National Weather Service Forecast for: Fort Pierre SD
Issued by: National Weather Service Aberdeen, SD
Updated: 4:37 pm CDT Jul 28, 2026
 
Tonight

Tonight: Patchy smoke after 2am. Partly cloudy, with a low around 68. Southeast wind 6 to 9 mph.
Partly Cloudy
then Patchy
Smoke
 Wednesday

Wednesday: Patchy smoke after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 101. South southeast wind 5 to 15 mph, with gusts as high as 24 mph.
Partly Sunny
then Patchy
Smoke
 Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 68. South southeast wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Showers
Likely
 Thursday

Thursday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 89. South southeast wind around 9 mph becoming east northeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Northeast wind 7 to 11 mph becoming north northwest after midnight. Chance of precipitation is 40%.
Chance
T-storms then
Chance
Showers
 Friday

Friday: Mostly sunny and hot, with a high near 90. Northeast wind 7 to 9 mph.
Hot

 Friday
Night
Friday Night: Mostly clear, with a low around 64. East northeast wind 5 to 9 mph becoming south after midnight.
Mostly Clear

 Saturday

Saturday: Sunny and hot, with a high near 92. South wind 5 to 13 mph, with gusts as high as 21 mph.
Hot

 Saturday
Night
Saturday Night: Clear, with a low around 67. Southeast wind around 14 mph, with gusts as high as 22 mph.
Clear
Lo 68 °F Hi 98 °F Lo 68 °F Hi 89 °F Lo 64 °F Hi 90 °F Lo 64 °F Hi 92 °F Lo 67 °F

 

Tonight
 
 Patchy smoke after 2am. Partly cloudy, with a low around 68. Southeast wind 6 to 9 mph.
Wednesday
 
 Patchy smoke after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 101. South southeast wind 5 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
 
 A slight chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 68. South southeast wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 89. South southeast wind around 9 mph becoming east northeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
 
 A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Northeast wind 7 to 11 mph becoming north northwest after midnight. Chance of precipitation is 40%.
Friday
 
 Mostly sunny and hot, with a high near 90. Northeast wind 7 to 9 mph.
Friday Night
 
 Mostly clear, with a low around 64. East northeast wind 5 to 9 mph becoming south after midnight.
Saturday
 
 Sunny and hot, with a high near 92. South wind 5 to 13 mph, with gusts as high as 21 mph.
Saturday Night
 
 Clear, with a low around 67. Southeast wind around 14 mph, with gusts as high as 22 mph.
Sunday
 
 Sunny and hot, with a high near 97. Breezy.
Sunday Night
 
 Mostly clear, with a low around 71. Breezy.
Monday
 
 Mostly sunny and hot, with a high near 95. Breezy.
Monday Night
 
 A slight chance of showers. Mostly clear, with a low around 62. Breezy. Chance of precipitation is 20%.
Tuesday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Fort Pierre SD.