Hourly Weather Forecast - Fort Thompson, SD

12 AM
22°F
0%
6mph
WSW
Partly Cloudy
Humidity
91%
Feels like
14°F
Dew Point
20°F
1 AM
21°F
0%
7mph
W
Partly Cloudy
Humidity
91%
Feels like
13°F
Dew Point
19°F
2 AM
21°F
0%
7mph
WNW
Partly Cloudy
Humidity
89%
Feels like
12°F
Dew Point
19°F
3 AM
22°F
0%
8mph
WNW
Partly Cloudy
Humidity
87%
Feels like
12°F
Dew Point
19°F
4 AM
22°F
0%
8mph
WNW
Partly Cloudy
Humidity
86%
Feels like
13°F
Dew Point
19°F
5 AM
23°F
0%
8mph
WNW
Partly Cloudy
Humidity
85%
Feels like
13°F
Dew Point
19°F
6 AM
23°F
0%
8mph
WNW
Mostly Clear
Humidity
86%
Feels like
14°F
Dew Point
20°F
7 AM
24°F
0%
8mph
WNW
Mostly Clear
Humidity
87%
Feels like
15°F
Dew Point
20°F
8 AM
24°F
0%
8mph
W
Clear
Humidity
88%
Feels like
16°F
Dew Point
21°F
8:05 AM
9 AM
26°F
0%
8mph
W
Sunny
Humidity
89%
Feels like
17°F
Dew Point
23°F
10 AM
28°F
0%
7mph
W
Sunny
Humidity
89%
Feels like
21°F
Dew Point
25°F
11 AM
31°F
0%
7mph
W
Mostly Sunny
Humidity
88%
Feels like
24°F
Dew Point
28°F
12 PM
34°F
0%
7mph
W
Mostly Sunny
Humidity
88%
Feels like
27°F
Dew Point
30°F
1 PM
35°F
0%
6mph
W
Mostly Sunny
Humidity
88%
Feels like
30°F
Dew Point
32°F
2 PM
36°F
0%
5mph
W
Mostly Sunny
Humidity
89%
Feels like
31°F
Dew Point
33°F
3 PM
36°F
0%
4mph
W
Mostly Sunny
Humidity
89%
Feels like
32°F
Dew Point
33°F
4 PM
35°F
0%
3mph
W
Hazy
Humidity
91%
Feels like
35°F
Dew Point
32°F
4:59 PM
5 PM
33°F
0%
2mph
SW
Hazy
Humidity
92%
Feels like
33°F
Dew Point
31°F
6 PM
31°F
0%
3mph
S
Hazy
Humidity
94%
Feels like
31°F
Dew Point
29°F
7 PM
30°F
0%
4mph
S
Hazy
Humidity
94%
Feels like
26°F
Dew Point
28°F
8 PM
29°F
0%
4mph
SSE
Hazy
Humidity
92%
Feels like
24°F
Dew Point
27°F
9 PM
29°F
0%
5mph
SSE
Hazy
Humidity
91%
Feels like
23°F
Dew Point
26°F
10 PM
28°F
0%
5mph
SSE
Mostly Clear
Humidity
90%
Feels like
22°F
Dew Point
26°F
11 PM
28°F
0%
6mph
SSE
Clear
Humidity
89%
Feels like
21°F
Dew Point
25°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

Monday's Weather Outlook

Monday'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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