Hourly Weather Forecast - Lyons, SD

12 AM
21°F
0%
8mph
S
Cloudy
Humidity
94%
Feels like
12°F
Dew Point
20°F
1 AM
22°F
0%
9mph
S
Cloudy
Humidity
93%
Feels like
12°F
Dew Point
20°F
2 AM
22°F
0%
9mph
S
Mostly Cloudy
Humidity
92%
Feels like
12°F
Dew Point
20°F
3 AM
23°F
0%
10mph
S
Mostly Cloudy
Humidity
91%
Feels like
12°F
Dew Point
20°F
4 AM
24°F
0%
11mph
S
Mostly Cloudy
Humidity
89%
Feels like
13°F
Dew Point
21°F
5 AM
25°F
0%
11mph
S
Mostly Cloudy
Humidity
88%
Feels like
14°F
Dew Point
22°F
6 AM
26°F
0%
12mph
S
Mostly Cloudy
Humidity
88%
Feels like
15°F
Dew Point
23°F
7 AM
27°F
0%
12mph
S
Mostly Cloudy
Humidity
88%
Feels like
16°F
Dew Point
24°F
7:55 AM
8 AM
28°F
0%
11mph
S
Cloudy
Humidity
90%
Feels like
18°F
Dew Point
25°F
9 AM
29°F
0%
11mph
SSW
Cloudy
Humidity
90%
Feels like
19°F
Dew Point
26°F
10 AM
30°F
0%
11mph
SSW
Cloudy
Humidity
89%
Feels like
21°F
Dew Point
28°F
11 AM
33°F
0%
11mph
SSW
Mostly Cloudy
Humidity
87%
Feels like
24°F
Dew Point
29°F
12 PM
34°F
0%
11mph
SW
Mostly Cloudy
Humidity
85%
Feels like
26°F
Dew Point
30°F
1 PM
36°F
0%
10mph
SW
Partly Cloudy
Humidity
83%
Feels like
28°F
Dew Point
31°F
2 PM
37°F
0%
10mph
WSW
Partly Cloudy
Humidity
82%
Feels like
29°F
Dew Point
31°F
3 PM
37°F
0%
11mph
WSW
Partly Cloudy
Humidity
81%
Feels like
30°F
Dew Point
32°F
4 PM
37°F
0%
10mph
W
Mostly Sunny
Humidity
81%
Feels like
29°F
Dew Point
31°F
4:51 PM
5 PM
36°F
0%
10mph
W
Partly Cloudy
Humidity
82%
Feels like
29°F
Dew Point
31°F
6 PM
35°F
0%
10mph
W
Partly Cloudy
Humidity
83%
Feels like
28°F
Dew Point
31°F
7 PM
35°F
0%
10mph
W
Mostly Cloudy
Humidity
84%
Feels like
27°F
Dew Point
30°F
8 PM
34°F
0%
10mph
W
Cloudy
Humidity
86%
Feels like
26°F
Dew Point
30°F
9 PM
33°F
10%
9mph
W
Cloudy
Humidity
88%
Feels like
25°F
Dew Point
30°F
10 PM
32°F
10%
9mph
WNW
Mostly Cloudy
Humidity
89%
Feels like
25°F
Dew Point
29°F
11 PM
31°F
10%
8mph
WNW
Partly Cloudy
Humidity
90%
Feels like
24°F
Dew Point
29°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Rains Finally Easing Across the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide