Weather forecast for todayPlains, MT

Weather forecast for today

Current condition 1:38 pm MDT

  • 57°F
  • Feels like:
    57°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 0mphW 270°
  • Humidity: 61%
  • Dewpoint: 45°F
  • Pressure: 30.04"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
At the moment, in Plains, outdoor conditions are perfect, with fair skies and a light breeze.
The temperature is a moderate 57.2°F. The current temperature is relatively far from today's maximum-anticipated 68°F.

Wednesday Oct 21, 2026

  • 68°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSE 143°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 8:07 am MDT
  • Sunset: 6:40 pm MDT
  • ▼
On Wednesday, October 21, intermittent cloud cover is expected, allowing for some sunshine.
Temperature readings are anticipated to span from a high of an agreeable 68°F to a low of a wintry 41°F.
The predicted high will feel warmer, consistent with September's climate average of 67.3°F.
Sunrise was at 8:07 am and sunset will be at 6:40 pm; the daylight will last for 10h and 34min.

Hourly overview

Hourly temperatures

Warmest hour: 5 pm 66°C.
Coldest hour: 11 pm 50°C.

Chance of precipitation

Highest chance: 9 pm - 11 pm 2%.

Hourly weather forecast

  • 2 pm
  • 59°F
  • Feels like:
    59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 58%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 3 pm
  • 63°F
  • Feels like:
    63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 0mphESE 105°
  • Humidity: 51%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphSE 132°
  • Humidity: 47%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphESE 109°
  • Humidity: 43%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphESE 112°
  • Humidity: 49%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:40 pm
  • 7 pm
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphENE 59°
  • Humidity: 55%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSSW 213°
  • Humidity: 64%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 54°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphWSW 238°
  • Humidity: 69%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphW 259°
  • Humidity: 71%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphWSW 239°
  • Humidity: 73%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of the day, a combination of mostly clear and dull weather is anticipated.
The temperature will be between a maximum of 66.2°F and a minimum of 50°F. The warmest part of the day will be around 5 pm.
The highest temperature is more alike with September's average maximum of 67.3°F than October's usual of 51.4°F. The lowest temperature is also expected to be more similar to September's minimum average of 39.7°F than October's 31.1°F.
Updated: Oct 21, 2026 @ 19:38:43 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 1:38 pm MDT is 57.2°F.

On Wednesday, in Plains, partly cloudy skies will persist, making for a mix of sun and clouds.

Today, the highest temperature will be 68°F, while the lowest temperature will be 41°F.
The maximum temperature will be significantly higher than the average highest temperature of 51.4°F in October. The lowest temperature will be also notably higher than the average low of 31.1°F.

On Wednesday, in Plains, sunrise was at 8:07 am and sunset will be at 6:40 pm (MDT).

Today, the daylight will last for 10h and 34min.