Dallas, South Dakota Weather
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Weather Forecast for Dallas, South Dakota : Gregory County
Issued: 2:00 am CDT Jul 17, 2025 Latitude: 43.2361121 Longitude: -99.517053 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Cloudy on Overnight Mostly Sunny on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday Partly Sunny on Sunday Mostly Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday
Low: 49°F High: 74°F High: 85°F High: 78°F High: 84°F High: 93°F High: 93°F High: 88°F
Low: 60°F Low: 63°F Low: 63°F Low: 65°F Low: 67°F Low: 66°F  
Cloudy Mostly Sunny Thunderstorms Thunderstorms Partly Sunny Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
WINNER WILEY FIELD - (KICR)
52°
Clear
as of 2:53 AM CDST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CHAMBERLAIN - (K9V9)
Clear
as of 3:15 AM CDST
Wind Data
Calm
Current Conditions at
O'NEILL - (KONL)
55°
Clear
as of 2:55 AM CDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
5 MPH
020° North
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 49. East northeast wind around 5 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 74. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 60. South southeast wind around 15 mph, with gusts as high as 30 mph.
20% chance of thunderstorms Friday Friday... A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 85. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
40% chance of thunderstorms Friday Night Friday Night... A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63. Southeast wind around 10 mph becoming north northeast after midnight.
20% chance of thunderstorms Saturday Saturday... A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
30% chance of thunderstorms Saturday Night Saturday Night... A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 84.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 65.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 93.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 67.
Sunny on Tuesday Tuesday... Sunny, with a high near 93.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 66.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 88.
Current Radar Image


Sun Almanac for Dallas, South Dakota
Sunrise: 06:14 AM
Sunset: 9:14 PM
Civil Sunrise:05:40 AM
Civil Sunset: 9:48 PM
Nautical Sunrise: 04:57 AM
Nautical Sunset: 10:32 PM
Astro Sunrise: 04:05 AM
Astro Sunset: 11:23 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.