Reliance, South Dakota Weather
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Weather Forecast for Reliance, South Dakota : Lyman County
Issued: 11:45 pm CDT Jun 2, 2025 Latitude: 43.878881 Longitude: -99.6031645 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Overnight Partly Sunny on Tuesday 20% chance of rain on Wednesday 40% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 30% chance of thunderstorms on Saturday Mostly Sunny on Sunday Sunny on Monday
Low: 50°F High: 70°F High: 70°F High: 67°F High: 73°F High: 79°F High: 74°F High: 76°F
Low: 47°F Low: 50°F Low: 50°F Low: 53°F Low: 56°F Low: 51°F  
Mostly Cloudy Partly Sunny Rain Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Sunny
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Current Conditions at
CHAMBERLAIN - (K9V9)
57°
Cloudy
as of 11:55 PM CDST
Rel. Humidity: 67%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
12 MPH
350° North
Cloud Level(s): Scattered at 3900ft, Solid Overcast at 10000ft
Current Conditions at
WINNER WILEY FIELD - (KICR)
55°
Cloudy
as of 11:53 PM CDST
Rel. Humidity: 66%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
10 MPH
0° North
Cloud Level(s): Few at 7500ft, Broken at 9000ft, Solid Overcast at 12000ft
Current Conditions at
PIERRE - (KPIR)
55°
Mostly Cloudy
as of 11:53 PM CDST
Rel. Humidity: 62%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
6 MPH
350° North
Cloud Level(s): Broken at 11000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 50. Breezy, with a north northwest wind 16 to 21 mph, with gusts as high as 30 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 70. North northwest wind 16 to 18 mph, with gusts as high as 26 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 47. North northwest wind 6 to 14 mph becoming west southwest after midnight.
20% chance of rain Wednesday Wednesday... A slight chance of showers after 1pm. Increasing clouds, with a high near 70. South wind 6 to 10 mph. Chance of precipitation is 20%.
30% chance of rain Wednesday Night Wednesday Night... A chance of showers. Mostly cloudy, with a low around 50. Southeast wind 7 to 10 mph. Chance of precipitation is 30%.
40% chance of thunderstorms Thursday Thursday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 67. East southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
40% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East southeast wind 6 to 10 mph. Chance of precipitation is 40%.
20% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. South southeast wind 6 to 11 mph. Chance of precipitation is 20%.
30% chance of thunderstorms Friday Night Friday Night... A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 53. Southeast wind around 10 mph. Chance of precipitation is 30%.
30% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 74. Breezy.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 51.
Sunny on Monday Monday... Sunny, with a high near 76.
Current Radar Image


Sun Almanac for Reliance, South Dakota
Sunrise: 05:58 AM
Sunset: 9:16 PM
Civil Sunrise:05:22 AM
Civil Sunset: 9:51 PM
Nautical Sunrise: 04:36 AM
Nautical Sunset: 10:37 PM
Astro Sunrise: 03:39 AM
Astro Sunset: 11:34 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.