Corson, SD Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Corson, SD.

Current Conditions — Corson, SD

SIOUX FALLS (KFSD)

Clear

77.0 F
Humidity:22%
Wind Speed: G 36.8 mph
Barometer:29.46 in
Dewpoint:35.6 F
Visibility:10.00 mi
Precip:--
Heat Index:75.4 F
Wind Chill:NA
Apr 23 2026, 05:00 PM CDT
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5-Day Forecast — Corson, SD

Thursday

High 82 °F
Partly Sunny
Thursday
Night
Low 39 °F
Mostly Cloudy
Friday

High 64 °F
Partly Sunny
Friday
Night
Low 41 °F
Chance of Rain
Saturday

High 59 °F
Chance of Rain Showers
Saturday
Night
Low 41 °F
Mostly Cloudy
Sunday

High 62 °F
Rain Showers Likely
Sunday
Night
Low 44 °F
T-storms
Monday

High 57 °F
Rain Showers Likely

Detailed Forecast — Corson, SD

Thursday
Partly Sunny. High near 82°F. Wind 16 to 25 mph, with gusts as high as 39 mph.
Thursday Night
Mostly Cloudy. Low around 39°F. Wind 8 to 22 mph, with gusts as high as 38 mph.
Friday
Partly Sunny. High near 64°F. Wind 7 to 10 mph, with gusts as high as 15 mph.
Friday Night
Chance of Rain. Low around 41°F. Wind around 6 mph, with gusts as high as 10 mph.
Saturday
Chance of Rain Showers. High near 59°F. Wind 8 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Mostly Cloudy. Low around 41°F. Wind around 6 mph, with gusts as high as 9 mph.
Sunday
Rain Showers Likely. High near 62°F. Wind around 17 mph, with gusts as high as 25 mph.
Sunday Night
Thunderstorms. Low around 44°F. Wind around 15 mph, with gusts as high as 23 mph.
Monday
Rain Showers Likely. High near 57°F. Wind 22 to 25 mph, with gusts as high as 35 mph.
Monday Night
Mostly Cloudy. Low around 35°F. Wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly Sunny. High near 59°F. Wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Partly Cloudy. Low around 37°F. Wind around 2 mph, with gusts as high as 5 mph.
Wednesday
Slight Chance of Showers. High near 62°F. Wind 8 to 10 mph, with gusts as high as 15 mph.
SD Radar
Current Radar • SD
Day 1 Outlook • April 23, 2026

Observation History — Corson, SD

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
05:00 PM CDT G 36.8 10.00 Clear -- 77.0 35.6 22% NA 75.4 29.46 997.6
04:50 PM CDT G 39.1 10.00 Mostly Clear -- 78.8 35.6 21% NA 77.4 29.45 997.3
04:45 PM CDT G 34.5 10.00 Mostly Clear -- 77.0 32.0 19% NA 75.4 29.45 997.3
04:35 PM CDT G 25.3 10.00 Mostly Clear -- 78.8 24.8 14% NA 77.0 29.44 997.0
04:25 PM CDT G 26.5 10.00 Mostly Clear -- 78.8 26.6 15% NA 77.0 29.43 996.6
04:20 PM CDT W 17.3 G 25.3 10.00 Mostly Clear -- 78.8 24.8 14% NA 77.0 29.43 996.6
04:15 PM CDT W 16.1 G 27.6 10.00 Mostly Clear -- 78.8 26.6 15% NA 77.0 29.43 996.6
04:10 PM CDT G 26.5 10.00 Mostly Clear -- 80.6 % NA NA 29.44 997.0
04:00 PM CDT G 27.6 10.00 Mostly Clear -- 78.8 % NA NA 29.43 996.6
03:50 PM CDT 10.00 Mostly Clear -- 78.8 26.6 15% NA 77.0 29.44 997.0
03:45 PM CDT 10.00 Mostly Clear -- 78.8 26.6 15% NA 77.0 29.44 997.0
03:35 PM CDT 10.00 Mostly Clear -- 78.8 % NA NA 29.44 997.0
03:30 PM CDT 10.00 Mostly Clear -- 80.6 % NA NA 29.44 997.0
03:20 PM CDT W 17.3 10.00 Mostly Clear -- 80.6 26.6 14% NA 79.0 29.44 997.0
03:10 PM CDT W 15.0 G 21.9 10.00 Mostly Clear -- 80.6 % NA NA 29.44 997.0
03:05 PM CDT W 16.1 G 25.3 10.00 Mostly Clear -- 80.6 28.4 15% NA 79.0 29.43 996.6
03:00 PM CDT 17.3 G 24.2 10.00 Mostly Clear -- 80.6 % NA NA 29.44 997.0
02:45 PM CDT 12.7 G 18.4 10.00 Mostly Clear -- 80.6 % NA NA 29.44 997.0
02:35 PM CDT SW 15.0 G 21.9 10.00 Mostly Clear -- 78.8 % NA NA 29.44 997.0
02:20 PM CDT 10.4 G 17.3 10.00 Mostly Clear -- 78.8 % NA NA 29.45 997.3
02:15 PM CDT 13.8 10.00 Mostly Clear -- 78.8 % NA NA 29.44 997.0
02:10 PM CDT 12.7 G 19.6 10.00 Mostly Clear -- 78.8 % NA NA 29.45 997.3
02:05 PM CDT 11.5 G 18.4 10.00 Mostly Clear -- 78.8 % NA NA 29.45 997.3
02:00 PM CDT 11.5 G 21.9 10.00 Mostly Clear -- 80.6 % NA NA 29.45 997.3

Regional Weather Observation

SIOUX FALLS (KFSD)

Clear
77.0 F

PIPESTONE (KPQN)

Mostly Clear
80.6 F

LUVERNE (KLYV)

Clear and Windy
80.6 F

MADISON (KMDS)

Clear
NULL F

BROOKINGS (KBKX)

Clear
NULL F

SLAYTON (KDVP)

Clear
79.7 F
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