SWAN LAKE, SD 57070 Weather Forecast & Current Conditions

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57070 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
YANKTON, SD Current Weather
10:56 PM CDT JUN 8, 2026
Clear 72°F
Feels Like:	72°F
Dewpoint:	66°F
Rel. Hum.:	81%
Visibility:	10 miles
Wind:	W at 5 mph
Pressure:	29.90 inches
Last 72 hours
Local Area Snow Depth
South Dakota Current Weather
South Dakota MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

57070 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	SWAN LAKE, SD 57070 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy this evening, then becoming partly cloudy. Lows in the upper 60s. West winds 5 to 10 mph, becoming east after midnight.

TUESDAY
Mostly sunny and breezy, hot with highs in the mid 90s. South winds 15 to 25 mph with gusts up to 35 mph. Heat index values up to 101 in the afternoon.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Breezy with lows in the lower 70s. South winds 15 to 25 mph. Gusts up to 40 mph in the evening. Chance of rain 50 percent. Heat index values up to 102 early in the evening.

WEDNESDAY
Sunny, breezy with highs in the upper 80s. Southwest winds 15 to 20 mph, becoming west 20 to 25 mph in the afternoon.

WEDNESDAY NIGHT
Mostly clear in the evening, then mostly cloudy with a chance of showers after midnight. Breezy, cooler with lows in the lower 60s. Northwest winds 20 to 25 mph, becoming north 5 to 10 mph after midnight. Chance of rain 30 percent.

THURSDAY
Mostly sunny. A slight chance of showers in the morning. Breezy with highs around 80. Chance of rain 20 percent.

THURSDAY NIGHT
Mostly clear and windy. Lows in the upper 50s.

FRIDAY
Sunny, breezy with highs in the upper 80s.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

SATURDAY
Sunny. Highs in the lower 80s.

SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.

SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 70s.

SUNDAY NIGHT
Mostly cloudy. Lows in the mid 50s.

57070 WEATHER SATELLITE LOOPS

Visible Weather Satellite
SWAN LAKE, SD 57070

Infrared Weather Satellite
SWAN LAKE, SD 57070

57070 WEATHER RADAR LOOP

NEXRAD Weather Radar
SWAN LAKE, SD 57070

MOS COMPUTER WEATHER FORECAST

YANKTON, SD 3 hourly weather forecast

weather forecast created 5:00 AM PDT 6/ 8/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
8 JUN 2026

1 PM

86°

87°

Mostly Cloudy

9%

0% Thunder
( 16% severe)

WSW 7

48%

64°

High 89°

4 PM

88°

89°

Mostly Cloudy

W 8

45%

64°

Mostly Cloudy

7 PM

88°

88°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 25% severe)

WNW 7

42%

62°

10 PM

79°

81°

Mostly Cloudy

WNW 5

60%

64°

Tuesday
9 JUN 2026

1 AM

74°

74°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 25% severe)

WNW 3

69%

63°

Low 68°

4 AM

71°

71°

Partly Cloudy

SE 5

81%

65°

High 98°

7 AM

70°

70°

Mostly Cloudy

3%

0% Thunder
( 11% severe)

E 6

84%

65°

Partly Cloudy

10 AM

82°

85°

Partly Cloudy

SSE 12

61%

67°

1 PM

90°

93°

Clear

3%

0% Thunder
( 17% severe)

SSE 20

47%

67°

4 PM

94°

99°

Partly Cloudy

SSE 22

44%

69°

7 PM

96°

99°

Partly Cloudy

50%
RAIN
***

0% Thunder
( 49% severe)

SSE 22

36%

65°

10 PM

86°

88°

Mostly Cloudy

SSE 17

51%

66°

Wednesday
10 JUN 2026

1 AM

81°

82°

Mostly Cloudy

46%
RAIN
.01–.1 in

0% Thunder
( 34% severe)

SSW 16

53%

62°

Low 73°

4 AM

77°

79°

Partly Cloudy

SSW 14

64%

64°

High 93°

7 AM

74°

74°

Mostly Cloudy

8%

0% Thunder
( 9% severe)

S 13

69%

63°

Decreasing Clouds

Breezy

10 AM

82°

82°

Partly Cloudy

WSW 16

47%

60°

1 PM

88°

86°

Clear

2%

0% Thunder
( 8% severe)

W 20

30%

53°

4 PM

89°

86°

Clear

W 21

24%

48°

7 PM

86°

83°

Clear

WNW 20

24%

45°


YANKTON, SD extended weather forecast
Thursday 11 JUN 2026	Friday 12 JUN 2026	Saturday 13 JUN 2026	Sunday 14 JUN 2026	Monday 15 JUN 2026
Low 57°	Low 56°	Low 57°	Low 57°	Low 55°
High 80°	High 84°	High 79°	High 67°	High 72°

Partly Cloudy 17% Rain	Partly Cloudy 16% Rain	Clear 16% Rain	Mostly Cloudy 50% Rain	Overcast 58% Rain

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