Hourly Weather Forecast - Iona, SD

4 AM
33°F
0%
14mph
WSW
Partly Cloudy
Humidity
72%
Feels like
24°F
Dew Point
25°F
5 AM
34°F
0%
16mph
WSW
Partly Cloudy
Humidity
70%
Feels like
24°F
Dew Point
26°F
6 AM
36°F
10%
18mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
26°F
Dew Point
26°F
7 AM
38°F
10%
19mph
WSW
Mostly Cloudy
Humidity
67%
Feels like
28°F
Dew Point
28°F
7:08 AM
8 AM
40°F
10%
20mph
WSW
Cloudy
Humidity
65%
Feels like
30°F
Dew Point
29°F
9 AM
43°F
0%
21mph
WSW
Windy
Humidity
60%
Feels like
34°F
Dew Point
30°F
10 AM
47°F
0%
23mph
WSW
Windy
Humidity
55%
Feels like
39°F
Dew Point
32°F
11 AM
50°F
30%
24mph
WSW
30% Chance Rain Showers
Humidity
52%
Feels like
50°F
Dew Point
33°F
12 PM
52°F
30%
25mph
W
30% Chance Rain Showers
Humidity
52%
Feels like
52°F
Dew Point
35°F
1 PM
53°F
30%
26mph
WNW
30% Chance Rain Showers
Humidity
54%
Feels like
53°F
Dew Point
37°F
2 PM
52°F
30%
31mph
WNW
30% Chance Rain Showers
Humidity
56%
Feels like
52°F
Dew Point
37°F
3 PM
50°F
30%
33mph
NW
30% Chance Rain Showers
Humidity
58%
Feels like
50°F
Dew Point
36°F
4 PM
46°F
0%
32mph
NW
Windy
Humidity
59%
Feels like
37°F
Dew Point
33°F
4:08 PM
5 PM
43°F
0%
30mph
NW
Windy
Humidity
61%
Feels like
32°F
Dew Point
30°F
6 PM
40°F
0%
30mph
NW
Windy
Humidity
62%
Feels like
29°F
Dew Point
28°F
7 PM
38°F
0%
29mph
NW
Windy
Humidity
63%
Feels like
26°F
Dew Point
27°F
8 PM
37°F
0%
28mph
WNW
Windy
Humidity
63%
Feels like
24°F
Dew Point
25°F
9 PM
36°F
0%
26mph
NW
Windy
Humidity
63%
Feels like
23°F
Dew Point
24°F
10 PM
35°F
0%
25mph
NW
Windy
Humidity
63%
Feels like
23°F
Dew Point
24°F
11 PM
35°F
0%
24mph
NW
Windy
Humidity
63%
Feels like
22°F
Dew Point
23°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts the Northwest

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

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide