Marion, SD Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Marion, SD in one place.
Showers and thunderstorms likely before 7am. Mostly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Marion, 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 27, 2026 7:48 AM CDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Marion, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 7:48 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Marion
Saturday looks like the warmest upcoming period in Marion at 91 degrees F.
Monday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 7:48 AM CDT
- Coverage
- 5 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
Mostly cloudy, with a low around 72.
Mostly sunny, with a high near 91.
Partly cloudy, with a low around 69.
A slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 88.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 65.
A slight chance of rain showers before 1pm. Partly sunny, with a high near 86.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 66.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Showers And Thunderstorms Likely then Mostly Sunny
|
91°F |
10 to 15 mph
S
|
|
Saturday Night
Aug 29
|
Mostly Cloudy
|
72°F |
10 mph
SSE
|
|
Sunday
Aug 30
|
Mostly Sunny
|
91°F |
10 mph
SSW
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
69°F |
5 to 10 mph
SSW
|
|
Monday
Aug 31
|
Slight Chance Showers And Thunderstorms
|
88°F |
10 mph
NNW
|
|
Monday Night
Aug 31
|
Slight Chance Rain Showers
|
65°F |
5 to 10 mph
E
|
|
Tuesday
Sep 1
|
Slight Chance Rain Showers
|
86°F |
5 to 10 mph
ESE
|
|
Tuesday Night
Sep 1
|
Slight Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
SE
|
|
Wednesday
Sep 2
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
88°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marion.
Nearby forecast pages are not available for this location yet.