CUSTER, SD 57730 Weather Forecast & Current Conditions
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  57730 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

CUSTER, SD
Current Weather
8:53 PM MDT JUL 25, 2026
Clear
82°F
Feels Like: 80°F
Dewpoint: 46°F
Rel. Hum.: 28%
Visibility: 10 miles
Wind: SW at 3 mph
Pressure: 30.09 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)
  57730 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

CUSTER, SD 57730
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear. Lows in the lower 70s. Southeast winds around 5 mph, becoming north. Chance of rain 20 percent.
SUNDAY
Sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Hot with highs around 102. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
SUNDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
MONDAY
Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Southeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 40 percent.
MONDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Northeast winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of rain 40 percent.
TUESDAY
Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20 percent.
WEDNESDAY
Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent.
THURSDAY
Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent.
THURSDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 20 percent.
FRIDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
FRIDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 20 percent.

  57730 WEATHER SATELLITE LOOPS
Visible Weather Satellite
CUSTER, SD 57730
Infrared Weather Satellite
CUSTER, SD 57730
  57730 WEATHER RADAR LOOP
NEXRAD Weather Radar
CUSTER, SD 57730
 MOS COMPUTER WEATHER FORECAST

CUSTER, SD 3 hourly weather forecast
weather forecast created  7:00 AM CDT  7/25/2026
Saturday
25 JUL 2026		 CUSTER, SD 57730 weather forecast Day 1, 12 hours 12 PM 92° 88° Partly Cloudy 9%

 0% Thunder
( 41% severe)		 SW   9 21% 47°
High 94° CUSTER, SD 57730 weather forecast Day 1, 15 hours 3 PM 93° 90° Partly Cloudy SW   9 22% 48°
Partly Cloudy

Chance of Rain

 CUSTER, SD 57730 weather forecast Day 1, 18 hours 6 PM 88° 86° Partly Cloudy 22%
RAIN
<.01 in		 0% Thunder
( 26% severe)		 S   7 29% 52°
CUSTER, SD 57730 weather forecast Day 1, 21 hours 9 PM 79° 79° Mostly Cloudy W   6 41% 53°
Sunday
26 JUL 2026		 CUSTER, SD 57730 weather forecast Day 2, 0 hours 12 AM 74° 74° Partly Cloudy 3%

 0% Thunder
( 10% severe)		 SW   5 48% 53°
Low 66° CUSTER, SD 57730 weather forecast Day 2, 3 hours 3 AM 71° 71° Partly Cloudy WNW   6 49% 51°
High 94° CUSTER, SD 57730 weather forecast Day 2, 6 hours 6 AM 69° 69° Partly Cloudy 4%

 0% Thunder
( 4% severe)		 WNW   7 49% 49°

Partly Cloudy

Chance of Rain

 CUSTER, SD 57730 weather forecast Day 2, 9 hours 9 AM 86° 84° Clear NW   7 29% 50°
CUSTER, SD 57730 weather forecast Day 2, 12 hours 12 PM 92° 89° Clear 25%
RAIN
.1–.25 in		 0% Thunder
( 34% severe)		 NW   7 22% 48°
CUSTER, SD 57730 weather forecast Day 2, 15 hours 3 PM 90° 87° Mostly Cloudy NE   7 27% 52°
CUSTER, SD 57730 weather forecast Day 2, 18 hours 6 PM 87° 85° Partly Cloudy 7%

 0% Thunder
( 31% severe)		 NE   7 30% 52°
CUSTER, SD 57730 weather forecast Day 2, 21 hours 9 PM 79° 79° Mostly Cloudy NNE   6 36% 50°
Monday
27 JUL 2026		 CUSTER, SD 57730 weather forecast Day 3, 0 hours 12 AM 75° 75° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 14% severe)		 N   5 38% 48°
Low 66° CUSTER, SD 57730 weather forecast Day 3, 3 hours 3 AM 71° 71° Partly Cloudy N   3 42% 47°
High 91° CUSTER, SD 57730 weather forecast Day 3, 6 hours 6 AM 68° 68° Partly Cloudy 3%

 0% Thunder
( 6% severe)		 N   3 47% 47°

Partly Cloudy

Chance of Rain

 CUSTER, SD 57730 weather forecast Day 3, 9 hours 9 AM 81° 80° Clear ESE   6 34% 50°
CUSTER, SD 57730 weather forecast Day 3, 15 hours 12 PM 87° 85° Partly Cloudy 50%
RAIN
.01–.1 in		 0% Thunder
( 46% severe)		 SSE   9 29% 51°
CUSTER, SD 57730 weather forecast Day 3, 18 hours 3 PM 87° 85° Partly Cloudy SSE   8 31% 53°
CUSTER, SD 57730 weather forecast Day 3, 21 hours 6 PM 82° 81° Partly Cloudy     ENE   7 40% 55°

CUSTER, SD extended weather forecast
Tuesday
28 JUL 2026		 Wednesday
29 JUL 2026		 Thursday
30 JUL 2026		 Friday
31 JUL 2026		 Saturday
1 AUG 2026
Low 62° Low 60° Low 61° Low 60° Low 56°
High 89° High 87° High 86° High 82° High 82°
CUSTER, SD 57730 weather forecast Day 4 CUSTER, SD 57730 weather forecast Day 5 CUSTER, SD 57730 weather forecast Day 6 CUSTER, SD 57730 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
24% Rain		 Mostly Cloudy
33% Rain		 Partly Cloudy
36% Rain		 Partly Cloudy
37% Rain		 Partly Cloudy
27% Rain
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