Weather forecast for tomorrowThree Forks, MT

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 3mphNW 316°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
On Sunday, October 18, a bright and mostly cloud-free sky is in store.
Significant temperature fluctuations from a high of an enjoyable 64.4°F to a low of a subzero 28.4°F are forecasted.
The expected high of 64.4°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:47 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 47min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 6 pm 61°C.
Coldest period: 6 am - 9 am 37°C.

Chance of precipitation

Highest chance: 3 am - 6 am 5%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 206°
  • Humidity: 61%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSW 226°
  • Humidity: 69%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 3mphSW 217°
  • Humidity: 74%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphSSW 211°
  • Humidity: 80%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:47 am
  • 8 am
  • 34°F
  • Feels like:
    34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 2mphSW 218°
  • Humidity: 89%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphWSW 243°
  • Humidity: 72%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 52°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNW 336°
  • Humidity: 50%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 57°F
  • Feels like:
    57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 33°
  • Humidity: 41%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 40°
  • Humidity: 33%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphWNW 301°
  • Humidity: 37%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:35 pm
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 183°
  • Humidity: 52%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSSE 167°
  • Humidity: 67%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of cloud-filled and sun-filled weather is forecasted.
The temperature will be between a minimum of 33.8°F and a maximum of 62.6°F. The warmest part of the day will be at 4 pm and 5 pm.
Tomorrow, temperatures will be more similar to the climate of September than the usual maximum in October. The nighttime low will be moderately lower than the typical October minimum temperature of 33.4°F.
Updated: Oct 18, 2026 @ 02:29:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Three Forks, predominantly sunny weather will make for pleasant outdoor conditions.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 28.4°F.
The highest temperature will be notably higher than the average maximum of 53.8°F in October. The lowest temperature tomorrow will be a couple of 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, tomorrow, there will be 10h and 47min of daylight.