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Saint Helena, South Dakota
7 Day & Night Forecast & Conditions



Current Conditions Maps Radar 2 Radar 1 Satellite Alerts Climate Index
Current Saint Helena, South Dakota Weather: Clear
Clear
80°F
26.7°C
Heat Index: 81°F
Observed at: Yankton, SD Elevation: 1,306 ft | 398 m
Last Updated: June 2, 1:56 AM Timezone: GMT -5
 
Sky Conditions: Clear Temperature: 80°F | 26.7°C
Pressure: 29.8 in | 1009 mb Dewpoint: 61°F | 16.1°C
Humidity: 52% Wind: SSW 15 mph | SSW 24 kph
Feels Like: 81°F | 27.2°C Visibility: 10.0 mi | 16.1 km
Today's QPF: 0.00 in | 0.00 mm Lat/Long: 42.81 | -97.25
Sunrise: 5:52 AM Sunset: 9:02 PM

7 Day Graphical Forecast
Today
Today's Weather Forecast For Saint Helena, South Dakota is Isolated Storms
Isolated Storms
96 |62 °F
36 |17 °C
15% Chance
Precipitation
Wednesday
Wednesday's Weather Forecast For Saint Helena, South Dakota is Mostly Sunny
Mostly Sunny
85 |64 °F
29 |18 °C
0% Chance
Precipitation
Thursday
Thursday's Weather Forecast For Saint Helena, South Dakota is Isolated Storms
Isolated Storms
88 |64 °F
31 |18 °C
40% Chance
Precipitation
Friday
Friday's Weather Forecast For Saint Helena, South Dakota is Isolated Storms
Isolated Storms
83 |64 °F
28 |18 °C
20% Chance
Precipitation
Saturday
Saturday's Weather Forecast For Saint Helena, South Dakota is Isolated Storms
Isolated Storms
84 |70 °F
29 |21 °C
15% Chance
Precipitation
Sunday
Sunday's Weather Forecast For Saint Helena, South Dakota is Mostly Sunny
Mostly Sunny
90 |70 °F
32 |21 °C
0% Chance
Precipitation
Monday
Monday's Weather Forecast For Saint Helena, South Dakota is Isolated Storms
Isolated Storms
85 |69 °F
29 |21 °C
20% Chance
Precipitation

7 Hour Graphical Forecast
3 AM
3AMweather forecast forSaint Helena, South Dakota is Mostly Clear
Mostly Clear
73 °F
0% Chance
Precipitation
4 AM
4AMweather forecast forSaint Helena, South Dakota is Mostly Clear
Mostly Clear
72 °F
0% Chance
Precipitation
5 AM
5AMweather forecast forSaint Helena, South Dakota is Mostly Clear
Mostly Clear
71 °F
0% Chance
Precipitation
6 AM
6AMweather forecast forSaint Helena, South Dakota is Mostly Sunny
Mostly Sunny
70 °F
0% Chance
Precipitation
7 AM
7AMweather forecast forSaint Helena, South Dakota is Mostly Sunny
Mostly Sunny
71 °F
0% Chance
Precipitation
8 AM
8AMweather forecast forSaint Helena, South Dakota is Mostly Sunny
Mostly Sunny
74 °F
0% Chance
Precipitation
9 AM
9AMweather forecast forSaint Helena, South Dakota is Mostly Sunny
Mostly Sunny
78 °F
0% Chance
Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall, & Ice Accumulation Forecasts
7 Day & Night Weather Forecast for Saint Helena, SD - ( Fahrenheit & Celsius)
Today
Isolated Storms Partly Cloudy with Isolated Storms with a high near 96°F [36°C]. South wind to around 9 mph [14 kph], with wind gusts to near 21 mph [33 kph]. The dewpoint will be near 59,°F [18°C] with a humidity of 66% and a barometric pressure around and a barometric pressure around 29.77 in [1008 mb]. The UVI forecast is 10. Chance of precipitation is 15% with a qpf of 0.00 in [0.00 mm].
Tonight
Scattered Storms Partly Cloudy with Scattered Storms with a low around 62°F [17°C]. northwest wind to around 11 mph [18 kph], with wind gusts to near 18 mph [30 kph]. The dewpoint will be near 65,°F [18°C] with a humidity of 46% and a barometric pressure around and a barometric pressure around 29.87 in [1011 mb]. Chance of precipitation is 40% with a qpf of 0.01 in [0.24 mm].
Wednesday
Mostly Sunny Mostly Sunny with a high near 85°F [29°C]. North wind to around 8 mph [13 kph], with wind gusts to near 13 mph [21 kph]. The dewpoint will be near 56,°F [14°C] with a humidity of 73% and a barometric pressure around and a barometric pressure around 29.84 in [1010 mb]. The UVI forecast is 9. Chance of precipitation is 0% with a qpf of 0.00 in [0.00 mm].
Wednesday Night
Scattered Storms Partly Cloudy with Scattered Storms with a low around 64°F [18°C]. South southeast wind to around 6 mph [9 kph], with wind gusts to near 16 mph [26 kph]. The dewpoint will be near 55,°F [15°C] with a humidity of 39% and a barometric pressure around and a barometric pressure around 29.75 in [1008 mb]. Chance of precipitation is 40% with a qpf of 0.02 in [0.42 mm].
Thursday
Isolated Storms Partly Cloudy with Isolated Storms with a high near 88°F [31°C]. South wind to around 7 mph [11 kph], with wind gusts to near 16 mph [26 kph]. The dewpoint will be near 59,°F [17°C] with a humidity of 79% and a barometric pressure around and a barometric pressure around 29.71 in [1006 mb]. The UVI forecast is 9. Chance of precipitation is 40% with a qpf of 0.01 in [0.3 mm].
Thursday Night
Scattered Storms Partly Cloudy with Scattered Storms with a low around 64°F [18°C]. West wind to around 8 mph [13 kph], with wind gusts to near 15 mph [24 kph]. The dewpoint will be near 62,°F [17°C] with a humidity of 48% and a barometric pressure around and a barometric pressure around 29.72 in [1007 mb]. Chance of precipitation is 40% with a qpf of 0.06 in [1.58 mm].
Friday
Isolated Storms Partly Cloudy with Isolated Storms with a high near 83°F [28°C]. Northeast wind to around 8 mph [13 kph], with wind gusts to near 18 mph [30 kph]. The dewpoint will be near 60,°F [16°C] with a humidity of 84% and a barometric pressure around and a barometric pressure around 29.91 in [1013 mb]. The UVI forecast is 9. Chance of precipitation is 20% with a qpf of 0.09 in [2.23 mm].
Friday Night
Scattered Storms Partly Cloudy with Scattered Storms with a low around 64°F [18°C]. East wind to around 14 mph [23 kph], with wind gusts to near 17 mph [28 kph]. The dewpoint will be near 60,°F [16°C] with a humidity of 50% and a barometric pressure around and a barometric pressure around 30.01 in [1016 mb]. Chance of precipitation is 30% with a qpf of 0.00 in [0.00 mm].
Saturday
Isolated Storms Mostly Cloudy with Isolated Storms with a high near 84°F [29°C]. East southeast wind to around 11 mph [18 kph], with wind gusts to near 25 mph [41 kph]. The dewpoint will be near 58,°F [17°C] with a humidity of 78% and a barometric pressure around and a barometric pressure around 29.97 in [1015 mb]. The UVI forecast is 0. Chance of precipitation is 15% with a qpf of 0.00 in [0.00 mm].
Saturday Night
Scattered Storms Partly Cloudy with Scattered Storms with a low around 70°F [21°C]. Southeast wind to around 21 mph [33 kph], with wind gusts to near 24 mph [39 kph]. The dewpoint will be near 62,°F [17°C] with a humidity of 52% and a barometric pressure around and a barometric pressure around 29.79 in [1009 mb]. Chance of precipitation is 40% with a qpf of 0.69 in [17.41 mm].
Sunday
Mostly Sunny Mostly Sunny with a high near 90°F [32°C]. South wind to around 15 mph [24 kph], with wind gusts to near 23 mph [37 kph]. The dewpoint will be near 63,°F [19°C] with a humidity of 76% and a barometric pressure around and a barometric pressure around 29.66 in [1004 mb]. The UVI forecast is null. Chance of precipitation is 0% with a qpf of 0.00 in [0.00 mm].
Sunday Night
Isolated Storms Partly Cloudy with Isolated Storms with a low around 70°F [21°C]. South southeast wind to around 14 mph [23 kph], with wind gusts to near 23 mph [37 kph]. The dewpoint will be near 65,°F [18°C] with a humidity of 49% and a barometric pressure around and a barometric pressure around 29.57 in [1001 mb]. Chance of precipitation is 15% with a qpf of 0.00 in [0.08 mm].
Monday
Isolated Storms Partly Cloudy with Isolated Storms with a high near 85°F [29°C]. South southeast wind to around 11 mph [18 kph], with wind gusts to near 27 mph [44 kph]. The dewpoint will be near 62,°F [18°C] with a humidity of 73% and a barometric pressure around and a barometric pressure around 29.64 in [1004 mb]. The UVI forecast is null. Chance of precipitation is 20% with a qpf of 0.05 in [1.22 mm].
Monday Night
Isolated Storms Partly Cloudy with Isolated Storms with a low around 69°F [21°C]. South southeast wind to around 15 mph [24 kph], with wind gusts to near 23 mph [37 kph]. The dewpoint will be near 64,°F [22°C] with a humidity of 51% and a barometric pressure around and a barometric pressure around 29.71 in [1006 mb]. Chance of precipitation is 20% with a qpf of 1.07 in [27.08 mm].



QPF - Max Wind Speed - Max Humidity - Snowfall - Ice Accumulation
  7 Day and Night - QPF Forecast for Saint Helena, SD
Today: 0.00 mm | 0.00 in
Tonight: 0.24 mm | 0.01 in
Wednesday: 0.00 mm | 0.00 in
Wednesday Night: 0.42 mm | 0.02 in
Thursday: 0.3 mm | 0.01 in
Thursday Night: 1.58 mm | 0.06 in
Friday: 2.23 mm | 0.09 in
Friday Night: 0.00 mm | 0.00 in
Saturday: 0.00 mm | 0.00 in
Saturday Night: 17.41 mm | 0.69 in
Sunday: 0.00 mm | 0.00 in
Sunday Night: 0.08 mm | 0.00 in
Monday: 1.22 mm | 0.05 in
Monday Night: 27.08 mm | 1.07 in

  7 Day and Night - Maximum Wind Speed Forecast for Saint Helena, SD
Today: S @ 33 kph | 21 mph
Tonight: NW @ 30 kph | 18 mph
Wednesday: N @ 21 kph | 13 mph
Wednesday Night: SSE @ 21 kph | 13 mph
Thursday: S @ 26 kph | 16 mph
Thursday Night: W @ 24 kph | 15 mph
Friday: NE @ 30 kph | 18 mph
Friday Night: E @ 28 kph | 17 mph
Saturday: ESE @ 41 kph | 25 mph
Saturday Night: SE @ 39 kph | 24 mph
Sunday: S @ 37 kph | 23 mph
Sunday Night: SSE @ 37 kph | 23 mph
Monday: SSE @ 44 kph | 27 mph
Monday Night: SSE @ 37 kph | 23 mph

  7 Day and Night - Maximum Humidity Forecast for Saint Helena, SD
Today: 66 %
Tonight: 78 %
Wednesday: 73 %
Wednesday Night: 78 %
Thursday: 79 %
Thursday Night: 83 %
Friday: 84 %
Friday Night: 77 %
Saturday: 78 %
Saturday Night: 75 %
Sunday: 76 %
Sunday Night: 72 %
Monday: 73 %
Monday Night: 96 %

  7 Day and Night - Snowfall Totals Forecast for Saint Helena, SD
Today: 0.00 cm | 0.00 in
Tonight: 0.00 cm | 0.00 in
Wednesday: 0.00 cm | 0.00 in
Wednesday Night: 0.00 cm | 0.00 in
Thursday: 0.00 cm | 0.00 in
Thursday Night: 0.00 cm | 0.00 in
Friday: 0.00 cm | 0.00 in
Friday Night: 0.00 cm | 0.00 in
Saturday: 0.00 cm | 0.00 in
Saturday Night: 0.00 cm | 0.00 in
Sunday: 0.00 cm | 0.00 in
Sunday Night: 0.00 cm | 0.00 in
Monday: 0.00 cm | 0.00 in
Monday Night: 0.00 cm | 0.00 in

  7 Day and Night - Ice Accumulation Forecast for Saint Helena, SD
Today: 0.00 mm | 0.00 in
Tonight: 0.00 mm | 0.00 in
Wednesday: 0.00 mm | 0.00 in
Wednesday Night: 0.00 mm | 0.00 in
Thursday: 0.00 mm | 0.00 in
Thursday Night: 0.00 mm | 0.00 in
Friday: 0.00 mm | 0.00 in
Friday Night: 0.00 mm | 0.00 in
Saturday: 0.00 mm | 0.00 in
Saturday Night: 0.00 mm | 0.00 in
Sunday: 0.00 mm | 0.00 in
Sunday Night: 0.00 mm | 0.00 in
Monday: 0.00 mm | 0.00 in
Monday Night: 0.00 mm | 0.00 in
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