Lake County, SD Weather Forecast

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Lake County, SD Weather Forecast

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Lake County SD weather  - Clear - 41°F
Clear
41°F
Updated 5:28 am
Feels Like 45°F
Humidity 100%
Wind NW 9 mph
Barometer  30.28 in
Dew Point 41°F
Lake County SD weather  - Clear - 5°C
Clear
5°C
Updated 5:28 am
Feels Like 7°C
Humidity 100%
Wind NW 14 km/h
Barometer  102.5 kPa
Dew Point 5°C

Lake County Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Lake County, SD Weather - Today Sunny Lake County, SD Weather - Tonight Mostly Clear Lake County, SD Weather - Monday Sunny Lake County, SD Weather - Monday Night Mostly Clear Lake County, SD Weather - Tuesday Sunny Lake County, SD Weather - Tuesday Night Mostly Clear Lake County, SD Weather - Wednesday Sunny Lake County, SD Weather - Wednesday Night Partly Cloudy Lake County, SD Weather - Thursday Mostly Sunny Lake County, SD Weather - Thursday Night Partly Cloudy Lake County, SD Weather - Friday Mostly Sunny Lake County, SD Weather - Friday Night Mostly Clear
Sunny Mostly Clear Sunny Mostly Clear Sunny Mostly Clear Sunny Partly Cloudy Mostly Sunny Partly Cloudy Mostly Sunny Mostly Clear
Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C Hi: 70°FHi: 21°C
Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
Lo: 50°FLo: 10°C Hi: 69°FHi: 21°C
Lo: 59°FLo: 15°C
POP = Probability of Precipitation.
Weather Outlook Updated: 354 AM CDT Sun Oct 04 2026 Lake County, SD Weather - WeatherWorld.com

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Issued: 318 AM CDT Sun Oct 4 2026

Key Messages

  • An extended period of warm and dry conditions is expected for much of the upcoming work week.
  • Warm temperatures and occasionally gusty afternoon winds could begin leading to fire weather concerns as fine fuels begin to dry out.

Discussion

... Issued at 217 PM CDT Sat Oct 3 2026

REST OF TODAY/TONIGHT: Sprinkles/showers continue to move east this afternoon, mainly along and north of I-90. First round of showers with the initial WAA and the LLJ continues to push east of I-29 this afternoon...