Weather forecast for todayBig Arm, MT

Weather forecast for today

Current condition 2:36 pm MST

  • 52°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 6mphSSE 160°
  • Humidity: 49%
  • Dewpoint: 34°F
  • Pressure: 30.17"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Currently, in Big Arm, no clouds in the sky, just uninterrupted sunshine.
The temperature is a cool 51.8°F.

Saturday Oct 24, 2026

  • min.
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphNNE 15°
  • Humidity: 76%
  • UV index: 0
  • Sunrise: 8:10 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
For the rest of Saturday, mostly clear with scattered clouds is expected.
The lowest temperature will be a cold 32°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 period: 4 pm - 5 pm 52°C.
Coldest period: 11 pm - 12 am 37°C.

Chance of precipitation

Highest chance: 11 pm - 12 am 4%.

Hourly weather forecast

  • 4 pm
  • 52°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 158°
  • Humidity: 47%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 52°F
  • Feels like:
    52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSE 167°
  • Humidity: 48%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 50°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphESE 121°
  • Humidity: 54%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:32 pm
  • 7 pm
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNE 32°
  • Humidity: 63%
  • 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: 4%
  • Precipitation: 0"
  • Wind: 3mphN 353°
  • Humidity: 87%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 37°F
  • Feels like:
    34°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphN 8°
  • Humidity: 88%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 37°F
  • Feels like:
    34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphNNE 18°
  • Humidity: 88%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
During the late afternoon and into the evening, primarily gloomy and occasionally sun-filled weather is predicted.
The temperature will be between a maximum of 51.8°F and a minimum of 37.4°F.
Updated: Oct 24, 2026 @ 21:36:55 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (2:36 pm MST) it is 51.8°F in Big Arm.

Today, moments of sunshine will break through the patchy clouds.

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

In Big Arm, the length of the day today will be 10h and 23min.