Weather forecast for 10 daysRalph, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 34°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 13mphNNE 15°
- Humidity: 37%
- UV index: 3
- Sunrise: 7:13 am MDT
- Sunset: 6:01 pm MDT
- details ▼
Tomorrow, mostly clear skies and sunshine will create ideal daytime conditions.
Temperature changes will be remarkable, ranging from a high of a comfortable 66.2°F to a low of a wintry 33.8°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 73°F.
Sunrise will be at 7:13 am and sunset at 6:01 pm; tomorrow's daylight will last for 10h and 48min.
Temperature changes will be remarkable, ranging from a high of a comfortable 66.2°F to a low of a wintry 33.8°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 73°F.
Sunrise will be at 7:13 am and sunset at 6:01 pm; tomorrow's daylight will last for 10h and 48min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 75°C.
Coldest day: Saturday 24.10. 52°C.
Coldest day: Saturday 24.10. 52°C.
Chance of precipitation
Highest chance: Saturday 24.10. 36%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 43°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphWNW 295°
- Humidity: 52%
- UV index: 0
- Sunrise: 7:11 am MDT
- Sunset: 6:03 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 34°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 13mphNNE 15°
- Humidity: 37%
- UV index: 3
- Sunrise: 7:13 am MDT
- Sunset: 6:01 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 19mphSE 137°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:14 am MDT
- Sunset: 5:59 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 39°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphS 173°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:16 am MDT
- Sunset: 5:57 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 45°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 9mphNE 55°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 5:56 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 54°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 16mphSSE 160°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:18 am MDT
- Sunset: 5:54 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 45°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.2"
- Wind: 17mphS 178°
- Humidity: 59%
- UV index: 2
- Sunrise: 7:20 am MDT
- Sunset: 5:52 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 34°F
AM Showers / Wind
- Precip. probability: 36%
- Precipitation: 0.04"
- Wind: 21mphWNW 302°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:21 am MDT
- Sunset: 5:51 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 55°F
- 37°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 14mphSE 124°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:22 am MDT
- Sunset: 5:49 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 39°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 12mphESE 116°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:24 am MDT
- Sunset: 5:48 pm MDT
- details ▼
For the next ten days, a combination of dull, dry and sunny and rainy weather is expected.
Rain is predicted for Friday and next Saturday.
Expect a substantial fluctuation in daytime highs in the upcoming days. Maximum temperatures are forecasted between 51.8°F and 75.2°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 33.8°F and 53.6°F.
With a maximum temperature of 75.2°F, Thursday and Friday will be the warmest days in Ralph; next Saturday will be the coldest day, with the highest temperature of 51.8°F.
Rain is predicted for Friday and next Saturday.
Expect a substantial fluctuation in daytime highs in the upcoming days. Maximum temperatures are forecasted between 51.8°F and 75.2°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 33.8°F and 53.6°F.
With a maximum temperature of 75.2°F, Thursday and Friday will be the warmest days in Ralph; next Saturday will be the coldest day, with the highest temperature of 51.8°F.
Updated: Oct 18, 2026 @ 02:30:14 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, a glowing sky and minimal clouds are expected.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 33.8°F.
The highest temperature will be noticeably higher than the average maximum of 54.5°F in October. Tomorrow, the lowest temperature will be relatively lower than the average low temperature.
The highest temperature will be noticeably higher than the average maximum of 54.5°F in October. Tomorrow, the lowest temperature will be relatively lower than the average low temperature.
On Sunday, in Ralph, sunrise will be at 7:13 am and sunset at 6:01 pm (MDT).
In Ralph, the length of the day tomorrow will be 10h and 48min.
