Hourly Weather Forecast - Fort Thompson, SD

12 AM
32°F
0%
9mph
NNW
Partly Cloudy
Humidity
80%
Feels like
25°F
Dew Point
27°F
1 AM
32°F
0%
11mph
NNW
Mostly Cloudy
Humidity
80%
Feels like
24°F
Dew Point
27°F
2 AM
32°F
0%
11mph
NNW
Mostly Cloudy
Humidity
78%
Feels like
24°F
Dew Point
26°F
3 AM
32°F
0%
10mph
NNW
Cloudy
Humidity
78%
Feels like
24°F
Dew Point
26°F
4 AM
32°F
0%
10mph
NNW
Cloudy
Humidity
77%
Feels like
23°F
Dew Point
25°F
5 AM
31°F
0%
10mph
NW
Cloudy
Humidity
77%
Feels like
23°F
Dew Point
25°F
6 AM
30°F
10%
10mph
NW
Cloudy
Humidity
77%
Feels like
22°F
Dew Point
24°F
7 AM
29°F
10%
10mph
NW
Mostly Cloudy
Humidity
78%
Feels like
20°F
Dew Point
23°F
8 AM
28°F
10%
9mph
NW
Partly Cloudy
Humidity
78%
Feels like
19°F
Dew Point
22°F
8:08 AM
9 AM
28°F
10%
9mph
NW
Partly Cloudy
Humidity
76%
Feels like
19°F
Dew Point
21°F
10 AM
29°F
0%
10mph
NW
Partly Cloudy
Humidity
70%
Feels like
21°F
Dew Point
21°F
11 AM
31°F
0%
11mph
WNW
Mostly Sunny
Humidity
63%
Feels like
22°F
Dew Point
20°F
12 PM
33°F
0%
12mph
WNW
Mostly Sunny
Humidity
57%
Feels like
24°F
Dew Point
19°F
1 PM
34°F
0%
12mph
WNW
Mostly Sunny
Humidity
53%
Feels like
26°F
Dew Point
19°F
2 PM
35°F
0%
11mph
WNW
Sunny
Humidity
51%
Feels like
27°F
Dew Point
19°F
3 PM
35°F
0%
10mph
WNW
Sunny
Humidity
51%
Feels like
28°F
Dew Point
19°F
4 PM
34°F
10%
9mph
WNW
Sunny
Humidity
54%
Feels like
27°F
Dew Point
19°F
5 PM
31°F
10%
6mph
WNW
Sunny
Humidity
60%
Feels like
25°F
Dew Point
19°F
5:01 PM
6 PM
29°F
10%
5mph
WNW
Clear
Humidity
65%
Feels like
23°F
Dew Point
19°F
7 PM
27°F
0%
5mph
W
Clear
Humidity
68%
Feels like
22°F
Dew Point
18°F
8 PM
26°F
0%
5mph
W
Clear
Humidity
70%
Feels like
20°F
Dew Point
17°F
9 PM
24°F
0%
5mph
W
Clear
Humidity
72%
Feels like
18°F
Dew Point
17°F
10 PM
24°F
0%
4mph
WSW
Clear
Humidity
73%
Feels like
18°F
Dew Point
16°F
11 PM
23°F
10%
5mph
SW
Clear
Humidity
74%
Feels like
17°F
Dew Point
16°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday's Weather Outlook

Today's Weather Outlook

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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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