How is the weather in Mount Vernon, SD?

At 9:31 AM on Tue, Sep 9, 2025 it is 65 degrees Fahrenheit, feeling like 65 degrees.

Mount Vernon, SD Weather Forecast and Current Conditions (57363)

65°F
Feels Like 65°F

Humidity 95% Dew Point 63°F Wind NW 1 MPH Gusts 2 Barometer 29.79 in.756.7 mm

Solar Rad 101 w/m2 UV Index 0

Report from 7.4 miles WSW of central Mount Vernon at 9:31 AM Tue, Sep 9, 2025

Current Weather

65°F
Feels Like 65°F

Humidity 95% Dew Point 63°F Wind NW 1 MPH Gusts 2 Barometer 29.79 in.756.7 mm

Solar Rad 101 w/m2 UV Index 0

Report from 7.4 miles WSW of central Mount Vernon at 9:31 AM Tue, Sep 9, 2025

Forecast at a Glance

TueSep 9

84°

58°

WedSep 10

83°

62°

ThuSep 11

10%

87°

66°

FriSep 12

10%

91°

66°

SatSep 13

20%

90°

62°

SunSep 14

40%

83°

60°

MonSep 15

20%

83°

60°

This Date in Weather History

1971 - Hurricane Ginger formed, and remained a hurricane until the 5th of October. The 27 day life span was the longest of record for any hurricane in the North Atlantic Ocean.

Mount Vernon 7 Day Weather Forecast Details

Tuesday Sep 9

Day: Mostly sunny, with a high near 84. East wind 5 to 10 mph.

Night: Partly cloudy, with a low around 58. East northeast wind 5 to 10 mph.

Wednesday Sep 10

Day: Mostly sunny, with a high near 83. East wind 5 to 15 mph.

Night: Partly cloudy, with a low around 62. Southeast wind 10 to 15 mph.

Thursday Sep 11

Day: Partly sunny. High near 87, with temperatures falling to around 84 in the afternoon. Southeast wind 15 to 20 mph, with gusts as high as 35 mph.

Night: Mostly cloudy, with a low around 66. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

Friday Sep 12

Day: Mostly sunny, with a high near 91.

Night: A slight chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 66.

Saturday Sep 13

Day: A slight chance of showers and thunderstorms. Partly sunny, with a high near 90.

Night: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

Sunday Sep 14

Day: A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

Monday Sep 15

Day: A slight chance of rain showers. Mostly sunny, with a high near 83.

Night: A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.

Sun & Moon Monthly

First Light 6:38 AM

Sunrise 7:07 AM

Sunset 7:56 PM

Last Light 8:25 PM

Moonrise 8:41 PM

Moonset 9:15 AM

Moon Phase

Local Parks Weather - Plan Ahead to Enjoy Your Day

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