National Weather Service Forecast for: Fort Pierre SD
Issued by: National Weather Service Aberdeen, SD
Updated: 8:36 am CDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 88. West southwest wind around 11 mph, with gusts as high as 21 mph.
Sunny

Tonight

Tonight: A slight chance of showers and thunderstorms after 4am.  Increasing clouds, with a low around 62. Southwest wind 5 to 7 mph becoming light and variable.  Chance of precipitation is 20%.
Mostly Clear
then Slight
Chance
T-storms
Wednesday

Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 88. North wind around 6 mph becoming east northeast in the morning.
Gradual
Clearing

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 62. North northeast wind 5 to 7 mph becoming light and variable  after midnight.
Mostly Clear

Thursday

Thursday: A chance of showers and thunderstorms after 1pm.  Partly sunny and hot, with a high near 92. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.
Mostly Sunny
then Chance
T-storms
Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 62. Southeast wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 40%.
Chance
T-storms then
Chance
Showers
Friday

Friday: A slight chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 91. Light east wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 20%.
Partly Sunny
then Slight
Chance
T-storms
Friday
Night
Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 64. East wind 6 to 13 mph.  Chance of precipitation is 60%.
Showers
Likely

Independence
Day
Independence Day: A chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 87. North northeast wind 7 to 9 mph.  Chance of precipitation is 30%.
Partly Sunny
then Chance
T-storms
Hi 88 °F Lo 62 °F Hi 88 °F Lo 62 °F Hi 92 °F Lo 62 °F Hi 91 °F Lo 64 °F Hi 87 °F

Hazardous Weather Outlook
 

Today
 
Sunny, with a high near 88. West southwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
 
A slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 62. Southwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 20%.
Wednesday
 
Cloudy through mid morning, then gradual clearing, with a high near 88. North wind around 6 mph becoming east northeast in the morning.
Wednesday Night
 
Mostly clear, with a low around 62. North northeast wind 5 to 7 mph becoming light and variable after midnight.
Thursday
 
A chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 92. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
 
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. Southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Friday
 
A slight chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91. Light east wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Friday Night
 
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. East wind 6 to 13 mph. Chance of precipitation is 60%.
Independence Day
 
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. North northeast wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday Night
 
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 40%.
Sunday
 
Mostly sunny and hot, with a high near 90.
Sunday Night
 
Mostly clear, with a low around 64.
Monday
 
Mostly sunny and hot, with a high near 92.

 

Forecast from NOAA-NWS for Fort Pierre SD.