Weather forecast for 10 daysFlandreau, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSSW 195°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:45 am CDT
- Sunset: 6:37 pm CDT
- details ▼
On Sunday, October 18, conditions remain stable and sunny, with little cloud presence.
The daytime temperature will peak at a breezy 66.2°F, significantly contrasting with the night's low of a cold 37.4°F.
Today, the forecasted high of 66.2°F is more in line with September's average of 72.5°F than October's 55.9°F.
Sunrise will be at 7:45 am and sunset at 6:37 pm; the daylight will last for 10h and 53min.
The daytime temperature will peak at a breezy 66.2°F, significantly contrasting with the night's low of a cold 37.4°F.
Today, the forecasted high of 66.2°F is more in line with September's average of 72.5°F than October's 55.9°F.
Sunrise will be at 7:45 am and sunset at 6:37 pm; the daylight will last for 10h and 53min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 75°C.
Coldest day: Sunday 25.10. 61°C.
Coldest day: Sunday 25.10. 61°C.
Chance of precipitation
Highest chance: Saturday 45%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSSW 195°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:45 am CDT
- Sunset: 6:37 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphESE 114°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:46 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 46°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphSSE 165°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:47 am CDT
- Sunset: 6:34 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 45°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphS 173°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:48 am CDT
- Sunset: 6:32 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 57°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphSSE 148°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:50 am CDT
- Sunset: 6:31 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 59°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 21mphSSE 161°
- Humidity: 54%
- UV index: 2
- Sunrise: 7:51 am CDT
- Sunset: 6:29 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 68°F
- 45°F
AM Showers
- Precip. probability: 45%
- Precipitation: 0.08"
- Wind: 17mphSSW 209°
- Humidity: 62%
- UV index: 2
- Sunrise: 7:52 am CDT
- Sunset: 6:28 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 45°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0.04"
- Wind: 8mphNE 55°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:54 am CDT
- Sunset: 6:26 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 12mphSE 136°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:55 am CDT
- Sunset: 6:25 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 46°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 15mphSSE 155°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:56 am CDT
- Sunset: 6:23 pm CDT
- details ▼
Models point to a combination of sunny, cloud-filled and showery weather is expected.
Rain is anticipated on Saturday and next Sunday.
Temperature fluctuation will be noticeable in the coming days. Highs will range from 60.8°F to 75.2°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 37.4°F and 59°F.
Thursday and Friday, with the highest temperature of 75.2°F, will be the warmest days; next Sunday will be the coldest day, with the highest temperature of 60.8°F.
Rain is anticipated on Saturday and next Sunday.
Temperature fluctuation will be noticeable in the coming days. Highs will range from 60.8°F to 75.2°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 37.4°F and 59°F.
Thursday and Friday, with the highest temperature of 75.2°F, will be the warmest days; next Sunday will be the coldest day, with the highest temperature of 60.8°F.
Updated: Oct 18, 2026 @ 11:22:05 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, in Flandreau, sunshine and minimal clouds are in the outlook.
Today, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The maximum temperature today will be uncommonly higher than the average highest temperature of 55.9°F in October. The lowest temperature today will be in line with the average low temperature.
The maximum temperature today will be uncommonly higher than the average highest temperature of 55.9°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Flandreau, sunrise will be at 7:45 am and sunset at 6:37 pm (CDT).
In Flandreau, today, there will be 10h and 53min of daylight.
