Weather forecast for 10 daysMcCook Lake, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 70°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphS 182°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:42 am CDT
- Sunset: 6:39 pm CDT
- details ▼
Today, on Sunday, October 18, bright and sunny weather is expected.
Temperature values will vary noticeably, extending from a pleasant 69.8°F to a cold 41°F.
Today, the temperature will be higher and more consistent with September's typical high of 76.1°F than with October's 59.9°F.
Sunrise was at 7:42 am and sunset will be at 6:39 pm; the daylight will last for 10h and 56min.
Temperature values will vary noticeably, extending from a pleasant 69.8°F to a cold 41°F.
Today, the temperature will be higher and more consistent with September's typical high of 76.1°F than with October's 59.9°F.
Sunrise was at 7:42 am and sunset will be at 6:39 pm; the daylight will last for 10h and 56min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 77°C.
Coldest day: Sunday 25.10. 64°C.
Coldest day: Sunday 25.10. 64°C.
Chance of precipitation
Highest chance: Saturday 40%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 70°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphS 182°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:42 am CDT
- Sunset: 6:39 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 43°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphSE 144°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:44 am CDT
- Sunset: 6:37 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 48°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 13mphSSE 156°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:45 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 50°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphS 175°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:46 am CDT
- Sunset: 6:34 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphSE 146°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:47 am CDT
- Sunset: 6:33 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 61°F
Mostly Cloudy
- Precip. probability: 15%
- Precipitation: 0.04"
- Wind: 19mphSSE 156°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:48 am CDT
- Sunset: 6:31 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 73°F
- 48°F
Showers
- Precip. probability: 40%
- Precipitation: 0.2"
- Wind: 16mphSSW 192°
- Humidity: 54%
- UV index: 2
- Sunrise: 7:50 am CDT
- Sunset: 6:30 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 64°F
- 48°F
Mostly Sunny
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 8mphNNE 13°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:51 am CDT
- Sunset: 6:28 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 52°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphSE 133°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:52 am CDT
- Sunset: 6:27 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 68°F
- 50°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 14mphSSE 154°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:53 am CDT
- Sunset: 6:25 pm CDT
- details ▼
For the next ten days, a combination of dry and sunny, overcast and damp weather is predicted.
Rainfall is anticipated on Friday, Saturday and next Tuesday.
Noticeable swings in temperature are expected across the forecast period. The temperature is expected to swing from 64.4°F up to 77°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 41°F to 60.8°F.
The warmest days in McCook Lake will be Thursday and Friday, with a maximum of 77°F; the coldest day will be next Sunday, with a maximum of 64.4°F.
Rainfall is anticipated on Friday, Saturday and next Tuesday.
Noticeable swings in temperature are expected across the forecast period. The temperature is expected to swing from 64.4°F up to 77°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 41°F to 60.8°F.
The warmest days in McCook Lake will be Thursday and Friday, with a maximum of 77°F; the coldest day will be next Sunday, with a maximum of 64.4°F.
Updated: Oct 18, 2026 @ 13:36:03 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, the forecast calls for abundant sunshine.
Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 41°F.
The highest temperature today will be notably higher than the average maximum of 59.9°F in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature today will be notably higher than the average maximum of 59.9°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in McCook Lake, sunrise was at 7:42 am and sunset will be at 6:39 pm (CDT).
In McCook Lake, today, there will be 10h and 56min of daylight.
