National Weather Service Forecast for: Fort Pierre SD
Issued by: National Weather Service Aberdeen, SD
Updated: 11:36 am CST Feb 2, 2026
 
Today

Today: A slight chance of snow between 4pm and 5pm, then a slight chance of rain after 5pm. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 38. Southeast wind 6 to 10 mph. Chance of precipitation is 20%.
Slight Chance
Rain/Snow and
Areas Fog
 Tonight

Tonight: A chance of rain or freezing rain before 11pm, then a slight chance of snow between 11pm and midnight. Cloudy, with a low around 21. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Chance Wintry
Mix then
Cloudy
 Tuesday

Tuesday: Cloudy, with a high near 37. Calm wind becoming west northwest around 6 mph in the afternoon.
Cloudy

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 26. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy

 Wednesday

Wednesday: Mostly cloudy, with a high near 40. North northwest wind 6 to 10 mph becoming south in the afternoon.
Mostly Cloudy

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 28. South wind 6 to 11 mph becoming west northwest after midnight.
Mostly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 55. West northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 29. Northwest wind 8 to 10 mph.
Mostly Clear

 Friday

Friday: Mostly sunny, with a high near 43. North northwest wind around 8 mph becoming east in the afternoon.
Mostly Sunny
Hi 38 °F Lo 21 °F Hi 37 °F Lo 26 °F Hi 40 °F Lo 28 °F Hi 55 °F Lo 29 °F Hi 43 °F

Hazardous Weather Outlook
 

Today
 
 A slight chance of snow between 4pm and 5pm, then a slight chance of rain after 5pm. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 38. Southeast wind 6 to 10 mph. Chance of precipitation is 20%.
Tonight
 
 A chance of rain or freezing rain before 11pm, then a slight chance of snow between 11pm and midnight. Cloudy, with a low around 21. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Tuesday
 
 Cloudy, with a high near 37. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
 
 Mostly cloudy, with a low around 26. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
 
 Mostly cloudy, with a high near 40. North northwest wind 6 to 10 mph becoming south in the afternoon.
Wednesday Night
 
 Mostly cloudy, with a low around 28. South wind 6 to 11 mph becoming west northwest after midnight.
Thursday
 
 Mostly sunny, with a high near 55. West northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Thursday Night
 
 Mostly clear, with a low around 29. Northwest wind 8 to 10 mph.
Friday
 
 Mostly sunny, with a high near 43. North northwest wind around 8 mph becoming east in the afternoon.
Friday Night
 
 Partly cloudy, with a low around 23.
Saturday
 
 Mostly sunny, with a high near 44.
Saturday Night
 
 Partly cloudy, with a low around 24.
Sunday
 
 Mostly sunny, with a high near 51.

 

Forecast from NOAA-NWS for Fort Pierre SD.