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Hazardous Weather Conditions

No active alerts for SINAI, SOUTH DAKOTA

Current Conditions: SINAI, SOUTH DAKOTA

Cloudy


10.4 F
Last Updated on Feb 28 2026, 09:15 PM CST
Humidity: 92%
Wind Speed: 11.4 mph
Barometer: 30.35 in
Dewpoint: 8.6 F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: -4.0 F
Current conditions at:

MADISON (KMDS)

Lat: 44.02 Lon: -97.08

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5 Day Forecast for SINAI, SOUTH DAKOTA (57061)

Saturday
Snow
High 23 °F
Saturday
Night
Chance of Snow
Low 5 °F
Sunday
Slight Chance of Rain
High 26 °F
Sunday
Night
Forecast Missing
Low 14 °F
Monday
Forecast Missing
High 41 °F
Monday
Night
Forecast Missing
Low 26 °F
Tuesday
Forecast Missing
High 44 °F
Tuesday
Night
Forecast Missing
Low 28 °F
Wednesday
Forecast Missing
High 46 °F



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Observation History for SINAI, 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)
09:15 PM CST 11.4 10.00 Cloudy -- 10.4 8.6 92% -4.0 NA 30.35 1027.8
08:55 PM CST 11.4 10.00 Cloudy -- 12.2 10.4 92% -1.8 NA 30.35 1027.8
08:35 PM CST 12.8 10.00 Cloudy -- 12.2 10.4 92% -2.6 NA 30.35 1027.8
08:15 PM CST 10.3 10.00 Cloudy -- 12.2 10.4 92% -0.9 NA 30.35 1027.8
07:55 PM CST 11.4 10.00 Cloudy -- 12.2 10.4 92% -1.8 NA 30.34 1027.4
07:35 PM CST 12.8 10.00 Cloudy -- 12.2 10.4 92% -2.6 NA 30.34 1027.4
07:15 PM CST 11.4 10.00 Cloudy -- 12.2 10.4 92% -1.8 NA 30.34 1027.4
06:55 PM CST NE 11.4 10.00 Light Snow -- 12.2 10.4 92% -1.8 NA 30.34 1027.4
06:35 PM CST NE 12.8 10.00 Light Snow -- 12.2 12.2 100% -2.6 NA 30.32 1026.8
06:15 PM CST NE 12.8 10.00 Cloudy -- 12.2 10.4 92% -2.6 NA 30.32 1026.8
05:55 PM CST 13.9 10.00 Cloudy -- 14.0 10.4 85% -0.9 NA 30.31 1026.4
05:35 PM CST 13.9 10.00 Cloudy -- 14.0 12.2 92% -0.9 NA 30.29 1025.7
05:15 PM CST 12.8 10.00 Cloudy -- 14.0 12.2 92% -0.2 NA 30.28 1025.4
04:55 PM CST NE 17.2 10.00 Cloudy -- 14.0 12.2 92% -2.6 NA 30.27 1025.1
04:35 PM CST NE 16.1 10.00 Cloudy -- 14.0 12.2 92% -2.0 NA 30.27 1025.1
04:15 PM CST 16.1 10.00 Cloudy -- 15.8 14.0 92% 0.3 NA 30.25 1024.4
03:55 PM CST 16.1 10.00 Cloudy -- 15.8 14.0 92% 0.3 NA 30.25 1024.4
03:35 PM CST NE 16.1 10.00 Cloudy -- 15.8 12.2 85% 0.3 NA 30.25 1024.4
11:55 AM CST 15.0 10.00 Cloudy -- 15.8 14.0 92% 0.9 NA 30.25 1024.4
11:35 AM CST 13.9 10.00 Cloudy -- 15.8 12.2 85% 1.4 NA 30.26 1024.7
11:15 AM CST 12.8 G 19.7 10.00 Cloudy -- 14.0 12.2 92% -0.2 NA 30.25 1024.4
10:55 AM CST NE 10.3 G 18.3 10.00 Cloudy -- 14.0 12.2 92% 1.2 NA 30.25 1024.4
10:35 AM CST NE 15.0 10.00 Light Snow -- 14.0 12.2 92% -1.5 NA 30.25 1024.4
10:15 AM CST 13.9 10.00 Cloudy -- 14.0 12.2 92% -0.9 NA 30.25 1024.4

Regional Weather Observation

MADISON (KMDS)

Cloudy
10.4 F

WATERTOWN (KATY)

Cloudy
10.4 F

BROOKINGS (KBKX)

Light Snow
10.4 F

CANBY/MYERS FLD (KCNB)

Cloudy
13.8 F

MADISON (KDXX)

Cloudy
12.2 F

HURON (KHON)

Cloudy
14.0 F

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