National Weather Service Forecast for: Flandreau SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 10:44 pm CDT Apr 10, 2025
 
Overnight

Overnight: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 29. North wind around 5 mph becoming calm.
Patchy Fog


Friday

Friday: Patchy fog between 9am and 10am. Patchy freezing fog before 9am.  Otherwise, sunny, with a high near 64. Calm wind becoming south southwest around 5 mph in the afternoon.
Patchy
Freezing Fog
and Patchy
Fog then
Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 42. South wind 10 to 15 mph, with gusts as high as 25 mph.
Partly Cloudy


Saturday

Saturday: Partly sunny, with a high near 75. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Partly Sunny
and Breezy


Saturday
Night
Saturday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Mostly cloudy, with a low around 50. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Showers

Sunday

Sunday: Partly sunny, with a high near 69. Breezy, with an east southeast wind 10 to 15 mph becoming northwest 20 to 25 mph in the morning. Winds could gust as high as 35 mph.
Partly Sunny
then Mostly
Sunny and
Breezy

Sunday
Night
Sunday Night: Partly cloudy, with a low around 37. Breezy.
Partly Cloudy
and Breezy


Monday

Monday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 53. Windy.
Partly Sunny
and Breezy
then Slight
Chance
Showers and
Windy
Monday
Night
Monday Night: Mostly clear, with a low around 30. Blustery.
Partly Cloudy
and Blustery
then Mostly
Clear

Lo 29 °F Hi 64 °F Lo 42 °F Hi 75 °F Lo 50 °F Hi 69 °F Lo 37 °F Hi 53 °F Lo 30 °F

Hazardous Weather Outlook
 

Overnight
 
Patchy fog after 5am. Otherwise, mostly clear, with a low around 29. North wind around 5 mph becoming calm.
Friday
 
Patchy fog between 9am and 10am. Patchy freezing fog before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
 
Partly cloudy, with a low around 42. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
 
Partly sunny, with a high near 75. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday Night
 
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 50. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday
 
Partly sunny, with a high near 69. Breezy, with an east southeast wind 10 to 15 mph becoming northwest 20 to 25 mph in the morning. Winds could gust as high as 35 mph.
Sunday Night
 
Partly cloudy, with a low around 37. Breezy.
Monday
 
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 53. Windy.
Monday Night
 
Mostly clear, with a low around 30. Blustery.
Tuesday
 
Sunny, with a high near 57.
Tuesday Night
 
Mostly clear, with a low around 32.
Wednesday
 
Mostly sunny, with a high near 69.
Wednesday Night
 
A 20 percent chance of showers. Partly cloudy, with a low around 41.
Thursday
 
A 20 percent chance of showers. Mostly sunny, with a high near 69. Breezy.

 

Forecast from NOAA-NWS for Flandreau SD.