Hourly Weather Forecast - Longlake, SD

12 AM
23°F
30%
30mph
NNW
30% Chance of Snow
Humidity
84%
Feels like
6°F
Dew Point
19°F
1 AM
22°F
10%
29mph
NW
Windy
Humidity
83%
Feels like
4°F
Dew Point
17°F
2 AM
20°F
0%
28mph
NW
Windy
Humidity
82%
Feels like
2°F
Dew Point
16°F
3 AM
19°F
0%
27mph
NW
Windy
Humidity
84%
Feels like
1°F
Dew Point
15°F
4 AM
18°F
0%
26mph
NW
Windy
Humidity
84%
Feels like
-1°F
Dew Point
14°F
5 AM
16°F
0%
25mph
NW
Windy
Humidity
85%
Feels like
-2°F
Dew Point
13°F
6 AM
15°F
0%
24mph
NW
Windy
Humidity
84%
Feels like
-4°F
Dew Point
11°F
7 AM
13°F
0%
22mph
NW
Windy
Humidity
82%
Feels like
-6°F
Dew Point
9°F
8 AM
12°F
0%
20mph
NW
Mostly Cloudy
Humidity
83%
Feels like
-7°F
Dew Point
8°F
8:06 AM
9 AM
11°F
0%
19mph
NNW
Partly Cloudy
Humidity
83%
Feels like
-7°F
Dew Point
6°F
10 AM
10°F
0%
17mph
NNW
Partly Cloudy
Humidity
80%
Feels like
-7°F
Dew Point
5°F
11 AM
10°F
0%
16mph
NNW
Partly Cloudy
Humidity
77%
Feels like
-7°F
Dew Point
4°F
12 PM
10°F
0%
14mph
NNW
Partly Cloudy
Humidity
73%
Feels like
-6°F
Dew Point
3°F
1 PM
10°F
0%
12mph
NW
Mostly Cloudy
Humidity
71%
Feels like
-5°F
Dew Point
3°F
2 PM
11°F
0%
11mph
NW
Mostly Cloudy
Humidity
69%
Feels like
-3°F
Dew Point
2°F
3 PM
11°F
0%
10mph
NW
Mostly Cloudy
Humidity
67%
Feels like
-2°F
Dew Point
2°F
4 PM
11°F
0%
7mph
NW
Mostly Cloudy
Humidity
69%
Feels like
1°F
Dew Point
3°F
4:52 PM
5 PM
11°F
0%
4mph
N
Cloudy
Humidity
71%
Feels like
4°F
Dew Point
4°F
6 PM
11°F
0%
4mph
NE
Cloudy
Humidity
73%
Feels like
5°F
Dew Point
4°F
7 PM
11°F
0%
4mph
E
Cloudy
Humidity
74%
Feels like
4°F
Dew Point
4°F
8 PM
11°F
0%
5mph
ESE
Cloudy
Humidity
77%
Feels like
2°F
Dew Point
5°F
9 PM
11°F
0%
7mph
SE
Cloudy
Humidity
81%
Feels like
0°F
Dew Point
6°F
10 PM
11°F
30%
9mph
SE
30% Chance of Snow
Humidity
78%
Feels like
-1°F
Dew Point
6°F
11 PM
11°F
30%
10mph
SE
30 % Chance of Heavy Snow
Humidity
80%
Feels like
-2°F
Dew Point
6°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