KEYSTONE, SD 57751 Weather Forecast & Current Conditions
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  57751 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

RAPID CITY, SD
Current Weather
10:52 PM MDT MAY 19, 2025
Overcast
Light Rain
39°F
Feels Like: 31°F
Dewpoint: 36°F
Rel. Hum.: 89%
Visibility: 10 miles
Wind: NNW at 15 mph
Pressure: 29.82 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)
  57751 WEATHER FORECAST
10-Day model forecast maps
2024 Hurricanes

KEYSTONE, SD 57751
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly cloudy with a slight chance of rain showers and snow showers. Lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 20 percent.
TUESDAY
Becoming partly cloudy. A chance of snow showers in the morning. A chance of rain showers. Highs in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 35 mph. Chance of precipitation 40 percent.
TUESDAY NIGHT
Mostly clear with a slight chance of rain showers. A slight chance of snow showers after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph. Gusts up to 30 mph in the evening. Chance of precipitation 20 percent.
WEDNESDAY
Mostly sunny with a chance of rain showers in the morning, then partly cloudy with rain showers likely in the afternoon. Highs in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
WEDNESDAY NIGHT
Mostly clear. A slight chance of rain showers in the evening. Lows in the mid 30s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.
THURSDAY
Mostly sunny. A slight chance of rain showers in the afternoon. Highs around 60. Chance of rain 20 percent.
THURSDAY NIGHT
A slight chance of thunderstorms in the evening. Rain showers likely. Lows in the lower 40s. Chance of rain 70 percent.
FRIDAY
Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 50 percent.
FRIDAY NIGHT
Partly cloudy with a 50 percent chance of rain showers. Lows in the lower 40s.
SATURDAY
Partly cloudy. A chance of rain showers in the morning, then rain showers likely with a slight chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 60 percent.
SATURDAY NIGHT
A slight chance of thunderstorms in the evening. Showers likely. Lows in the mid 40s. Chance of rain 70 percent.
SUNDAY
Partly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 70 percent.
SUNDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a chance of rain showers. Lows in the lower 40s. Chance of rain 50 percent.

  57751 WEATHER SATELLITE LOOPS
Visible Weather Satellite
KEYSTONE, SD 57751
Infrared Weather Satellite
KEYSTONE, SD 57751
  57751 WEATHER RADAR LOOP
NEXRAD Weather Radar
KEYSTONE, SD 57751
 MOS COMPUTER WEATHER FORECAST

RAPID CITY, SD 3 hourly weather forecast
weather forecast created  5:00 PM PDT  5/19/2025
Tuesday
20 MAY 2025		 KEYSTONE, SD 57751 weather forecast Day 1, 0 hours 12 AM 38° 28° Mostly Cloudy 39%
RAIN
.01–.1 in		 0% Thunder
( 2% severe)		 NNW   21 89% 35°
Low 37° KEYSTONE, SD 57751 weather forecast Day 1, 3 hours 3 AM 38° 28° Mostly Cloudy NNW   20 85% 34°
High 56° KEYSTONE, SD 57751 weather forecast Day 1, 6 hours 6 AM 38° 28° Mostly Cloudy 32%
RAIN
.1–.25 in		 0% Thunder
( 3% severe)		 NNW   20 89% 35°

Mostly Cloudy

Chance of Rain


Windy		 KEYSTONE, SD 57751 weather forecast Day 1, 9 hours 9 AM 44° 35° Mostly Cloudy NNW   25 76% 37°
KEYSTONE, SD 57751 weather forecast Day 1, 12 hours 12 PM 48° 40° Mostly Cloudy 25%
RAIN
<.01 in		 0% Thunder
( 7% severe)		 NNW   25 71% 39°
KEYSTONE, SD 57751 weather forecast Day 1, 15 hours 3 PM 53° 47° Mostly Cloudy NNW   25 61% 40°
KEYSTONE, SD 57751 weather forecast Day 1, 18 hours 6 PM 53° 47° Partly Cloudy 9%

 0% Thunder
( 3% severe)		 N   21 61% 40°
KEYSTONE, SD 57751 weather forecast Day 1, 21 hours 9 PM 44° 38° Partly Cloudy N   12 82% 39°
Wednesday
21 MAY 2025		 KEYSTONE, SD 57751 weather forecast Day 2, 0 hours 12 AM 40° 36° Partly Cloudy 4%

 0% Thunder
( 1% severe)		 WNW   6 89% 37°
Low 36° KEYSTONE, SD 57751 weather forecast Day 2, 3 hours 3 AM 39° 36° Partly Cloudy WNW   5 89% 36°
High 61° KEYSTONE, SD 57751 weather forecast Day 2, 6 hours 6 AM 38° 34° Partly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 4% severe)		 NW   5 92% 36°

Partly Cloudy

Chance of Rain

 KEYSTONE, SD 57751 weather forecast Day 2, 9 hours 9 AM 51° 47° Partly Cloudy NNW   10 68% 41°
KEYSTONE, SD 57751 weather forecast Day 2, 12 hours 12 PM 56° 52° Partly Cloudy 40%
RAIN
.25–.5 in		 0% Thunder
( 25% severe)		 NNW   17 55% 40°
KEYSTONE, SD 57751 weather forecast Day 2, 15 hours 3 PM 58° 54° Mostly Cloudy NNW   17 49% 39°
KEYSTONE, SD 57751 weather forecast Day 2, 18 hours 6 PM 57° 54° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 8% severe)		 N   15 49% 38°
KEYSTONE, SD 57751 weather forecast Day 2, 21 hours 9 PM 46° 42° Partly Cloudy N   7 76% 39°

RAPID CITY, 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 35° Low 37° Low 44° Low 47° Low 48°
High 58° High 67° High 69° High 67° High 71°
KEYSTONE, SD 57751 weather forecast Day 3 KEYSTONE, SD 57751 weather forecast Day 4 KEYSTONE, SD 57751 weather forecast Day 5 KEYSTONE, SD 57751 weather forecast Day 6 KEYSTONE, SD 57751 weather forecast Day 7
Mostly Cloudy
48% Rain		 Partly Cloudy
17% Rain		 Overcast
43% Rain		 Overcast
72% Rain		 Overcast
50% Rain
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