Weather forecast for 10 daysFort Shaw, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 34°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphENE 76°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:33 pm MDT
- details ▼
Today, on Sunday, October 18, partly cloudy skies will persist, making for a mix of sun and clouds.
A notable disparity in temperature is predicted, reaching up to a maximum of a comfortable 60.8°F and falling to a minimum of an icy 33.8°F.
Today's highest temperature will be a couple of degrees higher than the average October maximum of 54.5°F.
Sunrise will be at 7:50 am and sunset at 6:33 pm; the daylight will last for 10h and 43min.
A notable disparity in temperature is predicted, reaching up to a maximum of a comfortable 60.8°F and falling to a minimum of an icy 33.8°F.
Today's highest temperature will be a couple of degrees higher than the average October maximum of 54.5°F.
Sunrise will be at 7:50 am and sunset at 6:33 pm; the daylight will last for 10h and 43min.
10-day overview
Daily temperatures
Maximum temperature: 70°C.
Coldest day: Monday 26.10. 36°C.
Coldest day: Monday 26.10. 36°C.
Chance of precipitation
Highest chance: Friday 78%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 61°F
- 34°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphENE 76°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 37°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphSSW 200°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:52 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 59°F
- 37°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphNNW 332°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:53 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 45°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 12mphSSW 204°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:55 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 46°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0.16"
- Wind: 11mphSW 214°
- Humidity: 51%
- UV index: 2
- Sunrise: 7:56 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 50°F
- 34°F
AM Rain
- Precip. probability: 78%
- Precipitation: 0.16"
- Wind: 15mphWNW 289°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:58 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 45°F
- 30°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphSW 235°
- Humidity: 67%
- UV index: 2
- Sunrise: 7:59 am MDT
- Sunset: 6:23 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 39°F
- 28°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 12mphNNW 330°
- Humidity: 76%
- UV index: 2
- Sunrise: 8:01 am MDT
- Sunset: 6:21 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 36°F
- 27°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 10mphWNW 287°
- Humidity: 76%
- UV index: 2
- Sunrise: 8:02 am MDT
- Sunset: 6:19 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 39°F
- 30°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 11mphW 259°
- Humidity: 82%
- UV index: 2
- Sunrise: 8:04 am MDT
- Sunset: 6:18 pm MDT
- details ▼
Over the next ten days, a mix of primarily overcast and occasionally dry and sunny and rain-filled weather is predicted.
With light precipitation of 0.16", rainfall is expected on Friday and next Sunday.
Temperature differences will be noticeable throughout the forecast window. Highs will range from 35.6°F to 69.8°F, while the fluctuation in night temperatures will be also significant, as the minimum temperature is expected to range between 26.6°F and 46.4°F.
Monday, Wednesday and Thursday, with the highest temperature of 69.8°F, will be the warmest days; the lowest daytime temperature of the period will be reached on next Monday, peaking at 35.6°F.
With light precipitation of 0.16", rainfall is expected on Friday and next Sunday.
Temperature differences will be noticeable throughout the forecast window. Highs will range from 35.6°F to 69.8°F, while the fluctuation in night temperatures will be also significant, as the minimum temperature is expected to range between 26.6°F and 46.4°F.
Monday, Wednesday and Thursday, with the highest temperature of 69.8°F, will be the warmest days; the lowest daytime temperature of the period will be reached on next Monday, peaking at 35.6°F.
Updated: Oct 18, 2026 @ 11:20:57 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, in Fort Shaw, sunlight and clouds will take turns dominating the sky.
Today, the highest temperature will be 60.8°F, while the lowest temperature will be 33.8°F.
The highest temperature today will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
The highest temperature today will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Fort Shaw, sunrise will be at 7:50 am and sunset at 6:33 pm (MDT).
In Fort Shaw, the length of the day today will be 10h and 43min.





