum of 53.6°F and a minimum of 37.4°F.
Updated: Oct 24, 2026 @ 22:47:08 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (3:47 pm MST) is 53.6°F.

Today, in Big Arm, occasional clouds will pass by, but expect bright spells.

On Saturday, in Big Arm, sunrise was at 8:10 am and sunset will be at 6:32 pm (MDT).

Today, the daylight will last for 10h and 23min.