Weather forecast for 10 daysEureka, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 15mphN 10°
- Humidity: 41%
- UV index: 3
- Sunrise: 7:59 am CDT
- Sunset: 6:47 pm CDT
- details ▼
Today, sunshine will likely continue with scattered clouds at most.
Substantial temperature fluctuations from a high of a delightful 68°F to a low of a cold 35.6°F are expected.
Today, weather will feel warmer as the high trends toward September's average of 74.5°F.
Sunrise was at 7:59 am and sunset will be at 6:47 pm; the daylight will last for 10h and 48min.
Substantial temperature fluctuations from a high of a delightful 68°F to a low of a cold 35.6°F are expected.
Today, weather will feel warmer as the high trends toward September's average of 74.5°F.
Sunrise was at 7:59 am and sunset will be at 6:47 pm; the daylight will last for 10h and 48min.
10-day overview
Daily temperatures
Warmest day: Friday 73°C.
Minimum temperature: 54°C.
Minimum temperature: 54°C.
Chance of precipitation
Highest chance: Friday 35%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 68°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 15mphN 10°
- Humidity: 41%
- UV index: 3
- Sunrise: 7:59 am CDT
- Sunset: 6:47 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphE 97°
- Humidity: 47%
- UV index: 3
- Sunrise: 8:00 am CDT
- Sunset: 6:45 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 43°F
Sunny
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 14mphSSE 154°
- Humidity: 68%
- UV index: 3
- Sunrise: 8:02 am CDT
- Sunset: 6:44 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphNE 44°
- Humidity: 69%
- UV index: 3
- Sunrise: 8:03 am CDT
- Sunset: 6:42 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 55°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphSE 135°
- Humidity: 71%
- UV index: 3
- Sunrise: 8:04 am CDT
- Sunset: 6:40 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 46°F
AM Showers / Wind
- Precip. probability: 35%
- Precipitation: 0.08"
- Wind: 22mphSSE 155°
- Humidity: 65%
- UV index: 2
- Sunrise: 8:06 am CDT
- Sunset: 6:39 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 54°F
- 34°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 17mphWNW 298°
- Humidity: 67%
- UV index: 2
- Sunrise: 8:07 am CDT
- Sunset: 6:37 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 55°F
- 39°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 11mphESE 116°
- Humidity: 62%
- UV index: 3
- Sunrise: 8:09 am CDT
- Sunset: 6:35 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 57°F
- 43°F
Mostly Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 14mphESE 121°
- Humidity: 73%
- UV index: 3
- Sunrise: 8:10 am CDT
- Sunset: 6:34 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 54°F
- 41°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphESE 123°
- Humidity: 79%
- UV index: 2
- Sunrise: 8:11 am CDT
- Sunset: 6:32 pm CDT
- details ▼
During the ten-day period, dry and sunny, overcast and showery weather is expected.
With a 35% probability, rainfall is anticipated only on Friday. The precipitation will be minimal at 0.08".
Temperature differences will be noticeable in the next ten days. Maximum temperatures are forecasted between 53.6°F and 73.4°F, while the fluctuation in night temperatures will be also significant, as the minimum temperature is expected to range between 33.8°F and 55.4°F.
With the highest temperature of 73.4°F, Friday will be the warmest day; the coldest days will be Saturday and next Tuesday, with a maximum of 53.6°F.
With a 35% probability, rainfall is anticipated only on Friday. The precipitation will be minimal at 0.08".
Temperature differences will be noticeable in the next ten days. Maximum temperatures are forecasted between 53.6°F and 73.4°F, while the fluctuation in night temperatures will be also significant, as the minimum temperature is expected to range between 33.8°F and 55.4°F.
With the highest temperature of 73.4°F, Friday will be the warmest day; the coldest days will be Saturday and next Tuesday, with a maximum of 53.6°F.
Updated: Oct 18, 2026 @ 13:58:50 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, the outlook remains bright and sunny.
Today, the maximum temperature will be 68°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be noticeably higher than the average highest temperature of 55.9°F in October. Today, the lowest temperature will be slightly cooler than the average low temperature.
The maximum temperature will be noticeably higher than the average highest temperature of 55.9°F in October. Today, the lowest temperature will be slightly cooler than the average low temperature.
On Sunday, in Eureka, sunrise was at 7:59 am and sunset will be at 6:47 pm (CDT).
Today, the daylight will last for 10h and 48min.
