Hourly Weather Forecast - Fort Thompson, SD

11 AM
40°F
70%
10mph
SW
70% Chance of Light Rain
Humidity
80%
Feels like
33°F
Dew Point
34°F
12 PM
42°F
70%
12mph
WSW
70% Chance of Light Rain
Humidity
81%
Feels like
36°F
Dew Point
37°F
1 PM
44°F
30%
14mph
W
30% Chance of Light Rain
Humidity
79%
Feels like
38°F
Dew Point
38°F
2 PM
47°F
20%
18mph
W
Mostly Cloudy
Humidity
75%
Feels like
40°F
Dew Point
40°F
3 PM
48°F
10%
21mph
W
Windy
Humidity
73%
Feels like
41°F
Dew Point
40°F
4 PM
48°F
10%
23mph
WNW
Windy
Humidity
73%
Feels like
40°F
Dew Point
40°F
4:58 PM
5 PM
46°F
0%
26mph
WNW
Windy
Humidity
75%
Feels like
37°F
Dew Point
38°F
6 PM
44°F
0%
27mph
WNW
Windy
Humidity
76%
Feels like
34°F
Dew Point
37°F
7 PM
42°F
0%
28mph
WNW
Windy
Humidity
76%
Feels like
31°F
Dew Point
35°F
8 PM
40°F
0%
28mph
WNW
Windy
Humidity
75%
Feels like
28°F
Dew Point
33°F
9 PM
38°F
0%
28mph
WNW
Windy
Humidity
74%
Feels like
26°F
Dew Point
30°F
10 PM
36°F
0%
28mph
NW
Windy
Humidity
74%
Feels like
24°F
Dew Point
29°F
11 PM
35°F
0%
27mph
NW
Windy
Humidity
74%
Feels like
22°F
Dew Point
28°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide