Hourly Weather Forecast - Fort Thompson, SD

12 AM
33°F
0%
4mph
W
Partly Cloudy
Humidity
89%
Feels like
29°F
Dew Point
30°F
1 AM
32°F
0%
2mph
WSW
Partly Cloudy
Humidity
90%
Feels like
32°F
Dew Point
29°F
2 AM
31°F
0%
2mph
S
Mostly Cloudy
Humidity
90%
Feels like
31°F
Dew Point
29°F
3 AM
31°F
0%
4mph
SE
Partly Cloudy
Humidity
90%
Feels like
27°F
Dew Point
28°F
4 AM
30°F
0%
6mph
SE
Partly Cloudy
Humidity
91%
Feels like
24°F
Dew Point
28°F
5 AM
29°F
0%
7mph
SSE
Partly Cloudy
Humidity
91%
Feels like
23°F
Dew Point
27°F
6 AM
29°F
0%
8mph
SSE
Partly Cloudy
Humidity
91%
Feels like
22°F
Dew Point
27°F
7 AM
30°F
0%
10mph
SE
Partly Cloudy
Humidity
91%
Feels like
21°F
Dew Point
28°F
8 AM
31°F
0%
12mph
SE
Partly Cloudy
Humidity
88%
Feels like
22°F
Dew Point
28°F
8:06 AM
9 AM
34°F
0%
14mph
SSE
Partly Cloudy
Humidity
84%
Feels like
24°F
Dew Point
29°F
10 AM
38°F
0%
16mph
SSE
Partly Cloudy
Humidity
76%
Feels like
29°F
Dew Point
31°F
11 AM
43°F
0%
18mph
S
Partly Cloudy
Humidity
67%
Feels like
34°F
Dew Point
33°F
12 PM
46°F
0%
20mph
S
Windy
Humidity
61%
Feels like
39°F
Dew Point
33°F
1 PM
49°F
0%
23mph
S
Windy
Humidity
56%
Feels like
41°F
Dew Point
34°F
2 PM
50°F
10%
24mph
S
Windy
Humidity
54%
Feels like
42°F
Dew Point
34°F
3 PM
50°F
10%
23mph
SSW
Windy
Humidity
53%
Feels like
50°F
Dew Point
34°F
4 PM
50°F
10%
21mph
SSW
Windy
Humidity
54%
Feels like
50°F
Dew Point
34°F
5 PM
50°F
20%
19mph
SW
Cloudy
Humidity
55%
Feels like
50°F
Dew Point
35°F
5:00 PM
6 PM
49°F
30%
18mph
SW
30% Chance of Light Rain
Humidity
59%
Feels like
43°F
Dew Point
36°F
7 PM
47°F
30%
15mph
WSW
30% Chance of Light Rain
Humidity
67%
Feels like
41°F
Dew Point
37°F
8 PM
45°F
40%
17mph
WNW
40% Chance of Light Rain
Humidity
77%
Feels like
38°F
Dew Point
38°F
9 PM
43°F
30%
21mph
WNW
30% Chance of Light Rain
Humidity
82%
Feels like
34°F
Dew Point
38°F
10 PM
41°F
20%
20mph
WNW
Mostly Cloudy
Humidity
77%
Feels like
32°F
Dew Point
35°F
11 PM
39°F
10%
20mph
WNW
Windy
Humidity
67%
Feels like
30°F
Dew Point
29°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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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