Hourly Weather Forecast - Longlake, SD

12 AM
-9°F
10%
8mph
WNW
Very Cold
Humidity
81%
Feels like
-26°F
Dew Point
-14°F
1 AM
-10°F
10%
9mph
WNW
Very Cold
Humidity
79%
Feels like
-27°F
Dew Point
-15°F
2 AM
-10°F
10%
10mph
WNW
Very Cold
Humidity
78%
Feels like
-29°F
Dew Point
-15°F
3 AM
-11°F
0%
9mph
WNW
Very Cold
Humidity
79%
Feels like
-28°F
Dew Point
-16°F
4 AM
-11°F
0%
4mph
WNW
Very Cold
Humidity
80%
Feels like
-22°F
Dew Point
-16°F
5 AM
-11°F
0%
2mph
SE
Very Cold
Humidity
76%
Feels like
-11°F
Dew Point
-17°F
6 AM
-11°F
0%
7mph
SE
Very Cold
Humidity
76%
Feels like
-27°F
Dew Point
-17°F
7 AM
-11°F
0%
9mph
SE
Very Cold
Humidity
82%
Feels like
-29°F
Dew Point
-15°F
8 AM
-11°F
0%
9mph
SE
Very Cold
Humidity
83%
Feels like
-29°F
Dew Point
-15°F
8:10 AM
9 AM
-10°F
0%
9mph
SE
Very Cold
Humidity
86%
Feels like
-28°F
Dew Point
-13°F
10 AM
-8°F
0%
11mph
SE
Very Cold
Humidity
83%
Feels like
-26°F
Dew Point
-11°F
11 AM
-5°F
0%
12mph
SE
Very Cold
Humidity
79%
Feels like
-24°F
Dew Point
-10°F
12 PM
-2°F
0%
13mph
SE
Very Cold
Humidity
75%
Feels like
-21°F
Dew Point
-8°F
1 PM
0°F
0%
14mph
SE
Cloudy
Humidity
73%
Feels like
-19°F
Dew Point
-7°F
2 PM
1°F
0%
15mph
SE
Cloudy
Humidity
71%
Feels like
-18°F
Dew Point
-6°F
3 PM
2°F
0%
15mph
SE
Cloudy
Humidity
70%
Feels like
-16°F
Dew Point
-5°F
4 PM
3°F
10%
15mph
SE
Cloudy
Humidity
71%
Feels like
-16°F
Dew Point
-5°F
4:52 PM
5 PM
3°F
10%
14mph
SE
Mostly Cloudy
Humidity
72%
Feels like
-16°F
Dew Point
-4°F
6 PM
3°F
10%
13mph
SE
Mostly Cloudy
Humidity
66%
Feels like
-14°F
Dew Point
-6°F
7 PM
4°F
10%
13mph
SE
Mostly Cloudy
Humidity
86%
Feels like
-13°F
Dew Point
1°F
8 PM
5°F
10%
13mph
SE
Cloudy
Humidity
85%
Feels like
-12°F
Dew Point
1°F
9 PM
5°F
10%
12mph
SE
Cloudy
Humidity
86%
Feels like
-11°F
Dew Point
2°F
10 PM
6°F
10%
11mph
SE
Partly Cloudy
Humidity
83%
Feels like
-10°F
Dew Point
2°F
11 PM
6°F
10%
11mph
SSE
Partly Cloudy
Humidity
80%
Feels like
-9°F
Dew Point
2°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

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