Weather forecast for 10 daysMcAllister, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphWSW 245°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
Today, in McAllister, sunshine will prevail for most of the day.
The temperature is anticipated to vary significantly from a high of a breezy 66.2°F to a low of a cold 37.4°F.
The predicted high will feel warmer, consistent with September's climate average of 63.5°F.
Sunrise will be at 7:47 am and sunset at 6:36 pm; the daylight will last for 10h and 49min.

10-day overview

Daily temperatures

Warmest day: tomorrow 68°C.
Coldest day: Tuesday 27.10. 45°C.

Chance of precipitation

Highest chance: Friday 81%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphWSW 245°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 195°
  • Humidity: 39%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:34 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphSW 218°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphSSW 206°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphSSW 201°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:52 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 50°F
  • 28°F
Rain
Rain
  • Precip. probability: 81%
  • Precipitation: 0.12"
  • Wind: 9mphW 276°
  • Humidity: 80%
  • UV index: 1
  • Sunrise: 7:54 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 48°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0.55"
  • Wind: 10mphSSW 209°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:55 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 52°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphSW 218°
  • Humidity: 59%
  • UV index: 2
  • Sunrise: 7:57 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 50°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0.08"
  • Wind: 9mphSW 217°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:58 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 45°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphSSW 212°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 7:59 am MDT
  • Sunset: 6:21 pm MDT
  • ▼
Over the next ten days, a mix of dull, dry and sunny and rain-filled weather is expected.
Rainfall is forecasted for Friday, Saturday and next Monday.
Expect a substantial fluctuation in daytime highs in the coming days. Highs will range from 44.6°F to 68°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 28.4°F and 42.8°F.
Monday is expected to be the warmest, reaching up to 68°F; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 44.6°F.
Updated: Oct 18, 2026 @ 06:08:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, a bright and mostly cloud-free sky is in store.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be significantly higher than the average highest temperature of 45.5°F in October. The lowest temperature will be also notably higher than the average low of 27.5°F.

On Sunday, in McAllister, sunrise will be at 7:47 am and sunset at 6:36 pm (MDT).

In McAllister, today, there will be 10h and 49min of daylight.