Hourly Weather Forecast - Fort Thompson, SD

12 AM
38°F
10%
20mph
W
Partly Cloudy
Humidity
56%
Feels like
28°F
Dew Point
24°F
1 AM
37°F
10%
22mph
W
Windy
Humidity
55%
Feels like
26°F
Dew Point
22°F
2 AM
35°F
0%
24mph
W
Windy
Humidity
56%
Feels like
23°F
Dew Point
21°F
3 AM
33°F
0%
26mph
W
Windy
Humidity
58%
Feels like
19°F
Dew Point
19°F
4 AM
29°F
0%
28mph
WNW
Windy
Humidity
59%
Feels like
14°F
Dew Point
17°F
5 AM
25°F
10%
30mph
WNW
Windy
Humidity
62%
Feels like
8°F
Dew Point
14°F
6 AM
21°F
10%
30mph
WNW
Windy
Humidity
65%
Feels like
3°F
Dew Point
11°F
7 AM
19°F
30%
30mph
NW
30% Chance Snow Showers
Humidity
67%
Feels like
-1°F
Dew Point
10°F
8 AM
16°F
30%
28mph
NW
30% Chance Snow Showers
Humidity
69%
Feels like
-3°F
Dew Point
8°F
8:07 AM
9 AM
15°F
20%
28mph
NW
Windy
Humidity
68%
Feels like
-5°F
Dew Point
7°F
10 AM
15°F
10%
27mph
NW
Windy
Humidity
65%
Feels like
-4°F
Dew Point
6°F
11 AM
16°F
0%
26mph
NW
Windy
Humidity
60%
Feels like
-3°F
Dew Point
5°F
12 PM
17°F
0%
25mph
NW
Windy
Humidity
56%
Feels like
-1°F
Dew Point
4°F
1 PM
18°F
0%
24mph
NW
Windy
Humidity
53%
Feels like
1°F
Dew Point
4°F
2 PM
19°F
0%
22mph
NW
Windy
Humidity
49%
Feels like
3°F
Dew Point
3°F
3 PM
20°F
0%
19mph
NW
Sunny
Humidity
47%
Feels like
4°F
Dew Point
3°F
4 PM
19°F
0%
16mph
NW
Sunny
Humidity
48%
Feels like
5°F
Dew Point
3°F
5 PM
18°F
0%
13mph
NW
Sunny
Humidity
51%
Feels like
5°F
Dew Point
3°F
5:00 PM
6 PM
17°F
0%
9mph
NNW
Clear
Humidity
53%
Feels like
5°F
Dew Point
3°F
7 PM
16°F
0%
7mph
N
Clear
Humidity
54%
Feels like
6°F
Dew Point
2°F
8 PM
15°F
0%
7mph
NNE
Clear
Humidity
55%
Feels like
5°F
Dew Point
2°F
9 PM
14°F
0%
8mph
NE
Clear
Humidity
56%
Feels like
3°F
Dew Point
1°F
10 PM
14°F
0%
7mph
ENE
Mostly Clear
Humidity
57%
Feels like
4°F
Dew Point
1°F
11 PM
13°F
0%
7mph
ESE
Partly Cloudy
Humidity
57%
Feels like
3°F
Dew Point
1°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's 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 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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