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May 12th, 2026 :: 5:49 pm CDT   

Local Weather Report for
Fort Pierre
South Dakota, United States

 Fort Pierre Weather Forecast Summary  
 
Today
May 12th
Wednesday
May 13th
Thursday
May 14th
Friday
May 15th
Saturday
May 16th
Mostly Sunny Sunny Mostly Sunny Sunny Mostly Sunny
74°F
81°F
52°F
81°F
65°F
78°F
55°F
81°F
54°F
 
 Fort Pierre Detailed Weather Forecast  
 
Tuesday, May 12th, 2026
Evening Temperature: 65°F
Clear. Windy at times.
Wednesday, May 13th, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 60°F
Sunny.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 75°F
Clear. Windy.
Thursday, May 14th, 2026
Overnight Temperature: 67°F
Clear with cloudy periods. Wind 20 to 30 mph.
Morning Temperature: 69°F
A mix of sun and cloud. Wind 20 to 30 mph.
Afternoon Temperature: 80°F
Sunny. Windy.
Evening Temperature: 73°F
Clear.
Friday, May 15th, 2026
Overnight Temperature: 58°F
Clear. Windy at times.
Morning Temperature: 61°F
Sunny. Windy.
Afternoon Temperature: 76°F
Sunny. Windy.
Evening Temperature: 68°F
Clear. Windy at times.
Saturday, May 16th, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 63°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 80°F
A mix of sun and cloud. Slight chance of a thunderstorm. Windy.
Evening Temperature: 70°F
A mix of clear and cloudy skies with a slight chance of showers or thundershowers. Windy.
Sunday, May 17th, 2026
Overnight Temperature: 58°F
A mix of cloudy and clear skies with a slight chance of showers. Windy at times.
Morning Temperature: 54°F
Cloudy with sunny periods. Windy.
Afternoon Temperature: 66°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 62°F
A mix of cloudy and clear skies. Windy at times.
Monday, May 18th, 2026
Overnight Temperature: 51°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 49°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 62°F
Cloudy with sunny periods.
Evening Temperature: 58°F
Clear with cloudy periods.
Tuesday, May 19th, 2026
Overnight Temperature: 50°F
Mostly cloudy.
Morning Temperature: 54°F
Mostly cloudy. Windy at times.
Afternoon Temperature: 67°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 65°F
Mostly clear.
Wednesday, May 20th, 2026
Overnight Temperature: 54°F
Clear with cloudy periods.
Morning Temperature: 59°F
Sunny. Windy at times.
Afternoon Temperature: 73°F
Mostly sunny. Windy at times.
Evening Temperature: 68°F
Mostly clear. Windy at times.





 

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This WeatherCity Weather Forecast for Fort Pierre, South Dakota, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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