Iona Weather Forecast 15 Days, Weather in Iona Today

Current weather conditions and 15 day weather forecast for Iona, South Dakota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Iona

09 August 2026 Sunday
27.2 ° C / 81°F
Clear
Clear
Feels Like : 28.2 ° C / 82.8°F
Humidity : % 59
Pressure : 1004 mb
Wind Speed : 23.8 kmph / 14.8 miles from SESE
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Iona, SD, USA

Weather Forecast for next 15 Days for Iona including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Iona, South Dakota state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
08 August 2026 Saturday Sunny Sunny 13.7 ° C
(56.7°F)
32.4 ° C
(90.3°F)
23.3 ° C
(74°F)
% 59 4% 6.4 Sunrise:06:34 AM
Sunset: 08:51 PM
Moonrise:01:06 AM
Moonset: 05:44 PM
Moon Phase
( Waning Crescent )
09 August 2026 Sunday Sunny Sunny 20.4 ° C
(68.7°F)
36.6 ° C
(97.9°F)
28.6 ° C
(83.4°F)
% 49 2% 5.6 Sunrise:06:36 AM
Sunset: 08:50 PM
Moonrise:02:03 AM
Moonset: 06:46 PM
Moon Phase
( Waning Crescent )
10 August 2026 Monday Sunny Sunny 20.6 ° C
(69°F)
40.5 ° C
(105°F)
29.8 ° C
(85.6°F)
% 49 57% 6.2 Sunrise:06:37 AM
Sunset: 08:49 PM
Moonrise:03:15 AM
Moonset: 07:36 PM
Moon Phase
( New Moon )
11 August 2026 Tuesday Sunny Sunny 19.4 ° C
(66.8°F)
35.2 ° C
(95.3°F)
26.4 ° C
(79.5°F)
% 57 36% 6 Sunrise:06:38 AM
Sunset: 08:47 PM
Moonrise:04:36 AM
Moonset: 08:16 PM
Moon Phase
( New Moon )
12 August 2026 Wednesday Sunny Sunny 20.8 ° C
(69.5°F)
37.8 ° C
(100°F)
27.6 ° C
(81.8°F)
% 51 57% 6.2 Sunrise:06:39 AM
Sunset: 08:46 PM
Moonrise:06:02 AM
Moonset: 08:47 PM
Moon Phase
( New Moon )
13 August 2026 Thursday Sunny Sunny 18.5 ° C
(65.3°F)
29.7 ° C
(85.5°F)
23.6 ° C
(74.5°F)
% 59 36% 7 Sunrise:06:40 AM
Sunset: 08:44 PM
Moonrise:07:26 AM
Moonset: 09:13 PM
Moon Phase
( New Moon )
14 August 2026 Friday Sunny Sunny 16.5 ° C
(61.6°F)
32.9 ° C
(91.2°F)
24.8 ° C
(76.6°F)
% 43 1% 8 Sunrise:06:41 AM
Sunset: 08:43 PM
Moonrise:08:47 AM
Moonset: 09:35 PM
Moon Phase
( Waxing Crescent )
15 August 2026 Saturday Sunny Sunny 21.9 ° C
(71.3°F)
34.9 ° C
(94.8°F)
27.6 ° C
(81.8°F)
% 46 2% 8 Sunrise:06:42 AM
Sunset: 08:41 PM
Moonrise:10:06 AM
Moonset: 09:57 PM
Moon Phase
( Waxing Crescent )
16 August 2026 Sunday Sunny Sunny 22.2 ° C
(71.9°F)
38.3 ° C
(100.9°F)
29.6 ° C
(85.3°F)
% 55 3% 9 Sunrise:06:43 AM
Sunset: 08:40 PM
Moonrise:11:22 AM
Moonset: 10:19 PM
Moon Phase
( Waxing Crescent )
17 August 2026 Monday Sunny Sunny 20.2 ° C
(68.4°F)
35.4 ° C
(95.8°F)
27.2 ° C
(80.9°F)
% 61 57% 9 Sunrise:06:44 AM
Sunset: 08:38 PM
Moonrise:12:37 PM
Moonset: 10:44 PM
Moon Phase
( Waxing Crescent )
18 August 2026 Tuesday Sunny Sunny 21.3 ° C
(70.4°F)
38.5 ° C
(101.2°F)
29.4 ° C
(85°F)
% 42 17% 9 Sunrise:06:46 AM
Sunset: 08:37 PM
Moonrise:01:50 PM
Moonset: 11:12 PM
Moon Phase
( First Quarter )
19 August 2026 Wednesday Sunny Sunny 20.3 ° C
(68.5°F)
32.1 ° C
(89.8°F)
25.7 ° C
(78.2°F)
% 44 57% 8 Sunrise:06:47 AM
Sunset: 08:35 PM
Moonrise:03:01 PM
Moonset: 11:46 PM
Moon Phase
( First Quarter )
20 August 2026 Thursday Sunny Sunny 16.9 ° C
(62.4°F)
31.4 ° C
(88.5°F)
24 ° C
(75.2°F)
% 52 3% 8 Sunrise:06:48 AM
Sunset: 08:33 PM
Moonrise:04:07 PM
Moonset: Does not set today
Moon Phase
( First Quarter )
21 August 2026 Friday Sunny Sunny 20.5 ° C
(68.8°F)
37.5 ° C
(99.5°F)
28.8 ° C
(83.9°F)
% 43 36% 9 Sunrise:06:49 AM
Sunset: 08:32 PM
Moonrise:05:06 PM
Moonset: 12:28 AM
Moon Phase
( First Quarter )
Iona Weather forecasts are usually fully updated every 4 hours.
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