Dewey, South Dakota Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

No Watches or Warnings for Dewey
Change location by the zip code or city,state: or search for other weather forecast locations in South Dakota by name.
Weather Forecast for Dewey, South Dakota : Custer County
Issued: 9:09 pm MDT Jun 2, 2025 Latitude: 43.5308076 Longitude: -104.0410424 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Tonight Partly Sunny on Tuesday 60% chance of thunderstorms on Wednesday 50% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 10% chance of thunderstorms on Saturday Sunny on Sunday Sunny on Monday
Low: 46°F High: 64°F High: 60°F High: 64°F High: 71°F High: 79°F High: 72°F High: 75°F
Low: 46°F Low: 44°F Low: 46°F Low: 50°F Low: 51°F Low: 48°F  
Mostly Cloudy Partly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Sunny Sunny
-
Current Conditions at
CUSTER - (KCUT)
45°
Cloudy
as of 10:53 PM MDST
Rel. Humidity: 70%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 22 MPH
0° North
Cloud Level(s): Solid Overcast at 7500ft
Current Conditions at
RAPID CITY - (KRAP)
48°
Feels like 44°F
Mostly Cloudy
as of 10:52 PM MDST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
9 MPH
350° North
Cloud Level(s): Broken at 12000ft
Current Conditions at
ELLSWORTH AFB - (KRCA)
50°
Feels like 46°F
Mostly Cloudy
as of 10:55 PM MDST
Rel. Humidity: 81%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
9 MPH
350° North
Cloud Level(s): Broken at 11000ft
Current Conditions at
CHADRON - (KCDR)
52°
Cloudy
as of 10:53 PM MDST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
9 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 3800ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 46. Northwest wind around 10 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 64. Northwest wind around 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
30% chance of rain Tuesday Night Tuesday Night... A 30 percent chance of showers after midnight. Increasing clouds, with a low around 46. East wind around 5 mph.
60% chance of thunderstorms Wednesday Wednesday... Showers likely, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 60. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
20% chance of thunderstorms Wednesday Night Wednesday Night... A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44. East wind 5 to 10 mph, with gusts as high as 15 mph.
50% chance of thunderstorms Thursday Thursday... A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 64. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
20% chance of thunderstorms Thursday Night Thursday Night... A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. East wind 5 to 10 mph.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. East wind 5 to 10 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 50.
10% chance of thunderstorms Saturday Saturday... A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
10% chance of thunderstorms Saturday Night Saturday Night... A slight chance of showers and thunderstorms. Mostly clear, with a low around 51.
Sunny on Sunday Sunday... Sunny, with a high near 72.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 48.
Sunny on Monday Monday... Sunny, with a high near 75.
Current Radar Image


Sun Almanac for Dewey, South Dakota
Sunrise: 05:17 AM
Sunset: 8:32 PM
Civil Sunrise:04:42 AM
Civil Sunset: 9:07 PM
Nautical Sunrise: 03:56 AM
Nautical Sunset: 9:53 PM
Astro Sunrise: 03:00 AM
Astro Sunset: 10:49 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.