National Weather Service Forecast for: Madison SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 6:27 am CDT Jun 22, 2026
 
Today

Today: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 74. North northeast wind around 5 mph becoming south in the afternoon.
Patchy Fog
then Partly
Sunny
Tonight

Tonight: A 30 percent chance of showers after 5am.  Mostly cloudy, with a low around 56. South southeast wind around 5 mph.
Partly Cloudy
then Chance
Showers
Tuesday

Tuesday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
Tuesday
Night
Tuesday Night: A 30 percent chance of showers before 7pm.  Mostly clear, with a low around 54. West southwest wind 5 to 10 mph.
Chance
Showers then
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 74. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 51. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Partly Cloudy

Thursday

Thursday: Sunny, with a high near 75.
Sunny

Thursday
Night
Thursday Night: A 30 percent chance of showers after 1am.  Partly cloudy, with a low around 54.
Partly Cloudy
then Chance
Showers
Friday

Friday: A 50 percent chance of showers.  Mostly cloudy, with a high near 74.
Chance
Showers
Hi 74 °F Lo 56 °F Hi 75 °F Lo 54 °F Hi 74 °F Lo 51 °F Hi 75 °F Lo 54 °F Hi 74 °F

Hazardous Weather Outlook
 

Today
 
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 74. North northeast wind around 5 mph becoming south in the afternoon.
Tonight
 
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 56. South southeast wind around 5 mph.
Tuesday
 
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
A 30 percent chance of showers before 7pm. Mostly clear, with a low around 54. West southwest wind 5 to 10 mph.
Wednesday
 
Sunny, with a high near 74. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
 
Partly cloudy, with a low around 51. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
 
Sunny, with a high near 75.
Thursday Night
 
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 54.
Friday
 
A 50 percent chance of showers. Mostly cloudy, with a high near 74.
Friday Night
 
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59.
Saturday
 
A 30 percent chance of showers. Mostly cloudy, with a high near 81. Breezy.
Saturday Night
 
A 50 percent chance of showers. Partly cloudy, with a low around 66. Breezy.
Sunday
 
A 30 percent chance of showers. Partly sunny, with a high near 85. Breezy.

 

Forecast from NOAA-NWS for Madison SD.