Weather forecast for 10 daysFort Pierre, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 73°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 16mphNNE 15°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:00 am MDT
- Sunset: 5:52 pm MDT
- details ▼
Today, on Sunday, October 18, expect consistent sunshine and open skies.
Temperatures are set to span a considerable range, with a high of a warm 73.4°F and a low of an icy 39.2°F.
The higher temperature of 73.4°F is more typical of September than October.
Sunrise was at 7:00 am and sunset will be at 5:52 pm; the daylight will last for 10h and 52min.
Temperatures are set to span a considerable range, with a high of a warm 73.4°F and a low of an icy 39.2°F.
The higher temperature of 73.4°F is more typical of September than October.
Sunrise was at 7:00 am and sunset will be at 5:52 pm; the daylight will last for 10h and 52min.
10-day overview
Daily temperatures
Warmest day: Friday 79°C.
Coldest day: Sunday 25.10. 59°C.
Coldest day: Sunday 25.10. 59°C.
Chance of precipitation
Highest chance: Friday 44%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 73°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 16mphNNE 15°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:00 am MDT
- Sunset: 5:52 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphE 88°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:01 am MDT
- Sunset: 5:50 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 45°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 15mphSSE 149°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:03 am MDT
- Sunset: 5:49 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 45°F
Sunny
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 9mphN 0°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:04 am MDT
- Sunset: 5:47 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 59°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 16mphSE 137°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:05 am MDT
- Sunset: 5:45 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 79°F
- 52°F
AM Showers / Wind
- Precip. probability: 44%
- Precipitation: 0.08"
- Wind: 21mphSSE 158°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:07 am MDT
- Sunset: 5:44 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 61°F
- 41°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 16mphNW 307°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:08 am MDT
- Sunset: 5:42 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 59°F
- 45°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 12mphESE 116°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:09 am MDT
- Sunset: 5:41 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 48°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 14mphSE 128°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:11 am MDT
- Sunset: 5:39 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 45°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphSE 140°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:12 am MDT
- Sunset: 5:38 pm MDT
- details ▼
For the next ten days, a combination of sunny, cloud-filled and damp weather is forecasted.
With a probability of 44%, rainfall is forecasted only for Friday. The precipitation will be minimal at 0.08".
Expect a substantial fluctuation in daytime highs across the forecast period. The temperature is expected to swing from 59°F up to 78.8°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 39.2°F and 59°F.
Expect the warmest day on Friday, with temperatures peaking at 78.8°F; next Sunday will be the coldest day, with the highest temperature of 59°F.
With a probability of 44%, rainfall is forecasted only for Friday. The precipitation will be minimal at 0.08".
Expect a substantial fluctuation in daytime highs across the forecast period. The temperature is expected to swing from 59°F up to 78.8°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 39.2°F and 59°F.
Expect the warmest day on Friday, with temperatures peaking at 78.8°F; next Sunday will be the coldest day, with the highest temperature of 59°F.
Updated: Oct 18, 2026 @ 13:19:21 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, sunshine will likely continue with scattered clouds at most.
Today, the highest temperature in Fort Pierre will be 73.4°F, while the lowest temperature will be 39.2°F.
The maximum temperature will be noticeably higher than the average highest temperature of 58.5°F in October. Today, the lowest temperature will be in line with the average low temperature.
The maximum temperature will be noticeably higher than the average highest temperature of 58.5°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Fort Pierre, sunrise was at 7:00 am and sunset will be at 5:52 pm (MDT).
In Fort Pierre, South Dakota, the length of the day today will be 10h and 52min.
