U.S. / SD / Keystone / 57751

Keystone, SD

See Radar

Current Weather Forecast for Keystone

SD 57751 | 12:35pm

Weather Conditions

71°

Feels Like 71°

Thunder in the Vicinity

58° 78°

UV Index

Good

Air Quality

ENE 9 mph

Wind

0 in

rain

Today

Sat 7/5

77°

Highest Temperature

65%

Scattered thunderstorms, some locally strong to perhaps severe. Damaging winds and large hail with some storms. High 77F. Winds ESE at 5 to 10 mph. Chance of rain 70%.

Tonight

Sat 7/5

57°

Lowest Temperature

62%

Showers likely along with a possible rumble of thunder early, then cloudy skies after midnight. A few storms may be severe. Low 57F. Winds WNW at 5 to 10 mph. Chance of rain 60%.

Tomorrow

Sun 7/6

76°

Highest Temperature

39%

Partly cloudy skies during the morning hours will give way to occasional showers in the afternoon. High 76F. Winds NE at 5 to 10 mph. Chance of rain 40%.

Local Weather Radar - Keystone, SD

Live Keystone Local Radar Forecast by FOX Weather

Precipitation For Keystone

Thunder ending in 39 minutes.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Keystone

Hourly Weather Forecast & Temperature

1PM

42%

72°

Feels Like 72°

Scattered Strong Storms

E 9 mph

Wind

1015 mb

Pressure

61%

Humidity

UV Index

7mi

Visibility

74%

Cloud Cover

2PM

16%

72°

Feels Like 72°

3PM

21%

74°

Feels Like 74°

4PM

15%

75°

Feels Like 75°

5PM

15%

76°

Feels Like 76°

6PM

15%

75°

Feels Like 75°

7PM

15%

74°

Feels Like 74°

8PM

24%

73°

Feels Like 73°

9PM

45%

70°

Feels Like 70°

10PM

45%

66°

Feels Like 66°

11PM

42%

63°

Feels Like 63°

12AM

62%

62°

Feels Like 62°

Sat 7/5

Sat

65%

58°

78°

Scattered strong to severe thunderstorms. Highs in the upper 70s and lows in the upper 50s.

77°

Feels Like

ESE 9 mph

Wind

54%

Humidity

UV Index

5:17 AM

Sunrise

8:38 PM

Sunset

Sun 7/6

Sun

39%

57°

76°

Mon 7/7

Mon

46%

58°

76°

Tue 7/8

Tue

11%

58°

87°

Wed 7/9

Wed

18%

64°

91°

Thu 7/10

Thu

38%

64°

87°

Fri 7/11

Fri

24%

57°

74°

Sat 7/12

Sat

24%

55°

83°

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from South Dakota

Where rain could disrupt Fourth of July weekend events, fireworks and parades

There are still plenty of areas where you'll need to be prepared for the possibility of rain at your outdoor events, fireworks displays and parades this holiday weekend.

Daily Weather Update from FOX Weather: Southeast tropical trouble looms as Florida braces for flooding rain

Top weather news for Wednesday, July 2, 2025: Millions of people in Florida and the Southeast are keeping a close eye on the weather forecast that could halt outdoor and beach plans across the region over the Fourth of July holiday weekend.