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Day 1 Outlook • April 20, 2026
Day 2 Outlook • April 21, 2026
Day 3 Outlook • April 22, 2026
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dBZ 5
75

Hazardous Weather Conditions

  • No active alerts for MADISON, SOUTH DAKOTA

Current Conditions: MADISON, SOUTH DAKOTA

MADISON (KMDS)

Mostly Clear

28.4 F
Humidity:50%
Wind Speed:E 11.4 mph
Barometer:30.20 in
Dewpoint:12.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:18.5 F
Apr 20 2026, 12:55 AM CDT
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5 Day Forecast for MADISON, SOUTH DAKOTA (57042)

Monday

High 71 °F
Partly Sunny
Monday
Night
Low 41 °F
Partly Cloudy
Tuesday

High 77 °F
Mostly Sunny
Tuesday
Night
Low 50 °F
Mostly Clear
Wednesday

High 86 °F
Partly Sunny
Wednesday
Night
Low 57 °F
Chance of Rain
Thursday

High 73 °F
Chance of Showers
Thursday
Night
Low 35 °F
Slight Chance of Rain/Snow Mix
Friday

High 57 °F
Mostly Sunny

Detailed Forecast for MADISON, SOUTH DAKOTA (57042)

Monday
Partly Sunny. High near 71°F. Wind 13 to 23 mph, with gusts as high as 31 mph.
Monday Night
Partly Cloudy. Low around 41°F. Wind 6 to 10 mph, with gusts as high as 15 mph.
Tuesday
Mostly Sunny. High near 77°F. Wind 8 to 10 mph, with gusts as high as 14 mph.
Tuesday Night
Mostly Clear. Low around 50°F. Wind 12 to 15 mph, with gusts as high as 22 mph.
Wednesday
Partly Sunny. High near 86°F. Wind 21 to 28 mph, with gusts as high as 39 mph.
Wednesday Night
Chance of Rain. Low around 57°F. Wind around 30 mph, with gusts as high as 38 mph.
Thursday
Chance of Showers. High near 73°F. Wind 30 to 32 mph, with gusts as high as 39 mph.
Thursday Night
Slight Chance of Rain/Snow Mix. Low around 35°F. Wind around 26 mph, with gusts as high as 36 mph.
Friday
Mostly Sunny. High near 57°F. Wind 18 to 28 mph, with gusts as high as 35 mph.
Friday Night
Partly Cloudy. Low around 32°F. Wind around 13 mph, with gusts as high as 20 mph.
Saturday
Slight Chance of Rain Showers. High near 53°F. Wind 14 to 18 mph, with gusts as high as 25 mph.
Saturday Night
Partly Cloudy. Low around 32°F. Wind around 8 mph, with gusts as high as 13 mph.
Sunday
Slight Chance of Rain Showers. High near 57°F. Wind 13 to 15 mph, with gusts as high as 21 mph.
SD Radar
Current Radar • SD
Day 1 Outlook • April 20, 2026

Observation History for MADISON, SOUTH DAKOTA

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)
12:55 AM CDT E 11.4 10.00 Mostly Clear -- 28.4 12.2 50% 18.5 NA 30.20 1022.7
12:35 AM CDT E 11.4 10.00 Partly Cloudy -- 26.6 12.2 54% 16.3 NA 30.20 1022.7
12:15 AM CDT E 8.1 10.00 Partly Cloudy -- 26.6 14.0 59% 18.3 NA 30.20 1022.7
11:55 PM CDT E 8.1 10.00 Mostly Clear -- 28.4 12.2 50% 20.5 NA 30.21 1023.0
11:35 PM CDT E 8.1 10.00 Partly Cloudy -- 28.4 14.0 54% 20.5 NA 30.22 1023.4
11:15 PM CDT E 9.2 10.00 Clear -- 28.4 14.0 54% 19.8 NA 30.23 1023.7
10:55 PM CDT E 8.1 10.00 Clear -- 28.4 12.2 50% 20.5 NA 30.23 1023.7
10:35 PM CDT 9.2 10.00 Clear -- 30.2 12.2 47% 21.9 NA 30.23 1023.7
10:15 PM CDT 6.9 10.00 Clear -- 30.2 10.4 43% 23.4 NA 30.25 1024.1
09:55 PM CDT NE 5.8 10.00 Clear -- 33.8 10.4 37% 28.6 NA 30.25 1024.1
09:35 PM CDT NE 4.7 10.00 Clear -- 33.8 10.4 37% 29.5 NA 30.25 1024.1
09:15 PM CDT 5.8 10.00 Clear -- 35.6 8.6 32% 30.7 NA 30.25 1024.1
08:55 PM CDT NE 5.8 10.00 Clear -- 37.4 8.6 30% 32.7 NA 30.25 1024.1
08:35 PM CDT 5.8 10.00 Clear -- 39.2 10.4 30% 34.9 NA 30.23 1023.7
08:15 PM CDT 6.9 10.00 Clear -- 41.0 12.2 30% 36.3 NA 30.23 1023.7
07:55 PM CDT 8.1 10.00 Clear -- 42.8 14.0 31% 37.9 NA 30.23 1023.7
07:35 PM CDT NE 8.1 10.00 Clear -- 44.6 12.2 26% 40.1 NA 30.23 1023.7
07:15 PM CDT 9.2 10.00 Clear -- 44.6 12.2 26% 39.7 NA 30.25 1024.1
06:55 PM CDT NE 10.3 10.00 Clear -- 46.4 12.2 25% 41.5 NA 30.23 1023.7
06:35 PM CDT 8.1 10.00 Clear -- 46.4 14.0 27% 42.4 NA 30.23 1023.7
06:15 PM CDT 10.3 10.00 Clear -- 46.4 12.2 25% 41.5 NA 30.23 1023.7
05:55 PM CDT 6.9 G 16.1 10.00 Clear -- 46.4 12.2 25% 42.8 NA 30.23 1023.7
05:35 PM CDT 10.3 10.00 Clear -- 46.4 12.2 25% 41.5 NA 30.23 1023.7
05:15 PM CDT 10.3 10.00 NULL -- 46.4 14.0 27% 41.5 NA 30.23 1023.7

Regional Weather Observation

MADISON (KMDS)

Mostly Clear
28.4 F

BROOKINGS (KBKX)

Clear
30.2 F

WATERTOWN (KATY)

Clear
30.2 F

HURON (KHON)

Clear
33.8 F

PIPESTONE (KPQN)

Clear
25.9 F

CANBY/MYERS FLD (KCNB)

Clear
25.7 F
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