Hourly Weather Forecast - Fort Thompson, SD

8 AM
-5°F
0%
12mph
SE
Very Cold
Humidity
100%
Feels like
-23°F
Dew Point
-5°F
8:04 AM
9 AM
-1°F
0%
14mph
SE
Very Cold
Humidity
98%
Feels like
-20°F
Dew Point
-2°F
10 AM
3°F
0%
15mph
SSE
Hazy
Humidity
95%
Feels like
-16°F
Dew Point
2°F
11 AM
8°F
0%
17mph
SSE
Partly Cloudy
Humidity
92%
Feels like
-10°F
Dew Point
6°F
12 PM
13°F
0%
18mph
SSE
Partly Cloudy
Humidity
89%
Feels like
-4°F
Dew Point
10°F
1 PM
17°F
0%
18mph
SSE
Partly Cloudy
Humidity
88%
Feels like
1°F
Dew Point
14°F
2 PM
20°F
0%
18mph
SSE
Mostly Sunny
Humidity
87%
Feels like
6°F
Dew Point
17°F
3 PM
23°F
0%
17mph
SSE
Mostly Sunny
Humidity
87%
Feels like
9°F
Dew Point
20°F
4 PM
24°F
0%
16mph
SSE
Mostly Sunny
Humidity
86%
Feels like
11°F
Dew Point
20°F
4:59 PM
5 PM
24°F
0%
14mph
SSE
Mostly Clear
Humidity
85%
Feels like
12°F
Dew Point
20°F
6 PM
24°F
0%
12mph
SSE
Mostly Clear
Humidity
84%
Feels like
13°F
Dew Point
20°F
7 PM
23°F
0%
11mph
SSE
Mostly Clear
Humidity
87%
Feels like
12°F
Dew Point
20°F
8 PM
23°F
0%
10mph
SSE
Mostly Clear
Humidity
89%
Feels like
13°F
Dew Point
20°F
9 PM
23°F
0%
8mph
SSE
Mostly Clear
Humidity
89%
Feels like
13°F
Dew Point
20°F
10 PM
22°F
0%
5mph
S
Mostly Clear
Humidity
90%
Feels like
15°F
Dew Point
20°F
11 PM
22°F
0%
5mph
SW
Hazy
Humidity
91%
Feels like
16°F
Dew Point
20°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

Sunday 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 strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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