Weather forecast for tomorrowSand Coulee, MT

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 70°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 204°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
On Monday, in Sand Coulee, uninterrupted sunshine is also anticipated.
Considerable temperature fluctuations from a high of a delightful 69.8°F to a low of a cold 39.2°F are predicted.
The forecast high of 69.8°F aligns more closely with September's typical high of 70.7°F than with October's usual 54.1°F.
Sunrise will be at 7:49 am and sunset at 6:29 pm; tomorrow's daylight will last for 10h and 40min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 68°C.
Coldest period: 3 am - 6 am 41°C.

Chance of precipitation

Highest chance: 12 am - 6 am 3%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphS 186°
  • Humidity: 66%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphS 182°
  • Humidity: 69%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSSW 193°
  • Humidity: 72%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    37°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphSSW 196°
  • Humidity: 71%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:49 am
  • 8 am
  • 39°F
  • Feels like:
    37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSSW 192°
  • Humidity: 74%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 214°
  • Humidity: 57%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 223°
  • Humidity: 40%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 221°
  • Humidity: 31%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSW 206°
  • Humidity: 30%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 132°
  • Humidity: 36%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:29 pm
  • 8 pm
  • 55°F
  • Feels like:
    54°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 158°
  • Humidity: 46%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 185°
  • Humidity: 46%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of bright and cloud-filled weather is forecasted.
The temperature will be between a minimum of 39.2°F and a maximum of 68°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will align more closely with September's average high of 70.7°F than with October's 54.1°F. The lowest temperature is comparable to October's typical minimum of 37.6°F.
Updated: Oct 18, 2026 @ 08:30:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, the outlook remains bright and sunny.

Tomorrow, the maximum temperature will be 69.8°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be noticeably higher than the average highest temperature of 54.1°F in October. The lowest temperature will be in line with the average low of 37.6°F.

On Monday, in Sand Coulee, sunrise will be at 7:49 am and sunset at 6:29 pm (MDT).

In Sand Coulee, tomorrow, there will be 10h and 40min of daylight.