Hourly Weather Forecast - Iona, SD

12 AM
4°F
10%
6mph
ESE
Mostly Cloudy
Humidity
87%
Feels like
-6°F
Dew Point
1°F
1 AM
5°F
10%
6mph
ESE
Mostly Cloudy
Humidity
86%
Feels like
-6°F
Dew Point
2°F
2 AM
6°F
10%
7mph
ESE
Mostly Cloudy
Humidity
85%
Feels like
-6°F
Dew Point
2°F
3 AM
6°F
0%
8mph
ESE
Partly Cloudy
Humidity
85%
Feels like
-6°F
Dew Point
3°F
4 AM
7°F
0%
8mph
ESE
Partly Cloudy
Humidity
85%
Feels like
-6°F
Dew Point
3°F
5 AM
8°F
0%
9mph
ESE
Partly Cloudy
Humidity
85%
Feels like
-5°F
Dew Point
4°F
6 AM
8°F
0%
9mph
ESE
Mostly Clear
Humidity
86%
Feels like
-5°F
Dew Point
5°F
7 AM
9°F
0%
10mph
ESE
Mostly Clear
Humidity
87%
Feels like
-4°F
Dew Point
6°F
7:12 AM
8 AM
11°F
0%
10mph
ESE
Mostly Sunny
Humidity
87%
Feels like
-2°F
Dew Point
8°F
9 AM
15°F
0%
11mph
ESE
Mostly Sunny
Humidity
84%
Feels like
2°F
Dew Point
11°F
10 AM
19°F
0%
12mph
SE
Mostly Sunny
Humidity
79%
Feels like
7°F
Dew Point
14°F
11 AM
23°F
0%
12mph
SE
Partly Cloudy
Humidity
75%
Feels like
12°F
Dew Point
17°F
12 PM
27°F
0%
12mph
SE
Mostly Sunny
Humidity
72%
Feels like
16°F
Dew Point
19°F
1 PM
30°F
0%
12mph
SE
Mostly Sunny
Humidity
69%
Feels like
20°F
Dew Point
21°F
2 PM
32°F
0%
12mph
ESE
Mostly Sunny
Humidity
68%
Feels like
23°F
Dew Point
22°F
3 PM
31°F
0%
11mph
ESE
Mostly Sunny
Humidity
71%
Feels like
22°F
Dew Point
22°F
4 PM
28°F
0%
10mph
SE
Partly Cloudy
Humidity
76%
Feels like
19°F
Dew Point
22°F
4:08 PM
5 PM
26°F
0%
7mph
SE
Cloudy
Humidity
81%
Feels like
18°F
Dew Point
21°F
6 PM
24°F
0%
1mph
SE
Cloudy
Humidity
85%
Feels like
24°F
Dew Point
20°F
7 PM
23°F
0%
5mph
WNW
Mostly Cloudy
Humidity
89%
Feels like
16°F
Dew Point
20°F
8 PM
22°F
0%
10mph
WNW
Mostly Cloudy
Humidity
91%
Feels like
11°F
Dew Point
20°F
9 PM
22°F
0%
11mph
WNW
Partly Cloudy
Humidity
91%
Feels like
11°F
Dew Point
20°F
10 PM
22°F
0%
9mph
W
Partly Cloudy
Humidity
90%
Feels like
12°F
Dew Point
20°F
11 PM
23°F
0%
9mph
W
Mostly Clear
Humidity
89%
Feels like
13°F
Dew Point
20°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