Hourly Weather Forecast - Long Valley, SD

6 PM
53°F
70%
26mph
W
70% Chance of Light Rain
Humidity
48%
Feels like
53°F
Dew Point
33°F
7 PM
47°F
70%
28mph
WNW
70% Chance of Light Rain
Humidity
54%
Feels like
39°F
Dew Point
32°F
8 PM
44°F
70%
30mph
WNW
70% Chance of Light Rain
Humidity
57%
Feels like
33°F
Dew Point
29°F
9 PM
41°F
30%
31mph
WNW
30% Chance Rain Showers
Humidity
52%
Feels like
30°F
Dew Point
25°F
10 PM
40°F
0%
29mph
WNW
Windy
Humidity
44%
Feels like
28°F
Dew Point
19°F
11 PM
38°F
0%
28mph
WNW
Windy
Humidity
38%
Feels like
27°F
Dew Point
15°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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