



Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest
A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >
Current conditions at
Chamberlain, Chamberlain Municipal Airport (K9V9)
Lat: 43.77°NLon: 99.32°WElev: 1693ft.
Fair
71°F
22°C
Humidity | 45% |
Wind Speed | N 12 mph |
Barometer | 30.27 in |
Dewpoint | 49°F (9°C) |
Visibility | 10.00 mi |
Last update | 23 Aug 1:15 pm CDT |
Extended Forecast for
Fort Thompson SD
This Afternoon
High: 74 °F
Sunny
Tonight
Low: 51 °F
Mostly Clear
Sunday
High: 74 °F
Sunny
Sunday Night
Low: 48 °F
Mostly Clear
Monday
High: 75 °F
Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 58 °F
Partly Cloudy
Wednesday
High: 84 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 74. Northwest wind around 13 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 51. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 74. Light north northwest wind becoming north 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 48. North northeast wind 5 to 9 mph becoming east after midnight.
Monday
Sunny, with a high near 75. East wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 51. East southeast wind 7 to 9 mph.
Tuesday
Sunny, with a high near 80. Southeast wind 6 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 58. Southeast wind 10 to 13 mph.
Wednesday
Mostly sunny, with a high near 84. South wind 9 to 14 mph.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fort Thompson SD
44.05°N 99.4°W (Elev. 1447 ft)
44.05°N 99.4°W (Elev. 1447 ft)
1:14 pm CDT Aug 23, 2025
1pm CDT Aug 23, 2025-6pm CDT Aug 29, 2025