Weather forecast for 10 daysBelle Fourche, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphNNE 15°
- Humidity: 36%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 6:05 pm MDT
- details ▼
On Sunday, October 18, a sun-drenched sky is anticipated.
Dramatic temperature shifts from a high of a delightful 68°F to a low of a cold 39.2°F are expected.
With a forecast of 68°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:15 am and sunset at 6:05 pm; the daylight will last for 10h and 51min.
Dramatic temperature shifts from a high of a delightful 68°F to a low of a cold 39.2°F are expected.
With a forecast of 68°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:15 am and sunset at 6:05 pm; the daylight will last for 10h and 51min.
10-day overview
Daily temperatures
Warmest day: Thursday 81°C.
Coldest day: Saturday 55°C.
Coldest day: Saturday 55°C.
Chance of precipitation
Highest chance: 18%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 68°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphNNE 15°
- Humidity: 36%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 6:05 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 39°F
Sunny / Wind
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 21mphESE 109°
- Humidity: 37%
- UV index: 3
- Sunrise: 7:16 am MDT
- Sunset: 6:04 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphN 11°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 6:02 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 46°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphNE 52°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:18 am MDT
- Sunset: 6:01 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 81°F
- 55°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 10mphSE 134°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:20 am MDT
- Sunset: 5:59 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 43°F
AM Clouds / PM Sun
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 17mphSW 230°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:21 am MDT
- Sunset: 5:57 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 37°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 17mphNW 304°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:22 am MDT
- Sunset: 5:56 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 41°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphESE 112°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:24 am MDT
- Sunset: 5:54 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 39°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphESE 110°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:25 am MDT
- Sunset: 5:53 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 57°F
- 41°F
Mostly Sunny
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 12mphNNW 329°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:26 am MDT
- Sunset: 5:51 pm MDT
- details ▼
Weather patterns suggest that a combination of mostly clear and dull weather is predicted.
Rainfall is not expected in Belle Fourche in the upcoming period.
Temperature variation will be noticeable over the next several days. Forecast highs will fluctuate between 55.4°F and 80.6°F, while the lowest nightly temperature differences will be also quite pronounced, as the lowest temperatures will be recorded between 37.4°F and 55.4°F.
Thursday will be the warmest day, with a maximum temperature of 80.6°F; expect the coldest day on Saturday with a high of 55.4°F.
Rainfall is not expected in Belle Fourche in the upcoming period.
Temperature variation will be noticeable over the next several days. Forecast highs will fluctuate between 55.4°F and 80.6°F, while the lowest nightly temperature differences will be also quite pronounced, as the lowest temperatures will be recorded between 37.4°F and 55.4°F.
Thursday will be the warmest day, with a maximum temperature of 80.6°F; expect the coldest day on Saturday with a high of 55.4°F.
Updated: Oct 18, 2026 @ 11:27:14 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
Today, in Belle Fourche, the forecast calls for abundant sunshine.
Today, the highest temperature will be 68°F, while the lowest temperature will be 39.2°F.
The highest temperature will be significantly higher than the average maximum of 55.9°F in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature will be significantly higher than the average maximum of 55.9°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Belle Fourche, sunrise will be at 7:15 am and sunset at 6:05 pm (MDT).
In Belle Fourche, today, there will be 10h and 51min of daylight.
