Iona, SD Weather Forecast
Local 7-day forecast
Chance Rain And Snow Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Iona, SD in one place.
A chance of rain showers before 10am, then a chance of rain and snow showers. Partly sunny, with a high near 49. Northwest wind 29 to 33 mph, with gusts as high as 44 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: Apr 13, 2026 10:09 AM CDT.
The active forecast window currently covers Apr 17 to Apr 19, 2026 for Iona, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 19, 2026
- Latest sync
- Apr 13, 2026 10:09 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Iona
Sunday looks like the warmest upcoming period in Iona at 65 degrees F.
Friday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Friday at about 29 to 33 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 10:09 AM CDT
- Coverage
- 3 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
A slight chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
A slight chance of snow showers before 7am. Mostly sunny, with a high near 49. Chance of precipitation is 20%.
Mostly clear, with a low around 28.
Sunny, with a high near 65.
Mostly clear, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Chance Rain And Snow Showers
|
49°F |
29 to 33 mph
NW
|
|
Friday Night
Apr 17
|
Slight Chance Rain And Snow Showers
|
27°F |
21 to 30 mph
NW
|
|
Saturday
Apr 18
|
Slight Chance Snow Showers then Mostly Sunny
|
49°F |
20 to 23 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
28°F |
12 to 20 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
65°F |
15 to 20 mph
SSW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
41°F |
17 to 21 mph
SSE
|
Nearby Forecasts
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