Hourly Weather Forecast - Grenville, SD

12 AM
4°F
0%
9mph
WNW
Clear
Humidity
82%
Feels like
-11°F
Dew Point
0°F
1 AM
4°F
10%
9mph
W
Clear
Humidity
83%
Feels like
-10°F
Dew Point
0°F
2 AM
4°F
10%
9mph
W
Clear
Humidity
82%
Feels like
-10°F
Dew Point
0°F
3 AM
4°F
10%
9mph
W
Clear
Humidity
82%
Feels like
-9°F
Dew Point
0°F
4 AM
4°F
10%
8mph
WSW
Clear
Humidity
83%
Feels like
-9°F
Dew Point
0°F
5 AM
4°F
10%
8mph
WSW
Mostly Clear
Humidity
83%
Feels like
-9°F
Dew Point
0°F
6 AM
4°F
10%
8mph
WSW
Partly Cloudy
Humidity
83%
Feels like
-9°F
Dew Point
1°F
7 AM
5°F
20%
8mph
WSW
Partly Cloudy
Humidity
83%
Feels like
-8°F
Dew Point
1°F
8 AM
5°F
30%
8mph
WSW
30% Chance of Flurries
Humidity
83%
Feels like
-7°F
Dew Point
1°F
8:01 AM
9 AM
6°F
30%
8mph
WSW
30% Chance of Flurries
Humidity
82%
Feels like
-6°F
Dew Point
2°F
10 AM
8°F
30%
8mph
W
30% Chance of Flurries
Humidity
79%
Feels like
-4°F
Dew Point
3°F
11 AM
11°F
30%
8mph
W
30% Chance of Flurries
Humidity
76%
Feels like
-1°F
Dew Point
5°F
12 PM
13°F
20%
8mph
W
Cloudy
Humidity
74%
Feels like
1°F
Dew Point
6°F
1 PM
14°F
20%
8mph
WNW
Cloudy
Humidity
73%
Feels like
3°F
Dew Point
7°F
2 PM
14°F
20%
7mph
NW
Cloudy
Humidity
73%
Feels like
5°F
Dew Point
7°F
3 PM
14°F
20%
6mph
NW
Mostly Cloudy
Humidity
74%
Feels like
5°F
Dew Point
7°F
4 PM
13°F
20%
7mph
NNW
Mostly Cloudy
Humidity
76%
Feels like
3°F
Dew Point
7°F
5 PM
11°F
20%
7mph
N
Mostly Cloudy
Humidity
79%
Feels like
0°F
Dew Point
5°F
5:21 PM
6 PM
9°F
20%
8mph
N
Mostly Cloudy
Humidity
81%
Feels like
-3°F
Dew Point
4°F
7 PM
7°F
20%
8mph
N
Mostly Cloudy
Humidity
82%
Feels like
-5°F
Dew Point
3°F
8 PM
6°F
20%
9mph
NNE
Mostly Cloudy
Humidity
83%
Feels like
-8°F
Dew Point
2°F
9 PM
5°F
20%
9mph
NNE
Partly Cloudy
Humidity
83%
Feels like
-9°F
Dew Point
1°F
10 PM
4°F
10%
9mph
NNE
Partly Cloudy
Humidity
83%
Feels like
-11°F
Dew Point
0°F
11 PM
3°F
10%
9mph
N
Partly Cloudy
Humidity
83%
Feels like
-11°F
Dew Point
-1°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings More Snow for 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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