79°Mostly Cloudy12% rainWeather status
Severe Thunderstorm Watch
Severe Thunderstorm Watch issued September 7 at 9:57PM CDT until September 8 at 2:00AM CDT by NWS Sioux Falls SD Expires Tue, 2:00 AM CDT.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
Live Doppler radar
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Sioux Falls, SD. Forecasts and alerts update from NOAA and the National Weather Service.
79°Mostly Cloudy12% rain
78°Chance Showers And Thunderstorms30% rain77°Chance Showers And Thunderstorms45% rain77°Showers And Thunderstorms Likely57% rain77°Showers And Thunderstorms Likely68% rain77°Showers And Thunderstorms Likely55% rain76°Chance Showers And Thunderstorms42% rain76°Chance Showers And Thunderstorms32% rainNext 24 hours
Rain Timeline
Most likely around 11 PM, 12 AM, 1 AM, 2 AM. Expected type: Thunderstorms / Rain.
12%None
30%Thunderstorms
45%Thunderstorms
57%Thunderstorms
68%Thunderstorms
55%Thunderstorms
42%Thunderstorms
32%Thunderstorms
23%Thunderstorms
22%Thunderstorms
17%Thunderstorms
13%None
11%None
18%Rain
18%Rain
17%Rain
9%None
8%None
6%None
5%None
3%None
2%None
1%None
0%None
Official NWS outlook
7-Day Forecast
Today
! NWS
79°72°
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
- Precipitation
- 68%
- Wind
- SSE 15 to 20 mph
- Sunrise
- 6:58 AM
- Sunset
- 7:54 PM
Tue
85°62°
Slight Chance Showers And Thunderstorms
- Precipitation
- 22%
- Wind
- WSW 5 to 15 mph
- Sunrise
- 6:59 AM
- Sunset
- 7:52 PM
Wed
78°56°
Sunny
- Precipitation
- 0%
- Wind
- NW 5 to 10 mph
- Sunrise
- 7:00 AM
- Sunset
- 7:50 PM
Thu
84°64°
Sunny
- Precipitation
- 5%
- Wind
- S 0 to 15 mph
- Sunrise
- 7:02 AM
- Sunset
- 7:48 PM
Fri
88°60°
Sunny
- Precipitation
- 11%
- Wind
- S 15 mph
- Sunrise
- 7:03 AM
- Sunset
- 7:46 PM
Sat
79°56°
Sunny
- Precipitation
- 36%
- Wind
- NE 5 to 10 mph
- Sunrise
- 7:04 AM
- Sunset
- 7:45 PM
Sun
76°56°
Chance Showers And Thunderstorms
- Precipitation
- 51%
- Wind
- ESE 10 to 15 mph
- Sunrise
- 7:05 AM
- Sunset
- 7:43 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather guidance for your areaPlan with the complete forecast
Safety guides Use current official weather information for Sioux Falls, SD before making weather-sensitive plans.
Current forecastStart with the hourly forecastCheck when rain, wind, and temperature changes overlap your plans.
Open→Live weatherCheck live radar before leavingUse radar with the forecast to see how precipitation is moving.
Open→Safety guideReview official safety guidancePrepare for storms, flooding, heat, cold, and other hazards.
Open→Healthy weatherInclude air quality in outdoor plansUse official EPA information when planning time outside.
Open→Weather for a healthier day
Healthy Weather
Real Feel75°F
Walking is not recommended now
Review the active Severe Thunderstorm Watch before going outside. MyUSA.us will not recommend this activity while an NWS watch, warning, or emergency is active.
WindSE20 mph
Best walk timeReview the active Severe Thunderstorm Watch before leaving
MyUSA.us will not recommend an outing window while an NWS watch, warning, or emergency is active. Follow the official alert and local instructions.
Official EPA AirNowLocal air qualitySioux Falls, SDView AQI +
More weather details
Wind gustsNot reported
Rain now12%next hour
Humidity89%current
UV indexCheckingEPA forecast
Wind impact: Breezy — cycling, umbrellas, and loose outdoor items may be affected.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.89 in
Visibility10.0 mi
Peak rain chance68%
Dew point72°F
Active alerts1
Official risk outlooks
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