Hourly Weather Forecast - Fort Thompson, SD

12 AM
14°F
0%
6mph
NE
Clear
Humidity
62%
Feels like
5°F
Dew Point
4°F
1 AM
14°F
0%
6mph
E
Mostly Clear
Humidity
62%
Feels like
4°F
Dew Point
3°F
2 AM
13°F
0%
7mph
ESE
Partly Cloudy
Humidity
61%
Feels like
3°F
Dew Point
2°F
3 AM
13°F
0%
10mph
SE
Mostly Cloudy
Humidity
60%
Feels like
1°F
Dew Point
2°F
4 AM
14°F
0%
12mph
SE
Mostly Cloudy
Humidity
59%
Feels like
0°F
Dew Point
2°F
5 AM
15°F
0%
15mph
SE
Mostly Cloudy
Humidity
57%
Feels like
-1°F
Dew Point
2°F
6 AM
15°F
0%
16mph
SE
Partly Cloudy
Humidity
56%
Feels like
0°F
Dew Point
3°F
7 AM
17°F
0%
16mph
SE
Partly Cloudy
Humidity
56%
Feels like
2°F
Dew Point
4°F
8 AM
18°F
0%
16mph
SE
Partly Cloudy
Humidity
55%
Feels like
3°F
Dew Point
5°F
8:07 AM
9 AM
21°F
0%
16mph
SE
Partly Cloudy
Humidity
54%
Feels like
7°F
Dew Point
7°F
10 AM
25°F
0%
16mph
SE
Partly Cloudy
Humidity
51%
Feels like
12°F
Dew Point
10°F
11 AM
30°F
0%
15mph
SE
Partly Cloudy
Humidity
49%
Feels like
19°F
Dew Point
13°F
12 PM
34°F
0%
14mph
SSE
Mostly Sunny
Humidity
47%
Feels like
25°F
Dew Point
16°F
1 PM
38°F
0%
13mph
SSE
Mostly Sunny
Humidity
46%
Feels like
30°F
Dew Point
19°F
2 PM
40°F
0%
11mph
SSE
Mostly Sunny
Humidity
46%
Feels like
34°F
Dew Point
21°F
3 PM
42°F
0%
9mph
SSE
Partly Cloudy
Humidity
48%
Feels like
36°F
Dew Point
23°F
4 PM
41°F
0%
8mph
SSE
Partly Cloudy
Humidity
52%
Feels like
36°F
Dew Point
25°F
5 PM
39°F
0%
7mph
SSE
Mostly Cloudy
Humidity
57%
Feels like
34°F
Dew Point
25°F
5:00 PM
6 PM
37°F
0%
6mph
SE
Cloudy
Humidity
63%
Feels like
31°F
Dew Point
25°F
7 PM
35°F
0%
6mph
SE
Mostly Cloudy
Humidity
67%
Feels like
30°F
Dew Point
26°F
8 PM
34°F
0%
5mph
ESE
Partly Cloudy
Humidity
72%
Feels like
30°F
Dew Point
26°F
9 PM
33°F
0%
4mph
E
Partly Cloudy
Humidity
75%
Feels like
30°F
Dew Point
26°F
10 PM
33°F
0%
4mph
NNE
Partly Cloudy
Humidity
78%
Feels like
29°F
Dew Point
27°F
11 PM
33°F
0%
7mph
NNW
Partly Cloudy
Humidity
79%
Feels like
26°F
Dew Point
27°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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