Lake County, SD Weather Forecast
County weather hub
Chance Rain Showers
Compare major city weather across Lake County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers. Partly sunny, with a high near 64. Chance of precipitation is 40%.
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
- Apr 15 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 9:20 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake County
Thursday looks like the warmest upcoming period in Lake County at 70 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Thursday at about 15 to 20 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 9:20 PM CDT
- Coverage
- 2 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 rain showers before 1am. Partly cloudy, with a low around 43. Chance of precipitation is 30%.
A slight chance of rain showers after 1pm. Sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
64°F |
10 to 15 mph
NW
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
43°F |
10 to 15 mph
SSW
|
|
Thursday
Apr 16
|
Sunny then Slight Chance Rain Showers
|
70°F |
15 to 20 mph
SW
|
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.
