Castleton, South Dakota Weather
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Weather Forecast for Castleton, South Dakota : Pennington County
Issued: 9:09 pm MDT Jun 2, 2025 Latitude: 44.065262 Longitude: -103.6560279 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Tonight 20% chance of on Tuesday 60% chance of thunderstorms on Wednesday 50% 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: 40°F High: 58°F High: 54°F High: 60°F High: 65°F High: 73°F High: 65°F High: 69°F
Low: 39°F Low: 37°F Low: 41°F Low: 46°F Low: 46°F Low: 43°F  
Mostly Cloudy Partly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
CUSTER - (KCUT)
43°
Feels like 36°F
Partly Cloudy
as of 8:53 PM MDST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 18 MPH
0° North
Cloud Level(s): Scattered at 11000ft
Current Conditions at
ELLSWORTH AFB - (KRCA)
50°
Feels like 44°F
Mostly Cloudy
as of 8:55 PM MDST
Rel. Humidity: 76%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
14 MPH
320° Northwest
Cloud Level(s): Scattered at 10000ft, Broken at 12000ft
Current Conditions at
RAPID CITY - (KRAP)
48°
Feels like 44°F
Partly Cloudy
as of 8:52 PM MDST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
9 MPH
330° Northwest
Cloud Level(s): Scattered at 10000ft
Current Conditions at
CHADRON - (KCDR)
52°
Cloudy
as of 8:53 PM MDST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 29 MPH
010° North
Cloud Level(s): Solid Overcast at 3700ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a steady temperature around 40. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
20% chance of Tuesday Tuesday... A 20 percent chance of showers after noon. Partly sunny, with a high near 58. Calm wind becoming north around 5 mph. 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 39. Calm wind.
60% chance of thunderstorms Wednesday Wednesday... A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 54. Calm wind becoming southeast around 5 mph. Winds could gust as high as 15 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 37. Calm wind.
50% chance of thunderstorms Thursday Thursday... A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 60. Calm wind becoming east around 5 mph. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
30% chance of thunderstorms Thursday Night Thursday Night... A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41. Southeast wind around 5 mph becoming calm.
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 65. Calm wind becoming southeast around 5 mph. 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 46.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
10% chance of thunderstorms Saturday Night Saturday Night... A slight chance of showers and thunderstorms. Mostly clear, with a low around 46.
10% chance of thunderstorms Sunday Sunday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 43.
10% chance of thunderstorms Monday Monday... A slight chance of showers and thunderstorms. Sunny, with a high near 69.
Current Radar Image


Sun Almanac for Castleton, South Dakota
Sunrise: 05:14 AM
Sunset: 8:32 PM
Civil Sunrise:04:38 AM
Civil Sunset: 9:07 PM
Nautical Sunrise: 03:52 AM
Nautical Sunset: 9:54 PM
Astro Sunrise: 02:55 AM
Astro Sunset: 10:51 PM
South Dakota's Current Temperatures
South Dakota's Current Temperature Map

South Dakota's Satellite ImageSouth Dakota Satellite Image

South Dakota's Current Wind DirectionSouth Dakota's Current Wind Direction

National Summary
of upper and lower values of current conditions amongst 6918 locations
in the contiguous United States
High
Temp		 93° Redding, California
and 1 other location
Low
Temp		 36° Salida Mountain, Colorado
and 1 other location
Wind
Speed		 35mph Vance AFB, Oklahoma
and 1 other location
Wind
Gust		 53mph Kearney, Nebraska
Wind
Chill		 26° Pagosa Springs, Colorado
Heat
Index		 97° Laredo AFB, Texas
High
Pressure		 30.37Hg Salida Mountain, Colorado
Low
Pressure		 29.64Hg Grand Marais, The Bay Of, Minnesota
and 1 other location
# Locations Reporting Snow 2
# Locations Reporting Rain 71
# Locations Reporting Thunderstorms / Lightning 7
# Locations Reporting Fog 1
Average Temperature in the Contiguous USA 67°
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