Weather forecast for 10 daysInterior, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 72°F
- 36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphN 359°
- Humidity: 42%
- UV index: 3
- Sunrise: 7:06 am MDT
- Sunset: 5:59 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, sunny conditions are also expected to continue.
Temperature fluctuations will be substantial, ranging from a peak of a pleasant 71.6°F to a low of an icy 35.6°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 77.5°F, not October's.
Sunrise will be at 7:06 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 53min.
Temperature fluctuations will be substantial, ranging from a peak of a pleasant 71.6°F to a low of an icy 35.6°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 77.5°F, not October's.
Sunrise will be at 7:06 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 53min.
10-day overview
Daily temperatures
Warmest day: Thursday 81°C.
Coldest day: Saturday 24.10. 61°C.
Coldest day: Saturday 24.10. 61°C.
Chance of precipitation
Highest chance: Saturday 24.10. 34%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 41°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphWSW 241°
- Humidity: 50%
- UV index: 0
- Sunrise: 7:05 am MDT
- Sunset: 6:01 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 72°F
- 36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphN 359°
- Humidity: 42%
- UV index: 3
- Sunrise: 7:06 am MDT
- Sunset: 5:59 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphE 79°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:07 am MDT
- Sunset: 5:58 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphS 187°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:08 am MDT
- Sunset: 5:56 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 45°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphN 349°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:10 am MDT
- Sunset: 5:54 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 81°F
- 59°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 13mphS 179°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:11 am MDT
- Sunset: 5:53 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 16mphS 183°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:12 am MDT
- Sunset: 5:51 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 61°F
- 39°F
AM Showers
- Precip. probability: 34%
- Precipitation: 0.04"
- Wind: 16mphNNW 327°
- Humidity: 56%
- UV index: 2
- Sunrise: 7:13 am MDT
- Sunset: 5:50 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 64°F
- 45°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphSE 143°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 5:48 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 63°F
- 43°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 11mphSE 144°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:16 am MDT
- Sunset: 5:47 pm MDT
- details ▼
Looking ahead, conditions suggest a period of bright, cloud-filled and showery weather is anticipated.
Rainfall is predicted for Friday and next Saturday.
Significant changes in temperature are expected across the forecast period. Forecast highs will fluctuate between 60.8°F and 80.6°F, while the nightly low temperatures will show also a considerable swing, as the overnight lows will vary from 35.6°F to 59°F.
Thursday is expected to be the warmest, reaching up to 80.6°F; the coldest day will be next Saturday, with a maximum of 60.8°F.
Rainfall is predicted for Friday and next Saturday.
Significant changes in temperature are expected across the forecast period. Forecast highs will fluctuate between 60.8°F and 80.6°F, while the nightly low temperatures will show also a considerable swing, as the overnight lows will vary from 35.6°F to 59°F.
Thursday is expected to be the warmest, reaching up to 80.6°F; the coldest day will be next Saturday, with a maximum of 60.8°F.
Updated: Oct 17, 2026 @ 22:11:29 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
Tomorrow, the weather remains calm, bright, and sunny.
Tomorrow, the maximum temperature will be 71.6°F, while the minimum temperature will be 35.6°F.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 59.2°F in October. Tomorrow, the lowest temperature will be slightly cooler than the average low temperature.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 59.2°F in October. Tomorrow, the lowest temperature will be slightly cooler than the average low temperature.
On Sunday, in Interior, sunrise will be at 7:06 am and sunset at 5:59 pm (MDT).
In Interior, South Dakota, the length of the day tomorrow will be 10h and 53min.
