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Lyonville, South Dakota Weather Forecast
Lyonville, South Dakota Weather
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Weather Forecast for Lyonville, South Dakota : Brule County
Issued: 12:04 am CST Dec 15, 2025 Latitude: 43.877774 Longitude: -98.9706501 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Overnight Mostly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
Low: 24°F High: 39°F High: 47°F High: 50°F High: 22°F High: 44°F High: 36°F High: 39°F
Low: 29°F Low: 25°F Low: 14°F Low: 8°F Low: 24°F Low: 18°F  
Cloudy Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
CHAMBERLAIN - (K9V9)
27°
Clear
as of 12:15 AM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
5 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MITCHELL - (KMHE)
25°
Feels like 13°F
Clear
as of 11:53 PM CST
Rel. Humidity: 85%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
13 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
HURON - (KHON)
21°
Feels like 10°F
Clear
as of 11:55 PM CST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
10 MPH
150° Southeast
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a steady temperature around 24. West wind around 5 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 39. West wind 5 to 10 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a steady temperature around 29. South southwest wind around 5 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 47. West wind 5 to 15 mph, with gusts as high as 25 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 25. West northwest wind 5 to 10 mph becoming south after midnight.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 50. South wind 10 to 15 mph, with gusts as high as 30 mph.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 14. Blustery.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 22. Blustery.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 8.

Partly Sunny on Friday Friday... Partly sunny, with a high near 44.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 24.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 36.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 18.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 39.

Sun Almanac for Lyonville, South Dakota
Sunrise: 08:04 AM
Sunset: 4:59 PM
Civil Sunrise:07:31 AM
Civil Sunset: 5:32 PM
Nautical Sunrise: 06:54 AM
Nautical Sunset: 6:08 PM
Astro Sunrise: 06:19 AM
Astro Sunset: 6:43 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.