Hourly Weather Forecast - Mount Vernon, SD

12 AM
-5°F
20%
10mph
E
Very Cold
Humidity
71%
Feels like
-22°F
Dew Point
-12°F
1 AM
-6°F
20%
10mph
E
Very Cold
Humidity
70%
Feels like
-23°F
Dew Point
-13°F
2 AM
-6°F
10%
10mph
ESE
Very Cold
Humidity
69%
Feels like
-23°F
Dew Point
-13°F
3 AM
-6°F
10%
9mph
ESE
Very Cold
Humidity
69%
Feels like
-23°F
Dew Point
-14°F
4 AM
-7°F
20%
9mph
ESE
Very Cold
Humidity
70%
Feels like
-23°F
Dew Point
-14°F
5 AM
-7°F
20%
10mph
ESE
Very Cold
Humidity
71%
Feels like
-24°F
Dew Point
-14°F
6 AM
-7°F
20%
10mph
ESE
Very Cold
Humidity
72%
Feels like
-24°F
Dew Point
-14°F
7 AM
-7°F
20%
10mph
ESE
Very Cold
Humidity
73%
Feels like
-24°F
Dew Point
-13°F
7:57 AM
8 AM
-7°F
20%
10mph
SE
Very Cold
Humidity
73%
Feels like
-24°F
Dew Point
-13°F
9 AM
-5°F
20%
10mph
SE
Very Cold
Humidity
73%
Feels like
-22°F
Dew Point
-12°F
10 AM
-3°F
20%
10mph
SE
Very Cold
Humidity
70%
Feels like
-20°F
Dew Point
-10°F
11 AM
0°F
20%
11mph
SE
Sunny
Humidity
67%
Feels like
-16°F
Dew Point
-8°F
12 PM
3°F
20%
11mph
SE
Sunny
Humidity
64%
Feels like
-13°F
Dew Point
-7°F
1 PM
5°F
20%
11mph
SE
Sunny
Humidity
62%
Feels like
-10°F
Dew Point
-5°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and eastern U.S.

Monday's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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