Corson, SD Weather Forecast

Local 7-day forecast

77°
F

Patchy Fog then Mostly Cloudy

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

Thursday, September 17, 2026
Wind: 0 to 5 mph ENE
Thursday

Patchy fog before 9am. Mostly cloudy, with a high near 77. East northeast wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Corson, 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: Sep 16, 2026 1:10 PM CDT.

The active forecast window currently covers Sep 17 to Sep 22, 2026 for Corson, SD.

Page Snapshot

Page focus
city weather
Forecast window
Sep 17 to Sep 22, 2026
Latest sync
Sep 16, 2026 1:10 PM CDT
Forecast office
FSD
Source
NOAA / NWS
Next High
77°F
Thursday
Next Low
61°F
Thursday Night
Rain Outlook
8
Periods mentioning precipitation
Windiest
5 to 15 mph
Thursday Night

Daily Outlook

Today
Sep 17
Patchy Fog then Mostly Cloudy
77 °F
/ 61°F
Wind 0 to 5 mph
Fri
Sep 18
Showers And Thunderstorms
77 °F
/ 58°F
Wind 10 to 15 mph
Sat
Sep 19
Slight Chance Rain Showers then Mostly Cloudy
69 °F
/ 54°F
Wind 5 to 10 mph
Sun
Sep 20
Chance Rain Showers
67 °F
/ 53°F
Wind 5 to 10 mph
Mon
Sep 21
Chance Rain Showers then Mostly Cloudy
67 °F
/ 51°F
Wind 5 mph
Tue
Sep 22
Partly Sunny
71 °F
/ 53°F
Wind 0 to 10 mph

This Week in Corson

Thursday looks like the warmest upcoming period in Corson at 77 degrees F.

Monday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Thursday Night at about 5 to 15 mph E.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
Sep 16, 2026 1:10 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 source

Extended Forecast

Thursday Night
Sep 17
61°F
Showers And Thunderstorms
5 to 15 mph E

A chance of rain showers between 7pm and 10pm, then showers and thunderstorms. Cloudy, with a low around 61. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Friday
Sep 18
77°F
Showers And Thunderstorms
10 to 15 mph SSE

Showers and thunderstorms. Mostly cloudy, with a high near 77. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

Friday Night
Sep 18
58°F
Chance Showers And Thunderstorms
5 to 10 mph NNE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North northeast wind 5 to 10 mph. Chance of precipitation is 50%.

Saturday
Sep 19
69°F
Slight Chance Rain Showers then Mostly Cloudy
5 to 10 mph NNE

A slight chance of rain showers before 7am. Mostly cloudy, with a high near 69.

Saturday Night
Sep 19
54°F
Mostly Cloudy
5 to 10 mph NE

Mostly cloudy, with a low around 54.

Sunday
Sep 20
67°F
Chance Rain Showers
5 to 10 mph NE

A chance of rain showers after 7am. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.

Sunday Night
Sep 20
53°F
Chance Rain Showers
5 mph NE

A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

Monday
Sep 21
67°F
Chance Rain Showers then Mostly Cloudy
5 mph NE

A chance of rain showers before 7am. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.

Monday Night
Sep 21
51°F
Mostly Cloudy
0 to 5 mph ENE

Mostly cloudy, with a low around 51.

Tuesday
Sep 22
71°F
Partly Sunny
0 to 10 mph SE

Partly sunny, with a high near 71.

Tuesday Night
Sep 22
53°F
Chance Rain Showers
0 to 5 mph SSE

A chance of rain showers after 7pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Sep 17
Patchy Fog then Mostly Cloudy
77°F
0 to 5 mph
ENE
Thursday Night
Sep 17
Showers And Thunderstorms
61°F
5 to 15 mph
E
Friday
Sep 18
Showers And Thunderstorms
77°F
10 to 15 mph
SSE
Friday Night
Sep 18
Chance Showers And Thunderstorms
58°F
5 to 10 mph
NNE
Saturday
Sep 19
Slight Chance Rain Showers then Mostly Cloudy
69°F
5 to 10 mph
NNE
Saturday Night
Sep 19
Mostly Cloudy
54°F
5 to 10 mph
NE
Sunday
Sep 20
Chance Rain Showers
67°F
5 to 10 mph
NE
Sunday Night
Sep 20
Chance Rain Showers
53°F
5 mph
NE
Monday
Sep 21
Chance Rain Showers then Mostly Cloudy
67°F
5 mph
NE
Monday Night
Sep 21
Mostly Cloudy
51°F
0 to 5 mph
ENE
Tuesday
Sep 22
Partly Sunny
71°F
0 to 10 mph
SE
Tuesday Night
Sep 22
Chance Rain Showers
53°F
0 to 5 mph
SSE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.