Hourly Weather Forecast - Lyons, SD

7:50 AM
8 AM
20°F
0%
21mph
NW
Windy
Humidity
86%
Feels like
3°F
Dew Point
16°F
9 AM
19°F
0%
21mph
NW
Windy
Humidity
86%
Feels like
3°F
Dew Point
16°F
10 AM
19°F
0%
20mph
NW
Mostly Cloudy
Humidity
85%
Feels like
2°F
Dew Point
15°F
11 AM
18°F
0%
19mph
NW
Mostly Cloudy
Humidity
83%
Feels like
2°F
Dew Point
14°F
12 PM
18°F
0%
18mph
NW
Mostly Cloudy
Humidity
82%
Feels like
2°F
Dew Point
13°F
1 PM
18°F
0%
17mph
NW
Mostly Cloudy
Humidity
81%
Feels like
2°F
Dew Point
13°F
2 PM
17°F
0%
15mph
NW
Mostly Cloudy
Humidity
81%
Feels like
3°F
Dew Point
12°F
3 PM
17°F
0%
14mph
NW
Mostly Cloudy
Humidity
81%
Feels like
3°F
Dew Point
12°F
4 PM
16°F
0%
12mph
NNW
Mostly Cloudy
Humidity
82%
Feels like
3°F
Dew Point
12°F
4:50 PM
5 PM
16°F
0%
9mph
NNW
Cloudy
Humidity
83%
Feels like
4°F
Dew Point
11°F
6 PM
15°F
0%
7mph
NNW
Cloudy
Humidity
84%
Feels like
5°F
Dew Point
11°F
7 PM
15°F
0%
5mph
NNW
Cloudy
Humidity
84%
Feels like
6°F
Dew Point
11°F
8 PM
14°F
0%
4mph
NNW
Cloudy
Humidity
84%
Feels like
7°F
Dew Point
11°F
9 PM
14°F
0%
3mph
N
Cloudy
Humidity
84%
Feels like
14°F
Dew Point
10°F
10 PM
14°F
0%
2mph
NE
Cloudy
Humidity
85%
Feels like
14°F
Dew Point
10°F
11 PM
14°F
10%
3mph
E
Cloudy
Humidity
85%
Feels like
14°F
Dew Point
10°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak 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