Marion, SD Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Marion, SD in one place.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 71. East northeast wind around 10 mph. Chance of precipitation is 50%.
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: Apr 13, 2026 9:09 PM CDT.
The active forecast window currently covers Apr 15 to Apr 20, 2026 for Marion, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 20, 2026
- Latest sync
- Apr 13, 2026 9:09 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Marion
Thursday looks like the warmest upcoming period in Marion at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Friday at about 20 to 35 mph WSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 9:09 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 showers and thunderstorms before 1am. Partly cloudy, with a low around 46. East northeast wind around 10 mph. Chance of precipitation is 50%.
Sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 53.
A chance of rain showers after 7am. Partly sunny, with a high near 60. Chance of precipitation is 30%.
A chance of rain showers before 10pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
A chance of snow showers. Partly sunny, with a high near 49. Chance of precipitation is 30%.
A slight chance of snow showers before 7pm. Partly cloudy, with a low around 25.
Sunny, with a high near 58.
Mostly clear, with a low around 40.
Mostly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
71°F |
10 mph
ENE
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
46°F |
10 mph
ENE
|
|
Thursday
Apr 16
|
Sunny
|
80°F |
10 to 15 mph
S
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
53°F |
15 to 20 mph
SSE
|
|
Friday
Apr 17
|
Chance Rain Showers
|
60°F |
20 to 35 mph
WSW
|
|
Friday Night
Apr 17
|
Chance Rain And Snow Showers
|
29°F |
25 to 30 mph
NW
|
|
Saturday
Apr 18
|
Chance Snow Showers
|
49°F |
25 to 35 mph
NW
|
|
Saturday Night
Apr 18
|
Slight Chance Snow Showers then Partly Cloudy
|
25°F |
10 to 30 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
58°F |
10 to 15 mph
WSW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
40°F |
15 mph
SSE
|
|
Monday
Apr 20
|
Mostly Sunny
|
72°F |
15 to 25 mph
SSE
|
Nearby Forecasts
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