Arpan, South Dakota Weather
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Weather Forecast for Arpan, South Dakota : Butte County
Issued: 9:09 am MDT Jun 1, 2025 Latitude: 44.7883191 Longitude: -103.6490851 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Sunny on Today 30% chance of thunderstorms on Tonight 50% chance of thunderstorms on Monday Mostly Sunny on Tuesday 40% chance of rain on Wednesday 10% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday
High: 89°F Low: 55°F High: 66°F High: 66°F High: 65°F High: 70°F High: 77°F High: 78°F
Low: 44°F Low: 45°F Low: 45°F Low: 48°F Low: 52°F  
Sunny Thunderstorms Thunderstorms Mostly Sunny Rain Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
ELLSWORTH AFB - (KRCA)
70°
Clear
as of 8:55 AM MDST
Rel. Humidity: 46%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
7 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
BUFFALO - (K2WX)
70°
Partly Cloudy
as of 8:56 AM MDST
Rel. Humidity: 43%
Dew Point: 46°F
Pressure: 29.78 in.
Wind Data
8 MPH
170° South
Current Conditions at
RAPID CITY - (KRAP)
72°
Clear
as of 8:52 AM MDST
Rel. Humidity: 43%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
13 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
CUSTER - (KCUT)
72°
Clear
as of 8:53 AM MDST
Rel. Humidity: 35%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 18 MPH
260° West
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 89. Southeast wind 3 to 8 mph.
30% chance of thunderstorms Tonight Tonight... A 30 percent chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 55. East wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
50% chance of thunderstorms Monday Monday... A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 66. Breezy, with a north wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.
30% chance of thunderstorms Monday Night Monday Night... A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44. Breezy, with a northwest wind 19 to 24 mph decreasing to 11 to 16 mph in the evening. Winds could gust as high as 37 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 66. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 45. Northwest wind 5 to 9 mph becoming southeast in the evening.
40% chance of rain Wednesday Wednesday... A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 65. Southeast wind 5 to 11 mph, with gusts as high as 20 mph.
10% chance of rain Wednesday Night Wednesday Night... A slight chance of showers before midnight. Partly cloudy, with a low around 45. Southeast wind 5 to 11 mph, with gusts as high as 17 mph.
10% chance of thunderstorms Thursday Thursday... A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
10% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
20% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Current Radar Image


Sun Almanac for Arpan, South Dakota
Sunrise: 05:12 AM
Sunset: 8:34 PM
Civil Sunrise:04:35 AM
Civil Sunset: 9:10 PM
Nautical Sunrise: 03:48 AM
Nautical Sunset: 9:57 PM
Astro Sunrise: 02:49 AM
Astro Sunset: 10:56 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.