Current Weather Forecast for Mount Vernon

SD 57363  |   11:35am

Weather Conditions

44°

Feels Like 38°

Sunny

16° 45°

1

UV Index

Good

Air Quality

WNW 12 mph

Wind

0 in

rain

Today

Wed 12/31

45°

Highest Temperature

2%

Sunny skies this morning will become overcast during the afternoon. High around 45F. Winds NNW at 15 to 25 mph.

Tonight

Wed 12/31

15°

Lowest Temperature

3%

Mostly cloudy skies early, then partly cloudy after midnight. Low near 15F. Winds NE at 10 to 20 mph.

Tomorrow

Thu 1/1

33°

Highest Temperature

5%

Partly cloudy skies. High 33F. Winds ESE at 5 to 10 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Mount Vernon

Hourly Weather Forecast & Temperature

12PM

45°

Feels Like 39°

Sunny

NW 13 mph

Wind

1016 mb

Pressure

54%

Humidity

1

UV Index

10mi

Visibility

0%

Cloud Cover

1PM

1%

44°

Feels Like 37°

Mostly Sunny

NNW 15 mph

Wind

1015 mb

Pressure

53%

Humidity

1

UV Index

10mi

Visibility

20%

Cloud Cover

2PM

1%

41°

Feels Like 33°

Partly Cloudy

N 18 mph

Wind

1016 mb

Pressure

58%

Humidity

1

UV Index

10mi

Visibility

46%

Cloud Cover

3PM

2%

33°

Feels Like 22°

Mostly Cloudy

N 18 mph

Wind

1018 mb

Pressure

71%

Humidity

0

UV Index

10mi

Visibility

68%

Cloud Cover

4PM

2%

30°

Feels Like 18°

Cloudy

N 17 mph

Wind

1019 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

85%

Cloud Cover

5PM

2%

27°

Feels Like 15°

Cloudy

N 15 mph

Wind

1021 mb

Pressure

76%

Humidity

0

UV Index

10mi

Visibility

96%

Cloud Cover

6PM

2%

24°

Feels Like 12°

Cloudy

N 14 mph

Wind

1022 mb

Pressure

76%

Humidity

0

UV Index

10mi

Visibility

87%

Cloud Cover

7PM

3%

21°

Feels Like 9°

Mostly Cloudy

N 13 mph

Wind

1023 mb

Pressure

74%

Humidity

0

UV Index

10mi

Visibility

79%

Cloud Cover

8PM

3%

20°

Feels Like 7°

Mostly Cloudy

N 12 mph

Wind

1023 mb

Pressure

72%

Humidity

0

UV Index

10mi

Visibility

74%

Cloud Cover

9PM

2%

19°

Feels Like 6°

Mostly Cloudy

N 11 mph

Wind

1024 mb

Pressure

68%

Humidity

0

UV Index

10mi

Visibility

73%

Cloud Cover

10PM

2%

18°

Feels Like 6°

Mostly Cloudy

NNE 10 mph

Wind

1024 mb

Pressure

68%

Humidity

0

UV Index

10mi

Visibility

71%

Cloud Cover

11PM

2%

17°

Feels Like 7°

Partly Cloudy

NNE 7 mph

Wind

1023 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

57%

Cloud Cover

Wed 12/31

Wed

2%

16°

45°

Mix of sun and clouds. Highs in the mid 40s and lows in the mid teens.

12°

Feels Like

NNW 18 mph

Wind

65%

Humidity

1

UV Index

8:06 AM

Sunrise

5:06 PM

Sunset

Thu 1/1

Thu

5%

15°

33°

Times of sun and clouds. Highs in the low 30s and lows in the upper teens.

7°

Feels Like

ESE 9 mph

Wind

68%

Humidity

1

UV Index

8:06 AM

Sunrise

5:06 PM

Sunset

Fri 1/2

Fri

7%

17°

29°

Cloudy. Highs in the upper 20s and lows in the low 20s.

10°

Feels Like

E 7 mph

Wind

75%

Humidity

1

UV Index

8:06 AM

Sunrise

5:07 PM

Sunset

Sat 1/3

Sat

7%

23°

35°

Partly cloudy. Highs in the mid 30s and lows in the mid 20s.

18°

Feels Like

NNW 7 mph

Wind

78%

Humidity

1

UV Index

8:06 AM

Sunrise

5:08 PM

Sunset

Sun 1/4

Sun

6%

26°

48°

Times of sun and clouds. Highs in the upper 40s and lows in the mid 20s.

20°

Feels Like

S 16 mph

Wind

69%

Humidity

1

UV Index

8:06 AM

Sunrise

5:09 PM

Sunset

Mon 1/5

Mon

8%

26°

44°

Mix of sun and clouds. Highs in the mid 40s and lows in the upper 20s.

20°

Feels Like

E 7 mph

Wind

79%

Humidity

1

UV Index

8:06 AM

Sunrise

5:10 PM

Sunset

Tue 1/6

Tue

6%

29°

42°

Partly cloudy. Highs in the low 40s and lows in the mid 20s.

22°

Feels Like

WSW 10 mph

Wind

80%

Humidity

1

UV Index

8:06 AM

Sunrise

5:11 PM

Sunset

Wed 1/7

Wed

5%

26°

45°

Partly cloudy. Highs in the mid 40s and lows in the mid 20s.

19°

Feels Like

WSW 12 mph

Wind

63%

Humidity

1

UV Index

8:06 AM

Sunrise

5:12 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from South Dakota

See the top 5 wildest moments in weather caught on camera live from the field in 2025

The year 2025 has been filled with plenty of ups and downs in the world of weather, but not without some interesting moments caught on camera.

Christmas weather outlook: Millions to see 'nice' forecast with a touch of 'naughty' across nation

Naughty or nice, how will the weather be in your region on Christmas Day?

Blizzards: What are they and when do they occur?

Blizzards are known to be dangerous winter storms that cause blowing snow and strong winds, resulting in very low visibility. A blizzard is achieved when winds are at 35 mph or higher for three or more hours with visibility less than a quarter of a mile.

Coast-to-coast storm comes to an end after delivering gusty winds to Northeast, Midwest

The damaging winds caused by a massive coast-to-coast storm that brought impacts to more than 30 states from the Northwest to the Northeast are easing up on Saturday after reports of 60+ mph winds in the East and 100+ mph winds in the Upper Midwest.

Load More Stories