Weather forecast for tomorrowBig Sandy, MT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 63°F
- 36°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphESE 115°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:44 am MDT
- Sunset: 6:26 pm MDT
- details ▼
On Sunday, October 18, skies will stay clear and sunny.
Significant temperature fluctuations from a high of a comfortable 62.6°F to a low of an icy 35.6°F are forecasted.
Tomorrow, the maximum temperature is anticipated to be relatively higher than October's climate norm of 55.6°F.
Sunrise will be at 7:44 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 41min.
Significant temperature fluctuations from a high of a comfortable 62.6°F to a low of an icy 35.6°F are forecasted.
Tomorrow, the maximum temperature is anticipated to be relatively higher than October's climate norm of 55.6°F.
Sunrise will be at 7:44 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 41min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 8%.
Hourly weather forecast
- 12 am
- 52°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNW 310°
- Humidity: 54%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphNW 320°
- Humidity: 61%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:39°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNW 326°
- Humidity: 70%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphNNW 347°
- Humidity: 72%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:44 am
- 8 am
- 37°F
- Feels like:36°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNNE 30°
- Humidity: 74%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:45°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphENE 74°
- Humidity: 57%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 158°
- Humidity: 38%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSE 151°
- Humidity: 31%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSE 143°
- Humidity: 30%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSE 134°
- Humidity: 36%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:26 pm
- 8 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 123°
- Humidity: 45%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphESE 122°
- Humidity: 47%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of cloudy and bright weather is forecasted.
The temperature will be between a minimum of 37.4°F and a maximum of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature will be relatively higher than October's average maximum of 55.6°F. The nighttime low will be also relatively lower than the typical October minimum temperature of 39.4°F.
The temperature will be between a minimum of 37.4°F and a maximum of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature will be relatively higher than October's average maximum of 55.6°F. The nighttime low will be also relatively lower than the typical October minimum temperature of 39.4°F.
Updated: Oct 17, 2026 @ 15:23:53 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 Big Sandy, a sun-drenched sky is anticipated.
Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 35.6°F.
The highest temperature will be relatively higher than the average maximum of 55.6°F in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
The highest temperature will be relatively higher than the average maximum of 55.6°F in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
On Sunday, in Big Sandy, sunrise will be at 7:44 am and sunset at 6:26 pm (MDT).
In Big Sandy, the length of the day tomorrow will be 10h and 41min.





