Local Forecast

Keystone, SD Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Keystone, SD

No Active Alerts

Hour-by-Hour  Current Observation

Thursday 10:59 AM CDTThursday 10:59 AM

°F °C
Regional Observations →
62°F

Cloudy

  • 68° / 59° High / Low
  • 62° Feels Like
  • 0% Chance of Rain

Wind

5 mph

ENE

UV Index

7

High

Humidity

88%

Dew 59°F

Sun

6:55 AM · 9:00 PM

Rise · Set

Source: ELLSWORTH AFB (KRCA). Slider scrubs the next 12 hours.

5-Day Outlook

Through Monday

Local Radar →

Today

68° 59°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Today

Areas of fog and scattered rain showers before noon, then areas of fog and a chance of showers and thunderstorms between noon and 3pm, then patchy fog and a chance of showers and thunderstorms. Cloudy, with a high near 68. East wind 2 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

Night

A chance of rain showers and patchy fog before midnight, then areas of fog and a chance of rain showers between midnight and 3am, then a chance of rain showers and patchy fog. Cloudy. Low around 59, with temperatures rising to around 61 overnight. Southeast wind 3 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Friday

80° 59°

Isolated T-storm

Overnight: Chance of Thunderstorms

Detailed forecast

Friday

Patchy fog and a slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Partly sunny. High near 79, with temperatures falling to around 77 in the afternoon. Southeast wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Night

A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. North wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Saturday

73° 57°

Thunderstorms Likely

Overnight: Chance of Showers

Detailed forecast

Saturday

A chance of showers and thunderstorms before noon, then showers and thunderstorms likely. Mostly cloudy. High near 73, with temperatures falling to around 71 in the afternoon. North wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Night

A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 57. Northwest wind 1 to 6 mph. Chance of precipitation is 50%.

Sunday

75° 57°

Thunderstorms Likely

Overnight: Partly Cloudy

Detailed forecast

Sunday

Showers and thunderstorms likely after noon. Mostly sunny, with a high near 76.

Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.

Monday

80° 59°

Chance of Scattered Thunderstorms

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Monday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 59.

Keystone, SD Weather Analysis Tools