Sioux Falls, SD Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sioux Falls, SD in one place.
A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 82. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Sioux Falls, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 6:46 PM CDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Sioux Falls, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 6:46 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Sioux Falls
Tuesday looks like the warmest upcoming period in Sioux Falls at 87 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph SSE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 6:46 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms between 4am and 5am. Partly cloudy, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 20%.
Partly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 63. West northwest wind 5 to 10 mph.
Sunny, with a high near 83.
Clear, with a low around 59.
Sunny, with a high near 85.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 61.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Chance Showers And Thunderstorms then Partly Sunny
|
82°F |
5 to 15 mph
SSE
|
|
Monday Night
Aug 24
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
S
|
|
Tuesday
Aug 25
|
Partly Sunny
|
87°F |
5 to 10 mph
SW
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
63°F |
5 to 10 mph
WNW
|
|
Wednesday
Aug 26
|
Sunny
|
83°F |
5 to 15 mph
NW
|
|
Wednesday Night
Aug 26
|
Clear
|
59°F |
0 to 15 mph
NNW
|
|
Thursday
Aug 27
|
Sunny
|
85°F |
0 to 5 mph
N
|
|
Thursday Night
Aug 27
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
61°F |
5 mph
NE
|
|
Friday
Aug 28
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
84°F |
5 to 15 mph
SE
|
|
Friday Night
Aug 28
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
65°F |
10 to 15 mph
SE
|
|
Saturday
Aug 29
|
Slight Chance Showers And Thunderstorms
|
84°F |
10 mph
SE
|
|
Saturday Night
Aug 29
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sioux Falls.
