Hourly Weather Forecast - Iona, SD

12 AM
39°F
0%
8mph
W
Clear
Humidity
77%
Feels like
33°F
Dew Point
32°F
1 AM
38°F
0%
8mph
W
Clear
Humidity
78%
Feels like
32°F
Dew Point
32°F
2 AM
37°F
0%
7mph
WNW
Clear
Humidity
79%
Feels like
31°F
Dew Point
31°F
3 AM
36°F
0%
6mph
NW
Clear
Humidity
79%
Feels like
31°F
Dew Point
30°F
4 AM
35°F
0%
6mph
NNW
Clear
Humidity
78%
Feels like
30°F
Dew Point
29°F
5 AM
35°F
0%
6mph
N
Clear
Humidity
78%
Feels like
29°F
Dew Point
29°F
6 AM
35°F
0%
4mph
NNE
Clear
Humidity
77%
Feels like
31°F
Dew Point
29°F
7 AM
35°F
0%
3mph
E
Mostly Clear
Humidity
77%
Feels like
33°F
Dew Point
29°F
7:17 AM
8 AM
37°F
0%
6mph
SE
Mostly Sunny
Humidity
74%
Feels like
32°F
Dew Point
29°F
9 AM
39°F
0%
7mph
SE
Partly Cloudy
Humidity
69%
Feels like
34°F
Dew Point
30°F
10 AM
43°F
0%
8mph
SSE
Mostly Sunny
Humidity
61%
Feels like
39°F
Dew Point
31°F
11 AM
46°F
0%
8mph
SSE
Mostly Sunny
Humidity
55%
Feels like
42°F
Dew Point
31°F
12 PM
49°F
0%
9mph
SSE
Mostly Sunny
Humidity
50%
Feels like
46°F
Dew Point
31°F
1 PM
52°F
0%
10mph
SSE
Sunny
Humidity
46%
Feels like
52°F
Dew Point
31°F
2 PM
53°F
0%
10mph
SSE
Sunny
Humidity
45%
Feels like
53°F
Dew Point
32°F
3 PM
51°F
0%
9mph
SE
Sunny
Humidity
47%
Feels like
51°F
Dew Point
32°F
4 PM
48°F
0%
9mph
SE
Sunny
Humidity
53%
Feels like
44°F
Dew Point
31°F
4:12 PM
5 PM
45°F
0%
9mph
SE
Clear
Humidity
58%
Feels like
40°F
Dew Point
31°F
6 PM
42°F
0%
8mph
ESE
Clear
Humidity
62%
Feels like
37°F
Dew Point
31°F
7 PM
41°F
0%
8mph
ESE
Clear
Humidity
67%
Feels like
35°F
Dew Point
31°F
8 PM
39°F
0%
7mph
ESE
Clear
Humidity
71%
Feels like
34°F
Dew Point
30°F
9 PM
38°F
0%
7mph
SE
Clear
Humidity
75%
Feels like
32°F
Dew Point
30°F
10 PM
36°F
0%
6mph
SE
Clear
Humidity
79%
Feels like
31°F
Dew Point
30°F
11 PM
35°F
0%
6mph
SSE
Clear
Humidity
81%
Feels like
30°F
Dew Point
30°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

Thursday's Weather Outlook

Today'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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