Clay County, SD Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Clay County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 65.
County Weather Overview
This county weather page brings together forecast coverage for Clay County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Clay County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 20 to May 23, 2026
- Latest sync
- May 16, 2026 8:15 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Clay County
Saturday looks like the warmest upcoming period in Clay County at 78 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Thursday at about 10 to 20 mph SSE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 16, 2026 8:15 PM CDT
- Coverage
- 4 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
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 68.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 45.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 72.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 20
|
Mostly Sunny
|
65°F |
5 to 10 mph
NNE
|
|
Wednesday Night
May 20
|
Partly Cloudy
|
41°F |
10 mph
SE
|
|
Thursday
May 21
|
Mostly Sunny
|
68°F |
10 to 20 mph
SSE
|
|
Thursday Night
May 21
|
Mostly Cloudy then Slight Chance Rain Showers
|
45°F |
10 to 15 mph
SE
|
|
Friday
May 22
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
72°F |
10 to 15 mph
SE
|
|
Friday Night
May 22
|
Chance Showers And Thunderstorms
|
50°F |
10 to 15 mph
SE
|
|
Saturday
May 23
|
Chance Showers And Thunderstorms
|
78°F |
10 to 20 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Clay County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Clay County.
