Weather forecast for tomorrowMount Vernon, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 41°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphE 91°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:52 am CDT
- Sunset: 6:43 pm CDT
- details ▼
On Monday, in Mount Vernon, sunlight and clouds will take turns dominating the sky.
A high of a delightful 68°F during the day contrasts markedly with a low of a cold 41°F at night.
The temperature of 68°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:52 am and sunset at 6:43 pm; tomorrow's daylight will last for 10h and 50min.
A high of a delightful 68°F during the day contrasts markedly with a low of a cold 41°F at night.
The temperature of 68°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:52 am and sunset at 6:43 pm; tomorrow's daylight will last for 10h and 50min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 8%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphNE 38°
- Humidity: 74%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNE 37°
- Humidity: 84%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 5mphNNE 31°
- Humidity: 90%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:36°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 5mphNE 34°
- Humidity: 93%
- Pressure: 30.21"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunrise: 7:52 am
- 8 am
- 41°F
- Feels like:37°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 5mphNE 43°
- Humidity: 91%
- Pressure: 30.24"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphENE 72°
- Humidity: 77%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphE 92°
- Humidity: 55%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphESE 104°
- Humidity: 44%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSE 125°
- Humidity: 41%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSE 126°
- Humidity: 47%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:43 pm
- 8 pm
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSE 125°
- Humidity: 62%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSE 135°
- Humidity: 74%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of dry and sunny and cloudy weather is predicted.
The temperature will vary between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature is more resembling September's average maximum of 76.1°F than October's usual of 58.5°F. The minimum temperature will be consistent with October's average low of 42.1°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature is more resembling September's average maximum of 76.1°F than October's usual of 58.5°F. The minimum temperature will be consistent with October's average low of 42.1°F.
Updated: Oct 18, 2026 @ 15:33:21 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 Monday, partly cloudy skies will persist, making for a mix of sun and clouds.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 41°F.
The highest temperature will be uncommonly higher than the average maximum of 58.5°F in October. The lowest temperature will be in line with the average low of 42.1°F.
The highest temperature will be uncommonly higher than the average maximum of 58.5°F in October. The lowest temperature will be in line with the average low of 42.1°F.
On Monday, in Mount Vernon, sunrise will be at 7:52 am and sunset at 6:43 pm (CDT).
Tomorrow in Mount Vernon, the daylight will last for 10h and 50min.
