Weather forecast for 10 daysColumbia Falls, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 32°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphENE 60°
- Humidity: 63%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:42 pm MDT
- details ▼
On Sunday, October 18, uninterrupted sunshine is anticipated.
The day will see a remarkable high of an enjoyable 60.8°F, sharply contrasting with a low of a wintry 32°F.
Today, the expected high will be higher and much closer to September's average high of 65.5°F than October's 48.4°F.
Sunrise will be at 8:01 am and sunset at 6:42 pm; the daylight will last for 10h and 41min.
The day will see a remarkable high of an enjoyable 60.8°F, sharply contrasting with a low of a wintry 32°F.
Today, the expected high will be higher and much closer to September's average high of 65.5°F than October's 48.4°F.
Sunrise will be at 8:01 am and sunset at 6:42 pm; the daylight will last for 10h and 41min.
10-day overview
Daily temperatures
Warmest period: Tuesday - Thursday 63°C.
Coldest period: Sunday - Tuesday 43°C.
Coldest period: Sunday - Tuesday 43°C.
Chance of precipitation
Highest chance: Friday 47%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 61°F
- 32°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphENE 60°
- Humidity: 63%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 34°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphNNE 22°
- Humidity: 62%
- UV index: 2
- Sunrise: 8:03 am MDT
- Sunset: 6:40 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 32°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphENE 66°
- Humidity: 62%
- UV index: 2
- Sunrise: 8:04 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphE 99°
- Humidity: 61%
- UV index: 2
- Sunrise: 8:06 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0.12"
- Wind: 5mphE 86°
- Humidity: 63%
- UV index: 2
- Sunrise: 8:07 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 28°F
Showers
- Precip. probability: 47%
- Precipitation: 0.16"
- Wind: 8mphWSW 241°
- Humidity: 84%
- UV index: 1
- Sunrise: 8:09 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 45°F
- 27°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0.08"
- Wind: 7mphSSE 161°
- Humidity: 74%
- UV index: 2
- Sunrise: 8:10 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 43°F
- 25°F
AM Snow Showers
- Precip. probability: 34%
- Precipitation: 0.08"
- Wind: 9mphNE 54°
- Humidity: 76%
- UV index: 2
- Sunrise: 8:12 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 43°F
- 25°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 6mphNE 55°
- Humidity: 76%
- UV index: 2
- Sunrise: 8:13 am MDT
- Sunset: 6:27 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 43°F
- 27°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphENE 75°
- Humidity: 84%
- UV index: 2
- Sunrise: 8:15 am MDT
- Sunset: 6:25 pm MDT
- details ▼
Over the course of the next ten days, expect shifting weather, and a combination of primarily cloud-filled and occasionally dry and sunny, wet and snow-covered weather is predicted.
Rainfall is expected on Thursday through Saturday.
With a probability of 34%, snowfall is predicted only for next Sunday. The precipitation will be light at 0.16".
Significant changes in temperature are expected in the upcoming days. Forecast highs will fluctuate between 42.8°F and 62.6°F, while the nightly low temperatures will show also a considerable swing, as temperatures overnight will fluctuate from 24.8°F up to 39.2°F.
The warmest days will be Tuesday through Thursday, with a maximum of 62.6°F; next Sunday through next Tuesday, with the highest temperature of 42.8°F, will be the coldest days.
Rainfall is expected on Thursday through Saturday.
With a probability of 34%, snowfall is predicted only for next Sunday. The precipitation will be light at 0.16".
Significant changes in temperature are expected in the upcoming days. Forecast highs will fluctuate between 42.8°F and 62.6°F, while the nightly low temperatures will show also a considerable swing, as temperatures overnight will fluctuate from 24.8°F up to 39.2°F.
The warmest days will be Tuesday through Thursday, with a maximum of 62.6°F; next Sunday through next Tuesday, with the highest temperature of 42.8°F, will be the coldest days.
Updated: Oct 18, 2026 @ 11:55:42 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, sun-filled conditions are expected to persist.
Today, the highest temperature will be 60.8°F, while the lowest temperature will be 32°F.
The maximum temperature will be significantly higher than the average highest temperature of 48.4°F in October. The lowest temperature today will be in line with the average low temperature.
The maximum temperature will be significantly higher than the average highest temperature of 48.4°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Columbia Falls, sunrise will be at 8:01 am and sunset at 6:42 pm (MDT).
In Columbia Falls, the length of the day today will be 10h and 41min.
