Lake County, SD Weather Forecast
County weather hub
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Compare major city weather across Lake County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
County Weather Overview
This county weather page brings together forecast coverage for Lake 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 Lake County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30, 2026
- Latest sync
- May 24, 2026 9:59 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake County
Saturday looks like the warmest upcoming period in Lake County at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph SE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 9:59 AM CDT
- Coverage
- 1 day
- 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 slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
77°F |
10 to 15 mph
SE
|
|
Saturday Night
May 30
|
Slight Chance Showers And Thunderstorms
|
54°F |
10 to 15 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Lake County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Lake County.
Largest mapped city population in this region: 7,064.
