Iona, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Iona, SD in one place.
Sunny, with a high near 99. Southwest wind 8 to 17 mph.
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: Jul 16, 2026 4:30 PM CDT.
The active forecast window currently covers Jul 17 to Jul 22, 2026 for Iona, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 22, 2026
- Latest sync
- Jul 16, 2026 4:30 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Iona
Sunday looks like the warmest upcoming period in Iona at 101 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 12 to 18 mph NNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 16, 2026 4:30 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
Mostly clear, with a low around 71. Northeast wind 9 to 13 mph.
Sunny, with a high near 94. East northeast wind around 14 mph, with gusts as high as 22 mph.
Mostly clear, with a low around 71. East southeast wind around 16 mph.
Mostly sunny, with a high near 101. South southeast wind around 16 mph, with gusts as high as 24 mph.
A chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 74. South wind 14 to 17 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 97. North northwest wind 12 to 18 mph.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 85.
Partly cloudy, with a low around 63.
A chance of rain showers after 7am. Partly sunny, with a high near 81. Chance of precipitation is 30%.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Sunny
|
99°F |
8 to 17 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
71°F |
9 to 13 mph
NE
|
|
Saturday
Jul 18
|
Sunny
|
94°F |
14 mph
ENE
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
71°F |
16 mph
ESE
|
|
Sunday
Jul 19
|
Mostly Sunny
|
101°F |
16 mph
SSE
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
74°F |
14 to 17 mph
S
|
|
Monday
Jul 20
|
Mostly Sunny
|
97°F |
12 to 18 mph
NNW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
69°F |
12 to 18 mph
NNE
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
85°F |
13 to 18 mph
NNE
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
63°F |
10 to 17 mph
E
|
|
Wednesday
Jul 22
|
Chance Rain Showers
|
81°F |
9 to 15 mph
SSE
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
63°F |
12 to 17 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Iona.
Nearby forecast pages are not available for this location yet.