Hourly Weather Forecast - Long Lake, SD

12 AM
-12°F
10%
7mph
WNW
Very Cold
Humidity
79%
Feels like
-28°F
Dew Point
-16°F
1 AM
-12°F
10%
4mph
NW
Very Cold
Humidity
80%
Feels like
-22°F
Dew Point
-16°F
2 AM
-12°F
10%
3mph
ENE
Very Cold
Humidity
81%
Feels like
-12°F
Dew Point
-16°F
3 AM
-11°F
10%
6mph
E
Very Cold
Humidity
81%
Feels like
-25°F
Dew Point
-16°F
4 AM
-10°F
10%
7mph
ESE
Very Cold
Humidity
80%
Feels like
-26°F
Dew Point
-15°F
5 AM
-9°F
10%
8mph
SE
Very Cold
Humidity
78%
Feels like
-25°F
Dew Point
-14°F
6 AM
-8°F
0%
9mph
SE
Very Cold
Humidity
77%
Feels like
-24°F
Dew Point
-13°F
7 AM
-7°F
0%
10mph
SE
Very Cold
Humidity
78%
Feels like
-25°F
Dew Point
-12°F
8 AM
-7°F
0%
11mph
SE
Very Cold
Humidity
80%
Feels like
-25°F
Dew Point
-11°F
8:10 AM
9 AM
-6°F
0%
13mph
SE
Very Cold
Humidity
81%
Feels like
-25°F
Dew Point
-10°F
10 AM
-4°F
0%
13mph
SE
Very Cold
Humidity
82%
Feels like
-24°F
Dew Point
-8°F
11 AM
-2°F
0%
15mph
SE
Very Cold
Humidity
81%
Feels like
-21°F
Dew Point
-6°F
12 PM
0°F
0%
15mph
SSE
Cloudy
Humidity
81%
Feels like
-19°F
Dew Point
-4°F
1 PM
2°F
0%
16mph
SSE
Partly Cloudy
Humidity
81%
Feels like
-17°F
Dew Point
-2°F
2 PM
4°F
0%
16mph
SSE
Partly Cloudy
Humidity
80%
Feels like
-15°F
Dew Point
-1°F
3 PM
5°F
0%
16mph
SSE
Partly Cloudy
Humidity
80%
Feels like
-13°F
Dew Point
1°F
4 PM
6°F
0%
16mph
SSE
Partly Cloudy
Humidity
81%
Feels like
-13°F
Dew Point
1°F
4:52 PM
5 PM
6°F
0%
15mph
SSE
Partly Cloudy
Humidity
83%
Feels like
-13°F
Dew Point
2°F
6 PM
6°F
0%
15mph
SSE
Partly Cloudy
Humidity
84%
Feels like
-12°F
Dew Point
2°F
7 PM
7°F
0%
15mph
SSE
Partly Cloudy
Humidity
84%
Feels like
-10°F
Dew Point
3°F
8 PM
8°F
0%
14mph
S
Mostly Cloudy
Humidity
84%
Feels like
-9°F
Dew Point
4°F
9 PM
9°F
10%
13mph
S
Cloudy
Humidity
83%
Feels like
-7°F
Dew Point
5°F
10 PM
11°F
10%
13mph
S
Mostly Cloudy
Humidity
82%
Feels like
-4°F
Dew Point
6°F
11 PM
12°F
10%
12mph
SSW
Partly Cloudy
Humidity
81%
Feels like
-3°F
Dew Point
7°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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