10-day forecast for Mount Vernon, SD: 32° to 66°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Wednesday, November 18
54° · 0.56 in
Worst day: Friday, November 20
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1656° / 38°0
Morning40°feels 32°
Afternoon56°feels 54°
Evening48°feels 43°
Overnight39°feels 31°
56 °
Mount Vernon, Monday, 16 November
Clear. High 56°, low 38°.
Pressure30.18 inHg
Wind12.7 mph S
Humidity60%
Visibility6.2 mi
Dew point40°
Tue, 1754° / 43°0
Morning43°feels 37°
Afternoon54°feels 52°
Evening52°feels 51°
Overnight45°feels 40°
54 °
Mount Vernon, Tuesday, 17 November
Overcast. High 54°, low 43°.
Pressure30.03 inHg
Wind18.6 mph S
Humidity68%
Visibility6.2 mi
Dew point43°
Wed, 1866° / 47°0
Morning48°feels 43°
Afternoon66°feels 64°
Evening55°feels 52°
Overnight50°feels 44°
66 °
Mount Vernon, Wednesday, 18 November
Mostly clear. High 66°, low 47°.
Pressure29.71 inHg
Wind16.4 mph S
Humidity60%
Visibility6.2 mi
Dew point47°
Thu, 1950° / 38°0
Morning42°feels 35°
Afternoon49°feels 45°
Evening41°feels 39°
Overnight44°feels 38°
50 °
Mount Vernon, Thursday, 19 November
Mostly clear. High 50°, low 38°.
Pressure30.21 inHg
Wind14.5 mph W
Humidity55%
Visibility6.2 mi
Dew point33°
Fri, 2054° / 35°0.56
Morning42°feels 35°
Afternoon48°feels 43°
Evening54°feels 54°
Overnight51°feels 49°
54 °
Mount Vernon, Friday, 20 November
Rain. High 54°, low 35°.
Pressure29.88 inHg
Wind16.2 mph SE
Humidity90%
Visibility—
Dew point43°
Sat, 2150° / 39°0.02
Morning43°feels 35°
Afternoon45°feels 37°
Evening42°feels 37°
Overnight40°feels 34°
50 °
Mount Vernon, Saturday, 21 November
Light rain. High 50°, low 39°.
Pressure29.88 inHg
Wind18.7 mph W
Humidity62%
Visibility—
Dew point32°
Sun, 2247° / 34°0
Morning37°feels 33°
Afternoon43°feels 38°
Evening40°feels 34°
Overnight37°feels 31°
47 °
Mount Vernon, Sunday, 22 November
Overcast. High 47°, low 34°.
Pressure30.21 inHg
Wind9.6 mph SE
Humidity59%
Visibility—
Dew point28°
Mon, 2345° / 35°0.03
Morning38°feels 30°
Afternoon43°feels 36°
Evening41°feels 37°
Overnight38°feels 31°
45 °
Mount Vernon, Monday, 23 November
Light rain. High 45°, low 35°.
Pressure30.21 inHg
Wind15.4 mph SE
Humidity60%
Visibility—
Dew point29°
Tue, 2441° / 37°0.09
Morning38°feels 31°
Afternoon39°feels 34°
Evening38°feels 33°
Overnight38°feels 31°
41 °
Mount Vernon, Tuesday, 24 November
Light rain. High 41°, low 37°.
Pressure30.15 inHg
Wind11.2 mph SE
Humidity86%
Visibility—
Dew point35°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Mount Vernon, SD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.