Weather forecast for tomorrowSaint Ignatius, MT
Weather forecast for tomorrow
Monday Oct 19, 2026
- 64°F
- 37°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNNE 23°
- Humidity: 62%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:41 pm MDT
- details ▼
On Monday, October 19, clouds and sunshine will alternate throughout the day.
A wide temperature range is expected, from a high of an enjoyable 64.4°F to a low of an icy 37.4°F.
Expect temperatures to match September's average maximum of 68.5°F rather than October's 51.8°F.
Sunrise will be at 8:01 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 40min.
A wide temperature range is expected, from a high of an enjoyable 64.4°F to a low of an icy 37.4°F.
Expect temperatures to match September's average maximum of 68.5°F rather than October's 51.8°F.
Sunrise will be at 8:01 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 40min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 6 pm 61°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 12 am - 9 am 4%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:43°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 119°
- Humidity: 78%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphSE 139°
- Humidity: 81%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 116°
- Humidity: 84%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphSE 127°
- Humidity: 84%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 am
- 37°F
- Feels like:37°F
Mostly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSE 137°
- Humidity: 83%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 8:01 am
- 10 am
- 45°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphESE 117°
- Humidity: 74%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphN 349°
- Humidity: 62%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNW 343°
- Humidity: 54%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphN 1°
- Humidity: 43%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNNW 328°
- Humidity: 47%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:41 pm
- 8 pm
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphN 350°
- Humidity: 65%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNW 317°
- Humidity: 73%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily cloudy and occasionally mostly clear weather is expected.
The temperature will vary between a minimum of 37.4°F and a maximum of 64.4°F. The warmest part of the day is expected around 5 pm.
The temperature will feel more alike with September's average high than the expected maximum for October. The lowest temperature is expected to be a few degrees higher than the average minimum in October, typically 32.7°F.
The temperature will vary between a minimum of 37.4°F and a maximum of 64.4°F. The warmest part of the day is expected around 5 pm.
The temperature will feel more alike with September's average high than the expected maximum for October. The lowest temperature is expected to be a few degrees higher than the average minimum in October, typically 32.7°F.
Updated: Oct 18, 2026 @ 06:46:38 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 Monday, mostly clear with scattered clouds is expected.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature will be noticeably higher than the average maximum of 51.8°F in October. The lowest temperature will be slightly warmer than the average low of 32.7°F.
The highest temperature will be noticeably higher than the average maximum of 51.8°F in October. The lowest temperature will be slightly warmer than the average low of 32.7°F.
On Monday, in Saint Ignatius, sunrise will be at 8:01 am and sunset at 6:41 pm (MDT).
Tomorrow, the daylight will last for 10h and 40min.





