Weather today - Mount Vernon, SD

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Weather forecast for today

Current condition 3:01 pm CDT

70°F
Feels like:
70°F

Sunny / Wind

Precipitation: 0"
Wind: 21mphS 180°
Humidity: 26%
Dewpoint: 34°F
Pressure: 30.09"Hg
Visibility: 10mi
UV index: 3
details ▼

At the moment, in Mount Vernon, the weather is bright and breezy.
The temperature is a delightful 69.8°F.

Saturday Oct 17, 2026

min.
45°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 20mphS 187°
Humidity: 46%
UV index: 0
Sunrise: 7:50 am CDT
Sunset: 6:46 pm CDT
details ▼

In Mount Vernon, for the rest of Saturday, a cloudless sky and clear weather are expected.
The lowest temperature will be a brisk 44.6°F.
Sunrise was at 7:50 am and sunset will be at 6:46 pm; the daylight will last for 10h and 56min.

Hourly overview

Hourly temperatures

Warmest period: 4 pm - 5 pm 70°C.
Coldest period: 10 pm - 12 am 54°C.

Chance of precipitation

Highest chance: 4 pm - 12 am 0%.

Hourly weather forecast

4 pm

70°F
Feels like:
70°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 19mphS 188°
Humidity: 26%
Pressure: 30.06"Hg
Visibility: 10mi
UV index: 2
details ▼

5 pm

70°F
Feels like:
70°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 17mphS 185°
Humidity: 27%
Pressure: 30.03"Hg
Visibility: 10mi
UV index: 1
details ▼

6 pm

66°F
Feels like:
66°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 15mphS 183°
Humidity: 30%
Pressure: 30"Hg
Visibility: 10mi
UV index: 0
details ▼

Sunset: 6:46 pm

7 pm

61°F
Feels like:
59°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 14mphS 180°
Humidity: 36%
Pressure: 30"Hg
Visibility: 10mi
UV index: 0
details ▼

8 pm

57°F
Feels like:
55°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 14mphS 178°
Humidity: 42%
Pressure: 30"Hg
Visibility: 10mi
UV index: 0
details ▼

9 pm

55°F
Feels like:
52°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 15mphS 182°
Humidity: 46%
Pressure: 30.03"Hg
Visibility: 10mi
UV index: 0
details ▼

10 pm

54°F
Feels like:
50°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 15mphS 186°
Humidity: 48%
Pressure: 30"Hg
Visibility: 10mi
UV index: 0
details ▼

11 pm

54°F
Feels like:
48°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 16mphS 191°
Humidity: 50%
Pressure: 30"Hg
Visibility: 10mi
UV index: 0
details ▼

12 am

54°F
Feels like:
48°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 15mphSSW 192°
Humidity: 51%
Pressure: 30"Hg
Visibility: 10mi
UV index: 0
details ▼

1 am

52°F
Feels like:
46°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 14mphSSW 192°
Humidity: 53%
Pressure: 30"Hg
Visibility: 10mi
UV index: 0
details ▼

During the afternoon and for the rest of the day, sunny conditions are likely to prevail.
The temperature will be between a maximum of 69.8°F and a minimum of 53.6°F.

Updated: Oct 17, 2026 @ 20:01:17 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate