Weather forecast for 10 daysThree Forks, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 28°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphNW 325°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:47 am MDT
- Sunset: 6:35 pm MDT
- details ▼
Today, in Three Forks, sun and clouds will share the sky, creating a partly cloudy day.
A substantial temperature fluctuation from a breezy 64.4°F at its peak to a harsh 28.4°F at its lowest point is forecasted.
It will feel warmer than usual, as the temperature reflects September's normal high of 70.9°F, not October's.
Sunrise will be at 7:47 am and sunset at 6:35 pm; the daylight will last for 10h and 47min.
A substantial temperature fluctuation from a breezy 64.4°F at its peak to a harsh 28.4°F at its lowest point is forecasted.
It will feel warmer than usual, as the temperature reflects September's normal high of 70.9°F, not October's.
Sunrise will be at 7:47 am and sunset at 6:35 pm; the daylight will last for 10h and 47min.
10-day overview
Daily temperatures
Maximum temperature: 68°C.
Coldest day: Tuesday 27.10. 45°C.
Coldest day: Tuesday 27.10. 45°C.
Chance of precipitation
Highest chance: Friday 79%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 28°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphNW 325°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:47 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 32°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSSE 155°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 32°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 3mphNW 323°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 36°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphSSW 198°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 43°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphSW 229°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:52 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 52°F
- 28°F
Rain
- Precip. probability: 79%
- Precipitation: 0.16"
- Wind: 9mphWNW 290°
- Humidity: 79%
- UV index: 2
- Sunrise: 7:54 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 50°F
- 27°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0.31"
- Wind: 6mphWSW 239°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:55 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 50°F
- 27°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphNNW 329°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:57 am MDT
- Sunset: 6:23 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 25°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 6mphWNW 301°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:58 am MDT
- Sunset: 6:21 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 45°F
- 27°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 6mphW 262°
- Humidity: 77%
- UV index: 2
- Sunrise: 7:59 am MDT
- Sunset: 6:20 pm MDT
- details ▼
Models point to a combination of cloud-filled, mostly clear and rain-soaked weather is expected.
Rain is forecasted for Friday and Saturday.
There will be a considerable variation in temperature throughout the forecast window. The temperature is expected to swing from 44.6°F up to 68°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 24.8°F and 42.8°F.
With a maximum temperature of 68°F, Monday and Wednesday will be the warmest days; the coldest day will be next Tuesday, with a maximum of 44.6°F.
Rain is forecasted for Friday and Saturday.
There will be a considerable variation in temperature throughout the forecast window. The temperature is expected to swing from 44.6°F up to 68°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 24.8°F and 42.8°F.
With a maximum temperature of 68°F, Monday and Wednesday will be the warmest days; the coldest day will be next Tuesday, with a maximum of 44.6°F.
Updated: Oct 18, 2026 @ 07:00:09 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, moments of sunshine will break through the patchy clouds.
Today, the maximum temperature will be 64.4°F, while the minimum temperature will be 28.4°F.
The highest temperature today will be notably higher than the average maximum of 53.8°F in October. The lowest temperature today will be a few degrees lower than the average low temperature.
The highest temperature today will be notably higher than the average maximum of 53.8°F in October. The lowest temperature today will be a few degrees lower than the average low temperature.
On Sunday, in Three Forks, sunrise will be at 7:47 am and sunset at 6:35 pm (MDT).
In Three Forks, Montana, the length of the day today will be 10h and 47min.
