National Weather Service Forecast for: Sioux Falls SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 4:30 am CDT Jun 23, 2025
 
Overnight

Overnight: A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 70. Northwest wind around 10 mph.
Chance
T-storms

 Monday

Monday: A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am. Cloudy through mid morning, then gradual clearing, with a high near 80. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Chance
T-storms then
Mostly Sunny
 Monday
Night
Monday Night: A 10 percent chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 60. North wind 5 to 10 mph.
Partly Cloudy
then Slight
Chance
T-storms
 Tuesday

Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 75. East wind around 10 mph.
Chance
T-storms

 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 65. East wind 5 to 10 mph. Chance of precipitation is 80%.
Chance
T-storms then
Heavy Rain
 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 83. South southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Showers

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Showers

 Thursday

Thursday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 83.
Chance
Showers

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 63.
Partly Cloudy
Lo 70 °F Hi 80 °F Lo 60 °F Hi 75 °F Lo 65 °F Hi 83 °F Lo 66 °F Hi 83 °F Lo 63 °F

Hazardous Weather Outlook
 

Overnight
 
 A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 70. Northwest wind around 10 mph.
Monday
 
 A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am. Cloudy through mid morning, then gradual clearing, with a high near 80. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
 
 A 10 percent chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 60. North wind 5 to 10 mph.
Tuesday
 
 A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 75. East wind around 10 mph.
Tuesday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 65. East wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday
 
 Showers and possibly a thunderstorm. High near 83. South southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Thursday
 
 A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 83.
Thursday Night
 
 Partly cloudy, with a low around 63.
Friday
 
 Mostly sunny, with a high near 89.
Friday Night
 
 Partly cloudy, with a low around 68.
Saturday
 
 Mostly sunny, with a high near 92.
Saturday Night
 
 A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
 
 A 30 percent chance of showers. Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Sioux Falls SD.