Ajax, South Dakota Weather
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Weather Forecast for Ajax, South Dakota : Pennington County
Issued: 9:09 am MDT Jun 1, 2025 Latitude: 43.8974895 Longitude: -103.181851 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Sunny on Today 20% chance of thunderstorms on Tonight Thunderstorms on Monday Mostly Sunny on Tuesday 60% chance of thunderstorms on Wednesday 20% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday
High: 88°F Low: 58°F High: 70°F High: 65°F High: 61°F High: 70°F High: 74°F High: 77°F
Low: 47°F Low: 46°F Low: 46°F Low: 50°F Low: 54°F  
Sunny Thunderstorms Thunderstorms Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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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
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
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
Current Conditions at
PINE RIDGE - (KIEN)
72°
Clear
as of 8:52 AM MDST
Rel. Humidity: 37%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 30 MPH
200° South
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 88. Southeast wind 10 to 14 mph, with gusts as high as 21 mph.
20% chance of thunderstorms Tonight Tonight... A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 58. Southeast wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Thunderstorms on Monday Monday... A 50 percent chance of showers and thunderstorms, mainly after noon. Areas of smoke before noon. Partly sunny, with a high near 70. Breezy, with a north wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.
40% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 47. Breezy, with a north wind 21 to 26 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 40%.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 65. North wind 10 to 14 mph, with gusts as high as 24 mph.
20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of showers after midnight. Partly cloudy, with a low around 46. North wind 5 to 9 mph becoming south in the evening. Winds could gust as high as 16 mph.
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 61. Southwest wind 5 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
20% chance of rain Wednesday Night Wednesday Night... A chance of showers before midnight. Mostly cloudy, with a low around 46. Southeast wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
20% chance of thunderstorms Thursday Thursday... A 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. Mostly clear, with a low around 50.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
20% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Current Radar Image


Sun Almanac for Ajax, South Dakota
Sunrise: 05:13 AM
Sunset: 8:28 PM
Civil Sunrise:04:38 AM
Civil Sunset: 9:04 PM
Nautical Sunrise: 03:52 AM
Nautical Sunset: 9:50 PM
Astro Sunrise: 02:56 AM
Astro Sunset: 10:46 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.