Weather forecast for 10 daysGann Valley, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphENE 63°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:54 am CDT
- Sunset: 6:47 pm CDT
- details ▼
Today, in Gann Valley, the forecast calls for abundant sunshine.
Substantial temperature fluctuations from a high of an agreeable 68°F to a low of a wintry 41°F are anticipated.
Sunrise was at 7:54 am and sunset will be at 6:47 pm; the daylight will last for 10h and 53min.
Substantial temperature fluctuations from a high of an agreeable 68°F to a low of a wintry 41°F are anticipated.
Sunrise was at 7:54 am and sunset will be at 6:47 pm; the daylight will last for 10h and 53min.
10-day overview
Daily temperatures
Warmest day: Friday 77°C.
Coldest day: Sunday 25.10. 57°C.
Coldest day: Sunday 25.10. 57°C.
Chance of precipitation
Highest chance: Friday - Saturday 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphENE 63°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:54 am CDT
- Sunset: 6:47 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphE 84°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:55 am CDT
- Sunset: 6:45 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 46°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 14mphSSE 158°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:57 am CDT
- Sunset: 6:44 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 45°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphNE 53°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:58 am CDT
- Sunset: 6:42 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 59°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 13mphSE 136°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:59 am CDT
- Sunset: 6:40 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 54°F
Partly Cloudy / Wind
- Precip. probability: 24%
- Precipitation: 0.04"
- Wind: 22mphSSE 159°
- Humidity: 60%
- UV index: 3
- Sunrise: 8:01 am CDT
- Sunset: 6:39 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 39°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 15mphWNW 303°
- Humidity: 66%
- UV index: 3
- Sunrise: 8:02 am CDT
- Sunset: 6:37 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 43°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 9mphESE 109°
- Humidity: 64%
- UV index: 3
- Sunrise: 8:03 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 61°F
- 48°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 12mphSE 140°
- Humidity: 75%
- UV index: 3
- Sunrise: 8:04 am CDT
- Sunset: 6:34 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 45°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 14mphSE 146°
- Humidity: 71%
- UV index: 3
- Sunrise: 8:06 am CDT
- Sunset: 6:33 pm CDT
- details ▼
For the next ten days, a combination of mostly clear and gloomy weather is predicted.
With a 24% probability, rainfall is expected only on Friday. The precipitation will be minimal at 0.04".
There will be a considerable variation in temperature in the next ten days. The temperature is expected to swing from 57.2°F up to 77°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 39.2°F and 59°F.
Friday is expected to be the warmest, reaching up to 77°F; with the highest temperature of 57.2°F, next Sunday will be the coldest day.
With a 24% probability, rainfall is expected only on Friday. The precipitation will be minimal at 0.04".
There will be a considerable variation in temperature in the next ten days. The temperature is expected to swing from 57.2°F up to 77°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 39.2°F and 59°F.
Friday is expected to be the warmest, reaching up to 77°F; with the highest temperature of 57.2°F, next Sunday will be the coldest day.
Updated: Oct 18, 2026 @ 13:54:13 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 Gann Valley, sunny skies are in store, with excellent visibility.
Today, the maximum temperature will be 68°F, while the minimum temperature will be 41°F.
On Sunday, in Gann Valley, sunrise was at 7:54 am and sunset will be at 6:47 pm (CDT).
Today, the daylight will last for 10h and 53min.
