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South Dakota weather live forecast
Tomorrow's maximum temperature in South Dakota is expected to be 77°F.
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Friday
18th Jul -
Saturday
19th Jul -
Sunday
20th Jul -
Monday
21st Jul -
Tuesday
22nd Jul
5-day weather forecast updated at 04:01 on Friday 18th July 2025 GMT
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The 5-day weather forecast for South Dakota (Sioux Falls) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
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Below are temperatures expected today at popular countries, regions and places in South Dakota. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.
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South Dakota weather forecast by day
Below are the detailed weather forecasts for South Dakota for the next 5 days. The forecasts shown are for Sioux Falls and may not represent the whole of South Dakota. Browse more destinations in South Dakota to view more weather forecasts.
South Dakota weather for Friday 18th July 2025
Expect isolated thunderstorms in South Dakota with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 71% chance of some rain and little or no wind of 3 mph from the south.
- °F maximum temperature
- °F minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- mph wind from S
South Dakota weather for Saturday 19th July 2025
Expect broken clouds in South Dakota with a maximum temperature of 73°F, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the north-east.
- °F maximum temperature
- °F minimum temperature
- broken clouds
- hours of sunshine
- UV index (Very High)
- mm of rainfall expected
- no heat & humidity
- mph wind from NE
South Dakota weather for Sunday 20th July 2025
Expect isolated thunderstorms in South Dakota with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and little or no wind of 4 mph from the south-east.
- °F maximum temperature
- °F minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- mph wind from SE
South Dakota weather for Monday 21st July 2025
Expect isolated thunderstorms in South Dakota with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 37% chance of some rain and little or no wind of 3 mph from the south-east.
- °F maximum temperature
- °F minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- mph wind from SE
South Dakota weather for Tuesday 22nd July 2025
Expect isolated thunderstorms in South Dakota with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 28% chance of some rain and little or no wind of 2 mph from the south-east.
- °F maximum temperature
- °F minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Very High)
- % chance of some rain
- mm of rainfall expected
- high heat & humidity
- mph wind from SE
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