Hourly Weather Forecast - Lyons, SD

12 AM
-10°F
0%
5mph
NW
Very Cold
Humidity
79%
Feels like
-23°F
Dew Point
-15°F
1 AM
-12°F
0%
5mph
NW
Very Cold
Humidity
78%
Feels like
-24°F
Dew Point
-16°F
2 AM
-13°F
0%
5mph
NW
Very Cold
Humidity
78%
Feels like
-25°F
Dew Point
-17°F
3 AM
-13°F
0%
4mph
NW
Very Cold
Humidity
78%
Feels like
-24°F
Dew Point
-18°F
4 AM
-14°F
0%
4mph
WNW
Very Cold
Humidity
79%
Feels like
-24°F
Dew Point
-19°F
5 AM
-15°F
0%
3mph
W
Very Cold
Humidity
79%
Feels like
-24°F
Dew Point
-19°F
6 AM
-15°F
0%
3mph
SW
Very Cold
Humidity
80%
Feels like
-15°F
Dew Point
-19°F
7 AM
-14°F
0%
3mph
S
Very Cold
Humidity
80%
Feels like
-14°F
Dew Point
-18°F
7:53 AM
8 AM
-13°F
0%
5mph
SSE
Very Cold
Humidity
82%
Feels like
-26°F
Dew Point
-17°F
9 AM
-11°F
0%
7mph
SE
Very Cold
Humidity
83%
Feels like
-27°F
Dew Point
-15°F
10 AM
-8°F
0%
10mph
SSE
Very Cold
Humidity
82%
Feels like
-26°F
Dew Point
-12°F
11 AM
-5°F
0%
12mph
SSE
Very Cold
Humidity
80%
Feels like
-23°F
Dew Point
-9°F
12 PM
-1°F
0%
14mph
SSE
Very Cold
Humidity
78%
Feels like
-20°F
Dew Point
-7°F
1 PM
1°F
0%
16mph
SSE
Sunny
Humidity
77%
Feels like
-19°F
Dew Point
-5°F
2 PM
2°F
0%
17mph
SSE
Sunny
Humidity
77%
Feels like
-17°F
Dew Point
-3°F
3 PM
4°F
0%
18mph
SSE
Sunny
Humidity
77%
Feels like
-16°F
Dew Point
-2°F
4 PM
5°F
0%
19mph
SSE
Mostly Sunny
Humidity
78%
Feels like
-15°F
Dew Point
-1°F
4:50 PM
5 PM
5°F
0%
19mph
SSE
Partly Cloudy
Humidity
80%
Feels like
-15°F
Dew Point
0°F
6 PM
6°F
0%
20mph
S
Partly Cloudy
Humidity
81%
Feels like
-14°F
Dew Point
1°F
7 PM
7°F
0%
20mph
S
Partly Cloudy
Humidity
81%
Feels like
-13°F
Dew Point
2°F
8 PM
8°F
0%
20mph
S
Windy
Humidity
81%
Feels like
-11°F
Dew Point
4°F
9 PM
10°F
0%
20mph
S
Partly Cloudy
Humidity
82%
Feels like
-10°F
Dew Point
5°F
10 PM
11°F
0%
20mph
S
Partly Cloudy
Humidity
82%
Feels like
-7°F
Dew Point
7°F
11 PM
13°F
0%
19mph
S
Partly Cloudy
Humidity
82%
Feels like
-5°F
Dew Point
8°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

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide