SUMMIT, SD 57266 Weather Forecast & Current Conditions

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SISSETON, SD
Current Weather

7:56 AM CDT MAY 29, 2025
57°F
Feels Like: 58°F
Dewpoint: 50°F
Rel. Hum.: 77%
Visibility:
Wind: N at 3 mph
Pressure: 30.17 inches
Last 72 hours

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SUMMIT, SD 57266
Weather Forecast

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Snow Depth pages
TODAY
Partly sunny. A slight chance of showers this afternoon. Highs in the mid 70s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.
TONIGHT
Partly cloudy. Lows in the lower 50s. West winds 5 to 10 mph.
FRIDAY
Partly sunny. Highs around 80. West winds 10 to 15 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 50s. West winds 5 to 10 mph with gusts up to 20 mph.
SATURDAY
Sunny. Highs in the lower 80s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
SATURDAY NIGHT AND SUNDAY
Mostly clear. Lows in the upper 50s. Highs in the upper 80s.
SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
MONDAY
Partly sunny. A slight chance of showers in the afternoon. Hot with highs around 90. Chance of rain 20 percent.
MONDAY NIGHT
Partly cloudy with a chance of thunderstorms in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 70 percent.
TUESDAY
Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Breezy and not as warm with highs in the upper 70s. Chance of rain 80 percent.
TUESDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Cooler with lows in the lower 50s. Chance of rain 60 percent.
WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. A 30 percent chance of showers. Not as warm with highs in the upper 60s.

Visible Weather Satellite
SUMMIT, SD 57266
Infrared Weather Satellite
SUMMIT, SD 57266
NEXRAD Weather Radar
SUMMIT, SD 57266

SISSETON, SD 3 hourly weather forecast

weather forecast created  6:00 PM MDT  5/28/2025
Thursday
29 MAY 2025
SUMMIT, SD 57266 weather forecast Day 1, 0 hours 1 AM 52° 52° Mostly Cloudy 4%

0% Thunder
( 1% severe)
W   1 83% 47°
Low 49° SUMMIT, SD 57266 weather forecast Day 1, 3 hours 4 AM 50° 50° Mostly Cloudy WNW   1 86% 46°
High 75° SUMMIT, SD 57266 weather forecast Day 1, 6 hours 7 AM 51° 50° Mostly Cloudy 4%

0% Thunder
( 1% severe)
WNW   3 83% 46°

Partly Cloudy



SUMMIT, SD 57266 weather forecast Day 1, 9 hours 10 AM 65° 65° Clear NW   3 54% 48°
SUMMIT, SD 57266 weather forecast Day 1, 12 hours 1 PM 71° 71° Clear 4%

0% Thunder
( 5% severe)
NW   5 39% 45°
SUMMIT, SD 57266 weather forecast Day 1, 15 hours 4 PM 74° 74° Partly Cloudy NW   6 34% 44°
SUMMIT, SD 57266 weather forecast Day 1, 18 hours 7 PM 73° 73° Partly Cloudy 1%

0% Thunder
( 3% severe)
NW   7 37% 45°
SUMMIT, SD 57266 weather forecast Day 1, 21 hours 10 PM 61° 61° Partly Cloudy W   5 60% 47°
Friday
30 MAY 2025
SUMMIT, SD 57266 weather forecast Day 2, 0 hours 1 AM 56° 54° Clear 0%

0% Thunder
( 2% severe)
W   7 69% 46°
Low 52° SUMMIT, SD 57266 weather forecast Day 2, 3 hours 4 AM 54° 51° Clear W   9 74% 46°
High 82° SUMMIT, SD 57266 weather forecast Day 2, 6 hours 7 AM 57° 54° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   12 69% 47°

Clear



SUMMIT, SD 57266 weather forecast Day 2, 9 hours 10 AM 70° 70° Clear WNW   13 49% 50°
SUMMIT, SD 57266 weather forecast Day 2, 12 hours 1 PM 77° 78° Clear 0%

0% Thunder
( 2% severe)
WNW   13 35% 47°
SUMMIT, SD 57266 weather forecast Day 2, 15 hours 4 PM 80° 79° Clear WNW   12 30% 46°
SUMMIT, SD 57266 weather forecast Day 2, 18 hours 7 PM 79° 79° Clear 1%

0% Thunder
( 2% severe)
WNW   10 32% 47°
SUMMIT, SD 57266 weather forecast Day 2, 21 hours 10 PM 65° 65° Clear W   6 56% 49°

SISSETON, SD extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 51° Low 56° Low 59° Low 60° Low 60°
High 81° High 88° High 90° High 87° High 76°
SUMMIT, SD 57266 weather forecast Day 3 SUMMIT, SD 57266 weather forecast Day 4 SUMMIT, SD 57266 weather forecast Day 5 SUMMIT, SD 57266 weather forecast Day 6 SUMMIT, SD 57266 weather forecast Day 7
Clear
8% Rain
Clear
7% Rain
Clear
7% Rain
Clear
16% Rain
Overcast
52% Rain
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