Hourly Weather Forecast - Grenville, SD

12 AM
1°F
10%
10mph
N
Partly Cloudy
Humidity
85%
Feels like
-15°F
Dew Point
-3°F
1 AM
0°F
10%
10mph
N
Mostly Cloudy
Humidity
84%
Feels like
-16°F
Dew Point
-4°F
2 AM
-1°F
10%
10mph
N
Very Cold
Humidity
83%
Feels like
-18°F
Dew Point
-5°F
3 AM
-3°F
10%
10mph
N
Very Cold
Humidity
82%
Feels like
-19°F
Dew Point
-7°F
4 AM
-4°F
10%
10mph
N
Very Cold
Humidity
82%
Feels like
-21°F
Dew Point
-8°F
5 AM
-5°F
10%
10mph
N
Very Cold
Humidity
82%
Feels like
-23°F
Dew Point
-9°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend 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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