Iona, SD Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Iona, SD in one place.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 13 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Iona, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 31, 2026 8:33 PM CDT.
The active forecast window currently covers Jun 2 to Jun 7, 2026 for Iona, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 7, 2026
- Latest sync
- May 31, 2026 8:33 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Iona
Saturday looks like the warmest upcoming period in Iona at 85 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday at about 13 to 26 mph SE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 8:33 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KLNX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. South southeast wind 22 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. South wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind 14 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. South southeast wind around 14 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Mostly sunny, with a high near 85.
Mostly clear, with a low around 62.
Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Chance Showers And Thunderstorms
|
82°F |
13 to 26 mph
SE
|
|
Tuesday Night
Jun 2
|
Showers And Thunderstorms Likely
|
59°F |
22 to 26 mph
SSE
|
|
Wednesday
Jun 3
|
Showers And Thunderstorms Likely
|
83°F |
25 mph
S
|
|
Wednesday Night
Jun 3
|
Showers And Thunderstorms Likely
|
60°F |
14 to 24 mph
S
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms
|
81°F |
14 mph
S
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
59°F |
14 mph
SSE
|
|
Friday
Jun 5
|
Partly Sunny then Chance Showers And Thunderstorms
|
82°F |
13 to 17 mph
SE
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
60°F |
8 to 16 mph
SSE
|
|
Saturday
Jun 6
|
Mostly Sunny
|
85°F |
9 to 14 mph
SSE
|
|
Saturday Night
Jun 6
|
Mostly Clear
|
62°F |
16 mph
SE
|
|
Sunday
Jun 7
|
Mostly Sunny
|
85°F |
15 to 23 mph
SE
|
Nearby Forecasts
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