Hourly Weather Forecast - Lyons, SD

12 AM
31°F
10%
12mph
S
Mostly Clear
Humidity
68%
Feels like
21°F
Dew Point
22°F
1 AM
30°F
10%
12mph
S
Partly Cloudy
Humidity
69%
Feels like
21°F
Dew Point
21°F
2 AM
30°F
0%
13mph
S
Partly Cloudy
Humidity
70%
Feels like
20°F
Dew Point
21°F
3 AM
30°F
0%
13mph
S
Mostly Cloudy
Humidity
71%
Feels like
20°F
Dew Point
22°F
4 AM
30°F
0%
12mph
SSE
Partly Cloudy
Humidity
72%
Feels like
20°F
Dew Point
22°F
5 AM
30°F
0%
12mph
SSE
Partly Cloudy
Humidity
73%
Feels like
20°F
Dew Point
22°F
6 AM
30°F
0%
12mph
SSE
Mostly Clear
Humidity
74%
Feels like
20°F
Dew Point
23°F
7 AM
30°F
0%
12mph
SSE
Clear
Humidity
76%
Feels like
20°F
Dew Point
23°F
7:58 AM
8 AM
30°F
0%
12mph
SSE
Sunny
Humidity
77%
Feels like
21°F
Dew Point
24°F
9 AM
31°F
0%
13mph
S
Mostly Sunny
Humidity
77%
Feels like
22°F
Dew Point
25°F
10 AM
34°F
0%
13mph
S
Sunny
Humidity
74%
Feels like
24°F
Dew Point
26°F
11 AM
37°F
0%
14mph
S
Sunny
Humidity
70%
Feels like
28°F
Dew Point
28°F
12 PM
39°F
0%
14mph
S
Sunny
Humidity
67%
Feels like
31°F
Dew Point
29°F
1 PM
40°F
0%
13mph
S
Mostly Sunny
Humidity
66%
Feels like
33°F
Dew Point
30°F
2 PM
42°F
0%
12mph
S
Mostly Sunny
Humidity
67%
Feels like
35°F
Dew Point
31°F
3 PM
42°F
0%
11mph
S
Partly Cloudy
Humidity
68%
Feels like
36°F
Dew Point
33°F
4 PM
41°F
0%
11mph
S
Mostly Sunny
Humidity
72%
Feels like
35°F
Dew Point
33°F
4:53 PM
5 PM
39°F
0%
10mph
SSW
Mostly Clear
Humidity
78%
Feels like
33°F
Dew Point
33°F
6 PM
38°F
0%
9mph
SSW
Mostly Clear
Humidity
82%
Feels like
31°F
Dew Point
33°F
7 PM
37°F
0%
8mph
SSW
Mostly Clear
Humidity
84%
Feels like
31°F
Dew Point
33°F
8 PM
36°F
0%
7mph
SSW
Mostly Clear
Humidity
86%
Feels like
30°F
Dew Point
32°F
9 PM
36°F
0%
6mph
SW
Mostly Clear
Humidity
87%
Feels like
30°F
Dew Point
32°F
10 PM
35°F
0%
6mph
SW
Mostly Clear
Humidity
87%
Feels like
30°F
Dew Point
32°F
11 PM
35°F
0%
5mph
WSW
Mostly Clear
Humidity
88%
Feels like
31°F
Dew Point
32°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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