Chester, SD Weather Forecast

Local 7-day forecast

69°
F

Chance Rain Showers

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

Wednesday, September 16, 2026
Wind: 5 to 15 mph SE
Wednesday

A chance of rain showers after 7am. Mostly cloudy, with a high near 69. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Local 7-day forecast

Local Weather Overview

This forecast page for Chester, 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 14, 2026 6:30 PM CDT.

The active forecast window currently covers Sep 16 to Sep 20, 2026 for Chester, SD.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 20, 2026
Latest sync
Sep 14, 2026 6:30 PM CDT
Forecast office
FSD
Source
NOAA / NWS
Next High
69°F
Wednesday
Next Low
55°F
Wednesday Night
Rain Outlook
9
Periods mentioning precipitation
Windiest
5 to 15 mph
Wednesday

Daily Outlook

Today
Sep 16
Chance Rain Showers
69 °F
/ 55°F
Wind 5 to 15 mph
Thu
Sep 17
Partly Sunny then Chance Rain Showers
75 °F
/ 60°F
Wind 5 to 10 mph
Fri
Sep 18
Showers And Thunderstorms
78 °F
/ 60°F
Wind 10 to 15 mph
Sat
Sep 19
Chance Rain Showers
72 °F
/ 54°F
Wind 10 to 15 mph
Sun
Sep 20
Slight Chance Rain Showers
69 °F
/ 51°F
Wind 5 to 10 mph

This Week in Chester

Friday looks like the warmest upcoming period in Chester at 78 degrees F.

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

The strongest winds are forecast for Wednesday at about 5 to 15 mph SE.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated
Sep 14, 2026 6:30 PM 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 source

Extended Forecast

Wednesday Night
Sep 16
55°F
Chance Rain Showers then Mostly Cloudy
5 to 10 mph ESE

A chance of rain showers before 7pm. Mostly cloudy, with a low around 55. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.

Thursday
Sep 17
75°F
Partly Sunny then Chance Rain Showers
5 to 10 mph ENE

A chance of rain showers after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.

Thursday Night
Sep 17
60°F
Showers And Thunderstorms
10 to 15 mph ESE

A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 80%.

Friday
Sep 18
78°F
Showers And Thunderstorms
10 to 15 mph SSE

Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 80%.

Friday Night
Sep 18
60°F
Chance Showers And Thunderstorms
10 mph SSE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

Saturday
Sep 19
72°F
Chance Rain Showers
10 to 15 mph N

A chance of rain showers. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.

Saturday Night
Sep 19
54°F
Chance Rain Showers
5 to 10 mph NNE

A chance of rain showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

Sunday
Sep 20
69°F
Slight Chance Rain Showers
5 to 10 mph N

A slight chance of rain showers before 1pm. Partly sunny, with a high near 69.

Sunday Night
Sep 20
51°F
Partly Cloudy
5 to 10 mph NNE

Partly cloudy, with a low around 51.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Chance Rain Showers
69°F
5 to 15 mph
SE
Wednesday Night
Sep 16
Chance Rain Showers then Mostly Cloudy
55°F
5 to 10 mph
ESE
Thursday
Sep 17
Partly Sunny then Chance Rain Showers
75°F
5 to 10 mph
ENE
Thursday Night
Sep 17
Showers And Thunderstorms
60°F
10 to 15 mph
ESE
Friday
Sep 18
Showers And Thunderstorms
78°F
10 to 15 mph
SSE
Friday Night
Sep 18
Chance Showers And Thunderstorms
60°F
10 mph
SSE
Saturday
Sep 19
Chance Rain Showers
72°F
10 to 15 mph
N
Saturday Night
Sep 19
Chance Rain Showers
54°F
5 to 10 mph
NNE
Sunday
Sep 20
Slight Chance Rain Showers
69°F
5 to 10 mph
N
Sunday Night
Sep 20
Partly Cloudy
51°F
5 to 10 mph
NNE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.