Hourly Weather Forecast - Iona, SD

12 AM
35°F
0%
9mph
SSW
Mostly Clear
Humidity
80%
Feels like
28°F
Dew Point
29°F
1 AM
35°F
0%
9mph
SSW
Mostly Clear
Humidity
81%
Feels like
28°F
Dew Point
29°F
2 AM
35°F
0%
9mph
SSW
Clear
Humidity
81%
Feels like
28°F
Dew Point
30°F
3 AM
35°F
0%
9mph
SW
Clear
Humidity
81%
Feels like
28°F
Dew Point
30°F
4 AM
35°F
0%
9mph
SW
Mostly Clear
Humidity
81%
Feels like
28°F
Dew Point
30°F
5 AM
35°F
0%
9mph
SW
Mostly Clear
Humidity
80%
Feels like
28°F
Dew Point
30°F
6 AM
36°F
0%
9mph
SW
Mostly Clear
Humidity
79%
Feels like
29°F
Dew Point
30°F
7 AM
37°F
0%
10mph
SW
Mostly Clear
Humidity
77%
Feels like
30°F
Dew Point
31°F
7:17 AM
8 AM
40°F
0%
11mph
WSW
Mostly Sunny
Humidity
74%
Feels like
33°F
Dew Point
32°F
9 AM
44°F
0%
12mph
WSW
Mostly Sunny
Humidity
68%
Feels like
37°F
Dew Point
34°F
10 AM
49°F
0%
14mph
WSW
Partly Cloudy
Humidity
60%
Feels like
43°F
Dew Point
35°F
11 AM
53°F
0%
15mph
WSW
Partly Cloudy
Humidity
53%
Feels like
53°F
Dew Point
36°F
12 PM
56°F
0%
16mph
WSW
Mostly Sunny
Humidity
48%
Feels like
56°F
Dew Point
37°F
1 PM
58°F
0%
16mph
W
Mostly Sunny
Humidity
44%
Feels like
58°F
Dew Point
37°F
2 PM
59°F
0%
16mph
W
Mostly Sunny
Humidity
43%
Feels like
59°F
Dew Point
37°F
3 PM
57°F
0%
15mph
W
Mostly Sunny
Humidity
46%
Feels like
57°F
Dew Point
37°F
4 PM
54°F
0%
13mph
W
Mostly Sunny
Humidity
52%
Feels like
54°F
Dew Point
36°F
4:11 PM
5 PM
50°F
0%
11mph
W
Mostly Clear
Humidity
58%
Feels like
50°F
Dew Point
36°F
6 PM
47°F
0%
10mph
W
Clear
Humidity
62%
Feels like
43°F
Dew Point
35°F
7 PM
45°F
0%
9mph
WNW
Clear
Humidity
67%
Feels like
40°F
Dew Point
35°F
8 PM
43°F
0%
8mph
WNW
Clear
Humidity
71%
Feels like
39°F
Dew Point
35°F
9 PM
42°F
0%
8mph
WNW
Clear
Humidity
73%
Feels like
37°F
Dew Point
34°F
10 PM
41°F
0%
8mph
W
Clear
Humidity
75%
Feels like
35°F
Dew Point
33°F
11 PM
40°F
0%
8mph
W
Clear
Humidity
76%
Feels like
34°F
Dew Point
33°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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