Weather today - Iona, SD

Today

Tomorrow

Long-term

Year J F M A M J J A S October N D

Weather forecast for today

Current condition 3:31 pm CDT

72°F
Feels like:
72°F

Sunny

Precipitation: 0"
Wind: 17mphS 190°
Humidity: 25%
Dewpoint: 36°F
Pressure: 30.02"Hg
Visibility: 10mi
UV index: 2
details ▼

In Iona, at the moment, a calm and sunny day is perfect for outdoor activities.
The temperature is a delightful 71.6°F.

Saturday Oct 17, 2026

min.
45°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 17mphSSW 199°
Humidity: 41%
UV index: 0
Sunrise: 7:54 am CDT
Sunset: 6:51 pm CDT
details ▼

For the remainder of Saturday, calm and clear weather will dominate.
The lowest forecasted temperature is a brisk 44.6°F.
Sunrise was at 7:54 am and sunset will be at 6:51 pm; the daylight will last for 10h and 57min.

Hourly overview

Hourly temperatures

Warmest period: 4 pm - 5 pm 72°C.
Coldest hour: 12 am 55°C.

Chance of precipitation

Highest chance: 4 pm - 12 am 0%.

Hourly weather forecast

4 pm

72°F
Feels like:
72°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 17mphSSW 194°
Humidity: 26%
Pressure: 30"Hg
Visibility: 10mi
UV index: 2
details ▼

5 pm

72°F
Feels like:
72°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 16mphS 190°
Humidity: 27%
Pressure: 29.97"Hg
Visibility: 10mi
UV index: 1
details ▼

6 pm

68°F
Feels like:
68°F

Sunny

Precip. probability: 0%
Precipitation: 0"
Wind: 14mphS 186°
Humidity: 30%
Pressure: 29.97"Hg
Visibility: 10mi
UV index: 0
details ▼

Sunset: 6:51 pm

7 pm

63°F
Feels like:
61°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 12mphS 182°
Humidity: 37%
Pressure: 29.94"Hg
Visibility: 10mi
UV index: 0
details ▼

8 pm

59°F
Feels like:
57°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 12mphS 186°
Humidity: 40%
Pressure: 29.97"Hg
Visibility: 10mi
UV index: 0
details ▼

9 pm

59°F
Feels like:
55°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 14mphSSW 192°
Humidity: 41%
Pressure: 29.97"Hg
Visibility: 10mi
UV index: 0
details ▼

10 pm

57°F
Feels like:
54°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 16mphSSW 199°
Humidity: 41%
Pressure: 29.97"Hg
Visibility: 10mi
UV index: 0
details ▼

11 pm

57°F
Feels like:
54°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 16mphSSW 201°
Humidity: 42%
Pressure: 29.97"Hg
Visibility: 10mi
UV index: 0
details ▼

12 am

55°F
Feels like:
52°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 16mphSSW 203°
Humidity: 43%
Pressure: 29.94"Hg
Visibility: 10mi
UV index: 0
details ▼

1 am

55°F
Feels like:
50°F

Clear

Precip. probability: 0%
Precipitation: 0"
Wind: 16mphSSW 204°
Humidity: 44%
Pressure: 29.94"Hg
Visibility: 10mi
UV index: 0
details ▼

For the rest of Saturday, primarily bright and sunny weather is anticipated.
The temperature will be between the highest temperature of 71.6°F and the lowest temperature of 57.2°F.

Updated: Oct 17, 2026 @ 20:31:00 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate