Weather forecast for 10 daysSand Coulee, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphE 80°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:31 pm MDT
- details ▼
Today, on Sunday, October 18, high-altitude clouds may scatter across the sky, but the sun will still shine.
The highest temperature will be a breezy 62.6°F, while the lowest temperature will be an icy 39.2°F.
Forecasts show a high closer to September's climate pattern, around 70.7°F, rather than October's 54.1°F.
Sunrise will be at 7:48 am and sunset at 6:31 pm; the daylight will last for 10h and 43min.
The highest temperature will be a breezy 62.6°F, while the lowest temperature will be an icy 39.2°F.
Forecasts show a high closer to September's climate pattern, around 70.7°F, rather than October's 54.1°F.
Sunrise will be at 7:48 am and sunset at 6:31 pm; the daylight will last for 10h and 43min.
10-day overview
Daily temperatures
Warmest day: Thursday 72°C.
Coldest day: Monday 26.10. 37°C.
Coldest day: Monday 26.10. 37°C.
Chance of precipitation
Highest chance: Friday 74%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphE 80°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 204°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:49 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 59°F
- 41°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphWNW 293°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:50 am MDT
- Sunset: 6:27 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 50°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSW 214°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:52 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 9mphSW 221°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 52°F
- 34°F
Rain
- Precip. probability: 74%
- Precipitation: 0.08"
- Wind: 13mphW 274°
- Humidity: 76%
- UV index: 1
- Sunrise: 7:55 am MDT
- Sunset: 6:22 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 45°F
- 32°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0.24"
- Wind: 11mphWSW 244°
- Humidity: 67%
- UV index: 2
- Sunrise: 7:56 am MDT
- Sunset: 6:20 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 43°F
- 30°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 11mphW 277°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:58 am MDT
- Sunset: 6:19 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 37°F
- 30°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 9mphW 269°
- Humidity: 73%
- UV index: 2
- Sunrise: 7:59 am MDT
- Sunset: 6:17 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 41°F
- 32°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 11mphWSW 247°
- Humidity: 81%
- UV index: 2
- Sunrise: 8:01 am MDT
- Sunset: 6:15 pm MDT
- details ▼
Models point to a combination of primarily dull and occasionally dry and sunny and damp weather is forecasted.
With a probability of 74%, rainfall is forecasted only for Friday. The precipitation will be light at 0.24".
There will be a considerable variation in temperature in the coming days. Highs will range from 37.4°F to 71.6°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 30.2°F and 50°F.
The warmest day will be Thursday, with a maximum of 71.6°F; the lowest daytime temperature of the period will be reached on next Monday, peaking at 37.4°F.
With a probability of 74%, rainfall is forecasted only for Friday. The precipitation will be light at 0.24".
There will be a considerable variation in temperature in the coming days. Highs will range from 37.4°F to 71.6°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 30.2°F and 50°F.
The warmest day will be Thursday, with a maximum of 71.6°F; the lowest daytime temperature of the period will be reached on next Monday, peaking at 37.4°F.
Updated: Oct 18, 2026 @ 08:30:43 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 Sand Coulee, a mix of clouds and blue sky is expected.
Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
Today, the highest temperature will be relatively higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 37.6°F.
Today, the highest temperature will be relatively higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 37.6°F.
On Sunday, in Sand Coulee, sunrise will be at 7:48 am and sunset at 6:31 pm (MDT).
In Sand Coulee, today, there will be 10h and 43min of daylight.
