GRENVILLE, SD 57239 Weather Forecast & Current Conditions

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57239 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
SISSETON, SD Current Weather
3:56 AM CDT JUN 9, 2026
66°F
Feels Like:	66°F
Dewpoint:	64°F
Rel. Hum.:	93%
Visibility:
Wind:	S at 3 mph
Pressure:	29.86 inches
Last 72 hours
Local Area Snow Depth
South Dakota Current Weather
South Dakota MOS Forecast Weather

Weather Map

(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

TODAY
Partly sunny and breezy. Much warmer 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 40 mph this afternoon.

TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Showers in the evening. A chance of thunderstorms. Some thunderstorms may be severe. Breezy with lows in the mid 60s. South winds 15 to 25 mph with gusts up to 40 mph, diminishing to 10 to 15 mph with gusts up to 30 mph after midnight. Chance of rain 90 percent.

WEDNESDAY
Partly sunny. A slight chance of showers in the morning, then a slight chance of thunderstorms in the afternoon. Not as warm with highs in the upper 70s. Southwest winds 10 to 15 mph, becoming west 15 to 20 mph in the afternoon. Chance of rain 20 percent.

WEDNESDAY NIGHT
Mostly clear in the evening, then becoming mostly cloudy. Cooler. Less humid with lows in the mid 50s. West winds 15 to 20 mph with gusts up to 30 mph, becoming southwest 5 to 10 mph with gusts up to 20 mph after midnight.

THURSDAY
Partly sunny. A slight chance of showers in the morning, then a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 70s. West winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 20 percent.

THURSDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 50s.

FRIDAY AND FRIDAY NIGHT
Mostly clear. Highs in the mid 70s. Lows in the lower 50s.

SATURDAY AND SATURDAY NIGHT
Partly cloudy. Highs in the lower 70s. Lows in the upper 40s.

SUNDAY
Partly sunny. A slight chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 20 percent.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50.

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 PM MDT 6/ 8/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
9 JUN 2026

1 AM

67°

67°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 28% severe)

NNW 3

90%

64°

Low 65°

4 AM

66°

66°

Mostly Cloudy

CALM

90%

63°

High 94°

7 AM

68°

68°

Mostly Cloudy

4%

0% Thunder
( 9% severe)

SSE 5

87%

64°

Partly Cloudy

10 AM

79°

81°

Partly Cloudy

SSE 12

67%

67°

1 PM

88°

91°

Partly Cloudy

5%

0% Thunder
( 10% severe)

SSE 20

50%

67°

4 PM

91°

93°

Partly Cloudy

SSE 25

42%

65°

7 PM

91°

93°

Partly Cloudy

65%
RAIN
***

0% Thunder
( 59% severe)

SSE 23

42%

65°

10 PM

78°

80°

Mostly Cloudy

SSE 20

69%

67°

Wednesday
10 JUN 2026

1 AM

72°

72°

Mostly Cloudy

49%
RAIN
.25–.5 in

0% Thunder
( 27% severe)

S 14

84%

67°

Low 66°

4 AM

70°

70°

Mostly Cloudy

SE 10

81%

64°

High 84°

7 AM

70°

70°

Mostly Cloudy

17%
RAIN
.01–.1 in

0% Thunder
( 16% severe)

SSE 10

81%

64°

Partly Cloudy

Breezy

10 AM

77°

79°

Partly Cloudy

SW 15

62%

63°

1 PM

80°

81°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 29% severe)

WNW 20

47%

58°

4 PM

79°

79°

Partly Cloudy

WNW 23

42%

54°

7 PM

76°

78°

Clear

3%

0% Thunder
( 9% severe)

W 20

43%

52°

10 PM

65°

65°

Partly Cloudy

W 10

60%

51°


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 54°	Low 55°	Low 53°	Low 50°	Low 51°
High 74°	High 76°	High 70°	High 73°	High 70°

Overcast 53% Rain	Partly Cloudy 34% Rain	Partly Cloudy 22% Rain	Partly Cloudy 23% Rain	Mostly Cloudy 37% Rain

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