Weather Alert
Mount Vernon Weather Warning NWS WEATHER ALERT FOR THE MOUNT VERNON, SD AREA - Issued: 421 AM CDT Sat Sep 26 2026 Mount Vernon Weather Warning

World > North America > United States > South Dakota > Mount Vernon  

Mount Vernon, SD Weather - Hour by Hour Forecast

Feedback E-mail the Weather

Quick Clicks

Mount Vernon, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 66°F19°C, dew point 63°F17°C, humidity 89%. Wind direction is SSE at 10 mph16 km/h with visibility of 10 mi16 km. Barometric pressure is 29.93 in1013 mb.
Today - Cloudy. A slight chance of showers. Highs in the lower 70s. Southeast winds 10 to 15 mph. Chance of rain 20%... Full Forecast
Tonight - Mostly cloudy. A slight chance of showers in the evening. Patchy fog after midnight. Lows around 60. Southeast winds 5 to 10 mph. .. Full Forecast

Mount Vernon Hourly Weather

24 Hour Forecast Scroll
Sat, Sep 26
Noon
Sat, Sep 26
1:00 pm
Sat, Sep 26
2:00 pm
Sat, Sep 26
3:00 pm
Sat, Sep 26
4:00 pm
Sat, Sep 26
5:00 pm
Sat, Sep 26
6:00 pm
Sat, Sep 26
7:00 pm
Sat, Sep 26
8:00 pm
Sat, Sep 26
9:00 pm
Sat, Sep 26
10:00 pm
Sat, Sep 26
11:00 pm
Sun, Sep 27
Midnight
Sun, Sep 27
1:00 am
Sun, Sep 27
2:00 am
Sun, Sep 27
3:00 am
Sun, Sep 27
4:00 am
Sun, Sep 27
5:00 am
Sun, Sep 27
6:00 am
Sun, Sep 27
7:00 am
Sun, Sep 27
8:00 am
Sun, Sep 27
9:00 am
Sun, Sep 27
10:00 am
Sun, Sep 27
11:00 am
Mount Vernon, SD Hourly Weather - Cloudy - 12:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 1:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 2:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 3:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 4:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 5:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 6:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 7:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 8:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 9:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 10:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 11:00 PM Mount Vernon, SD Hourly Weather - Cloudy - 12:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 1:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 2:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 3:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 4:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 5:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 6:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 7:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 8:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 9:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 10:00 AM Mount Vernon, SD Hourly Weather - Cloudy - 11:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
67°F19°C 69°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 68°F20°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 64°F18°C 64°F18°C 65°F18°C 67°F19°C
- - - - - - - - - - - - - - - - - - - - - - - -
17% 17% 15% 15% 15% 15% 15% 15% 8% 8% 8% 8% 8% 8% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1%
62°F17°C 63°F17°C 63°F17°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 61°F16°C 61°F16°C 62°F17°C
84% 81% 79% 81% 79% 79% 79% 79% 81% 84% 87% 87% 87% 87% 87% 87% 87% 87% 90% 90% 87% 90% 87% 84%
SSE SSE SSE SSE SSE SSE SE SE SE SE SE SE SE SE SE SE SE ESE E E E E E E
11 mph 11 mph 11 mph 8 mph 8 mph 8 mph 7 mph 7 mph 7 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 mph 6 mph 6 mph 6 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 3 mi5 km .75 mi1 km .5 mi1 km .5 mi1 km .25 mi0 km .25 mi0 km .5 mi1 km 3 mi5 km 5 mi8 km 6 mi10 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMHE model statistics.

Trending Headlines

Trending Entertainment Headlines

Mount Vernon Radar Loop

Use the map search tool if you want to place a location marker on the radar map...
Prob Precip % = Probability of Precipitation.

Mount Vernon 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

E-mail the Mount Vernon Weather Forecast

Voice your opinion or tell us about page issues...

Mount Vernon SD Weather - 1:57 pm

What are people saying?

Contact Us