Mount Vernon, SD Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Mount Vernon, SD in one place.
A chance of showers and thunderstorms before 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. South wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Mount Vernon, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 1, 2026 5:04 PM CDT.
The active forecast window currently covers Jun 3 to Jun 7, 2026 for Mount Vernon, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 5:04 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Mount Vernon
Sunday looks like the warmest upcoming period in Mount Vernon at 90 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Wednesday at about 20 to 25 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 5:04 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 60. Chance of precipitation is 40%.
Mostly sunny, with a high near 87.
Mostly clear, with a low around 63.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
82°F |
20 to 25 mph
S
|
|
Wednesday Night
Jun 3
|
Showers And Thunderstorms
|
59°F |
10 to 20 mph
S
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms
|
83°F |
10 to 15 mph
S
|
|
Thursday Night
Jun 4
|
Showers And Thunderstorms Likely
|
60°F |
5 to 15 mph
SE
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
85°F |
10 to 15 mph
SSE
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
60°F |
10 to 15 mph
NNW
|
|
Saturday
Jun 6
|
Mostly Sunny
|
87°F |
10 to 15 mph
NE
|
|
Saturday Night
Jun 6
|
Mostly Clear
|
63°F |
15 mph
SE
|
|
Sunday
Jun 7
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
15 to 25 mph
SE
|
|
Sunday Night
Jun 7
|
Slight Chance Showers And Thunderstorms
|
64°F |
15 to 20 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mount Vernon.