Iroquois, SD Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Iroquois, SD in one place.
Mostly sunny, with a high near 89. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Iroquois, 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: Aug 28, 2026 7:35 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Iroquois, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 7:35 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Iroquois
Sunday looks like the warmest upcoming period in Iroquois at 91 degrees F.
Monday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph SSE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 7:35 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers after 1am. Mostly cloudy, with a low around 69. East wind 5 to 10 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 91. Southeast wind around 10 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 68. West southwest wind 5 to 10 mph.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 64.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88.
Mostly clear, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Sunny
|
89°F |
5 to 15 mph
SSE
|
|
Saturday Night
Aug 29
|
Mostly Cloudy then Chance Rain Showers
|
69°F |
5 to 10 mph
E
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers then Mostly Sunny
|
91°F |
10 mph
SE
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
68°F |
5 to 10 mph
WSW
|
|
Monday
Aug 31
|
Mostly Sunny
|
86°F |
10 mph
NNW
|
|
Monday Night
Aug 31
|
Partly Cloudy
|
64°F |
5 mph
ESE
|
|
Tuesday
Sep 1
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
5 to 10 mph
ESE
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
64°F |
5 mph
E
|
|
Wednesday
Sep 2
|
Slight Chance Rain Showers then Mostly Sunny
|
88°F |
5 to 10 mph
SE
|
|
Wednesday Night
Sep 2
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
68°F |
10 mph
SE
|
|
Thursday
Sep 3
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
88°F |
10 mph
S
|
|
Thursday Night
Sep 3
|
Mostly Clear
|
65°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Iroquois.
Nearby forecast pages are not available for this location yet.