Weather forecast for tomorrowChinook, MT
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 34°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphESE 105°
- Humidity: 51%
- UV index: 2
- Sunrise: 7:43 am MDT
- Sunset: 6:20 pm MDT
- details ▼
On Monday, in Chinook, golden sunshine will carry through the day.
Substantial temperature variations are expected, soaring to a maximum of a breezy 66.2°F and descending to a minimum of an icy 33.8°F.
Temperatures are higher than average, more in line with September's norm of 72.1°F than with October's 59.2°F.
Sunrise will be at 7:43 am and sunset at 6:20 pm; tomorrow's daylight will last for 10h and 37min.
Substantial temperature variations are expected, soaring to a maximum of a breezy 66.2°F and descending to a minimum of an icy 33.8°F.
Temperatures are higher than average, more in line with September's norm of 72.1°F than with October's 59.2°F.
Sunrise will be at 7:43 am and sunset at 6:20 pm; tomorrow's daylight will last for 10h and 37min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 3%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 112°
- Humidity: 58%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:34°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphESE 108°
- Humidity: 63%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:32°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphESE 110°
- Humidity: 68%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:30°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphESE 113°
- Humidity: 71%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:43 am
- 8 am
- 37°F
- Feels like:30°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphESE 112°
- Humidity: 74%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphESE 112°
- Humidity: 63%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphESE 110°
- Humidity: 44%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 63°F
- Feels like:61°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphE 97°
- Humidity: 37%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphE 96°
- Humidity: 36%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphE 101°
- Humidity: 44%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:20 pm
- 8 pm
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphESE 106°
- Humidity: 61%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphE 92°
- Humidity: 72%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of mostly clear and cloudy weather is expected.
The temperature will vary between a minimum of 37.4°F and a maximum of 64.4°F. The feels-like temperature will be between a minimum of 30.2°F and a maximum of 64.4°F. The warmest part of the day is anticipated around 4 pm.
The forecasted maximum is more close to September's typical high of 72.1°F than the average for October. Forecasts show a temperature also more in line with September's average minimum of 38.7°F rather than the October average of 27.1°F.
The temperature will vary between a minimum of 37.4°F and a maximum of 64.4°F. The feels-like temperature will be between a minimum of 30.2°F and a maximum of 64.4°F. The warmest part of the day is anticipated around 4 pm.
The forecasted maximum is more close to September's typical high of 72.1°F than the average for October. Forecasts show a temperature also more in line with September's average minimum of 38.7°F rather than the October average of 27.1°F.
Updated: Oct 18, 2026 @ 08:37:23 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
Tomorrow, clear skies with only minor cloud interruptions are in the outlook.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 33.8°F.
The highest temperature will be a few degrees higher than the average maximum of 59.2°F in October. The lowest temperature will be also a couple of degrees higher than the average low of 27.1°F.
The highest temperature will be a few degrees higher than the average maximum of 59.2°F in October. The lowest temperature will be also a couple of degrees higher than the average low of 27.1°F.
On Monday, in Chinook, sunrise will be at 7:43 am and sunset at 6:20 pm (MDT).
Tomorrow, the daylight will last for 10h and 37min.





