National Weather Service Forecast for: Aberdeen SD
Issued by: National Weather Service Aberdeen, SD
Updated: 9:36 pm CDT Jun 18, 2026
 
Tonight

Tonight: A chance of showers and thunderstorms, mainly after 3am.  Increasing clouds, with a low around 49. Calm wind becoming south southwest around 6 mph after midnight.  Chance of precipitation is 30%.
Partly Cloudy
then Chance
Showers
Juneteenth

Juneteenth: Mostly sunny, with a high near 76. Breezy, with a southwest wind 7 to 12 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Mostly Sunny
then Mostly
Sunny and
Breezy
Friday
Night
Friday Night: Mostly clear, with a low around 46. Northwest wind 12 to 17 mph becoming light north northwest  after midnight. Winds could gust as high as 26 mph.
Mostly Clear

Saturday

Saturday: Mostly cloudy through mid morning, then becoming sunny, with a high near 77. Calm wind becoming east 5 to 7 mph in the afternoon.
Sunny

Saturday
Night
Saturday Night: A chance of showers after 1am.  Mostly cloudy, with a low around 53. East northeast wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Showers
Sunday

Sunday: A chance of showers.  Mostly cloudy, with a high near 71. East northeast wind 11 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.
Chance
Showers

Sunday
Night
Sunday Night: A chance of showers, mainly before 1am.  Mostly cloudy, with a low around 49. North northeast wind 6 to 10 mph.  Chance of precipitation is 30%.
Chance
Showers

Monday

Monday: Partly sunny, with a high near 75. North northeast wind 5 to 7 mph becoming south in the afternoon.
Partly Sunny

Monday
Night
Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph.  Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
Lo 49 °F Hi 76 °F Lo 46 °F Hi 77 °F Lo 53 °F Hi 71 °F Lo 49 °F Hi 75 °F Lo 52 °F

Hazardous Weather Outlook
 

Tonight
 
A chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 49. Calm wind becoming south southwest around 6 mph after midnight. Chance of precipitation is 30%.
Juneteenth
 
Mostly sunny, with a high near 76. Breezy, with a southwest wind 7 to 12 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
 
Mostly clear, with a low around 46. Northwest wind 12 to 17 mph becoming light north northwest after midnight. Winds could gust as high as 26 mph.
Saturday
 
Mostly cloudy through mid morning, then becoming sunny, with a high near 77. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
 
A chance of showers after 1am. Mostly cloudy, with a low around 53. East northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
 
A chance of showers. Mostly cloudy, with a high near 71. East northeast wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Sunday Night
 
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 49. North northeast wind 6 to 10 mph. Chance of precipitation is 30%.
Monday
 
Partly sunny, with a high near 75. North northeast wind 5 to 7 mph becoming south in the afternoon.
Monday Night
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Tuesday
 
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Tuesday Night
 
Mostly clear, with a low around 49.
Wednesday
 
Mostly sunny, with a high near 77.
Wednesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50. Chance of precipitation is 20%.
Thursday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Aberdeen SD.