Hourly Weather Forecast - Lyons, SD

12 AM
14°F
0%
17mph
S
Partly Cloudy
Humidity
82%
Feels like
-2°F
Dew Point
10°F
1 AM
15°F
0%
16mph
SSW
Partly Cloudy
Humidity
83%
Feels like
-1°F
Dew Point
11°F
2 AM
16°F
0%
15mph
SSW
Mostly Clear
Humidity
84%
Feels like
1°F
Dew Point
12°F
3 AM
17°F
0%
13mph
SSW
Mostly Clear
Humidity
85%
Feels like
3°F
Dew Point
13°F
4 AM
17°F
0%
12mph
SSW
Mostly Clear
Humidity
86%
Feels like
5°F
Dew Point
14°F
5 AM
18°F
0%
10mph
SW
Partly Cloudy
Humidity
87%
Feels like
7°F
Dew Point
15°F
6 AM
19°F
0%
8mph
SW
Partly Cloudy
Humidity
88%
Feels like
9°F
Dew Point
16°F
7 AM
20°F
0%
8mph
WSW
Partly Cloudy
Humidity
89%
Feels like
11°F
Dew Point
18°F
7:54 AM
8 AM
21°F
0%
8mph
W
Partly Cloudy
Humidity
90%
Feels like
12°F
Dew Point
19°F
9 AM
23°F
0%
8mph
W
Partly Cloudy
Humidity
91%
Feels like
13°F
Dew Point
21°F
10 AM
25°F
0%
9mph
WNW
Partly Cloudy
Humidity
91%
Feels like
16°F
Dew Point
23°F
11 AM
28°F
0%
9mph
WNW
Partly Cloudy
Humidity
90%
Feels like
19°F
Dew Point
25°F
12 PM
30°F
0%
9mph
NW
Mostly Sunny
Humidity
89%
Feels like
21°F
Dew Point
27°F
1 PM
31°F
0%
9mph
NW
Mostly Sunny
Humidity
89%
Feels like
23°F
Dew Point
28°F
2 PM
31°F
0%
8mph
NW
Mostly Sunny
Humidity
90%
Feels like
23°F
Dew Point
28°F
3 PM
30°F
0%
7mph
NW
Partly Cloudy
Humidity
90%
Feels like
23°F
Dew Point
28°F
4 PM
28°F
0%
6mph
WNW
Partly Cloudy
Humidity
92%
Feels like
22°F
Dew Point
26°F
4:51 PM
5 PM
26°F
0%
5mph
WNW
Hazy
Humidity
94%
Feels like
20°F
Dew Point
24°F
6 PM
24°F
0%
4mph
WNW
Partly Cloudy
Humidity
96%
Feels like
19°F
Dew Point
22°F
7 PM
22°F
0%
2mph
WSW
Partly Cloudy
Humidity
97%
Feels like
22°F
Dew Point
21°F
8 PM
21°F
0%
3mph
SSW
Partly Cloudy
Humidity
97%
Feels like
21°F
Dew Point
20°F
9 PM
20°F
0%
4mph
S
Mostly Cloudy
Humidity
98%
Feels like
14°F
Dew Point
20°F
10 PM
21°F
0%
6mph
S
Cloudy
Humidity
97%
Feels like
13°F
Dew Point
20°F
11 PM
22°F
0%
7mph
S
Cloudy
Humidity
96%
Feels like
13°F
Dew Point
21°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