Fort Thompson, South Dakota Weather
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Weather Forecast for Fort Thompson, South Dakota : Buffalo County
Issued: 11:45 pm CDT Jun 2, 2025 Latitude: 44.068601 Longitude: -99.4378846 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Overnight Partly Sunny on Tuesday 20% chance of rain on Wednesday 40% chance of rain on Thursday 20% chance of thunderstorms on Friday 40% chance of thunderstorms on Saturday Mostly Sunny on Sunday Sunny on Monday
Low: 50°F High: 71°F High: 72°F High: 69°F High: 74°F High: 80°F High: 75°F High: 77°F
Low: 48°F Low: 50°F Low: 51°F Low: 54°F Low: 56°F Low: 51°F  
Mostly Cloudy Partly Sunny Rain Rain Thunderstorms Thunderstorms Mostly Sunny Sunny
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Current Conditions at
CHAMBERLAIN - (K9V9)
57°
Cloudy
as of 11:55 PM CDST
Rel. Humidity: 67%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
12 MPH
350° North
Cloud Level(s): Scattered at 3900ft, Solid Overcast at 10000ft
Current Conditions at
PIERRE - (KPIR)
55°
Mostly Cloudy
as of 11:53 PM CDST
Rel. Humidity: 62%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
6 MPH
350° North
Cloud Level(s): Broken at 11000ft
Current Conditions at
WINNER WILEY FIELD - (KICR)
55°
Cloudy
as of 11:53 PM CDST
Rel. Humidity: 66%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
10 MPH
0° North
Cloud Level(s): Few at 7500ft, Broken at 9000ft, Solid Overcast at 12000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 50. North northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 71. North northwest wind 13 to 15 mph, with gusts as high as 23 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 48. North northwest wind 5 to 10 mph becoming light and variable after midnight.
20% chance of rain Wednesday Wednesday... A slight chance of showers after 1pm. Increasing clouds, with a high near 72. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
20% chance of rain Wednesday Night Wednesday Night... A slight chance of showers. Mostly cloudy, with a low around 50. Southeast wind 5 to 8 mph. Chance of precipitation is 20%.
40% chance of rain Thursday Thursday... A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 69. East southeast wind 6 to 10 mph. Chance of precipitation is 40%.
40% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. East southeast wind 3 to 8 mph. Chance of precipitation is 40%.
20% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74. Light east wind becoming south southeast 5 to 9 mph in the morning. Chance of precipitation is 20%.
20% chance of thunderstorms Friday Night Friday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. Southeast wind around 8 mph. Chance of precipitation is 20%.
40% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 75.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 51.
Sunny on Monday Monday... Sunny, with a high near 77.
Current Radar Image


Sun Almanac for Fort Thompson, South Dakota
Sunrise: 05:56 AM
Sunset: 9:16 PM
Civil Sunrise:05:21 AM
Civil Sunset: 9:51 PM
Nautical Sunrise: 04:34 AM
Nautical Sunset: 10:38 PM
Astro Sunrise: 03:37 AM
Astro Sunset: 11:35 PM
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