GRENVILLE, SD 57239 Weather Forecast & Current Conditions

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57239 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
SISSETON, SD Current Weather
10:56 PM CDT JUN 8, 2026
72°F
Feels Like:	72°F
Dewpoint:	68°F
Rel. Hum.:	87%
Visibility:
Wind:	Calm
Pressure:	29.88 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)

57239 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	GRENVILLE, SD 57239 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly cloudy. Lows in the mid 60s. East winds 5 to 10 mph.

TUESDAY
Partly sunny and breezy. Much warmer. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming south 15 to 25 mph with gusts up to 35 mph in the afternoon.

TUESDAY NIGHT
Thunderstorms. Some thunderstorms may be severe with damaging winds and large hail. Breezy with lows in the mid 60s. South winds 15 to 25 mph, diminishing to 10 to 15 mph after midnight. Chance of rain near 100 percent.

WEDNESDAY
Partly sunny. A slight chance of thunderstorms. Some thunderstorms may be severe with damaging winds and large hail in the morning. Not as warm with highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming west 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 20 percent.

WEDNESDAY NIGHT
Mostly clear in the evening, then mostly cloudy with a slight chance of showers after midnight. Cooler with lows in the mid 50s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.

THURSDAY
Partly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 70s. Chance of rain 40 percent.

THURSDAY NIGHT
Partly cloudy and breezy. Lows in the mid 50s.

FRIDAY
Mostly sunny. Highs in the upper 70s.

FRIDAY NIGHT THROUGH SATURDAY NIGHT
Partly cloudy. Lows in the lower 50s. Highs in the lower 70s.

SUNDAY AND SUNDAY NIGHT
Mostly cloudy. A 20 percent chance of showers. Highs around 70. Lows in the lower 50s.

MONDAY
Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent.

57239 WEATHER SATELLITE LOOPS

Visible Weather Satellite
GRENVILLE, SD 57239

Infrared Weather Satellite
GRENVILLE, SD 57239

57239 WEATHER RADAR LOOP

NEXRAD Weather Radar
GRENVILLE, SD 57239

MOS COMPUTER WEATHER FORECAST

SISSETON, SD 3 hourly weather forecast

weather forecast created 6:00 AM MDT 6/ 8/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
8 JUN 2026

1 PM

82°

84°

Mostly Cloudy

27%
RAIN
.5–1 in

0% Thunder
( 40% severe)

NNW 10

55%

64°

High 83°

4 PM

81°

82°

Mostly Cloudy

NNW 12

54%

63°

Mostly Cloudy

Chance of Rain

7 PM

81°

82°

Mostly Cloudy

8%

0% Thunder
( 22% severe)

N 9

51%

61°

10 PM

71°

71°

Mostly Cloudy

NNE 6

73%

62°

Tuesday
9 JUN 2026

1 AM

66°

66°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 20% severe)

NW 3

84%

61°

Low 62°

4 AM

65°

65°

Mostly Cloudy

N 1

84%

60°

High 95°

7 AM

67°

67°

Mostly Cloudy

4%

0% Thunder
( 7% severe)

SE 3

84%

62°

Partly Cloudy

10 AM

78°

80°

Partly Cloudy

SSE 12

67%

66°

1 PM

88°

90°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 12% severe)

SSE 18

48%

66°

4 PM

91°

93°

Partly Cloudy

SSE 25

42%

65°

7 PM

91°

93°

Clear

66%
RAIN
***

0% Thunder
( 53% severe)

SSE 24

41%

64°

10 PM

77°

79°

Mostly Cloudy

SSE 20

69%

66°

Wednesday
10 JUN 2026

1 AM

71°

71°

Mostly Cloudy

33%
RAIN
>2 in

0% Thunder
( 32% severe)

SSE 15

84%

66°

Low 67°

4 AM

70°

70°

Mostly Cloudy

S 12

81%

64°

High 85°

7 AM

70°

70°

Mostly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 13% severe)

S 10

81%

64°

Partly Cloudy

Chance of Rain

10 AM

77°

79°

Partly Cloudy

SW 13

62%

63°

1 PM

81°

81°

Partly Cloudy

24%
RAIN
.01–.1 in

0% Thunder
( 30% severe)

W 17

47%

59°

4 PM

79°

80°

Partly Cloudy

WNW 23

44%

55°

7 PM

75°

75°

Partly Cloudy

W 22

45%

52°


SISSETON, 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 56°	Low 53°	Low 53°	Low 51°	Low 51°
High 74°	High 74°	High 72°	High 61°	High 69°

Partly Cloudy 32% Rain	Partly Cloudy 29% Rain	Partly Cloudy 18% Rain	Overcast 51% Rain	Overcast 53% Rain

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