Yankton County, SD Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Yankton County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Yankton County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Yankton County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 9:26 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Yankton County
Saturday looks like the warmest upcoming period in Yankton County at 87 degrees F.
Tonight is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Wednesday at about 15 to 20 mph SSE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 9:26 AM 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 sourceExtended Forecast
A chance of showers and thunderstorms before 9pm. Partly cloudy. Low around 58, with temperatures rising to around 61 overnight. South wind 5 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 84. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 59. East northeast wind 5 to 10 mph.
A slight chance of showers and thunderstorms after 7am. Partly sunny, with a high near 85. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7am, then showers and thunderstorms likely. Cloudy, with a high near 82. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Partly sunny, with a high near 87.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
May 31
|
Chance Showers And Thunderstorms
|
84°F |
10 to 15 mph
SE
|
|
Tonight
May 31
|
Chance Showers And Thunderstorms then Partly Cloudy
|
58°F |
5 to 15 mph
S
|
|
Monday
Jun 1
|
Mostly Sunny
|
84°F |
10 to 15 mph
NW
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
59°F |
5 to 10 mph
ENE
|
|
Tuesday
Jun 2
|
Slight Chance Showers And Thunderstorms
|
85°F |
5 to 15 mph
SE
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
60°F |
15 mph
SE
|
|
Wednesday
Jun 3
|
Chance Showers And Thunderstorms
|
85°F |
15 to 20 mph
SSE
|
|
Wednesday Night
Jun 3
|
Showers And Thunderstorms Likely
|
61°F |
10 to 15 mph
S
|
|
Thursday
Jun 4
|
Showers And Thunderstorms Likely
|
82°F |
10 to 15 mph
S
|
|
Thursday Night
Jun 4
|
Showers And Thunderstorms Likely
|
60°F |
5 to 15 mph
SSE
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
85°F |
5 to 15 mph
SSE
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
60°F |
5 to 10 mph
S
|
|
Saturday
Jun 6
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
SE
|
|
Saturday Night
Jun 6
|
Slight Chance Showers And Thunderstorms
|
60°F |
5 to 10 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Yankton County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Yankton County.
Largest mapped city population in this region: 14,651.
