Marietta, South Dakota Weather
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Weather Forecast for Marietta, South Dakota : Fall River County
Issued: 9:09 pm MDT Jun 2, 2025 Latitude: 43.3919179 Longitude: -103.9193691 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: 47°F High: 65°F High: 61°F High: 65°F High: 73°F High: 81°F High: 74°F High: 77°F
Low: 47°F Low: 44°F Low: 47°F Low: 50°F Low: 51°F Low: 48°F  
Mostly Cloudy Partly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Sunny Sunny
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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
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
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
CONVERSE COUNTY ARPT - (KDGW)
48°
Cloudy
as of 11:06 PM MDST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: MVFR
Wind Data
8 MPH
0° North
Cloud Level(s): Broken at 2400ft, Broken at 3100ft, Solid Overcast at 6000ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 47. North wind around 10 mph becoming west after midnight.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 65. West wind around 10 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.
40% chance of rain Tuesday Night Tuesday Night... A 40 percent chance of showers after midnight. Increasing clouds, with a low around 47. East wind 5 to 10 mph.
60% chance of thunderstorms Wednesday Wednesday... Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 61. East wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Northeast 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 65. East 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. Mostly cloudy, with a low around 47. East wind 5 to 10 mph, with gusts as high as 15 mph.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Northeast wind 5 to 10 mph becoming southeast 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 81.
10% chance of thunderstorms Saturday Night Saturday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Sunny on Sunday Sunday... Sunny, with a high near 74.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 48.
Sunny on Monday Monday... Sunny, with a high near 77.
Current Radar Image


Sun Almanac for Marietta, South Dakota
Sunrise: 05:17 AM
Sunset: 8:31 PM
Civil Sunrise:04:42 AM
Civil Sunset: 9:06 PM
Nautical Sunrise: 03:56 AM
Nautical Sunset: 9:51 PM
Astro Sunrise: 03:01 AM
Astro Sunset: 10:47 PM
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