Marion, SD Weather Forecast

Local 7-day forecast

61°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Marion, SD in one place.

Saturday, October 17, 2026
Wind: 10 to 20 mph SSW
Saturday

Sunny, with a high near 61. South southwest wind 10 to 20 mph, with gusts as high as 35 mph.

Local 7-day forecast

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: Oct 16, 2026 9:50 PM CDT.

The active forecast window currently covers Oct 17 to Oct 23, 2026 for Marion, SD.

Page Snapshot

Page focus
city weather
Forecast window
Oct 17 to Oct 23, 2026
Latest sync
Oct 16, 2026 9:50 PM CDT
Forecast office
FSD
Source
NOAA / NWS
Next High
61°F
Saturday
Next Low
41°F
Saturday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
10 to 20 mph
Saturday

Daily Outlook

Today
Oct 17
Sunny
61 °F
/ 41°F
Wind 10 to 20 mph
Sun
Oct 18
Sunny
63 °F
/ 41°F
Wind 15 mph
Mon
Oct 19
Mostly Sunny
62 °F
/ 44°F
Wind 10 mph
Tue
Oct 20
Sunny
66 °F
/ 51°F
Wind 10 to 15 mph
Wed
Oct 21
Mostly Sunny
71 °F
/ 52°F
Wind 10 to 15 mph
Thu
Oct 22
Mostly Sunny
73 °F
/ 56°F
Wind 5 to 10 mph
Fri
Oct 23
Chance Rain Showers
72 °F
Wind 15 to 20 mph

This Week in Marion

Thursday looks like the warmest upcoming period in Marion at 73 degrees F.

Saturday Night is the coolest period ahead with temperatures near 41 degrees F.

The strongest winds are forecast for Saturday at about 10 to 20 mph SSW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Oct 16, 2026 9:50 PM CDT
Coverage
7 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 source

Extended Forecast

Saturday Night
Oct 17
41°F
Clear
15 to 20 mph S

Clear, with a low around 41. South wind 15 to 20 mph, with gusts as high as 35 mph.

Sunday
Oct 18
63°F
Sunny
15 mph S

Sunny, with a high near 63. South wind around 15 mph, with gusts as high as 30 mph.

Sunday Night
Oct 18
41°F
Mostly Clear
10 mph SSE

Mostly clear, with a low around 41. South southeast wind around 10 mph.

Monday
Oct 19
62°F
Mostly Sunny
10 mph SE

Mostly sunny, with a high near 62. Southeast wind around 10 mph, with gusts as high as 25 mph.

Monday Night
Oct 19
44°F
Partly Cloudy
10 mph SE

Partly cloudy, with a low around 44.

Tuesday
Oct 20
66°F
Sunny
10 to 15 mph SE

Sunny, with a high near 66.

Tuesday Night
Oct 20
51°F
Mostly Clear
15 mph SSE

Mostly clear, with a low around 51.

Wednesday
Oct 21
71°F
Mostly Sunny
10 to 15 mph S

Mostly sunny, with a high near 71.

Wednesday Night
Oct 21
52°F
Partly Cloudy
5 to 10 mph SSE

Partly cloudy, with a low around 52.

Thursday
Oct 22
73°F
Mostly Sunny
5 to 10 mph SE

Mostly sunny, with a high near 73.

Thursday Night
Oct 22
56°F
Partly Cloudy then Slight Chance Rain Showers
10 to 15 mph SE

A slight chance of rain showers after 1am. Partly cloudy, with a low around 56.

Friday
Oct 23
72°F
Chance Rain Showers
15 to 20 mph SSE

A chance of rain showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Oct 17
Sunny
61°F
10 to 20 mph
SSW
Saturday Night
Oct 17
Clear
41°F
15 to 20 mph
S
Sunday
Oct 18
Sunny
63°F
15 mph
S
Sunday Night
Oct 18
Mostly Clear
41°F
10 mph
SSE
Monday
Oct 19
Mostly Sunny
62°F
10 mph
SE
Monday Night
Oct 19
Partly Cloudy
44°F
10 mph
SE
Tuesday
Oct 20
Sunny
66°F
10 to 15 mph
SE
Tuesday Night
Oct 20
Mostly Clear
51°F
15 mph
SSE
Wednesday
Oct 21
Mostly Sunny
71°F
10 to 15 mph
S
Wednesday Night
Oct 21
Partly Cloudy
52°F
5 to 10 mph
SSE
Thursday
Oct 22
Mostly Sunny
73°F
5 to 10 mph
SE
Thursday Night
Oct 22
Partly Cloudy then Slight Chance Rain Showers
56°F
10 to 15 mph
SE
Friday
Oct 23
Chance Rain Showers
72°F
15 to 20 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.

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.