Hourly Weather Forecast - Castlewood, SD

7:57 AM
8 AM
-5°F
0%
6mph
SSE
Very Cold
Humidity
83%
Feels like
-17°F
Dew Point
-9°F
9 AM
-3°F
0%
7mph
SSE
Very Cold
Humidity
82%
Feels like
-17°F
Dew Point
-7°F
10 AM
0°F
0%
10mph
S
Mostly Sunny
Humidity
80%
Feels like
-16°F
Dew Point
-5°F
11 AM
4°F
0%
13mph
S
Mostly Sunny
Humidity
76%
Feels like
-13°F
Dew Point
-1°F
12 PM
8°F
0%
15mph
S
Mostly Sunny
Humidity
74%
Feels like
-10°F
Dew Point
1°F
1 PM
9°F
0%
17mph
S
Mostly Sunny
Humidity
73%
Feels like
-9°F
Dew Point
3°F
2 PM
10°F
0%
19mph
S
Mostly Sunny
Humidity
73%
Feels like
-8°F
Dew Point
4°F
3 PM
11°F
0%
20mph
S
Mostly Sunny
Humidity
74%
Feels like
-7°F
Dew Point
4°F
4 PM
11°F
0%
21mph
S
Windy
Humidity
77%
Feels like
-8°F
Dew Point
5°F
4:47 PM
5 PM
11°F
0%
20mph
S
Windy
Humidity
79%
Feels like
-8°F
Dew Point
6°F
6 PM
11°F
0%
20mph
S
Mostly Clear
Humidity
82%
Feels like
-8°F
Dew Point
6°F
7 PM
12°F
0%
20mph
S
Mostly Clear
Humidity
83%
Feels like
-7°F
Dew Point
7°F
8 PM
13°F
0%
19mph
S
Mostly Clear
Humidity
83%
Feels like
-5°F
Dew Point
8°F
9 PM
14°F
0%
18mph
S
Partly Cloudy
Humidity
84%
Feels like
-3°F
Dew Point
10°F
10 PM
15°F
0%
17mph
SSW
Partly Cloudy
Humidity
85%
Feels like
-1°F
Dew Point
11°F
11 PM
16°F
0%
15mph
SSW
Partly Cloudy
Humidity
86%
Feels like
1°F
Dew Point
13°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

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

Cold Air Damming - Cause And Effects

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