National Weather Service Forecast for: Fort Pierre SD
Issued by: National Weather Service Aberdeen, SD
Updated: 6:06 am CDT Jun 22, 2026
 
Today

Today: A slight chance of showers between 9am and 2pm. Mostly cloudy, with a high near 73. Light east northeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Slight Chance
Showers

 Tonight

Tonight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 54. Southeast wind 5 to 13 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy
then Showers
Likely
 Tuesday

Tuesday: A chance of showers, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 79. West southwest wind 5 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Chance
Showers

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Mostly Clear

 Wednesday

Wednesday: Mostly sunny, with a high near 76. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 50. North northwest wind 5 to 9 mph becoming calm in the evening.
Partly Cloudy

 Thursday

Thursday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Light east wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Southeast wind 9 to 11 mph. Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
 Friday

Friday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 76. Breezy, with a southeast wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Chance
Showers and
Breezy
Hi 73 °F Lo 54 °F Hi 79 °F Lo 52 °F Hi 76 °F Lo 50 °F Hi 76 °F Lo 54 °F Hi 76 °F

Hazardous Weather Outlook
 

Today
 
 A slight chance of showers between 9am and 2pm. Mostly cloudy, with a high near 73. Light east northeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tonight
 
 A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 54. Southeast wind 5 to 13 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 A chance of showers, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 79. West southwest wind 5 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
 
 Mostly clear, with a low around 52. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
 
 Mostly sunny, with a high near 76. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
 
 Partly cloudy, with a low around 50. North northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
 
 A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Light east wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 20%.
Thursday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Southeast wind 9 to 11 mph. Chance of precipitation is 60%.
Friday
 
 A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 76. Breezy, with a southeast wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy. Chance of precipitation is 30%.
Saturday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.
Sunday
 
 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.