Hourly Weather Forecast - Lyons, SD

12 AM
5°F
10%
6mph
ENE
Clear
Humidity
62%
Feels like
-5°F
Dew Point
-5°F
1 AM
5°F
10%
6mph
E
Clear
Humidity
62%
Feels like
-5°F
Dew Point
-5°F
2 AM
6°F
20%
7mph
SE
Clear
Humidity
62%
Feels like
-6°F
Dew Point
-4°F
3 AM
6°F
10%
9mph
SE
Clear
Humidity
63%
Feels like
-7°F
Dew Point
-4°F
4 AM
7°F
10%
11mph
SE
Clear
Humidity
64%
Feels like
-8°F
Dew Point
-3°F
5 AM
8°F
10%
12mph
SE
Clear
Humidity
65%
Feels like
-8°F
Dew Point
-1°F
6 AM
9°F
10%
14mph
SE
Clear
Humidity
66%
Feels like
-7°F
Dew Point
0°F
7 AM
10°F
10%
15mph
SE
Partly Cloudy
Humidity
66%
Feels like
-6°F
Dew Point
1°F
7:57 AM
8 AM
12°F
10%
16mph
SE
Partly Cloudy
Humidity
67%
Feels like
-5°F
Dew Point
3°F
9 AM
13°F
10%
17mph
SSE
Mostly Cloudy
Humidity
67%
Feels like
-3°F
Dew Point
4°F
10 AM
16°F
10%
17mph
SSE
Mostly Cloudy
Humidity
65%
Feels like
0°F
Dew Point
6°F
11 AM
19°F
0%
18mph
SSE
Mostly Cloudy
Humidity
62%
Feels like
3°F
Dew Point
8°F
12 PM
22°F
0%
19mph
SSE
Partly Cloudy
Humidity
60%
Feels like
7°F
Dew Point
10°F
1 PM
24°F
0%
18mph
SSE
Partly Cloudy
Humidity
59%
Feels like
10°F
Dew Point
11°F
2 PM
26°F
0%
18mph
SSE
Mostly Sunny
Humidity
58%
Feels like
13°F
Dew Point
13°F
3 PM
27°F
0%
17mph
SSE
Mostly Sunny
Humidity
59%
Feels like
14°F
Dew Point
15°F
4 PM
28°F
0%
16mph
SSE
Mostly Sunny
Humidity
61%
Feels like
15°F
Dew Point
16°F
4:52 PM
5 PM
28°F
0%
15mph
SSE
Partly Cloudy
Humidity
63%
Feels like
16°F
Dew Point
17°F
6 PM
28°F
0%
14mph
SSE
Partly Cloudy
Humidity
66%
Feels like
16°F
Dew Point
18°F
7 PM
28°F
0%
13mph
SSE
Partly Cloudy
Humidity
68%
Feels like
17°F
Dew Point
19°F
8 PM
28°F
10%
13mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
17°F
Dew Point
20°F
9 PM
28°F
10%
12mph
S
Cloudy
Humidity
73%
Feels like
18°F
Dew Point
21°F
10 PM
29°F
10%
11mph
S
Cloudy
Humidity
76%
Feels like
19°F
Dew Point
22°F
11 PM
29°F
10%
10mph
S
Mostly Cloudy
Humidity
78%
Feels like
20°F
Dew Point
23°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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