Sylvan Lake Resort, South Dakota Weather
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Weather Forecast for Sylvan Lake Resort, South Dakota : Custer County
Issued: 11:50 pm MDT Jun 2, 2025 Latitude: 43.8460964 Longitude: -103.5643601 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Overnight 20% chance of on Tuesday 60% chance of thunderstorms on Wednesday 60% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday 10% chance of thunderstorms on Sunday 10% chance of thunderstorms on Monday
Low: 38°F High: 51°F High: 49°F High: 54°F High: 61°F High: 69°F High: 61°F High: 65°F
Low: 37°F Low: 36°F Low: 40°F Low: 44°F Low: 45°F Low: 41°F  
Mostly Cloudy Partly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
CUSTER - (KCUT)
45°
Cloudy
as of 11:53 PM MDST
Rel. Humidity: 70%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
7 MPH
020° North
Cloud Level(s): Solid Overcast at 7000ft
Current Conditions at
RAPID CITY - (KRAP)
50°
Cloudy
as of 11:52 PM MDST
Rel. Humidity: 81%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
7 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
ELLSWORTH AFB - (KRCA)
52°
Cloudy
as of 11:55 PM MDST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
6 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
CHADRON - (KCDR)
52°
Cloudy
as of 11:53 PM MDST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
10 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 5000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a steady temperature around 38. North wind around 10 mph, with gusts as high as 20 mph.
20% chance of Tuesday Tuesday... A 20 percent chance of showers after noon. Partly sunny, with a high near 51. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 37. Northeast wind around 5 mph becoming south after midnight.
60% chance of thunderstorms Wednesday Wednesday... Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 49. South wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 36. East wind around 5 mph becoming northwest after midnight.
60% chance of thunderstorms Thursday Thursday... A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 54. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
30% chance of thunderstorms Thursday Night Thursday Night... A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40. East wind around 5 mph becoming west after midnight.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 61. West wind around 5 mph becoming south in the morning. Winds could gust as high as 15 mph.
10% chance of thunderstorms Friday Night Friday Night... A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
10% chance of thunderstorms Saturday Night Saturday Night... A slight chance of showers and thunderstorms. Mostly clear, with a low around 45.
10% chance of thunderstorms Sunday Sunday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 61.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 41.
10% chance of thunderstorms Monday Monday... A slight chance of showers and thunderstorms. Sunny, with a high near 65.
Current Radar Image


Sun Almanac for Sylvan Lake Resort, South Dakota
Sunrise: 05:14 AM
Sunset: 8:31 PM
Civil Sunrise:04:38 AM
Civil Sunset: 9:07 PM
Nautical Sunrise: 03:52 AM
Nautical Sunset: 9:53 PM
Astro Sunrise: 02:55 AM
Astro Sunset: 10:50 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.