MYSTIC, SD 57745 Weather Forecast & Current Conditions

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CUSTER, SD
Current Weather

11:53 PM MDT JUN 8, 2026
Clear
55°F
Feels Like: 54°F
Dewpoint: 48°F
Rel. Hum.: 77%
Visibility: 10 miles
Wind: NW at 5 mph
Pressure: 30.00 inches
Last 72 hours

Local Area Snow Depth

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MYSTIC, SD 57745
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
OVERNIGHT
Partly cloudy. Near steady temperature in the upper 50s. South winds 5 to 10 mph with gusts up to 30 mph.
TUESDAY
Partly cloudy in the morning, then mostly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows around 50. West winds 10 to 15 mph. Gusts up to 35 mph, decreasing to 20 mph after midnight. Chance of rain 20 percent.
WEDNESDAY
Mostly sunny. A slight chance of showers in the morning. Highs in the upper 60s. West winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 20 percent.
WEDNESDAY NIGHT
Partly cloudy. A slight chance of rain showers in the evening. Lows in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 20 percent.
THURSDAY
Partly cloudy. A slight chance of rain showers in the morning. Highs in the lower 60s. Chance of rain 20 percent.
THURSDAY NIGHT
Clear. Lows in the lower 40s.
FRIDAY
Sunny. Highs in the lower 70s.
FRIDAY NIGHT
Mostly clear. Lows in the upper 40s.
SATURDAY
Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40 percent.
SATURDAY NIGHT
Partly cloudy. A chance of rain showers and thunderstorms in the evening, then rain showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 40s. Chance of rain 60 percent.
SUNDAY
Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 40 percent.
SUNDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of rain showers. Lows in the lower 40s. Chance of rain 20 percent.

Visible Weather Satellite
MYSTIC, SD 57745
Infrared Weather Satellite
MYSTIC, SD 57745
NEXRAD Weather Radar
MYSTIC, SD 57745

CUSTER, SD 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026
MYSTIC, SD 57745 weather forecast Day 1, 0 hours 12 AM 58° 57° Mostly Cloudy 1%

0% Thunder
( 6% severe)
ESE   6 67% 47°
Low 57° MYSTIC, SD 57745 weather forecast Day 1, 3 hours 3 AM 58° 57° Partly Cloudy SSW   6 80% 52°
High 82° MYSTIC, SD 57745 weather forecast Day 1, 6 hours 6 AM 58° 57° Partly Cloudy 0%

0% Thunder
( 2% severe)
SSW   7 87% 54°

Partly Cloudy



MYSTIC, SD 57745 weather forecast Day 1, 9 hours 9 AM 70° 70° Partly Cloudy SSW   10 55% 53°
MYSTIC, SD 57745 weather forecast Day 1, 12 hours 12 PM 79° 78° Partly Cloudy 4%

0% Thunder
( 14% severe)
SW   17 20% 35°
MYSTIC, SD 57745 weather forecast Day 1, 15 hours 3 PM 79° 78° Mostly Cloudy SW   17 15% 28°
MYSTIC, SD 57745 weather forecast Day 1, 18 hours 6 PM 77° 77° Mostly Cloudy 3%

0% Thunder
( 10% severe)
WSW   18 18% 30°
MYSTIC, SD 57745 weather forecast Day 1, 21 hours 9 PM 69° 69° Partly Cloudy W   14 25% 32°
Wednesday
10 JUN 2026
MYSTIC, SD 57745 weather forecast Day 2, 0 hours 12 AM 61° 60° Mostly Cloudy 3%

0% Thunder
( 12% severe)
W   9 38% 35°
Low 49° MYSTIC, SD 57745 weather forecast Day 2, 3 hours 3 AM 55° 53° Mostly Cloudy WNW   8 53% 38°
High 68° MYSTIC, SD 57745 weather forecast Day 2, 6 hours 6 AM 51° 48° Partly Cloudy 2%

0% Thunder
( 5% severe)
WNW   9 63% 39°

Partly Cloudy



MYSTIC, SD 57745 weather forecast Day 2, 9 hours 9 AM 58° 55° Partly Cloudy W   13 42% 35°
MYSTIC, SD 57745 weather forecast Day 2, 12 hours 12 PM 62° 60° Clear 4%

0% Thunder
( 17% severe)
W   16 28% 29°
MYSTIC, SD 57745 weather forecast Day 2, 15 hours 3 PM 66° 66° Clear W   16 19% 23°
MYSTIC, SD 57745 weather forecast Day 2, 18 hours 6 PM 65° 65° Partly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 14% severe)
W   14 20% 23°
MYSTIC, SD 57745 weather forecast Day 2, 21 hours 9 PM 55° 52° Partly Cloudy NNW   9 38% 30°

CUSTER, 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 42° Low 39° Low 44° Low 42° Low 38°
High 58° High 72° High 61° High 56° High 57°
MYSTIC, SD 57745 weather forecast Day 3 MYSTIC, SD 57745 weather forecast Day 4 MYSTIC, SD 57745 weather forecast Day 5 MYSTIC, SD 57745 weather forecast Day 6 MYSTIC, SD 57745 weather forecast Day 7
Mostly Cloudy
31% Rain
Clear
10% Rain
Partly Cloudy
23% Rain
Overcast
67% Rain
Overcast
42% Rain
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