National Weather Service Forecast for: Fort Pierre SD
Issued by: National Weather Service Aberdeen, SD
Updated: 1:31 pm CDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 80. West wind 11 to 13 mph, with gusts as high as 22 mph.
Mostly Sunny
Tonight

Tonight: Partly cloudy, with a low around 41. West wind 6 to 8 mph.
Partly Cloudy
Friday

Friday: Sunny, with a high near 79. West northwest wind 6 to 11 mph.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 44. West wind around 6 mph becoming south southeast in the evening.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 84. South wind 5 to 10 mph.
Sunny
Saturday
Night
Saturday Night: Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 23 mph.
Mostly Cloudy
Sunday

Sunday: Mostly sunny, with a high near 56. North northwest wind 13 to 15 mph.
Mostly Sunny
Sunday
Night
Sunday Night: Partly cloudy, with a low around 31. North wind 6 to 9 mph becoming east southeast after midnight.
Partly Cloudy
Monday

Monday: Partly sunny, with a high near 64. Southeast wind 9 to 16 mph, with gusts as high as 24 mph.
Partly Sunny
Hi 80 °F Lo 41 °F Hi 79 °F Lo 44 °F Hi 84 °F Lo 39 °F Hi 56 °F Lo 31 °F Hi 64 °F

Hazardous Weather Outlook
 

This Afternoon
 
Mostly sunny, with a high near 80. West wind 11 to 13 mph, with gusts as high as 22 mph.
Tonight
 
Partly cloudy, with a low around 41. West wind 6 to 8 mph.
Friday
 
Sunny, with a high near 79. West northwest wind 6 to 11 mph.
Friday Night
 
Mostly clear, with a low around 44. West wind around 6 mph becoming south southeast in the evening.
Saturday
 
Sunny, with a high near 84. South wind 5 to 10 mph.
Saturday Night
 
Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday
 
Mostly sunny, with a high near 56. North northwest wind 13 to 15 mph.
Sunday Night
 
Partly cloudy, with a low around 31. North wind 6 to 9 mph becoming east southeast after midnight.
Monday
 
Partly sunny, with a high near 64. Southeast wind 9 to 16 mph, with gusts as high as 24 mph.
Monday Night
 
Mostly cloudy, with a low around 35.
Tuesday
 
Partly sunny, with a high near 61.
Tuesday Night
 
Mostly cloudy, with a low around 39.
Wednesday
 
Partly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Fort Pierre SD.