ST HELENA, NE 68774 Weather Forecast & Current Conditions

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YANKTON, SD
Current Weather

11:56 PM CDT JUN 8, 2026
Clear
68°F
Feels Like: 68°F
Dewpoint: 66°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: Calm
Pressure: 29.92 inches
Last 72 hours

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ST HELENA, NE 68774
Weather Forecast

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REST OF TONIGHT
Mostly cloudy late this evening, then becoming partly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
TUESDAY
Mostly sunny and breezy with highs in the mid 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph, increasing to south 20 to 25 mph with gusts up to 35 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Breezy with lows in the lower 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent.
WEDNESDAY
Sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Southwest winds 15 to 20 mph, becoming west in the afternoon. Chance of rain 20 percent.
WEDNESDAY NIGHT
Mostly clear in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Cooler with lows in the lower 60s. North winds 10 to 15 mph with gusts up to 30 mph, becoming northeast 5 to 10 mph after midnight. Chance of rain 50 percent.
THURSDAY
Partly sunny with a slight chance of showers and thunderstorms in the morning, then sunny in the afternoon. Breezy and not as warm with highs in the lower 80s. Chance of rain 20 percent.
THURSDAY NIGHT
Mostly clear and breezy. Lows in the upper 50s.
FRIDAY
Sunny. Highs around 90.
FRIDAY NIGHT
Mostly clear. Lows in the lower 60s.
SATURDAY
Sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly clear with a chance of showers with a slight chance of thunderstorms. Lows in the mid 50s. Chance of rain 30 percent.
SUNDAY
Partly sunny with a 20 percent chance of showers. Highs in the upper 70s.
SUNDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent.

Visible Weather Satellite
ST HELENA, NE 68774
Infrared Weather Satellite
ST HELENA, NE 68774
NEXRAD Weather Radar
ST HELENA, NE 68774

YANKTON, SD 3 hourly weather forecast

weather forecast created  5:00 PM PDT  6/ 8/2026
Tuesday
9 JUN 2026
ST HELENA, NE 68774 weather forecast Day 1, 0 hours 1 AM 74° 74° Partly Cloudy 5%

0% Thunder
( 27% severe)
WNW   3 71% 64°
Low 69° ST HELENA, NE 68774 weather forecast Day 1, 3 hours 4 AM 71° 71° Mostly Cloudy ESE   3 84% 66°
High 98° ST HELENA, NE 68774 weather forecast Day 1, 6 hours 7 AM 70° 70° Mostly Cloudy 3%

0% Thunder
( 12% severe)
S   6 87% 66°

Partly Cloudy



ST HELENA, NE 68774 weather forecast Day 1, 9 hours 10 AM 84° 87° Partly Cloudy SE   12 59% 68°
ST HELENA, NE 68774 weather forecast Day 1, 12 hours 1 PM 91° 94° Partly Cloudy 5%

0% Thunder
( 9% severe)
SSE   20 45% 67°
ST HELENA, NE 68774 weather forecast Day 1, 15 hours 4 PM 94° 99° Partly Cloudy SSE   22 44% 69°
ST HELENA, NE 68774 weather forecast Day 1, 18 hours 7 PM 96° 100° Partly Cloudy 44%
RAIN
1–2 in
0% Thunder
( 47% severe)
SSE   22 38% 66°
ST HELENA, NE 68774 weather forecast Day 1, 21 hours 10 PM 86° 89° Mostly Cloudy SSE   17 55% 68°
Wednesday
10 JUN 2026
ST HELENA, NE 68774 weather forecast Day 2, 0 hours 1 AM 81° 82° Mostly Cloudy 33%
RAIN
.01–.1 in
0% Thunder
( 33% severe)
SSW   15 54% 63°
Low 74° ST HELENA, NE 68774 weather forecast Day 2, 3 hours 4 AM 77° 79° Partly Cloudy SSE   14 62% 63°
High 91° ST HELENA, NE 68774 weather forecast Day 2, 6 hours 7 AM 74° 74° Partly Cloudy 7%

0% Thunder
( 10% severe)
S   14 66% 62°

Partly Cloudy




Breezy
ST HELENA, NE 68774 weather forecast Day 2, 9 hours 10 AM 82° 82° Partly Cloudy WSW   16 44% 58°
ST HELENA, NE 68774 weather forecast Day 2, 12 hours 1 PM 87° 85° Clear 1%

0% Thunder
( 10% severe)
W   18 30% 52°
ST HELENA, NE 68774 weather forecast Day 2, 15 hours 4 PM 89° 86° Clear WNW   18 24% 47°
ST HELENA, NE 68774 weather forecast Day 2, 18 hours 7 PM 87° 84° Clear 1%

0% Thunder
( 6% severe)
WNW   16 22% 44°
ST HELENA, NE 68774 weather forecast Day 2, 21 hours 10 PM 75° 75° Partly Cloudy NNE   7 34% 45°

YANKTON, SD extended weather forecast

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Low 67° Low 57° Low 56° Low 57° Low 57°
High 86° High 80° High 84° High 79° High 67°
ST HELENA, NE 68774 weather forecast Day 3 ST HELENA, NE 68774 weather forecast Day 4 ST HELENA, NE 68774 weather forecast Day 5 ST HELENA, NE 68774 weather forecast Day 6 ST HELENA, NE 68774 weather forecast Day 7
Partly Cloudy
48% Rain
Partly Cloudy
17% Rain
Partly Cloudy
16% Rain
Clear
16% Rain
Mostly Cloudy
50% Rain
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