Hourly Weather Forecast - Iona, SD

10 AM
47°F
10%
22mph
WSW
Windy
Humidity
54%
Feels like
40°F
Dew Point
32°F
11 AM
50°F
70%
23mph
W
70% Chance Rain Showers
Humidity
51%
Feels like
50°F
Dew Point
33°F
12 PM
52°F
30%
25mph
W
30% Chance Rain Showers
Humidity
51%
Feels like
52°F
Dew Point
35°F
1 PM
53°F
30%
27mph
WNW
30% Chance Rain Showers
Humidity
53%
Feels like
53°F
Dew Point
36°F
2 PM
52°F
30%
30mph
WNW
30% Chance Rain Showers
Humidity
55%
Feels like
52°F
Dew Point
37°F
3 PM
50°F
30%
33mph
WNW
30% Chance Rain Showers
Humidity
57%
Feels like
50°F
Dew Point
35°F
4 PM
46°F
0%
33mph
NW
Windy
Humidity
59%
Feels like
37°F
Dew Point
33°F
4:08 PM
5 PM
43°F
0%
32mph
NW
Windy
Humidity
60%
Feels like
33°F
Dew Point
30°F
6 PM
41°F
0%
31mph
NW
Windy
Humidity
61%
Feels like
30°F
Dew Point
28°F
7 PM
39°F
0%
30mph
NW
Windy
Humidity
61%
Feels like
27°F
Dew Point
27°F
8 PM
37°F
0%
28mph
NW
Windy
Humidity
62%
Feels like
25°F
Dew Point
26°F
9 PM
37°F
0%
27mph
NW
Windy
Humidity
62%
Feels like
24°F
Dew Point
25°F
10 PM
36°F
0%
26mph
NW
Windy
Humidity
63%
Feels like
24°F
Dew Point
25°F
11 PM
35°F
0%
24mph
NW
Windy
Humidity
64%
Feels like
23°F
Dew Point
24°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